Grandmaster Repertoire 8 - Grunfeld Vol.1 - Avrukh (2011).pdf

Gradmaster Repertre 

Te Grnfeld Defence Volume One By

Boris Avruk

Qual   Chess wq ualchessco uk

Gradmaster Repertre 

Te Grnfeld Defence Volume One By

Boris Avruk

Qual   Chess wq ualchessco uk

ist ist eo 20 1 1 by Qulity Qulity Ches Chesss UK Lt Lt Copygh © 20 1 1 Bois Bois Av Avuk ukhh

Gm R T Gf Gf Dfc m O Al ighs eseve eseve No p of ths publicio public io my be epouce, epouce, soe soe   eevl eevl sysem sysem o tsmte i y m o by y mes, mes, electoic, eeostic, mgetc tpe, photocopyg, ecog o othewse, without po pemsso of the publshe publshe Ppebk ISBN 98190655256 cove ISBN 98190655263 A ses o equies shoul shoul  be ecte to Qulity Chess UK Lt, 20 Bvie Ro, Mgve, Glsgow G62 A, A, Uite Kgom em: qulitychesscouk webste: wqultychess.co.uk Dsibue  US  C by SCB Dsibutos, Ge, Clii, US w.scbistibutoscom Distbute i Rest of the o o by Qulity Qulity Chess UK t though Suise ics, Smycz Smyczkow kow 4/98, 4/98 , 20844 ubi, Po Po ypese by Jcob Ag e by Col McNb, Aew Geet Pooe by Joh Shw Cove esig by Amso Desig Pie i i  so by li li  Rmutk Rmutkkoj koj LLC

P Aer the gret success of my rs wo ran hite) i ws ws o ran master Reper Reperttoire books ( 4 r hite) log bere the e of wrtig bou my vourte Blck opeig the Grfel Defece ws iscusse rocly this me serchg r  oe o he le of he cheto ritio o whch  h worke so iligey i the seco of my  4 voumes My souo o his problem c be u i Chpter 4 of the prese book  wou lke o shre the stoy of how  becme  evotee of ths get opeg Aer  move to se i 1995 my opeig repertore ws rther shy so urig my rs few moths here  me  serious eort to improve it outely he BeeShev Club  ts mger yhu ev pove the bes possble coiios r such work My rst coch i sre ws Mrk seitli eit li whom  cotue cot ue to reg reg s somehi some higg of  Grf G rfe e guru  so eceive eceive high quity quit y suppor om Alex uzm  srog pyer who s best kow r beig he logterm coch of Boris Gel ve sce my st few lessos with Mrk  immeiely uerstoo tht the Grfe ws the opeig r me  ws ttrcte by the combve  ymic positios to which it es  elishe he pospect of ghtig r the iititive wih the blck peces t ws especiy help help tht ll the strog pyers i my ew club kew this opeig well ee i the prese work the reer reer wil  pety of o f efeeces efeeces o he gmes of o f Mrk seili sei li Aex uzm  uzm  Alo Al o Greefel icto Mikhevsk  Aex ikel A th ime the uece of the compuer ws ot so srog  by lysig together we mge to iscover  ot of ieresg es Te Grfel hs remie my rst choice gs  4 r sixee yers ( coutig) wheres gst e4  hve chge quite  ot e Gfe s oe of the mos prome opeigs t he highest level with plyers such s Shirov Sviler Leko  Kmsky usig it s their m wepo whe A Crlse opov  Grischuk so employ it equetly Le us o rge Grry Ksprov who me huge cotributios to Grfe theory om the te eighties u hs reremet e ece Ces mtches p  emrkbe picure Vmi Kmik rese eve to low Alexe Gischuk o ply the Gfel (whch is uesble gve tht oe of Grischuks secos ws ws Peter Peter Sviler) Sviler)   opee ope e l hs hs white gmes with with 1   f3  Gt Gt Kmsky plye oly the Gfe Gfe gst  4  hs mi seco mil  mil Sutovsky Sutovsky s oe of he leig Grfe Grfe expets i the wor wo of Kmskys clshes with Bois Ge i the shioble 4g5 system c be u i Chpte 23 Of course Gischuk lost his vit st gme  the  gis Ge with the Grfe bu s we shl see he i ot ply the e  recomme  hve lwys ejoye the Grfel om ether se of the bor s he ch posos oer cosieble scope  creivty  ivesigo r boh sies  hope tht er reg this book the ree wil she my ethusism Bois Avrukh Bee Be eSh Shev ev My My 20 1 1

 Key to Symbos used & Bibiogapy

6

Eay Deviations 1 d4 d4   2c4 2c4   2

Rae Tid Moves 3f3

 7 3

Fiancetto Systems 1 d4   2c4 2c4  3g3 d5 4d5 xd5 5e4 b6 3  4 5 6  7

Rae Lines 5b3 Rae Sevent Moves  7'b3 Wite ecanges on d5

37  43 50 58 67

Vaious 4t Moves 1 d4 d4  2c4 2c4  3c3 3 c3 d5 d5  Rae Options 9  4'a4  0  4'b3

85 9 4

04

Cosed Vaiation 1 d4 d4  2c4  3c3 d5 4e3 g7   Vaious Fi Moves  2 5f3

5 27

1 d4 d4    2c4 2c4  3c3 d5 4f4 3 4 5 6 7

Sideines 6J:kl 5e3 c5 - ntoduction and Sideines Sideines  7J:kl - Sideines and an d 9ge2 9f3

48 57 72 87 203

1 .d4   2.c4 g6 3. 3 .c3 d5 4.g5 18 19 20 21 22 23

Sideines 5.f4 5.!h4 5.!h4 - Sideine Sideiness 7.e3 7.e3 - Sidei Sideines nes 8.b 8.f3

226 242 255

259 266 2 75  75

 2c4 2 c4 g6 3. 3 .c3 d5 4.  g7 1 . d4  24 Rar Fih Movs

291

 2c4 g6 3 3 c3 d5 4 4   g7 g 7 5g5 5 g5 e4 1 . d4  25 6!h4 26 6cxd5

296 30 4

Russian Systm 1d4   2.c4 2. c4 g6 3 3 c3 d5 4 4  g7 5'b3 5 'b3 dc4

6.'xc4 6.'xc4 0-0 7.e4 7.e 4  c6

27 Without 8.!2 28 8!e2

317 327

Variation Index

 41 3 41

Key to sybols used ±

+

 

i

+ 





??  ? ?

#

hite is sightly better Blck i lghtly bette hite  bette Blck i beter he hs  ecsve vge Blck hs  ecisve vtge equlity wh competo wh couepy ucle wh tck wth itive  wek move  blue  goo move  excelle move  move worth coerig  move of oub vue me

Bibliography

Avrukh: ranmaster Repertoire   J lume Two, Qulity Che 2010 rn f Dnce, verym 2002 Dve: !e rn ! e Safs Safstt rnf, rnf, Ches Delchev & Agest: !e Ches S S 20 20   Dembo: Py the rnf, verym 200 Grivs: Beating the Fianchetto Dnces, Gmbt 2006 Rowso: Unerstaning the rnf, Gmbit 999

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Ely Devitions



  



 

Re Trd Move

Variation Index 1d4   2c4 2 

A) 3�c2 B) 3d5 C) 3 g5 4 4f4 c5 Cl) 5d5 C2) 5�c2

8 9 10 10 11

B noe o .ba

A) ae 9d4



      9 . .d

C noe o 7.f3





8

y evtos

1d4  2c4 g6 Te sttg ot o ou jouey to the Grfe Deece hy ot st ele? Sometimes you co cove everythg; I m sure you wl  hs book hevy eough s it is. Beses thee shoul lso be room r ohe book er o

I his chte we shll ook  A) 3c2, B) 3d5  C) 3ig5 Obviously there re my more ossbe moves, bu some of them o o hve y ot  re o worth suyg. A he es we sh coser  he lowg chters. 3.h4? Tis oulish move hs bee chmioe by Simo illms, who ecely wote  SOS rcle o the subject 3 ...c5 Blck stees he gme tows  oso where he move h2h4 s of lme vue 45 b5 4...e6?N so eseves tteio gig r  imrove verso o  Moer Beoi. 5.e4? A b too cretive. ims suggess he imoveme 5.h5?N  xh5 6cxb5 6 .e4 6, rechig  uusul k o Beko osito whch shoul be roughly equ. 5 . xe4 6h5 W5 2 g 8.W  6 8 ..5?N s so goo. 9.cxb5 b  0.hxg6 hxg6 1 1 .xh xh8 12.4 6 3.3 Ts ws ioh Kumr  Shv, New Deh 2009 hites ly hs bee eerrsg bu umtely usou  i this oso boh 3 c4N  13 .. .Wb4N gve Bck some vge. A) 3c2

Mybe ot such  b e gst the Grfe, bu he roblem is h he ges

 oo veso of the Kigs I Defece, whee he c hve touble ghtig  the vtl 4squre. ere s oe llustive exmle 3 ig7 Cerily 3 ...5 4.cx5  x5 5e4 b6 6. 3 s o such  b veso of the Ati Gfe r he. 4e4  5 c3 d6 6ie2 c6

8 7 6 5  3  1 a

b

c

d

e



g

h

7ie3 e .3 Bck hs  est choice bewee  ...g4 8 e3     .. .e5,  boh cses wiig the btle r the 4squre 7e5 8dxe5 Obvousy 85 4 coult sis he ether. 8  dxe5 9d1 d4 hie hs los he btte r the 4squre  vey soo s hersel i  cerly ieor osto. 1ixd4 .W2 e6+ 1  exd4 1 1c5  e7 1 2d4 5+ Koeu  IAm, ijk  Zee 2006.

haper  - Rare r ves B) 3.d5

he his chpe ws ms ey, I ws plyig i  p ume  my ppe mge  supse me wih his e mve. Bu e he gme  i sme wk  cme  he ccus h he ms pmisig espse  Blck s 3 ... b5? Plyig  he spii f he Bek Gmb s lgc, sce he ksque bshp c   l f civy  he lg igl e hie hs vce hs pw h si I believe hee s hg wg wh me cssc py,  exmple 3 ..c6 4c3 c5 5.cx5 6 6e4 g f3 0-0 8.e2 b 9e3 c5 10.2 e6 ih equl chces. 4.b5 a6 5.bxa6 Duig he emeie gme I ws ccee bu 5b6N weve, Bck s  ce  ke his pw  c y 5 ..c6 6Wb3 b wh ieesig ply.



5 .c6 6dxc6 If 6.c3 he Blck eveps wh emp 6 ...cx5 x5 W5 8.c3 g 92 Peev  Rev, Bulga 195 ere smply 9 x6N 1 0.f3 0-0   g3 c6 12g2 b8 13.b   5 es Bck emeus cmpes 6... xc6 7.e3 O c3 x6 8.g3 g 9g2 00 0.h3 g - ehe, ugry 1998,  w he u 10.e6N 1  0-0 5  2.f4 g4 wu gve Blck mple cmpes  he pw 7 ...ig7 8  8.c3 0-0 9.f3 ccue  Aber Bs, Gemy 2000. Blck w hue wh 9 ..x6, bu se he me ccue 9 ...W5N  0.2 x6 wul hve give him  excelle vesi f he Bek 8 .- 9ie2 a6 1a6?! Bee s 000 bu e,  exmple, 10... e4 Blck sll hs gre cmpes.

5e3 g 6c3 00 .f3 b 8.e2 xb5 9xb5











  h

9 ...x5 10.x5 x5 1 1Wx5 c6  2.xc6  xc6 13.0-0 Wc 4. Spssv  Rbl, Cmguey 194  pie u by Rbl  hes Inrmant 1, 14 ... b8 wu hve secue excee cmpes r Bck.

1 1 c3  e4! 12-  xc3 13xc3 �a6; Dzizchshvil - Ar, msem 98.

ay evaions

10

vntge Instea Blck shoul ly 5  W5 6. Wc2, trnsosing ito e C2 below

C) 3i5

8 7 6 5 4 3  a

b

c

d

e



g

h

Quie  trcky move, esecly tkig o ccou h s  rey see continuto 3 e4 Te most chlegg rey Cety Bck c connue wh 3 g, bu he he mus be rey o y he Kngs In, which is o  ou ls, eve though hie's se u er 4c3 is geery consiere que hmess 4i4 c5 Te ex is ogcy conece wih Bcks evous move  resembes Blck's ly in  le of he omowsky ( .4  f6 2g5 e4 3f4 c5 ec) Obviousy er 4 ...g 5f3 f6 6e4 we woul ge  srge vesio of he Smisch Kg's , wh hie's f4 beg n ex move

e hve reche he mi crossros  hs ne A hs oi he mos logc moves re Cl) 5d5  C2) 5c2 bu we sh tke  quick look   coule of oher moves h he hs ie f 52 he he esose 5 x2 6.Wx2 g is oo comln Aer 5 he hs  esoble gme, wih chnces r n

5f3 W5 62 x2 Tis looks more tu th retretng, s e 6 f6 5 6 8.e4 Blck's quee is somewht mslce o 5 x2 Wb6 8.c3 g 9e3 I the evet of 9.5 xc3 0bxc3 W (so threteig the c4w, by mes of  1Wh4)  1Wb3 6, Blck hs  excellet osito Ts ostion rose i Koos esc, emi 2005, n ow simest r Bck s: 9 ...c6N 10e2 00 Obvousy thee s o vtge r hite Cl) 5d5

8 7 6 5 4 3  1 a

b

c

d

e



g

h

i7 6  so no b s 6 W5 Wc2 f5 7e4 d6 nly he gme hs tsose to  Kng's Ini tye of oso, but wih hies kgh mslce o 2. 8c2   consequence of he kngh beig o 2, hie hs to ke tme o e e b2w becuse he u 8gf3 woul jus lose thi wn o 8 ...h5 lowe by 9 xb2



haer  - Rare r ove 8 00 9 e6 10i3 f  .e2 the Black ca obtai goo play with 10 h 1 1 g f6 12e3 f 10 a6 A uel move to iert bere reurig attetio to the kgie; the threat of  b4 caue hte to oe more tme.

a

 Straete - Gro Gemay 1999 Back hou ow have paye:

 f4 1 5.0-0 g 16.g3  x3 7x3 f 8.exf xf 9b3) 1400 e8 Black caot be prevete om carryig out hi ma ea he  avace whch wll gve hm exceet play. However 14 ... f4?  lo worhy of coierao 13e5 Agai I ot ee how hte ca top the ... f avace; Black ha great play. C2) 5c2

8 7 6 5  3  a

b

c

d

e



g

h

hite bet choce accorig to theory. 12i5  13ie3 Aer 13.h4

        Back get a goo vero of the Kg Ia with: 13 .e (le clear  13 . ex 14.cx

5 a5t 6  he utcato r the previou move; hte will have to pe ome ime f he wat to chae Back kght away om the cere. Aer 6 ... f6 7 6 8 e4 g7 9 e2 lowe by 10 c3 hite  ghtg r a opeg avatage. 7 he mo aurl repy. Aother game aw 7 . gf3 Black hou coue: 7..g7  Speema - hlvet Reykavk  991  Back mmeatey wet wrog wth 7 cx4? a ae 8 x4 g7 9 4b3

2

ay evato

te ws bete 85 Ts poso hs occure oce  oume prcice, vi  iee move oe,  he gme Semov - Igteko, Russ 996 I u he owig ul mproveme 8 ...6N 93 e c hry llow 9.e3 b4 10.b3 (10.c s clerly ieror 0W4 1 1 .b3 6 12.e2 x2 1 3.c2 b4 14. W Bck ems wih  helhy ex pw) 1 O ...e5  1.xe6 xe6 Blck hs  comrtbe gme, wih excelle chces o tke over he iive. 9 ...0-0 10e3 x2 1 1 x2 12 e4 13e4 5 Bck ot oy cretes upest esio i the cetre, but lso hs the mor thret of plyig 14. b4, which woul ce hite o give up hs rksqure bishop. I my opio Bck hs goo chces to tke over he iiiive 







e

  h

1 . ..e5 Bck is probbly beter lreay, eg 12.xe6 xe6 13.000 e5 14.g3  Te e o .4 is uplest  hite 7  8d5 i7 9ie5 A turl ie, ies rksqure bshop is tserre o c3, eurlizig he oyg p log the e5 igol Tis posto occure  Brsov - reille, l Tores 1995 I u the llowig improveme 9 00N 10h3 e6 Blck srkes i he cete, imig to use his le i eveopmet

cu ite my be tce to these rre thi move opios becuse they mke i poblemtic (or eve impossible) r Blck to cotiue i itiol Grfel stye oweve, by optig  exible pproch,  believe tht Blck c obi goo chces. Agst 3c2  is promisig  Bck to he to  igs i i which ites 4pw c quicky be gete. I recomme meeig 35 with the ggressive 3 ..b5? whe Bck c expect to obti compestio typicl of the Beko Gmbit lly 3g5 c be met by  ie om he rompowsky, 3  e4 llowe by 4 ...c5, which ssues Blck of goo ply.

Ely Deons



 c 



  

3

Varaton Index 1d4  24 g6 3 d5 4xd5 xd5 5e4 5 b6

A) 64 B) 63 g7 7e3 0-0 B) 8 B2) 8f4 6 9d5 5! 10d4 e5! 1 1xeS e5 12eS �h4t! 13g3 �e7 14�d4 d8! 15b4 4 B21) 164 �xb4 17 �x4 18�e3 e8!N B211) 19d B212) 19e6 B23) 19 B22) 16 B3) 8�d2 6 90-0-0  B31) 10e B32) 10h4 e4 1 1hS h5! B321) 12dS B322) 12xhS B33) 10eS b4 B331) 11h6 B332) 11h4 e6 B3321) 12b B3322) 12hS B3323) 123 B333) 11h3

14 15

15 16 19 20 20 20 2 22 23 23 24

25 29 29 30 31

31 32 34



arly aos

Id4  2c4 6 3 d5 he resose mos  he sr of he Grfe. Obousy 3 . g7 .e rsoses o he Smisch Kg's Ii whe r hose loog r  obe e 3 ...c6 is  eresg lerave 4d5 c3 wll be exmie vi he 3c3 5 .f3 moe orer. 4 xd5 5e4 6

a

b

c

d

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g

    e   h 10bN his s  turl mroveme o the gme Dumor - Srec Obreovc 200 he llowig ie s  goo llustrio of how ly my u 1 1.Ec e6 12b5 c6 13xe6 x2 1x2 xe6 15.xb6 cxb5 16xb5 f5 Blck kes over te iiive.

h

e shll look t A) 6a4  B) 6c3 oig h 6e3 g7 7.c3 s smy  trsostio io lie B A) 6a4

hs hs occurre   umber of gmes. he e is o uerme the oso of Blck's b6kigh  mke i vuerbe i he ture srugge. owever ite is to cheve hs gols  mewhile the weess of he b squre s sgc. 6 a5 7ie3 i7 sc3 00 9�cl he lterve is bsouely hrmless 9.2 c6 105 (10b5 b s lso excelle r Blck)

a

b

c

d

e



g

h

9c6N A srog imrovemet over 9 ...c6, er which 10.b3 s rety ucer 105 hs s evely he move tht Blck ws cocere bout. 10id he key ie  rsires tht hte s o worry bou hs w  ct, Blck obis goo ly s  esult of hs evelomet vtge ee s my brief lysis

ar    f

5 B) 6c3 i7 7ie3 00

113  more gressve ry s   5 b4  2.xc (2xc s mossbe  vew of 2xb5 3.xb6 xf 4.xf 6  hte oses) 12 x4 13x xb2 14.2 xa8 Bck cery hs he tive. 1 1 4 Ts move sll works 12i4 er 12.xc c8 3b5 xc 14.xc xb5 5.xb5 x4 Bck cerily hs othig to worry bou. Py my cotiue 6.x4 x4 1.e2 6 80-0 Ec8, whe Bck hs some itve

Bl ) 8cl c6 9dS eS

a

b

c

d

e



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12eS! 13deS Cery iferor s 3.xe5 xb5 4.xb5 xe5 15.xe5 g5  Bck is beter. 13  14d6 ie6 Desite beig  w ow, Blcks le i eveomet gves him gre ly or stce 15i3 Or 5xb x 6.x xb3 2 x4  the bck w s very gerous 15 e7 164 ads 17 c8 Bck regs he w with vies

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10id4 Bck ee o fer  0.b5 c6   .xc6 xc6 x8 x8 3x, as ws lye  Decsey- . orvth, olc  998 becuse he has  covicig swr  34N 14.xc6 (4.b3 b2 5.xc Exc8 64 4 so es o  iive r Blck)  4...bxc6 5.b3 c3 6 b2 hie is i roube s Bck is

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ar evians

heaeng o ol  7...xa b aso 1 7.d. 10c6 1 14 4 1 27 ©7 13Je2

19 e4 204 �d8 Te posito was eve  Gogldze  Spelma Moscow 1935; Backs damaged paw srctre o e qeeside s baaced b he veabl f ies cea paws B2) 84

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13eS! Te best repl sice ae 13 ...f6 ite ca hope r a slght edge wh  4.c6 bxc6  5.f3, haks to his sperio qeesde paw srcre.

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A ver sarp e. Back eeds to kow exactl

ow o respod, i orde to avod ladg i a feo poso  as oce appeed to ors trl.

144 t 153 4 164  6.e5 wold be a error i vew of 8c6 9dS 1 6...Wxd  17.xd c4! ad Black s aad Te mos chalegig cotatio. Blacks bette. ask s mc asir ar 9f3 g4 10.d5 a5  .d4 16 4 I7dc6 c6 1 8h3 ie6 Black as epled to 1 1 .e i tree deet was, bt ot paed wa I cosider t most 8 ara cotao: 1  .. .ac4N 1.c e6 13.e6 xe6 Ol Back ca be better. 7 1 ...xf3 1.gxf3

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  -   12e Vey ipe nd  e e e rong e e of  W4  o npen r e. 13xg7 I rid o ipove ie ply w 134 bt e til tnd wore:  3 ... xd4  4Wxd4 c 1.Wg (o 1.Wd2 exd 1exd We7 17f2 d8 nd Blc  clery bette) exd .0-0-0 Wf 17.Wg Wxg 18xg dxe4 9xe4 g7 Bc i  pwn p nd redy to e 20.f w 20.. 13 ...W4 t  ineredite ove Bc e over te ntv. 14e xg7 1Wd4 g e3? Not te bet pce  e ng b i  dicl o or ite ny good dvice  e pobbly  o t gve p te f4pwn.

6 _

IOJd4 Cery woe  0.f3 g4 rnpoing o te not o ie 9 ove bove 10e5 I  elly npird by i ove nd beieve  it i Bc ce roe to qliy log 1  g4   decen lerniv

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11e5 e   cop of oer pobe:

4  

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14f3 db8  Wb b - Cz io de Jnro 92.

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e ve been owng Y Popov  izov l 2007 nd now Blc od ve plyed: 1 . . dN It d to beieve ie cn od o r long. 9a5 e critc ove. ring wi 9 b8 gv te eonb cnc o g r n openng dvnge er 1 4 o expe: 10..c   d7 1.e cxd 13Wxd c

e ep o wn  pece by   xb? b .b4 obvoy  o ..exf4 3.Wc W4 nd Bc wn  .e c Bc  ony plyd  onc b I v coe to e conclion    i bet connon. d  nrne dcion. I xined it' onger opion: ) f3 cxd 3c llow  vey nice de: 13  c (3  8 14b d7  .xb b  xd7 Wxd7 i cnt r eqliy)  4xf8 Wxf8  exd (   xd xe  .e xf3  7gxf3 xb  8.b g7 i lo proiing r Bc) xe

18

ry ry Dton Dton

  .�2  g4 17. Wd2 Blc  xcllnt copntion b) 12  13.�xg7 xg7 14Wd4 Wf 1Wxf xf 1c xc it qlty.  2 c4  c4 3 �g4 Vry p nd trong Bc i going to rgin t pwn r wc t dpwn bco w. In t owng ncontr Bc ily civd n dvntg 4.�xc4 xc4 1Wb3 �xf3 gxf3 x 7.0-0-0 Wxd rd  How How Gibrtr 2004 2004  1 1 eS eS 12eS

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1 3  e7 14d4 1 4d4 t  lcng worty trntv r xp

4f3 �g4 b3 f Bc iz t inttiv. 4b3 Wx c occrrd n Dooin - Krn Krno ow w USS USS 1 98 98  nd now Bc Bc od ply 1. 1. f fN N  f  f3 W7 W7  7 d8 it' cntr  vlnrb wt Blc tr trt tnng nng  8 � � or 1 8 .. ..  c t t bt  18Wc2 xd 9.xd xd 20.Wxc7 �d7 21�c4 xc4 22Wxc4 �c 230-0 d8 bt Bc  clry clry n control. c ontrol.

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1 2h4t h4t A vry portnt intrdt cc tt rc it to dvnc i gpwn wnng  poton nd dprving i of t pobilty of rcptrng wi t gpwn n t vnt of n xcng on t f3qr.

1 2 W7 W7 3f3 �g4 4Wd4 �xf3 gxf3 c w w p p yd n G j w - Gz G zo o rw rw 2008 nd now t d t vry trong .d W4 or ... ...cxd4 cxd4 17.7 f8 8.d xd 9.xd x7 20.f4±) 7.Wf2 Wf4 8Wg3 W3 19.�2 c4 20.f4 Wd 21.f f Sc  g pwn  n t cntr cr  dvntg

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1 4   Unl yo r lr wit t tory t  not n y ov to nd n I t t poton r t rt ti I rctd wt  or nrlloong 4 4.. c b y opponnt dontrtd tt ti   rio rror  .d .d cxd4 1 .7 .7 8 8  7.d xd xd 8xd x7 9.b4  pont of t ply. ply.  9 . . .�f rltvly bttr  9... 9...x bt t tll   clr dvntg r 0.d d �f f3 xd .bx) 0f3 �4 2.f2 f2 c8 22d 8 3bx c 4.� d3 .d4 t d  dciiv dvntg n Sl - Avr Bld ol) 00

he  -   154 hte ony wy of gting  he dvntge   otewie Bck wold contne cont ne wih     c, egnng egnng te epwn. 1 5 ac4 Bck  n nteetng tentve   .. .. c?  .Wc e point bend hte' 1  th ove ove 1 ..Wg ..Wg i tick ow Blck to vod ong tel  Bc B ck k kngt  ntochb nto chbe e n vew of te te on d. d . 17f3 Wh 18.e xe 19.0-0 Obvoly Obvoly  9Wxc 9 Wxc7? 7? i ipoibe ipoi be bece of  9 ... .. . xf3 0.xf3 Wxf3   .Wxd8 g7 nd ite oe. 8

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Abotely hle   7.ge Wxc4 18.0-0. Mok Mok en enkko  tcni tcnik k Be Beg g de de 1988, 19 88, contn contned ed 18 .. .xd4 xd4 1 9.xd4 9. xd4 c 0.e e 1xe xe e d3 nd Blck w cley bette.

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1 9 ...3?N ...3?N In y opinon t i tonge hn  9 ..xf3 .. xf3 0.xf3 We .b h3 Nln Nlndd  A Hovth Hovth Bdpet 008 0 08  now .f . fc  N d7 3  34 4 wold gve gve hite denite pee. pee. 0.f bd7 1.We3 Anothe line  1.xe Wxe .We3 f wit eonble ply  Bck. Note tt te c7pwn  not ey hngng, nce e 1.Wxc7 dc8 .xe xc7 3.xh xe 4.b c4 Blck egin te pwn nd en wt te bette poton. 1...g4

1 7Wxc4 18e3 hte hod void he qeen wp Bck  botey ne e both 8.b Wxd4 19.xd4 c nd 18.xc4 xc4 19.b e8

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19  20e5 '4 2 I 4 4  22l 1 8�e!N �e!N In y pnn t   vey iprtn 'e7 23'd4 e5! nelty. Previy Bc  ered er: A prcc pprc tg e re 1 8 ...c ...c 19.c (19e e 20e  cpc cpcte tedd 23 ..  g  . g ??   rng l cy Altg 20.. 20.. b4  b4 2 1 .00  c4 eeny eeny ed ed   drw drw in Kdnv - Peng 24'xe5 Xn Setle 200  I wldn wl dn be rpried ven wre r e  24xe g7 if te cd prve  ply.) 19.. 19..�g4 �g4 'xe5 25xe5 ih3 20.d2 b4 2.0-0 i pin  vey 24'xe5 dnger pitin r Blc  wn by Bc clery  te beter cnce n view 2.cxd 22.exd xd 23xd xd f e vlnerbe n f te wite ng 24e4± 24 e4± Med Medyr yrv v - Sv Sv B (pd) 2009 B21 3} 1 9cl d7 d7

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A teic de n t lne bt ee  de n ey wr:

2 0. 0.  xe     e ey ey ide. In te eve event nt f 2.xe 2. xe xe te wite ng ce nde c nd Blc e ve te niitive 20 'a6! 'a6!

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ap ap  - . .  It  prtant o eep te we ng n te centre and ti  cleary uc ronger tan tan 20 .. .Wb4 Wb4 21 2 1 .bd . bd  xe .xe . xe xe xe 3.xc wt a doubleedged poon 21°c3 Ote ove ae not dangeou  Blac eite

1.°d4 c 22d (ae .c3 Blac a 22  . . c and te epawn e pawn fa) ...  ...xe xe 3xe Wa Blac end up w an exra pawn. .xc xe and Blac ae over e nitiative nitiative  ntance: ntance: . .  c3 Wd 3.  3.  b Wb4 4.c3 xf3 2.Wx � 21 216 A vey ong idea Blac pepare o acvate acvate i ng ngtt by ... .. .c. 22°c6 i loo teatenng bu Blac i eady wit a nice retor. 22 W 23

B22) 16£ 4

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19e6 i i e ot caenging ove. e a ao ied 1 9.xf3? 9.xf3? Wxc4 Wxc4 0.We3 d7  d7 ite inaive i naive a been be en owed down and an d Bac a te bete bete  cance. 2.°f4  ie a no good anwer to Blac prive dea of ...ae8 ...ae8 llowed by e capue capue of e epawn e pawn .b? ae8 23.b obably ite reazed only now a 3.xb wa not ealy a rea a ae 3..xe .. xe 4.e3 f ex Wa owed by 2 ...xf ...xf Bac wi win aeria 3 ...a ... a 4.c3 Wxa Wxa   a3 a3 xe Bac ad aceved a decive advanage n Moa Moaen enoo  Konguv Konguvel el Baceona 004. 1 9e6 e6 20: e ed 0.Wf? 0.Wf? n odo  Kau Kauaa aa Budape 00 but  i ju bad. e eae oution  Blac i 20... 20...Wc Wc .f f8 .Wx g7 and e oe one of  ino piece



ary Deaon 9.d  dvne i pee nd only hep B o eize the iniitive 9 . . .e 1  .g .g 1 .b3 . b3 e i i  lo good  Bl) Bl) 1 0 ... ... 1 1 .d . d xd xd 1 2.exd f Bl Bl led led in deveopent gve hi  le dvntge in Alehin Alehinee  Bogolj Bogoljbo bow w Bed Bed 1 93 1 .

20 20xc4 xc4 21 d5

87 65 43 2

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Aodng to y dtbe even ge hve ehed h poon ite h o e  dw by pepel he: 22e6t O 22W h8 23 .Wf. .Wf. 22 22  hs 23t=

9.d e Anoher pobiy pob iy  9 .. f  b the te tett ely olve Bl' pobe nd  oe he. 10.d d4  . b  ge d of he entl b nigh bt Bl developent dvntge give h good ply. Anothe opon opo n   1 .d3 fN oe bio bio hn hn   .   whih w good enogh  eqli eqliyy in Son - ei Cnne Cnne  99)  2ge2 2 ge2 e4 e 4 3 x xe4 e4  4 1 4.W 4.W   xe3 xe3 1  .Wxe3 .Wxe3 Wd  .0. 0-00 d7 d7 B hne e ghtly bete hn to h tong nigh on d4. ...xb 2. 2.xb

B3  8d2

a

e' n onnon odng o heoy 8 c6 c6 9000 9 000   ey e'  hoe. e hll j  tae  bief loo t he ltenive

b







  

 2 ...f ...f 3 3 d3 e4  4 .xe4  4.e 4. e44 n ino the nplent nplent 14  . .g4.  4 ...f ...f 1. 1. f f gxf gxf  b3  b3 e hve hve been owng Se - Bey Bey New Yo pd) 2004. B hod now hve oped  1 Wh4N Wh4N 7 7f2 f2 Wf Wf  8.e 8. e2 2EE fd8 .. .f 9 ...

2

aper aper  -  .  e cunt son in is position Moe coon coon s 9 . . e5, wic leads to a vey coplca coplcated ted battle ae 1 O.d5 O. d5  d4   f4 f4 e sal take a look lo ok at B31) 10.ex, 10.ex, bee tning o te ain atenaves, B32) 10.h4 ad B33) 10.eS 

8

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: 4

B31) 10.ex L 11.h4

3

8

2

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1

6

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1 5 ...aS ...aS

5

Since he gae Moye Moyevv - Svide, Svide, ij aan Zee 007 (see te note to Back's 3h ove B3 33,, his dea has has becoe becoe qe heatc heatc n B333 in ts ine. Instead 15 15d5 d5 16xd5 xd5 7.h5 wold ead o doubleedged pay.

4

 1

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is as been payed oly oce, bt b t y ain eason  sang s line wh he reades s to sow soe of Back's deas n ts kd of posion.

11. 11 .b4!N e gae gae Peez Peez Lopez Lopez - Nava Navao o Ca, Bac Bace eo oaa 000, saw saw  1 . ..e5 1 .d5 d4 3 .g4 wt ncea play.

12.g4 e key pont of Back's ovely can be seen n te lowng ne: 5 d5! 3.g4 xa 4.gxf5 Wa 5b c5 Black has a devasating attack.

12 ..ie6 13. 13 .bl bl c4 1 4.Lc 4.Lc44 No bete is 4.e xe3 5.xe3 d7+ and Bac s aead aeadyy heateing 6  .  xa.

1 4...Lc4 ...Lc4 1s.3 s is ecessa ecessay y,, as ae  5.h5 5. h5 d3  6. c c  c5 Bacs attac s decsve.

1 6.hS Wd7 Back Back s dong do ng we.

B32) 10.h4 A vey aggessve appoac, eadng o gly eesng play, alhough  sees to e that Blac anages o eep everyng nde conro

1 0 ...fe ...fe44 1 1.hS

ape   . A logcal onnuation is ten 16 g7 17Wx ex 18gx (aer 18x g4 Blac is clearly eter) 18... acn evaluates ths positon as unclea It s true that hite as a cetain aoun o copensaon llowing 1 9ge 5 4 g6  1 .h ut ae 1.W6 I preer Blacs postion ue to s strong isop I shoul e note tat hite cannot ae the pawn ac as ae Wxc7? 6 Blac has too any treas (suc as .e .c8 an W4)



20e4 g4 21ge2

8 7 6 5 4 3 2 1 a

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21d2 0-1 Maeyarov - Kurnosov Moscow 9. B322) 125

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16d6 it ts naual huan ove Bacs queen entes the play wt grea eect. Howeve te copue ncates an even eter ove r Blac 16xN 17.@x (o 7.xe4  18.@ 5 9@x e6 an Blac is clearly eter) 7 ... c e nce pon o e sacce 18xe4 W6 19.@a Wxh6 Blac as a conserae avanage.

8 7 6 5 4 3 2 1 a

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e os naural contnuaion

17g7 er 7.x Bac qucly eveops a ecisveatac 17 .W4 1 8. Wc5  9.e ex .gx e5 1.c x Bac won easly in Guajuln - Beov Moscow 9

12J 13g5 hies rs choice accoring o heoy u I woul e o enon a coupe o ohe optons

17  185 f4t 19@r  Bacs las piece coes no pay w ecsve eect

1.h6 ssenally e suaon s te sae as we saw w . 6? aove an here oo Blac can capture te cenral pawn wt geat eect

aly Daion

6

        3...Wxd4N h novely wa poned ou y Krenow in hessBase Magaine 12.  4.Wxd4 (or 14.Wg W6) 1 4...xd4  x8 x8 Bl i lely eter. 13d h oos que neeng ut Bl n eep eveything under onro. 13..g6 Muh ronger han 3...e  4.d4 when hite  ghting r n dvange. 4.h6  underandle p a e 14.h3 you don he to e a grandter o nd the owng erie o oe 14 e .e4 e4 6.x4 x4 7We2 xe3 18.Wxe3 Wd6+ B h  pent ge thn to hi ihop pir. 14.xh Now w hve  oe or e ed ine 1.xg7 @xg7 16.Wg g6 17.dx6 W8 8.Wx7

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 8..@g8N h proe on 8  9.We @g8 2.xe4 whh wa rher uner n Hlarp Peron - Howel Jeey 2 . 9xe4 I don' ee ny dea  he ae  9x7 Wx7 2We6  2.e4 8 223  lowed y 23 e7 19...x6 Bl oraly parre l o he ie nd rean the exhnge up. 2.h3 he doe no ge anywhere wh: 2.6 @h8 21.g4 (or 2.d7  22g4 d 23.xd xd 24.We @g) 21... 22.We W8 he dovered he ae no dangerou nd o Bl hs he advnage. 2 xe4 he ipe way; einaing the nght eve he hor o atve ide. 2.xe4 W 22.Wx6 ad8 B ey h he ette hne 13...i

14.ie2 hi  ney wy pyed u he hs lo tred he iy ntur:



hap  -    4.x4 5 J .5 Dnty o chalngng than  5.x5 Wx 16.x x whn Bac has no pobs.  5..4 6c c6 1.xc6

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1Wc A gat concp Bac ns th opn cl uch or than h ns th pawn. If  ..bxc6? hn h wou b vry happy to continu  8. wh an avanag 18cxb Now 8. is wl t by 18..Wxc6  9.xg6 hxg6 W + Bacs pcs  qut coabl bhn his song cnta nght 18...ab8 Anothr n ov; s iportan r Blac to p hs qun on h cl  9f4?  9. xb g a4 Bac vops a srious niiaiv on h qunsi 19 ...f8  6 Now Bac wns th xchang. 1W x  .Wx xg5 .xg5 Right now hi has hr pawns r th xchang bu not  long ...x5 4.a6 xc 5Wb  hav bn owng Vallo Pons Navaa i aan Z 9. H Bac cou hav ci th ga on th spo with h sp

 . N 6.Wxc 5 .Wxc xc 8. xa- 14...eS Noboy has t 4 .x h; a 15x 5 6.5 (6x5 Wx x h8 is gat  Bac) 6...4 w ach a poson tha s xain in th owing not. 15d5 d4 h anaiv  5  xf ps an xra pawn bu hps hs vlopn  6.xf 4  hn hi can iprov hr with  h4N whch was suggs by Golo in hessBase Magaine 8 1 . hits poson ss prosing r insanc  ..W6  8.xg6 hxg6  9. alows hi a ongt iniaiv. 16.e4 c6

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Bac ust aac his cnr; his ov also hps o opn so lns on h qunsi 17.dc6 hi hs also pay  .f cx5 8x5 I loos rsy r h to opn h iagonal r Blacs lighsquar bishop. hr is a rsonabl alrnativ in  8 x

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ar Deiaions

xe  9.xe xe5 .xe5 W7  1 .4 xe4 hite has enite opensation r the pawn ut only enough r equalty. 1 88 19.xe5 he pause  9.x4 woul run into: 19 ...Wxg5 6 (xg5 ex4 gves Bla a eise intiative)  .4 Bla is uh etter. 1 9xe .Wxe e8 1xg6

he ees to eep the queens on n an atep to just his roo eng on g5. Inee aer 8 Wx 19x 4 Ba s ne whie the white roo loos a t isplae. 1s...V

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  ...x x Wxg5 xg5 xe 4h4 e5 Ba ou try 4.. .x? 5.6 7 6 e5 7 < an hte st has a t o wo to o to seure the raw 5 x5= A aw was soon agee in haler  inge o. 6

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17...c6 18.Vel

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19.g3N hs poveent was suggeste y Krasenow in hessBase Magaine 118 Laznca has twe playe  9g? 4 A natural poveent ove  9 ... a8 whih e to an unlear positon n Laznia - Krasenow Ostava 7  4 1. x .gx 8 . Wx 4Wg h5 xh5 xh5 a8 Ba taes ove the nitative. <? his allows an eegant onation. hites es try was .h6 Wg6 Wxg6 hxg6 4xg7 gxh5 5x8 x8 Bla is sghtly etter ut hte has goo hanes o saving the gae. .x .x a4 he pont othe sae Bla now evelops a esve atta 4x4 ex4 hte was aleay eeneless aganst Blas

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a  . attack n Lazncka - Ponoaov asba 27.  beve a as a esul o s gae 19Wg3? wll not n any owes n te tue

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Bac s by no eans wose ue to s stong ng on 4. B33) IOe

19. .ac  pee ts to 194 23 xe2 2  .Wxe2 wt an unclea gae as ponte ou by Kasenkow.

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20g4 Ote possibiltes:

2.3? s a seious naccuacy tat allows Back to seze e ntative on te queense 2...b4 21.b xc3 Black as a ea avantage. 2b s a oe potan alenave 2.4 21.3 c4 (ae 21...xc3? 22.bxc3 xe4 23.3±  ont see any goo way  Black to contnue) 22.x4 ex4 23.x4 Wb6 Back as ne ongte copensaton  te pawn tanks to is aksquae bsop. 20..�cd 2 ...c? is also wot consieing 21. e7 22t  23 d4 24@l 4

n y opn tis s te citical continuaton. Backs aksquae bsop is cut o o play  a long te but on te ote an Back s able to seze conto ove te gt squaes n te cente IO...4 e ave aive at an potan cossoas  te; is options ae B331) 11.h6, B332) 11.h4 an B333) 11.h3 B331) 1 I.h6

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3

ay Devaons

s eas o very onee pay as te nens to aun a ret oensve on te a ing aer swappng arsquare sops. 11...ie6 12.©l te as also tre .xg7 xg7 3.



13...Wd7?N I eeve tat tis is a serious proveent over 365 as paye n Draz - Koo Nova Gora 8. te ou ave respone wt te natural 4.3N wen te treat of g5 woul re Ba onto te efensve. 14.h3 er 4a3 45 5ge a4+ Ba's nitatve eveops qute sooty.

 6 4 

14...a2 hs ove sets o soe rewors on the oar.



15.g5 c3t 16.c3  a









  

13...f4?N I e ts very natural iea In pratie Bla as playe: 13...5 14.x5 a4 15.ge (15.xa4? oses to 15xa 16 a5) 1 5...x 16.x a8 7.4 x5 t an equal gae oa - Heransson ween 7. 14.g4 ite wou e n troule ife i not ave ts resoure. 4 .. .a5 15.3 65 Ba as very ortae pay 12...h6 13.Wh6 17. Wa4 18.W  Bla s te exange r a pawn own ut t s ovous tat e as ore tan enoug opensaton. B332) ll.h4

hs aggressve trust loos very atura Blak as to reat quily eause te rter avane of te pawn igt ause serious aage



ae   .  1 1. ..ie6 Bk ttk he pwn ie n een i y B3321) 12.©l, ignoe he he wth B3322) 12.hS o ove  wh B3323) 12.3 B3321) 12.©l

87 65 43 2 a

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12...f4N riing thi pwn to ler he 5qure r he ihop  oen  eping e n h vrition ut h prur poion i one o the ew oon tht it uy work. n Kowzn - Juek yow  Bk pye very pivey  45 .h xe 14.Wxe 5 5x5 x5 6.h5± 13.f4 c5 l Bk pee re rough ino ply even he kque ihop 14.dcS It i ngeou r e o ply 14.ge 5 5.e4 W5 16. W 17x5 (er 7.e 8 8.We 4 9. x .Wx 5+ Bk retin n initive) 7..a4 85 x5 Blk h goo openton  the pwn. 14...6d5

15...it 16.©al c2t 17.©l 4t= B3322) 12.hS

T  o oure very eping Py onnue 12 ... a2t 13.a2 a2 14.h6 h6 15.ih6

87 65 43 21 a

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

arly van

15Wd7N  mporan improvmn as othrws th whol ln s somwhat dagros r Blac h 8sqar shold b pt  r th g so I dont  15 W8 162 4  n Av Byhovsy- Db l Avv 2002.  cod h play 17cN b 18 d8 9g4  has a sros iav wh Blac is lacng n activ

larly wors is 21W4 22d2 xd5  ar 26 Bac is ndr srios prssr 22  1 ia2 Blac ms crtaily avod 22 .xd? 2 b5 d8 24Wg7 ad t wns 23@c2 a4

16e2  nds ths mov in ordr o shlt his ng Obvosy 6xg7? rns ino 1 6..Wc6 and Bac mas wth a halthy xra pawn ar th xchag o qns 1 6i3 177 17 s oo sow althogh Bac has to nd th srog rspons: 7..d5   8xg7 xg7 19Wh6  20Wh7 8 2Wxg6 d8 ts ng is mch mor vnrab tha hs bac cotpart 17@g7 18Wh6t @

h owg varaton now sms rcd 24iSt @ds 25a4 l t 26l Wa4t 273 W5  srggl hold d i a draw  xampl:

87 65 43 2

28el t 29@2 t 30@I W6 3I@2= B3323) 12a3

a

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h

19d5 its bst contation Ar 19Wh7? 8 20Wxg6 d8 21Wh6 8 Blac s bttr d to th vlrabl wht g. 19 Wa4 20Wh7t @es 21c3 Wal t

hapr 2 - . f



s mov_ is h las shon havng n plad wic  Israli Grandmasr vgn Posn

llowd  ...d8 c5 or . d5) 7  6  8 f4 @ Blac s rad o m  9.g4 wih  9.. .h8 20.g h6 wh advanag

12...a2t is oos l Bacs s opion r 2a5 hi can vn accp h pc sacric : .x4 .h5 s aso possil I am no sr wha Bac shold do) 1..x4 14 In Posn  How Kalha 2009 Blac d o oan nogh compnsaon 14  a 1 5.Wx4 c5 16.Wxc5  d5 17.@d2 a5 8.Wc±

16...c5 17.e2  wh ngh s hading r h csqar. Insad 7.dxc5 vors Blac 7...Wxd2 8xd2 8

13. La2 14.h5

7 6

17...�c8 1 8.l 1 8h6 s o 18 cxd4 19.@ c4 20.Wg5 W6 and Bac has a wnnng aac. 1 8... 19.c3 r 19.f4 cxd4 20xd4 c4 21.f2 2 xc4 xc4) 2 ...g5 Bac as ovr h inav 19...d4 20.Ld4

 3 2 1 a

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8 7 6 5  3 2 1

14...3?N is nara mov s m amp o mprov on h gam Posn - Gopa aca 2009 a b c d e f g h which wn 4  c5 5dxc5  I lv ha h now missd a good oppornt 20...d7 No onl prparng fd8  n h rgh o sacric h xchang wh 6f4 xd 17@xd . I ral don  Blacs poson. In crcmsancs h qn ma ransfr o 6 n parclar I am worrd hat h5h6 w av ordr o cra hras agans h wh ng. Blacs darsqard shop o of pa r a 21.�h4 c4 ong m to com. I prr hs o 2...W6 22x6 x6 15.6 6 16.�el 2.5 c7 24.f4 whn Bac has a prolm I aso xamnd an xchang sacric hr wh hs darsqard shop  i dosn oo dangros r Bac 6 h xd 17.Wxd or 7@xd W8 18.f4 6 22.Lc4

4

ay vaons

s s pobably cssay as a 22Wg5 s Bac who ss s 22 .. .xa3 23bxa3 W6 h s  robl ...:xc4 Fnaly w hav rachd a baancd posion whr Bacs acivy compnsas r hs mpoarily passiv darsqard bshop. H s an ilsrav n 3.:ehl ds 23...6!? a

4.:h7

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1 I. ..ie 1.@bl  man mov accoding o hoy ht has aso td  2.a3 a2 I had d ths ida ad ntndd o o it as a ovy b br I cod do so it appard in a gam. 13.xa2 xa2

87 65 43 21 a

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h

4...f4!  oly mov b good nogh o mana h baanc 5.4 t .x  7.7 e5 8.@c f4 ratg 29 g6 9.7h4 igt 30.@b3 :c 31.:el it 3.@c igt= B333) I I.h3

I my opnion hs is h mos sros coninaon.











  

4h6 I aso anaysd othr movs h 14f4 d 5 Bac has a good gam 14Wc2 Wd5  5 f4 o  5d3 c4 16c3 xf 17.xf c6 wh qa play) 5.. Wb3  6.d3 fd8 Blac shod xpnc ay probms oc th qs com o. 14 ..Wd7 15.xg7 xg7 16Wc2g8 ht was thrag o ap h bshop wh 7b3



har   174 d 18xd5 xd5 9c5 xc5 20dxc5 d8 Back had th bttr dgam i th gam Vtigov - ag Y Nigbo rapid) 2010 d7 12c4 was pad i Av Bkhovs Golod  Aviv 200   b i is iaccra 1xc4N xc4 4b  15h6 hi clarl holds th iitiaiv 3.f4

35

his trc mov s strogr tha  5d5 x5 6axb4? axb4  7 b5 a5  8xb6 cxb6 19xb4 8 whch was good r Back i Mov - Svdlr ik aa Z 2007  5c6 Ar 5 c8? hi ca accp h pic sacric: 16axb4 axb4  7 c2 Black dos hav h sam coordiaio  i MolvSvidlr ad hit is clal bt hr 16d5 x5 6cxb5 7xb6 x5 is js a rasposio 7xb6 cxb5 18h 6

19d4 Backs xtra paw s absotl ilva ad mawhi his pics ar badl coordiatd 9axb4? wold b a srios mistak: 9axb4 20c2 d6 hi is cig a dagos atack 19xd4 20xd4 a6 21d6 xd6? Black had o r: 2xd6 22d5 xd5 23xd5  24xb5 c7 25xc7 xc7 26h4 ht is o v obigd to rgai th paw Blacks posiio rmais pasat 22cd5 xd5 23xd5 hit had a wig atack i Bita Vokarv Bhbaswar 200 15b5

4.h4



aly aon

I ao xamnd 4x6 Wx6 5a3 no 5h4 x5) 5a5 6f4 c5 7Wc 4d5 8xd5 Wxd5 9dxc5 W4 20.a2 Exd 2Wxd Wx3 22cxb6 Wx4 23Wd5 h8 24.Wxb7 d8 25.Wc7 Wd4 26b7 x5 27Wc3 W4 28Wc8 Wd4 O co th ln  no al cd b t i a good llraon o h pob n h poon 14... Back ha no m  4..c4 5xc4 xc4 nc ar 6b3  7a4± h  cng concrt probm  hal now low h gam Sam - So Oongapo iy 200 whch rachd h poton via a drn mov odr

87 65 

15...c1.e c5! 17.e e 18.dxc5 c3 19.bxc3

87 65 

32 1

a

b

c

d

e

f

g

h

19...4! h ky mov; Black z th ntatv. 0.xdt �d8 Ud8t @ Ht No b  22cxb4 Wxa2 23c d5 p h mara advanag ht i in a dcl aon

32 1

 ...@ 3.xet @gs 4.b4 xb4t 5.@c d5 Black ha a powr atack a

b

c

d

e

f

g

h

c

I hartly rcommnd 3 d5 a a tabl combav rpon to 3.3 Back mt xpct o b bjcd o a rahr calooking kingd atack n vra lin n thi chapt  provdd h  wllprpard I blv 5W a4  6b3 xc3 7.Wxc3 a5  8.c4 h can c ch attack wh condnc 6  9.c  h poon  roghy lv and obtain ampl conchanc on h 5.2 a5  hav a dodgd poon qnd In h main lin of 4cxd5 xd5 54 b6 whch I rckon  baancd. For xampl  6.g4 6.c3 7.3 0-0 8.Wd2 c6 90-0-0 g4 7.g4 Wc6 8.a3 x5 9b5 Wf3 I hav g7 dcdd o advocat th honabl 202 20Eh Wxg4 22 Wc8 la 9   hrt h ha cord wl p to now ht wo pawn down r nothng) 20 .Wc6 and I  no aon wh it hod ot conin 2 5= hi do not hav anyhing btr o do o. han paing mov. 15.5?! hi hod ao aod 5h5 g5 b h ha wo br opon

Fiachetto Systems Re Lne

Variation ndex A) 4dS B) 4g2 dS B) Sb3 B2) S�b3 B3) S�4

1d4  24 g6 3g3 36

38 39

39 40 41

A  7 g2

B l   bxc4

B2)  9d

a  c    g 

a  c    g 

a  c    g 

7 \

 

9 c



Fanho Sms

.d4  .c4  3.g3

 uss a mpoa mpo and  opns up h log dagonal alowg Bac to bcom v acv

87 65 3 2

4 d5 5.d5 d . ig7 7.ig 5! A  mov whch dsupts hits oma dvopmn. Af 7..0-0 .f3 hit compts hs dvlopm ad can v ght  h advanag in a compx gam

a

b

c

d

e



g

h

hs continuaon ra causd m a hadach spca taing no accoun ha I rcommndd ths sstm  hit n m arir boo Granmater Repertoire -   Vlume Two inal I cam to h dcision o o adrs th v soid sstm faug th movs ...c6 ad ...d5. Som of m ids advisd m o gv aothr ssm whr Blac plas d5 wthou ...c6 and rcapturs on d5 with hs nigh.  wr man intrsting idas plad i ths i at th latst Ompad bu I s adh to h vw ha hit has good chacs of a slgh advanag 3...c I s ssnial to pla his mov sraght awa bcaus if Blac dlas  r a sing mov hi will g th chac o pa 54. hs ndamnal dcision wh cing c6 and ...d5 is whth to xchang paws on d5.  lins with an a xchang w b covrd i haptr 7 ar w rs da with vaous oth optons I his chapr w xamin A) 4.d5 and B) 4.ig, b turing to 4.f3 n haptrs 4 to 6 A) 4.d5

hi unquvocal pvnts Bac plang ..d5. Howvr th tx has obvious dawbacs;

87 65 3 2

8.id s loos a bit awwad but hit cs som dicults a th natua: 4 g4

9.g2N hi caot pa 9f3? in viw of th tactica blow 9 ...x4 ad  th whit poso colapss 10.g4 (o 10.a4 xa4 11xa4 d7! 10xc3 11Wd2



hpt 3 -  Lns Wc5 Bc hd  dcisiv dvtg i Gf  Ydmov Oms 1996. 9Wb ns to 9  6 d Bc tds c5 xt wh th b7pwn is tochb  0Wxb? b8   .Wc6 d 12Wc4 b5 13.Wd4 b4- 9 x2 0x2 hits pobm is tht 10Wx2 c b mt b 10 xd5 1  .Wb5 Wxb5 2xb5 b4 130-0 86 Bc mns with  xt pwn. 10bd th th whit kg o 2 th s o dobt tht Bck hs  v good positon.

Bcs p is ogic nd simp. 1 .cl g4 13.b3 8 14.d4 d 15.dl b8 1 .h3  hv b owg Kochnoi - G Moscow 97 nd now Bc shod hv pd 1 ...c5N ith b5 coming nxt Bc hs  n gm B) 4.g d5

8 ...0-0 9.e3 hit hs pobms compting his dvopmt s th vb of hs dpw ds movs i 9.f3 nd 9.h3 mpossb. H hs so td

9.4 bd7 10.g2 5 11.0-0 g4 23 (o 12f3 d 13 W6 nd Bc hs h ititiv) 2.c4  3c fc8 hi ws n ob i Pshs - Vgod  1983. 9Wb3 s s ows Bc o g hs nght to c5 with mpo 9 .6 1 0f3 d   00 c5 2.Wc2 fc8 Bck ws bt i Konv -Yndmiov Stov 2006 9bd7 10.ge  e5 1 1.0-0 c4

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h now hs mn opons nd w sh ook t Bl) 5.b3 B) 5.b3 nd B3) 5.4  mos common movs 5f3 d 5.cxd5  covd n h owg chps wh 5.d2 g7 6.gf3 00 70-0 nsposs o hp 5 Bl) 5.b3

No h mos pop mov h b  hs nvhss b mpod n mos  gms. 5 ...c4! Bc sizs h chc o  dvng of hs sgh ns mov od  5 ...g7 ht c p h 6.f3 o

4

Fan Sysms

6�b2 0-0 7f3 b f whch transps t hapr 4 .bxc4 e5! A ntasc da It s nt n n th Gnfd ha Blac ras h pn f dvpng his dasqard bishp n th a3f8 dagna.

Initiay my ntntn was t sggs 6 c5 7.f3 (ar 7d5 xd5 h ann capr th nigh as h wd hn s matria  8 ...�g7) 7 �g7 8�b2 Wb6 9Wb3 4 0.3 0-0   .0-0 c6 Pay has anspsd in in B2 in hapr 4.

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his was payd in Schr - Siing mail 003 h was n asn  Blac raining m h llwing: 11.  c5N 1. b5 l 13. ct d8 14. x8   h his ngh stc n a8 hit s in a vy dangs sitan B) 5.b3 ig7 . c3

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7. ?! I hin h wd b bt  playing 7.d5 cxd5 8cxd5 �b4 and nw sacicing a pawn wih 9�d xd5 0b3 �xd 1 1 xd hi has asnab cmpnsain b h is n raly ghing  an advantag 7  exd4 8.xd4 xd4 9. xd4 ig7 10. d hi shd hav pfd t play 1 �b2 ahgh 1  ...fd7 is sill xclln  Blac. 10   fd 1 l.e3

his s vy tmpting sinc it wd appa ha Bac has t dcid what t d abt th aac n his d5pawn Instad 6.f3 0-0 70-0 wd tansps t hapt 6.

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haper  - are Lines t taspis that Blac is ot obliged to mae a immediae decisio abot the d5paw b ca temporail sacice i. 7d5 Obviosl 7f3 b 8.0-0 is aothe taspositio to hapte 6 7d5 8xd5 xd5 9xd5

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 meida Saez - iz Gozalez Mexico 1996 hite tied the gl 2.g; Blac shod simp have replied 2...gN wih he bete chaces. 1 g 13g1 d5 14Yd3 Yb Bacs develops his iiiative wih aal moves. 15 fd8 1@ c5!+ hite was i trobe i Kalii - Gobet hessaoi (ol) 1988. B3) 5Y4

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9 c! is is a impoat mome; Blac mst mae se of his ead i developme b paig active Hrig to regai the paw is ot so good 9.xd4 0 h a f g7 2.xg7 xg7 13 .xb7 hite eds p wiig a paw ad Blacs compesatio is qestioable aevai - A Feradez Piiapolis 987. 10xc hite cao pla 0.f3? i view of 10..a 1 1 .b a ad he loses a piece 10 bxc 1 1  aso examied  1 .e3. Bac has the strog respose 1 1  c 12dxc a 13 .d2 xc5 14c f5 hie ces a hard time wih so mch ope space r the blac bishops. 11h3 1g5

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is expeced qee soie is o as srage as i loos a rst sigh ad it has bee emploed b sch opeig expers as Grisch ad achiev. e idea of he move is obvios; hite wats to rce Blac o clari he siaio wih the d5paw ad aer he obvios 5 .. .dxc hie wi obai a spaia speriorit i he cere. 5 fd7!? is seems o be a eas wa to eqaize; Bacs idea is simp o maiai he d5 paw. d5 b 7Ydl he aenaive is

4

Fano Sysms

7.Wb3 cxd5 8.c3 c6 Tis symmica poso is py hamss  show   owg co 9.3 I aso biy xamd ot coatios 9.3 g  0.0-0 g4   .3 x3  2.x3 6 Back as a comab gam 9.xd5? xd4 0Wd3 g hs pcs ack coodao. 9 ...g 10.g2 6 11.0-0 0-0 2.d d T positio is lv Bocaov - Sa Ab Dhabi 2009. 7d5 s g7 900 0-0 10b3 c 1 1b 

1h3?! Ts is aady a sig iaccacy;  2.3 wod kp  posio baacd. 1 Wd 13h e4! Blac sas o ak ov  itiav. 14bd  15.eS Le5 1 xe4 ixd4 17ixd4 dxe4 18Lb b 19Wxd7 �xd7 0Le4 �d; Bac caly ad h bt dgam  Gachv  ismall Dagomys 20 0.

 Bac sod o b dy cocd abot  ay dviatos  hit at w av ookd a i tis capt. T bs h ca xpc o achiv is a taspostio to t mai s covd i t owg capts whi i som is sc as B) 5.b3 dxc4 6bxc4 5 Bac ca v sz t itiaiv at a vy ay stag.

Fiachetto Systems 5.b3

Variation Index 1d4  24  3g3 6 4 d5 5b3 g7 6g2 6 0-0

A) 7b2 B) 70-0 x4 8bx4 5 B) 9e3 B2) 9b2 �b6 10�b3 e4 11e3 6 12e5 d6 B21) 13d2 B22) 13x6

45 45

47 47 48

A) r 12xg7

Bl  r 1 1 2

B22 r 19b3

       

       

       

  

 1 23

l l xd4



1 9Wb4

44

Fanhetto Systems

I.d4  .c4 g 3.g3 c 4. d5 5.b3 Tis is the line that I reommended r hite in ranmater Repertoire -  Vlume Two Since the theory has developed considerab and Black has nd some iteresting new ideas 5 ...ig7 .ig hite can also pla 6.b2 0-0 7.g2 which is examined in line A

9...e Blaks ol sensible idea is to ndermie the white centre as qick as possibe 10.c3 I also analsed 10h4 Tis attempt to hold the centre alows Black serios conterpla. 1  ...exd5 1 1 .cxd5

...0-0 other possible move order is 6 ...dxc4 7bxc4 c5 8b2 Wb6 9Wb3 e4 10.e3 0-0   .0-0 Pla has tansposed to ie B2.

 6

hte now chooses between A) 7.ib and B) 7.0-0

 

A) 7.ib

htes am s to avoid pobems o the og diagoal bt I have evertheless nd an nteestng conter  Black. 7 ...dxc4 8.bxc4 c5!?

9.d5 Ts is htes o independent try made possible b the eal deveopment o his qeens bishop Otherwise 900 is st a transposition to B2.



2 a









  

1  ...g5 1 2.3 x d5 Black ma also go  a qee swap 12 .. .Wxd5 13Wxd5 xd5 14xg7 xg7 15.xg5 b4 16a3 8c6 ith his health qeeside majo Black caot be wose 13.xg7 xg7 14.0-0 hite has a cetan amont o compensato  the pawn de to the slghtl exposed black kig bt I pee Backs positio 4 .h6 15.h4 15xg5 s wose 15b4 16.a3 hxg5 7.axb4 Wxd 18.Exd cxb4 9.Ed4 a5 20.xb4 d8 hite is  toble 1 5c6 16hxg5 hxg5 17.d2 Reganig the paw does ot solve ites probems 17.xg5 Wxg5 18.Wxd5 (ae 18xd5? Eh8 it is sightl srpisig that Backs attack s alread wiig 18...Wxd5 19.xd5 b4 20c3 x5 21xd5 e6 hite wil have to ght to draw this edgame

at   

45

17.g4 18.h4 d7 19Wc Wd4 20 3 W5 ht d t hav f cmpnsatin  h paw

. Tis cnstitts n  th mst ca ngg   das aganst th wht stp T a nw a cpl  ways  hit t sppt his pawn: Bl) 9.e3 and B) 9.b

10 ... exd5 l I.xd5 Of cs   .cxd5? xd5 st avs Bac  wth a xa paw.

Bl) 9.e3 c IO b b!

11... xd5 1.Jxg

8

f

l l.e Oth ptins a: g

h

T y mv 13.e3 xg 14.0-0 e7 Bacs sp paw stct givs im h bt chancs. B) 7.00 dxc4 8.bxc4 c5

1 1 .c cxd4N Tssa impvmn  1 ..�f5  2.bd2 d7 3.b3 b? 4.xc5 �xb2 15.Wxb2 xc5 16xc5 Wxc5 7d4± ht had th btt cancs in Bada  Man ac Ba snad 2005 2xd4 Bac has n pblms a 12xd4 �5 13.bd2 ac8 12�d 13d2 13.c3 ac8 ls ga  Blac snc h c4pawn cms a s agt. 3ac8 it mg ban a slght pll a  mmdat smplcatin: 13xd4 14.�xd W 5.Wa3 �c6 16  6 bXC6    14.b Wa6 4 Wc? 15�c3 xd4 6.xd4 b6 as s asnabl  Bac. 15�c3 xd4 6.xd



4

Fanch Sym

Bac has a comrabl gam ar  6.xd4 c6 a h manag t ntralz h prssr along h h a8 dagonal. 6b5

8.x3 d6 Dsp h two bshops provding som compnsaton hi is ghtng t qualiz. 4. 8 Bac wl coninu wth .. .d6 wh good pay. 4..5 15.b3 d7 Bac ha dcn pay agains h whi pawns. 1 1  d4N  imporan improvmn. Blac und himslundr prssur ar 1.4 .c3 xc3 13xc3 cxd4 14.xd4 14.xd4 may b mor accura) 14xd4 15xd4 xd4 16.ab  Kmpnsi - Domaov sanb 003

1 .b3 Tis has occurrd only onc in Masov  Zapr Kasta 005. I hav und a convncng coninuaion r Bac 1 1 . a5N  .Wxb6 axb6 13bd d8 Ts is a vry accurat mov; h mor naura 135 alows 14d5 6 15.ac wh a complx gam.

14.c I aso anaysd 14.d5 6 15.4 15.dx6 x6 is clary bttr r Bac) 15...x4 or 15...xd5 16.xd5 b5 17.cxb5 xd5? and Bac is a las qua) 6.xg7 xd 7.6 x3

1exd4 1.xd4 is w m by 1...g4 133 d7 Provoing 3 sgncany rducs th prssur on th ha8 diagonal. 14.a3 ac8 15.ab Wa6 16.d d8 Blac has h mor comrtab position. 1g4 13d5

14 d4 15d4 xd4 1d d

aer  -  . 17�cl e_ e game s rly level r stac 18�fdl �c8 19e4 b! 0�bl xe 1xe =

47

e oy way to ght r a advatage 1d

B) 9i b

a

b

c

d

e

f

g

h

10b3 Agast 0Wc Blac ca qaiz wth aral moves: 0...cxd4   .xd4 c6 12xc6 ( aso xamd 2d d7  3.a3 fd8 14.b Wa6 wth qay) 12 .. .bxc6 3.d2 6 13..f dsrvs ao) 4.b Wa6 1 .a3 f8 1 6.b3 d7  7Wc2 Goldi - Yademrov lsa  99. Now h sml 7...N 1 8c ad8 wold b   Blac 10e4 A ola arav s 0.fd b ar th srog   .c3 hit has rssr 11e3 A   .c3 xc3 12xc3 aosc  ara Kshaas 99 Blac ca lay vy smly 2..cxd4N 13.Wxb6 xb6 4xd ar  4xd4 a4 hte s  rob) 4 . c  .xg7 xg7 16  a6 Blac s v sghty bt  h dgam.



11c 1eS

B1) 13d d4

Blac led to qaiz  a rct gam: 36 4xc6 xc6 c Wxc 6d4 Wa 17.xc6 W 8.xg xg7 19c3 g8 20 a c dd o have ogh r  G  H Nls Amstrdam h aw  200.



14exd4

4

Fancho Syms

14...ie H I nd h intrsting 4  f5?N ar which pay may coti: 15.xc6 xc6 6 Wx6 x6  7xc6 a7 Blac has saccd a paw  hs pics a so activ ha ht caot hod oo th xra pawn 18.f3 d6 19fc c7 20.5 6 2 1 5 fc8 15.�fcl I chcd a cop of ohr movs:

15.f x5 5...x5 16.x5 f5? is aso woh cosdrig) 16.x5 xc4 T asis ro to qaity. 7.xc4 xc4 8.Wxc4 Wx2 19a d2 20.d ac8 15.xc6 xc6 16.xc6 ar 6.Wx6 x6 17.xc6 f8 Blac will rgai th paw wih divdnds) 16...Wxc6 17.d5 8 8.xc6 x3 19x3 x2 20a6 f8 Blac has th ttr chancs

A daw was now agrd n Jaovo Svidl agomys 20 10 ahogh Bac mght hav playd o r a . 18.dxe5 xc4 19.xc4 �xc4 0. hit clarly has compsato r th pawn   may stl ta som ort o scr h draw B) 13.xc

87 65 3 21 a

Ts

b

was

c

d

my

e

f

g

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rcommdatio

in

ranmaster Repertoire -  lume Two

13 ...bxc 14.dxc5 aig h paw y 4Wx6 x6 15.xc6 is caly wors r hit.

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15.. �fc 1.xb hit has rid 6.c5 t is qt harmlss: 6 ...x3 17.cx6 a4 Blac ps vrythig dr conto 8xa7 xa7 19dc4 Tis was Zho qi - ing Lrn anzho 200 now simply 9... x5 20.x5 c2 givs Bac th mor pasat positio 1 ...xb 17.f4 xe5

49

atr  - . b 7.4 cxd  8.xd4 xd4  9.a4 wors is 9.d2 a6 20.E c3) 19...Ed8 20.Ea3 a6 2 .Ec 5 Blac has strog prssur.

19...b4N I  gam Blac cd ra problms ar 9 ...Wa3 20.c5 b5 21.W4

14 ...xc5 15.7 xg7 1.d In my arlr boo I soppd a hs posion consdring i slightly vourabl r hit. Howvr it was tstd a h rcn Oympiad:

0.d4t g 1.x7 xc4 .c5 22.Wd4 c5 23.Wh4 6 24.h3? is an itrsing attmpt but Blac can maintain quaiy: 24 .x3 25.Exc4 Wb5 26.Eac 6 27.Exc5 Exc5 28.Exc5 Wd3=

1...ie 17.fcl A srous atrnativ is  7.a4 whn Blac should ract wh: 17 ...Ec8 ar 17 ...xc4 18.Ec b6 9.Exc5 xa4 20.Exc6 ht tais som prssur) 1 8.Ec Eab8 19. b3 W5 20Wxa xc4 21.a5 Ea8 aso possibl is 21...d5 22.xc6 xc6 23.xc6 Eb2 ad Bac has nough compnsation r th pawn) 22.xc6 Exa7 23x5 Exa2  draw is obvious.

... 3.c I hav b uab to d ay way r hit o pos srous problms:

17...b 18.3 Blac has no probms ar: 18.Wc3 6 19.b3 or 9.Ec2 Ec8 20.Eac Wb4) 19 ..Wxc4 20.Wa5 Wb4 2 .Wxa Eb7=

3...xc5 4.xc5 3! 5.c3 bl t .xbl xbl 7.c 3 8.d ic4 9.h4 Also comply qua s 29.Ed .

18...fc 19.b3

9...@=

87 65 3 2

23.xc6 Wxc5 24.xc5  25.a6 Eb2 26.a4 Ea8 27.b3 Exa6 28.xc4 xc4 29.Exc4 Exa2= 23.h3 x3 24.Exc4 xc5 25.xc5 Eb2 26.a4 Ed8 or 26 .. .Ea8=)



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s occurrd n Laznca - Svdlr Kany Mansiys ol) 2010 and ow I ud h llowg mprovmn:

I h ops r 5 .b3 thn 7...dxc4 8.bxc4 c5 s a chalnging way r Blac to icras hs prssur down th ah8 diagona vn whn ht trs to nutraz this rssur with 7.b2. roughou hs chapr I hav cd h somwhat trcy tas o ghtig against my own rcommdatios om Grandmaster Repertoire - Jd4 Vlume Two. A parcuar cas s B22) 13.xc6 whch I had assssd as vourabl o h Howvr n h ight omy anaysis o th rct gam Lazca - Svdlr I ow  ha ths ln s nirly saiscoy r Bac.

Fiachetto Systems

       

Re Sevenh Move

Variation Index 1d4   24 g6 3g3 6 4g2 d5 5 g7 600 60-0

A) 7�4 B) 7 bd2 C) 73 4 C) 8e4 C2) 84 C3) 8e5 A) er I 0 4

B noe o 12b3

       

       

 Ob6N

1 4N

C3 noe o 94

51 51 55 55 56 57

51

haper   are Sevenh Mve 1.d4  c4 g 3.g3 c 4.ig d5 5. ig7 .00 00 Back has a serios aeaive in 6 .dxc4 bt  have awas preferred o caste hee.

 32 7

8.a? results  a oss of me 8 ...  b6 9.Wc f5 1 .Wc e4 ith hi knight havg goe to a hie s abe o atack ths bshop. 1 .c5 6d7 .f4 b6 .cxb6 Wxb6 4.e c5 he opeig had cear red ot  Blac vo  Gigoia  Sveshikov Mocow 97. 8  b 9.c5 d7 10.if4

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e shal examie A) 7.4, B) 7.bd ad  7.c3 i thi chapter. Of the oher seveth moves 7.b raspose to the prevos chapter whe 7.Wb ad 7.cxd5 are covered i the lowig wo chapter. A) 7.4

he oe o m dets metioed ths move  was rpred to dicover ha i has occred i almost a hded game. er checkg a the opo the oe  ike mos is 7 ... fd7!? his omewhat eembles the variaio wih 5Wa4 fd7 tha we coveed as lie B i haper . 8.c he most chalegig move. Othe opios ae:

8cxd5 cxd5 9c b6 10.Wd c6 1 f4 f5 1 .c c8 Blachad comtabeeqait i Pigov - Hzma Svedlovsk 1987

10bN  Sagssia - Vooki Germa 008 Bac caried ot the aa ...e5 brek bt led to eqaize 10..e8   . bd e5 1.dxe5 xe5 1.xe5 xe5 14.xe5 xe5 5.e4 dxe4 16.Wc We 17xe4 hie has a iiiaive. 11.b b 1.c3  13.Ecl i 14.b3  bd7 he positio i cear B) 7.bd

his i o a patcarl dageo stem b i is qite paabe ad Blac ms know exacl how o react. 7...i



Fian Sym

87 6  2

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8.b3 h has svra aravs

8.3 sms t m  h sprt  hs i b I ahr  h blac sd  hs rc xamp: 8 ... bd7 9.W Wa5 10. ac8 1 1 a3 Wa6 1h3 c5 Bac had aily slvd hs pg prbms ad s  vr h itiativ. 13g4 6 14g5? h5 15.cxd5 Wx 1 6.x xd5 Krajica - m arav 010. 8.Wb3 s  cmm b ar 8 ...Wb6 ht as a pr vrsi  h Wb3i s hap 6 sc h ght s clarly mispacd  d. Fr xampl 9Wxb6 axb6 10b3 4 hs s  b Blac cld as csidr h mr aciv 0..b5? 1 1 .b d8 .d xd  3.xd dxc4 14.xc4 b5  5.3 6 16d a6 YY Ors  Bacza Kcsmt 1979. 8h4 6  bishp is q wll pacd  6 whras th whit igh s a bi msplacd 9b3 a5  0b a4 1 1 3 is was Hgh  Khachya Paada 008 ad w I i   ..Wa5N  .a3 8 13h3 bd7 ad Blac may v play ...b x. 8. .e4 9.b WS!?

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is s slighy ara i hs  b i s q pplar ad has b playd b sch srg pays as mma Gigc ad H Blacs da s  prv th advac  th whit qsd paws ad th at bta crpay agast hm 10 A aa rsps t h blac q srt bt h ar as sm h asab ptis

1 3 d7 1 1 x4 1 1  1 was trid i hga - Kratschmr Obwat 005 ad Blac w missd h ic 1 1 .c5 1  d3 13xd3 xd3 14.4 6 153 dx4 16.x4 x4 17x4 d8  7b5?  psiti is lv 1  ..x4 1 .W ad8

hpr  - r Snh Mos .fc Oth mos  pcl .h c b m b:  ...x 4.Wx dxc4 15bxc4 5 Bc hs  r comtbl gm 1.cxd5 Wxd5? th s lso ohig wog wth  cxd5=) 14fd Wh5 15.d2  16.d Bolboch  Drg Moscow 1956. Now th smp 16.b6N 17 .h 6 wold g Bc  r sod posto. 1 ... 4c W6 is is  ic sqr r h blc q. 15.f dxc4 16.bxc4  Noc - Dorm Grm 200 ws grd drw hr but pl cod h cotid wih th smpl d srog: 6...5 Blc hs good pl. 10W x d2   Wxd2 Or   .xd2 d7 2.4 dx4 .x4 Wx 4 x4 4..5?) 5.Ex4 6 6.2 f6 wh qli Br - Gigoric Lugo 970.   .. .Wxd2  2.xd2 d t s hrd to blv h ht c ght r th dtg withot qs. 1. 6 14.cxd5 cxd5 15. Fortos - Soos Polic Zdroj 196 d ow jst: 1 5...6N  6c c 7 h O 7c4 f. 17.f 0 .Wc d7 1 1 .Ed ht hs lso trd 1 1 .x4 x4  2.h but  2 xf  x 6 Bc hs o probms. Idd hit mst b cr o oid big wors r xmpl: 14.Wc2 dxc4  5bxc4 b6 164 c5 Bc ws lrd bttr  Goros - Groszpr Zlros 2005.   ..h6 12. c

5

.x4 .h4 dos o cs Bc  problms s h c js p  ...g4.  ...x4 4.Wd2 4.c W6  5.5 is mor mbitos bt Blc s si doig : 5 d 16x4 dx4  7.xd7 xd7  .Wc2 f5  gm s blcd 4  .Wxd2  5.xd2 xg2  6.xg2 g7 hot qs h positio is ql Ar - Gfld Moscow 969 lO...d7 1 1 .b4 Ar   .c I l 1  ?  2.b4 Wd Wb odorcc - odrigz spds Mlg 197 d ow Bc shod co wih: ..d6N 4fd 5 or 4 ..xd2  5xd2 5) Blc gs xcl wht h ws wtig cop o h qsd. 11...ds  pfr his clm rr o   ...W6 wh th blc q c b  bit lrbl Pl m co: 2.c h6 12.b6 .c5 4 14 oos dbous r Bc) 1 xd2 4.xd2 d 15Wb x 6.x Wb6 7cxd5 cxd5 .Wxd5 f6 Kir. Gog - Fc V 197 d r 9.Wg2N c 20c4 h hs good compso r th xchg 1.b3 Othr possibs r:

54

Fino Sym

2. b5?  3.xd5 cxd5  4.4 Nhr 45 b6 or 4h4 b6 5xf5 f5 gv Bc y probm.

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14...5N  hs wy Blc c v gh r h dvg; r 4...bx4 15.Wx4 b6 16W6 Wd7 Bc hd qizd i sshovsy - Dvortsy Lgrd 1 974. 15xb5 Blc obtis r prssr r 15.bx5 Wx5 16xb5 Wxb5 1 5 . xb4  6.Wb3 W5  7.Wxd5 b6 i is v slghy btr r 17.W2? 18.Wb3 Wxb3 19.xb3 2 20. d6 2 1 .fd2 xb5 22.c4 1 8Wb3 Wxb5 t wll v o sow som ccrcy i ord o hod th bc.

Blc ss coct py o th qsid r s  sold lttiv i 2df6 3Wb3 Wd7 4.fd 3 5cxd5 xg2 6.xg2 Wxd5 17Wxd5 cxd5 ith qity Sidy - Glgorc Los Angls 1974 3.Wb3 it cot go r 135 Wxb4 14.3 Wc3 13c5 14dxc5 dxc5 1 5W3xb2 16Wxb2 5 7.b5 fd8 Blc s  vy sod positio 12c5 t is rd to biv ht this is  good d.  t  rlsd  tsio i t cr Bc shod strt py o t qsid 12 b6N (oly 12 ...xd2 s b pyd r) 13.Wc bxc5 14dxc5 (14bxc5 b8 is xclt r Blc) 14 ...5 5.4 xd2 16Wxd2 g4 1 7.h3 6 (or 17 .. .5?) 18f4 xf4  9.xg7 xg7 20.Wxf4 Wf6  posio is cl 1...b

12.4 Wb6?N

13.cS Tis is rcd sic 134? rs io 3 ...dx4 14.xc4 6 d i oss mri 13...d 14.4

55

ap 5  ar Sv Mvs t s _lso td 4 1 xd2 15xd2 c7  6 5 (is is v tl bt st plig 6 d8 s lso wot cosidrig) 175 x5 18.4 4 19.x4 x4 20x4 8 Blc d cd comrtb qlt  c  Gozz Zmor Koszg 1996. 14... es 15.fdl eS

g t cpw ms  lot o ss oc t s dvlopd s qs igt to c; rgig t pw will ot b stigtwrd d morov   b5b4 c b  sl rsoc  Bc. it ow cooss om Cl) 8.e4, C) 8.4 d C3) 8.eS Cl) 8.e4 bS

is srs t it wil ot gt t pw bc i t mmdit r. I m opio Blc s good ccs o gtg r t dvtg om s postio. 9.el Or optios r

9.2 t is imig to plc s roo o d  , bt br  c do so Bc crts cocrt p o t qsd 9 ...b4 0.4 7

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  

1 05?N 10 ..6 .c5 b5 s b pd i  cop o gms bt I blv tt t cold ow obti dc p r t pw wi 124N bx .x c 14.d cxb2 5xb2   .c5 d7 1 2.xc4 2xd7 xd7 vs t witot mc compsto. 2 ...xc5 xc5 xc5 14c5 d7

5

Fianchtto Systms

It is car that t is Blac who s ghtng r th advantag.

I thin that Blac s dong vry wl  xampl

95 d5 10a4 (1 0.4 Van Goo- ndbo Maasticht 0 1 0 is bst mt wth 1  ...a6 owd by ...b6) 10...b4 1 1 .4 a5  . a6 13c b6 14d 6 1 5.c  Asc  Dinic Nis 1 995 Bac shold now play 1 5d5 wth a car dg; h nd not ar 16h6 bcas 16.. .5 is a strong rpy.

1c  ratnng ...g4 17  18bd �b8 Bac has xcllnt compnsaion. C) 84 !

9 10e5 b7 1 14 b4 1blN  obvios mprovmnt on th gam Bagatrov  oja Izm 003 1  a b3 3.c3 b4 4.xc4 ht cannot do mch aganst th nght comng to c so h trs an xchang sacric 14...c 53 xa 6.xa g4 7.5 x3 8.3 Hr Bac missd th strong 18aN 19a3 (or 9.d x5) 9...c5 1e8 13xc4 xd4 14h

9.e4

Othr attmpts aso ll shot 9a5 d5  0a4 db4   a Snanan  A. Yong Intrnt 010 and hr Bac cn pay r xampl   ...xa xa d5  3.3 Wb5 4.d d8 5c3 5 I do not s any compnsaton r th pwn H I nd an ntsting xchang sacric. 14c5  14.g7  5.bd c5 6.c ht has som compnsation r th pawn. 15x @x

95 s wll mt by 9 ...g4 104 b4   .h3 x5 .dx5 b6 3h a5 14.d d8 Hinatz  Hirn Grmany 1 998. 9.h3 d5 104 has occrrd wc and n both gams Blc xchangd ights bt I biv h shold p: 1  ...db4N  1.3 d3 b3 6

haptr  - ar Svth ov 9...b4 10.eS e 0? is also worth cosidrig 1 I.e3 d7 1.f4 xe5 13.dxeS S!+ Hardi  Spilr Nwport 2004

5

7 6

�



C3) 8.eS g4

87 65 43 2

2

a        4.�d5N is alows hit to xchag his ight r ths bishop bt oly at th cost o waig th d4paw  5.c5 Wc8  64 �6 1�3 d8 Blac has th advatag

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 da that w hav alady s ar 9 5

i 2 abov

9.f4  mai altrativ is 9xg4 �xg4 10h3 10d5 cxd5 1 1 Wxd5 Wxd5 12.�xd5 c6 3�xc4 3ac8 14g2 tsch Kwatschws Astra 1994. ht has maagd to rgai th paw but th pric has b hgh ad th blac pcs ar ow mch bttr coodiatd I bv ha Bac cod ow icras hs prssr with: 4 .dN 53 �5 16�b3 a5 10.�6 1 1 .3 ht has som compsatio bt t s hardly ogh ad I dy prr Blac H is o xamp o how pay may go: 1 1 Wd7 1 2h2 a 6 13 a3 Prvtg b4d3. 3..c7 44 Virroh - Mllr Bad dbad 998 Now I  th smp

9 ! Althogh 9 .x is mor poplar I s o raso r rshig to xchag as hit is shot o sl movs. 10.e3 xeS 1 1.eS  b4N is is a improvmt o 1 c5? is mov icrass th powr o hits ight sqard bshop ad is rarly a good da  ths l. 12b3 cxb3 13b3 b4 4�a3 ht had dct compsato r th paw i I Schdr - Karpatchv Bad orsho 2009 1.b3 e 13.e4 d3 Bac rtas th br chacs

cl Both 7Wa4 ad 7bd2 ca b catgorzd as soid bt ot too dagros ad Blac ca xpct to qualz qit comrtaby By cotast th mor aggrssv 7c3 ors a paw sacrc whch I rcommd Bac to accp. Althogh hit gs a crta amot o compsao  various ls  o o thm is  ally ogh

Fiachetto Systems

       

7b3

Variation Index d4  24 g6 3g3 6 4g2 dS s g7 60-0 0-0 7Vb3 7Vb6 A) 8S B) Vxb6  3 d C) 9xdS C2) 9f4 C3) 93 C4) 9d CS) 9h3 C6) 9S A) e 14el?

59 59 60 6 6 62 63 64 64



C3) e 1 1  3

C) e l 4

   

         1 4b

        l l 

        1   fS

5

apter 6 - 7.b

1d4  c  3g3 c 4Jg dS Sf Jg7 0-0 0-0 7b3 Qite a popa ine at GMeve 7b

8 7 6 2 1

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Tis is a ematic esponse o Whites qeen sotie in positions wi a Sav pawn sce and it wos we  Bac ee. Whies opions ae te pemaue A) 8cS B) 8xb and C) 8c3

A) 8cS xb3 9xb3 I ave deveoped a se e  is pawn

stcue: if Bac manages o sop Whies dangeos idea of b4b5 en e wi have absoue no pobems.

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14el? Te cosed pawn stcte maes te position i dawish and 14.g5 sod aow Whie o maintain te baance atogh e wod si have o pa accae 14bN Tis is an impovemen on Ens - Ami Goningen 200 and aes advanage of Whies as move; e hea of Ja6 poses seios pobems  Whie de o e awwad pacemen of his mino pieces 15£ e 1 bxcS Bac is js a pawn up. B) 8 xb b

9a Sopping Wites on idea. Bac wi now pepae o advance his epawn wic soud give him cances o gh  the initiaive 0c3 d7 11�a4 e 1  .e4 dxe4 1 2.xe4 ese  Bainov Gaz 6 simpes is e cam 12..f6N 13c3 b4 and on Bac can be bee 1 1  eS 1e3 c7 3Jd e4 a

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Fiancheo Sysems



This is aso a premature decsion, since Back can use the semopen ale to generae play on the queenside. 9.d5 xd5! Back is aeady aspiring to an advantage; he is not satised wth the more symmetrca poston aer 9 .. .cxd5.

C) s.t c3

This natura move is the ony way  White to ght  an advantage. s... �ds I have aways considered 8 .f5 to be an equay playable coninuation, but ecently Whte has und some new deas against it. At the same time Whte has been struggling to demonstrate any advantage ae the rook move hence my choice of it r ths book

Whte now chooses om a wide range of approaches: Cl) 9.d5 C2) 9.if4 C3) 9.a3, C4) 9.�dl, C5) 9.h3 and C6) 9.cS White has aso tried 9xb6?! axb6 0.cxd5 Ths s quite hamess, since Black can recapture on d5 wth hs pieces. 1 0  xd5     xd5 �xd5 ! a

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10.e4  c3? alows Back good pay 1  ...xc3   .bxc3 e6  2a3 d7 1 3. d2 b5 14e4 f5 15g5 c4 Black was clearly better n Palme  Kraus, Krchheim 1 947.

 .d2 c5 (1   b5  1 .c3  b6 aso ooks ne r Black, Lundvk - Erksson weden 2003)  .e4 c7 12.c3 b5! 13dxc5 xc3  4.xc3 Ree - Mosieev, Amsterdam 1 967. Aer the natura 4 ... bxc5N Back would be clearly bette. 1 0...b4 1 1 .t a3 t d3 12.t c4 We have been llowng Levitin a Kasoshvili, Naeczow 1988, and now Back coud mpove her play: 12... t d7N 1 3.�dl xcl 14.�dxcl b5 15 .e3 t b6 Back enjoys a comtable edge wth the bishop par

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: 3

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One of he ideas behnd 8 �d8. The ook can be very usel on the h ank, and I thnk that Black aeady has the better chances. For exampe 12�d 2.e3 �d8 13.d2 c5 14c3 c6 15.e5? This s a serious ero, ahough White's position was aeady unpleasant.  5 ...xd4! 16.exd4 cxd4 17b4 xe5 1 8.xe7 Kavaek  Ogaad, Mania 1 975 No the smple  8...�d7N 19b4 d3 would leave Black with a cear advantage

ha  - 7b 12..b5 13.e4 e6 143  w ogozko - Dochev Debece 1992 d here Bck hould ply he url 4..d+ Bck' queede preure gve hm he beer chce Cl) 9.dS xb3 10.b3 xdS

t i  clever de o chge the pw rucure i hi wy  hte my hve probem i he tue wh his b3pw 1 1.ig @ Tis i more eible th  1 ..f6 whch block the log dgo d mke the drk squed bishop pive. 1.�fcl hite ried 2.fd  Greefeld  Nt Albufe 1999 d hee I would recommed 12 .. h6N 3 .d2 e6  4.e3 (e 4 .e4? b4 hite pws become eou trget) 146 Te potio i blced.  ...ie 13.id h Defedig git hie' de of g5. 14.e3  d7 5. el xc3 A wetimed echge.

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1.�xc3 Uuy r hte he co recpue wh he pw 6.bc3? c5 he  i rouble

87 65 43 2

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1...gS A mulpurpoe move whch rey ppel o me. irst of l Blck ke coro over he f4qure preveg he' de of d3f4 ecody Blck  plg .. f5 d o he vace he g6qure   reret r hi bihop i the eve of e3e4 17. d3 i Blck ide i to ply ...e5 o he mut rec quckly. 18. cS  xcS 19.�xcS ig 0.ic3 e 1.b4  .�cS Neiher de c mke y progre i th poito o it i o urpr tht  dw w agreed  H Nee - dbov ripoli (22) 2004. C) 9.if4 dxc4 10.xc4 ie

Grbbig the bpw obvouly ook riky hough I do' ee y efuto   ...Wb2   g5 (or   .b  W3 2.g5 e6 3e4 b5 14Wd3 b4  5b3 W6  6.Wf3 bc3  .b8 c2 d Bck eem o be dog wel i hi

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achtt Sytm

messy poso Vchier Lgrve - Sver Moscw [b] 20  0)   e 2c e8 3b W3 4b8 b8 5c 8  g2 We Bck h  comrbe gme i omchko - Pikov, ees 2009 1 1   

87 65 43 2

1b4 ecey Bck emosrte other route to equat: 2c5 134 Wb5 4c5 c5 (14c8 my be eve stroge) 5c5 (5Wc5 We2 1We 5 is goo r Bck)  5 c8 f  t  5 84 4 94 f4 20gf4 Wc5 21 Wc5 c5 Alekseev  jbov, Astrkh 200 134 bd5

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Bck coiues to cve hs mor pieces, usig the sghy mspce poso of he whe quee o hep geere couerpy  the cetre 1c Nor o othe moves pose Bck y serious probems:

1W2 c5 3e5 c4 44 W5 1 5f Mleti - Kpss Povv 2008 Bck shou ow py: 15 b4N Wf4 (er Wg5 Wg5 g5 c2 the compctios re  Bck's vou) c e3 5 85 5 Bck hs srog pessue o the queesie 12e5 c5 3Wb5 Wb5 (the immete  3  5? lso comes ito coserto) 14b5 c4 5c3 Mlet - Vokrev, Nih g 200 Bck s og e,   simpe cotiuto s  5  5  g g 15 5 8f c8 with equt

14  xf4 154 id5 Bck c so cosier 55? wih the tpicl e of  Wb4 1e3 = Bck hs  etemey soi positio, Sgssi  Guseiov, Dub 2005 C3) 93

At rst I though h ths move might be worh pyg s he, but e evig eeper io the poso I ow fee th Bck s oig e hee 9dxc4! Obviousy the most picipe cotiuto

3

hapte 6 - 7.b 10.Wxe7 e8 11W3 I dot see much poit i:   .°d6 f5 ( .? so comes to cosderto) 1f4 witchg to the kigside bu he quee is ot wellpced here. 1... (so possble is  bd?)  3h3  b4  4.g4 bd5 15.d e4 1.d5 cd5 1.f4 e Blck hd  cler posito dvge i Burmk  Midou, Poo  Gorgo 00

13.. b4 14.Wb hite c rce  drw with 14.4 b5 5.c3 b d tht my we be hs bes opio 14 ..i 15if4 e4 e hve reched  very compliced positio  which Bck s  es equ.

 9dl i Itoducg he possibily of  b3 llowed by c e erves re weker:

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9 ? rus o  0.b ab  1 . 4 with  cler dvge r he, rkev vider Moscow 00. 9 b3 0.ab3 f5 1 1 e s sighly beer r hte.

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11...N I like his tur developig move, with the ide of jumpig to b4 Iletsko  che odes, emi 008, coued   ...f5 14 6 d ow eetg with 13.d is strog te iteds to ply  he cete, whe he bck quee s sighty mispced o  1.b3 cxb3 Iitly I ws temped by he immedie 1  b4 but the I dscovered he lowg ide: 3.4 b5 4bc4 c4 5.b ab 8 I do hk ht Blck hs ll compestio  the echge. 13b3 13b3 s possbe but er 13...b3  4ab3  b4  5.d 5 Blck s doig very well.

10.el e m tempt o gh   dvge. Absolutey harmess s:   b6 ab   cd5 d5 .d5 cd5 (his s safe, but I prefer he combve ...d5N whe he rook my become ctive o he 5h rk) 3.f4 c8  4.e5 e Jkovc - Muslc, Pu 00

87 65 4

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aco Sysms

64

Forcg h o ras h so i h c. I am o o covicd by   ..dc4   .c4 a6  2.4 I  o ca ha Back ha ough courpay agas h wh cr, Iarkv  vid, Asakha 20  0. 1 1.c5 xb3 1.xb3  bd7 h mor typical 2a6 wa alo miod by aaf  Chess Inant 79 as a dc alav 13.b4 = Black had abouy o pobm i c aaf, Vchy 2000. C5) 9.h3

h is uly oo mods o troubl Back. 9ie! I ik his mov, whch cs h to ca h ituatio i th c 10.c5 Aoa has id 0.g5 f5   .b6 b6 2.cd5 d5 34 (mo advisabl is 3.d5 cd5 14g4 c2 5.3 c6 6.fc a4  7f3 wh h is vy lighly wo, but h should b abl to hold) 3..c3 14.bc3 d7 h wakns of th apaw gav Black h advatag  Aoa - Ivachuk, ik aa Z 2006.

10xb3 Back ca v cod 0...a6? wih h da of udrmig th wh paw chai wh ...b6.    .g5 c8  2f4 h6 3.f3 6 h poio s vy compcad, bu Black m o hav aoab chacs. 1 1.b3  h  h hmac rpo o hi c4 c5, bu th i othg wrog wh   ...bd7 2.b4 a6 3.f4 4 YY  Hovah  Numa, Aschach 2007. 1.if4 d7 Back bgis to ppa ...5. 13g4  14.g5 g5 15.xg5 i!

87 65 43 2 a

b

c

d

 f

g

h

h poitio i roughly balacd, bu  Ippoo - Atal, Lubbock 2009, ht was tmpd io om icorct compcatio 1. @x 17.ixd5t? d5 18.c b4! 19.d7 ixd4 Black is clay btr C 9.c5

h  th mai cotiuato accodg to hoy. a

b

c

d

 f

g

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9 xb3 10b3 

65

hae hae 6 - 7.  we hav aready see, ths s a stadard reacto to the advace of the whte cpaw. 1 1.Jf4 1.Jf4 hs s very ogcal, preveg ...c7 ...c7 low lowed ed by . . a6 hte has also tred: 11.h3 d 12.f4 e8N Black Black ss pag .. e5 e 5 hs s a mpo mp oveme veme  o the rather passve 12... 12...f8 f8 13.a4 f5 1 4 4    e6 reg regubov ubov - Vorobiov, orobiov, Moscow 2004 Hee smply 15.e3N c2 16.a3 would esure the beter chaces r hte, due to he somewha prolemac poso of Blacks Blacks lghtsquared bishop bi shop.. 13a5 13e4 e4 14e4 b4 would gve Back good play 1 3 .. . . e5 14.e5 14 .e5 e5 1 5 .e5 .e5  e5 e5 1 6e5 e5 1e3 c 184 a6 Black Blac k has equaled equaled comrtaby comrta by..

87 65 43 2

2.a3 e8 3.h3 f5 14c e5 15e5 e5  6.e5 hs ws played played  A. A . Peros Perosa a - Lampe Lampecht cht,, Germay 1994 1 994,, ad ow thee thee s o good reso  Black to rea om the obvous 6.. 6..e5N, e5N, gvg hm he bete chaces 2.a4 e8 3.fd e5 Oce he carres ou  e5, Back ca epec o be b e a east ea st equal. 4.e5 e5 5.e5 e5 16.e5 e5 7e3 f5 18d2 c 19.b4 ae8 20.c3 a6+ Black eveualy wo  Gaguashv sess, Nov Sad 2009 1 ...e8! ...e8! hs s a mporta move. It s o so good o rush wih he epaw 12  e5? 1 3.e5 3. e5 e5 4e5 e5 5e5 f5 6.a5 c2 1.d4 b3 8.f4 he had he beter chaces chaces  Aoa - Svde, Svde, Beeshea Beeshea 2005 20 05.. 13.e4 he s o preve ...e5 ...e5 wth  3.h3,  vew of of 13  f5  4 .g4 e5 e5  1 3...dxe4 ...dxe4 14.xe4 b4

a

b

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



g

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l ...  ...dd7! Back prepares prepares he hemac hemac ... . .e5 1.fdl Oher moves

12e4 s que sky om a posioal po of vew, ecause he gves up he d5square ad hs d4paw becomes a arge; aer 12 de4  de4 13e4 f8 llowed y f5, f5, Back has he much easier game.

a

b

c

d





g

h

I do elieve ha Back ces ay problems  hs poso. 15.Jg5

66

Fian sms

h as as rid  rid w hr h r mvs mvs .c3 f6 16 6 17.d d8 8.c4 bd 9.a3  0da a6 Back s n, and n c wn n  wn n  n Bcarv - Kamsk Kamsk, KanMa KanMansisk nsisk  00. 00 . 1.d d 6.c3 7f6 17 6 18c4 Ed8 9. 8 0.a d7  psiin psiin s abu qu qu,, akav akav - vid vidr,r, ussa ussa 007 1 5 h h   ..... .  f6!? 6! ? s wrh cnsdrng. 1 d c!? r is nhing wrng wi  naur 1 6 d.  d. 17�4

 hav bn wing h gam rgubv - Vahir ahir Lagr Lagrav av,, Paris Paris 007 Hr Hr  cmpur pins u a Back can pa  cm: 1 7!N 1 8 c3 I ranspirs ha Back nd n b aad f 8.c, as 8... 8...f! f! 19.c3 6 0g4 d3   .3 f gvs im a srng nav. 1 8   Back has an cn gam, anks   wng in: 1 9h4 9 h4 e e 0d ed8 ed8 1  1h h  Back has h br cancs.

c  av kd a a wd vari f pins r hi n s 8 and an d 9 mvs, mvs, bu av av und i  rub Back. I wud us k  draw  radr's anin  an impran hm ha faurs in svra f  ins in s capr n  advancs c4c Back ms invarab racs b canging quns, paing ...a6 ...a6  rsran  wi bpawn, and n ppaing ... .   s sud sud scur m a as qua cancs, vn ar sng a mp wi ...d88. ...d88.

Fiachetto Systems

       

he exchge on d5

Variation Index 1d4  24 g6 3g3 3 6  6 A) 4 4  B) 4g2 dS B) S B2) SxdS xdS 6 3 g g7 B2 B2  ) 63 B2 ) 7h3 B212) 7e3 B22) B22) 6 6  g7 g7 B22 B22 ) 73 B222) 7eS e4 B222 B222  ) 80-0 80-0 B2222) 8d2 B223) 700 00 B223 B223)) 83 B2232) 8eS B I ) noe o b3

68

69

69 70 70

70 71 72

72

74 74 77 78

78 82

B222 l noe o l 5e5

B2232 ae ae 1 2e3

       

       

20 h5N

 2f6N  f6N

68

Fanc sms

Id4  c4 g6 3g3 c6 In is capr w sa b cncnraing n  ins n wc  cangs pawns n d i as a wd rang f mv rdrs a s dspsa and Back mus n rac prcis in rdr  avid ndng msf in an undsrab varan. Hr  css bwn A) 4 and B) 4g A) 4

s w n ransps n B, bu w sa k a sm ns wr  das  dvpm dvpmn n f s kng's kng's bsp. 4 d5 5 .d5 d5 6c3 6c3 g7 7. 7. e5 e5 7.g 4 s n B bw 7fd7!  fd7!  nd i surprisng a s mv as bn pad n v ms m s as I nk a i is a gd wa  avid   varans varans arsng arsng ar  . . .0-0 8g 6 9.0-0 fd7 0f4 c. Aug Back is sid pacd in s wkwn n I am prsna n  kn n is prspcs and s I av dsignd  rprr  avd s pssbii.

8d d 9.g 6 0.0-0 0-0 Dspi  rari f Back Ba ck's's  mv is psi p sin n as ccurrd nar a undrd ims in pracc, via man r mv rdrs  cann s an da a r rss  cancs f an advanag. I k  wng usraiv usraiv amp: amp:   b3  c6  .3 . 3 Wa  3.d Wa6 4 .  c8 f Wa3  psin was pr v  Izria - Ivancuk Yrvan rvan 004 00 4 8d Wa! 9c3  10.d    d d Back as n prbms ar   .g 0-0 0-0 c6.  ..  ...d .d!? !?  nrsng da  bisp is adig r c6 wc wi rc  cag f  igsquard bisps. r is as nig wrng wi  .c6 1g2 00 Hr  amind a nic varan 13.d (3.0-0 d8 vn ks br r Back) 3... 3...Wd8 Wd8 4.6 8 .Wd d4 6- 3! Back quazs cmrab .g c6 13.d Wd8 4.f4 f4   .f . f44 Wa Wa  6 .Wd2 Wd2 Wd2 1d2 1 d2  g2 g2 1 8.g 8. g22 c6  psin s absu qua A draw was agrd agrd in Bca B carv rv  iz Dagm Dagmss 008 0 08.. 8 xe5! xe5! s s was was pa pa dd n bnik  Bsici Bsicic c Ausria 200 Prvus Back ad rid: 8 ...6 ... 6 9g c6 0.0-0 Wb6 1 .3 00 a as ranspsd in  rica  a w ar ar ring  avd Drask - Kz Zadar Zadar 00.

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8.f4 s ks  ms cangng. Or pns p ns ar car car n dangrus dangrus r  r Back:

9e5 Ar 9.d d4 0.4 0-0  .g c6 .0-0 Wb6 (r 2 2f!?) f!?) Back is crai w in  gam and ma vn b br. 9 ..e ..e66 IO IO g 0-0 1 0    c6? s prmaur prmaur n vw vw f  4!  4!

apr 7 -  cang cangss n d d

69

 is mv i s gra panng  cag pawns in  nar u avig smwa imid Back's pis  mmdia 6.cd cd s  B. e4!  e4!  av  pa a  's mv d r amp  naua 6 ...0-0 ...0-0 wud aw 7.cd5 cd5 8.c3 8. c3 -  vaiai vaiai w w a aimng  avid. 7  8.b3 Usua r s 8cd5 8 cd5 cd5 cd5 adg  B B   k a a fw fw  pins: pi ns:  sa k

c  av aspsd  B3 a  d f  cap B) 4g dS

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 man ciuain s  cag f paws w bu w sa as k a wa appns if i mprvs is kgs kng s: B) 5  B2) 5.dS B) 5 ig7 eS

8.c3 Qu a sk appac. 8 ...c3 ...c3 9bc3 5 0 c4 i's bisp pai is n vr aciv and Backs ps mas qui sid c Back is app  g n an ndgam:   6 6 Wd Wd 1 1 d d 8 1 1 ... .. .Wc7 Wc7  .6 d8 3f4

a       h s s was was   Acui aps  999. 99 9. Back sud av cnnud:  3    a6N ' 'ss pa p a ds    k  k fa fas ug.  ug. 43 O  4.ad  dd  1 d  c5  63 f5 74 d7 and  d3squa s sigica.

70

Fianc sms

4  Wb6 1 5 .h W3! I is n ca hw i wi wi  ca ca pa pa ad mawh h s a pawn dwn. 8b3 d7 9.b (a 9d7 d7 0.b 6 Back has h as cmab cmab pa p a) 9   5! 5 ! 1 0.5 0. 5 6 6  1 .Wd3 f5 f5 1 . . ff6 (  .cd5 Wd5 3.Wd5 d5 ads  a baacd psii) 1 1f6 f6 3.cd5 d5 Back's acv cmpnsas  his sigh damagd pawn sc 4.d5 Wd5 15.Wd5 d5 6g7 g7 17d c3 18.g f6 Back had  pbms n Znamnack Dza Czch pbc 008 8dxc4! A wimd pa.

1 xeS xeS 13xeS 1 3 5  f5 1 4.3 c8 s as n  Back h ma b ab  pa  c5 n siab ccmsancs 13 bt bt 14hl !  ! Back had h b gam n akiv Bsicc jka 010. B) 5cxdS cxdS

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h

i ma dvp h kgh: B1 c3  B)  B1) B1 ) c  c3 ig7 ig7

Usa nw s 7f3 (s B) b I wi as amn w min das B11 7h3 ad B1) B1 ) 7e3 B11) 7h3 9 d 10eS A cca cca  s: 1 .d6 . d6 d d66   .d5 Ohws Back w w  pa p a ..... . d5 wh qai. qai.    c5  c3  c3 d7 Back Back has has a gd Bnn as h has managd  chag a pai f knighs IO ie llc d7 1f4 af af s  .  d7 b Back has a pasa gam a 1 1 d7 d7 13.d 13 .d Wb6.

hape 7 - he ehang ehanges es n d d 7xh3!? xh3!?  ike his decis wih his ighsquaed bshp echaged Back ca devep his he peces ver ara Back ca as pa pa 7.. c6 8.f4 e6 90-0 0-0 10.e3 b6 11b3 (r 11.d2 b7 12.Wa4 We 13.fc fc8 fc8  4e 4e  a 6 wih a  ea ea game Jr Jrvsk vsk  ema ma, K Kav 200 1) 1 1 ... .. .a6 a6 12.e 12.e  c8 13 .a3 .a3 e8 14.c  = ah ahb ber ergg - h hrr Kemeri 1937

71

10b3 Or: 10.f4 e6 11.b3 a6 12.e Wd7 (as quie gd s 12 .  .We 13b2 ac8 14.Wd2 fd8 15.ac e8 16.d3 d6 7.a3 Wb7 ad eiher sde ca make rea prgress Pachma Pachma - amav amav Msc Mscw w  9 56)  3 a3 fd8 fd8 14 1 4c c ac8 ac8 1 5 h4 We8 e ps ps s eve eve Cekr Cekr - Kz Kz Zaibr 198 1 989 9 1 0

8xh3 c 90-0 0-0 10e3 e

8  6 .

32  a

b

c

d

 f

g

h

emembe ha dug he game I fe his psii was ve eas r Back  pa. I

1 g d7 1b3  133 1 33 e8 14c 14 cll c8 15'd '5 1d 7!? 16 ..f8 .. f8 is gd enugh as we. 17bl e empg 17b4 is a bi dubius since aer aer 17 . Wd8 Back can easi ge hs kgh  he c4suare 17 xd 18 1 8xxd  b5 1 9b4  YY dma dma  Avukh vukh German 2008 20 08 B1) B 1) 7e3 00 00 8ge 8 ge c 900 b b

B devepg his bishp  a6, Back w secur securee equa chaces chaces    a cmpe game gam e

1 3 e8 1'd Mre re accu accura rae e is: is: 1 2.c 2. c c8 1 3.e 3. e  e6 e pa pa s much he same as as we saw aer  0f 0 f4 4 ad a d he psn s  s cea cea baaced. baaced. 1 e5!?  e5!? s eads  a mre neresing game ahugh f crse here was hng wg wh 2 2e6. e6. 13dxe5 xe5 14fdl? s s he wng rk as i eaves he f2 pawn nadequae defeded. he shud pa 14ad Wd7! (as neresng is 4  Wc8!? Wc 8!? as recmmended recmmended n he annans in ChessBase 5.Wc2 a8 6.Wb Wf5 (hs s smper han 6... 6...Wg4 Wg4 17h3 f3 18h Wh 19.f4 Wh6 20.cd5 f 21.f6

Fan ysms

72

f6 f wn  as dn mpnsan r  cang) 17f5 gf5 18.d 4 194 4 0fd    . d8= Back as n prbms

B1) 7.c3 e4!

Ts s ssna as 7 00 8.5 c agan ads    a w ws  avd

8 7 6 5 4 3 2

8 7 6 5 4 3 2

1

a

b

c

d

 f

g

h

a

b

c

d

 f

g

h

14 ... ! 15.c x! 1.@ g4t 17.@gl xe3 18.d xg! 19.@xg d4! Back's aack s dcsv

8.b3 T ma cnnuan s 8.0-0 0-0 wc w b amd  B31

0.xd4 b7t 1 .@ d7  dcdd  was m  ca  a da   Byn - Fscr Nw Yrk 1 963

A rarr arav s 8.4 4 9.5 ad  sc  pas av' casd, Back can g r 9  5 1 0d5 d  1 1 d f5.  s kg  d  sms unab  ps Back an prbms r amp: 1.g4 g4 134 ar 13 ..c6 14.c6 bc6 15.f3 0-0-0 16. 6 173 b7 1 8. f d5 19c d8 T gam s absu qua Maramzad  df ad Bau 1997

B) . g7

8 ... xc3 9.bxc3 0-0! Ts s ms accura sc 9 c6 us  10.d 6 1 a3 as was sn   wknwn gam Karpv - Gd ag Nagar ( 1995. 10.0-0 A p s: 1 d 6 1 1 4 c6 1d5 (1.0-0 anspss   ma ) 1...a5 13.b4 d5 14.0-0 b6

er 7 - e enge engess n d



  

i r'·, 

�

' 

a







  h

Bck s bsue n prbems, r insance: e r b 6 16e c8 ergej ergejev ev - Gek, Inerne Inerne 000)     e6 e6 1 6 f3 c8  7g W 1 8 ac a c fe8 Te psin was bnced in Geg - Mvszszan, Mvszszan, Cn Pic Picr r 008 00 8 1 0... ... c c I 1. 1 . d2 d2 is is e min mve Te ernves re armess, r empe:  f4  Wb4 b6 3d b7 14e4 de4 e4 c8 16fe e8  read prefer Back, wi e we c nd pwns prvding permnen rges, amsn amsnkn kn  Zbersen, Zbersen, dmnn dmnn 009 0 09 1 1 ...e ...e

8 7 6 5 4 3 2 a

b

c

12.e4 Que simar is: 1a3 e8 3e4

d

 f

g

h

73

 1e3?! ie is prbb ping  rr u e c3c4 dvnce, bu Bck is n me  preven i: 13 13  14Wb b6 1e 6 6e4 de4 17e4 c4 18c c8 Bck s e beer cnces, Grf  Krsen Krsenkw kw,, nen 004 00 4  3  4Wc Oer queen mves re pssbe, bu e dn' cnge e crcer f e gme 1 4 b6  b6 fe 1b4 c6 163 b7 (Bck cn f cur curse repe repe mve mvess wi  6  ) )  7 7 b3?! b3? ! de4 8e4 W Bck ws sg beer n mf mfee eeva va - Duer, Duer, e ens ns  99 99    b b 16e c8 7Wd3 Tis ws ws Nmbr Nmbr - e, an ranci rancisc sc 00, 00 , nd nw nw I ike: ike: 1 7 Wd Wd Bck wi p W4 W4 ne, wi  nice psn 1 2...5 ...5 13.b4 er 3Wc Bck as ws cnnues  3 b6  b6 4e (4 3 e8 rnspses  e previus ne) 4 4b b (4 (4 6 6 s creess aer ed ed ed ed  63 e8 e8 1 7e8 We8 We8  8d ie s jus  pawn up, am angreck, Kkm 000)  e c8 Bck s  gd gme

8 7 6 5 4 3 2 a

b

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1 3...b ...b I 4.exd5 4. exd5 exd5

 f

g

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Fiance Syem

74

e have reached an equa poiion ha we aw n he noe to he he 1 0h move above. above. B) 7e5 e4!

Once again we avod he varaion aing aer 7...00 ... 00 8.c3 e6

8 7 6 5 4 3 2

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hite now chooe beween B1) 8.0-0 and B) 8 B B 1) 80-0 00 9.c3

Back i alo dong okay agant he aternave: 9  f3  hardy a eriu   an advantage advanta ge 9 ... ... d6 d6 1 0 0  c3 e6 e6   .f4 .f4 f6 f6  2. 2.  d3 c6  3 e3   4.a4 b6 Back had comrable eqat n Johanneen Johanneen - Schando, Schando, okde okde 1998. 9. 9.  d2 f5 f5 Back doe not acheve eqalt wth 9 ...xd2 ... xd2 0.xd2 d7 (or 0... 0...c6 c6  1 .xc6 bxc6 bxc6  2 .b4 Kapar Kaparov ov  Howell, Howell, London [imu 998  .c3! 10xe4 0.df3 b6!  good r Black K Geogev Geogev - Donchev Donchev Prag Pragee  995 99 5 . 1 0 ...xe4 ...xe4

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  h

  .b3 .b3 Other move: a  .f3 f5 12e3 d7 13f4 f6 (there i ao nothng wrong wrong wh 13 . . .xe5 14.dxe5 e6 e6 14.b 14 .b33 b6 b6 1 5 .fc .fc  Go Go  ng ng,, Plzen 2000. Now the natral 15 15fc8N fc8N 16c5 xb3 17.axb3 a6 wold lead to an eqal game. b  .xe4 dxe4 12.b3 c6 13xc6 bxc6 ranpoe o the line wh  .b3.  .. .c6 .c6 Back cod   ...xg2 12xg2 xe5 13dxe5 (no 13xb7 g7 14.xa8 d! and hte  defencee agant he threat of c6  c6 3... 3...d7 d7 14.d d8 5f4 c6 Te poition  dobeedged. Howeve, if he wihe wihe hte can avoid avoid th poblt poblt  by ng he move orde   .e4 .e4 dxe4 dxe4  2b3 2.xc6 bxc6 3xe4 dxe4 4.d eake aker i  4.e3! 4.e3! b8  5.c2 5.c2 d5 1 6.d 8!  8! and an d he he comng ... .. . c5 wil gve gve Black Black the advantage, advantage, Snye Snye Neto  Illeca Cordoba Linae 1994.  4 ..b8 ..b8 15.c4! Bete Bete   5c2 d5 1 6.e3 6.e3 fc8 fc8 .b  .b33 e6 1 8.ac 8. ac a5 wth baanced baanced pa pay.  5 ...d7 ...d7 1 5 d5 d5  alo good.  6.b3 b5  7e3 1 .e3 wa wa  neceay, neceay, althogh ae  7... .. . d5 Back i dong qie wel  7   h5! Sdden Sddenyy   h3 h3 i i  a eo hea.

te 7  te t e excnge excnge on  18.f 8 19�3 5 20.c e5 Bck w beter n Zhikov - Vorobov orobov Mocow 1999. 9... .. .xc3 Ti i the eie roue to equlit. More complice complic e bu o goo enog enoghh i 9 . . .�f5 0.b3 c6 11 (1.x5 xc3 12.bx x5 13.�x5 xe5 14.dxe5 �xe5 Benko icher New York 1962

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Ti ecentl occrre occrre in he hghevel gme Mme Mmero rovv - vnchk vnchk Nlchik Nlchik 2009 20 09 nd Blck Blck mie mie he wellknown wellknown blow: 1 1 ...x4! ... x4! 12.x4 xc3 3.bx �xe5 4.x5 c he mu pl crell to ho the blnce. 5.�h6 �e6 16.�xf8 xf8 .c �x5 8.�x5 b6 19.�c4 Y-Y Kholmov Libezon khm 99; he nl poion  til lightl moe plent ple nt r Blck 10.c3 c6

5

11.xc6 T le o  mmercl n eve poon bu oher move o no oer he n vnge ether

 1 .3 . 3 5 12 h4 b6 1 3h5 �6 �6 1 4.hxg 4.hxg66 hxg6 hxg6  5 .�g5 .�g5 Gumn Gumn - Hor Ger Germ mn n 1 984. 984 . er he nrl nrl mprovemen mprovemen 15   c8N 16c 7 Bck eno he beer chnce hnk hnk o hi perio  perio pwn trctre. 1 1 .f4 .f4  5 (lo (lo worh worh con con er erng ng ii   .. .�e6! 1 2e4 (er 24  24 M Mc coo Mc Mchh  G G Lor Plm e Mlorc 2008 the tpcl 12 . .  b6N lowe b .�b7 � b7 n ...c8 ...c8 wod gve Bck the moe pen gme 1 2 dxe dxe44  3.�xe4 Neme Nemeh h - Jhz Jhz Hngr Hngr 1998. Now Blck hod pl: 3... 3...�e6N �e6N 1 4�3 (Blck needn needn wor bo  4f 4 f5 �xf5 �xf5 5.�xf5 �xe5! 14. 14.c8+ c8+ I do not ee n compenton r hte wekened pwn rucre. 1 1. ..xc6 ..xc6

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Fanhe Syem

13.3 13.e4 6 4.e e6 5.f4 d3! T  a mportn reource. 6.d6 (16.d dxe4 .xe4 xe4 18xe4 fd8 o ed o equity A drw w greed here n Schmdt - Averb erbkh kh Pon Ponic ic Zdro Zdro  95 95  nd ndeed ndeed er 6 . . .fd .e .e55 f f   xf8 xf8 xf 9f xf 20.xf b Bck h boluey no probem.  3 ...W6! ...W6!

 7 6 

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1 5 .h4 .h4 c4 c4 1 6.e5 he decde to block he ere ywy He  probby right right o o vod 1 6 .h5 e5!? e5 !? with good ply r Blck. 1 6 ...b ...b 1.Wd2 Or:  .h5 . h5 Wg5! W g5! A good que que  the quee quee.. 8.f3 (er 1.hxg6 hxg6 19.f xf 20.xf f! Blck my even hve n edge  he c c pl pl y r   c5 c5   ...f ...f 9.c Wd  Com - mp Hu Hung ngry ry 194. 1 94. I hnk ha in he  potion poti on Blck Blck td td beter; he w mee 20.hxg6 wth 20 ..g6!. ..g6!.   .f .f

2 a

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  

4.Wx6 x6 Te poon  very drwh.  5 .b .b  Or 5.e fe 6.c5 e6 .b1 f  .xf . xf - Mrin Mrin - Fre Freine ine  rie Nord Nord 2009. 15 ...xe2 ...xe2 16.xe b! 6 ... fe fe  .b . b led led o  o ome om e preur preuree r hte. .d6 xb .xb b5 19.f 6 20.f3 f 21.xf xf - Vier - Ntf Ntf Pu 200 20 0.. 12.e 12 .e44 6 6 (12 .. .. e6 i o reonbe 3.e W5 4.d2 e6 5.c4 Wb6 16.5 (I hik ite hould hve bee tied wih equity e 6.exd5 xd4 1.e3 xe3 1.xe3 d5  9.cxd5 9.cxd5 d  6..Wb2 ..Wb2  e3 Iig - Voigt Germ Germyy 999  999 Ae Ae  ...bN ...bN .exd5 exd5 Blck h lightly he better chce. 12 . .a6 a6 1 3�el 3� el es es 14.e 14. e4 e6 1 5.e5 ie h o tried

a

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



  

Ti i  key poitionl ide; e tding drkqured bihop Bck wll hve chce chce o penere o the queenide. 1  .xf .xf xf xf 1 9.f Ae he ul 19h5 Blck cn epod n  nere nereti tigg mnner mnner 1 9 ...g ... gxh5! 20Wh6 d3 21.Wxh5 g6 Hving mged to tbiize hi kigide Blck cn py o the queenide with ...W5 ...W5 ...c5 ... c5 etc. 1 9 ...xf ...xf 20.xf



hapr 7 -    xang xang n d d 20 .hN . hN i give Black a good game. t i a logca impove impovement ment on o n 20 . ..c5 .. c5 2 1 .h5 .h5  which which aowe aowedd hte attacking chance n regubov  Yandemirov Maikop 1998. 1  . . 16. @ 17.h4 g7? 18.l Black Black i not n ot aad aad o  8h5 8 h5 n view o 1 8 ..g5. .. g5. 1 8...e7 ...e7 19. L 20.fl e8 21 d2 d2 6 22.3 a8 23.l h5= agge agge - Mirohnch Mirohnchenko enko Autia Autia 20 1 0  B2222) 8.d2

1 2. xd2 xd2 and an d now there i an unexpected dea dea  1 2 ...g5 ... g5 1 3 .xg5 b6 b6 h hreat o  6 6  very trong 9 ... xd7 xd7 1 0. 0. xe4 xe4 dxe4

8  6 3  a

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11.e3  aso checked:   .xe4 xd4 hs is tonger than:  xd4 1200 00 13.g5 d8 4.c2 hie preseved ome pressure pressure n Pearc Pearcee  Zuev Zuev email email 2008 20 08 12xd4 xd4 3.0-0 a

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8 ...d7 ...d7 n my opinio opi nionn this i the mo accuate move.  am not satied with Blacks othe option:

8 .xd2 .xd2 9.xd2 d Hee nobody has ried 1 .c3 which seem to me to promie prom ie hite ome pressue. 8  5 5 un into 9x4 xe4 10.xe4 dxe4 b7 and  i  1 .b3 .b3 and he double atack on b7 mot unpleasant. d7  alo eamned 9.xe4 dxe4 10.4 but he hee Bck hs 0 .. .a5   .d2 .d2 xd2 xd2

a









  h

1 3 h3!N h3!N his is an imporant improvement er 1 3 0 0-00 14 .  d   66 Shando Shando - Suyp Suyp bjerg 200 2 004 4 he corec   .4 .4 woud w oud be unpeaant  Back o examp: 1 5 xb2 xb2 6. 6. ab ab   66 1 7 .xb xb7

Face Syem

8

8xb Back  domed o a pave deece. 4.xb 4d 000 5.d2 e5 i level 4 ... .. .x 15.xa8 xe2 .c d8 17.4 e5 Black doe doe ave ay problem p roblem 1 1   WdS WdS 12Wa4t Jd7 13Wa3 ic6 14

s

8 7 6 5 4

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9x4 Te mo cegig couaio. Ohe opo ae:

:

9.e5 rapoe o ie B222 9.b3 xc3 0bxc3 c wa examied i B221.

2 1

9 d2 xd2 T T i imple. er 9 . ..xc3 .. xc3 10.bxc3 c 1 4W6N W6N   .e4 hite ca g r a advatag advatage.e. Ti  imple. imple. Keee Keee - cor cor Ybb Ybb 10xd2  98, 9 8, aw aw 4 ... .. . 00 5xe7 xd4 1.xe4 he ca o recapure wih te biop xe4  7.xe4 xe xe44  8 .xd4 Black evetul  0xd2 0xd2 e   e3 (o (o   e4 dxe4 2e4 2e4 maaged o acieve a draw bu e ueed  c= c=  1 . .. .. c c e poio i mmet mmetcal cal e  e re  e  e game. ad abolutel equal.   e e   .b3 c c  2e 2 e3 1 5acl  Black ha a comable game. a

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B223) 7 

e ave arrved a a  croroad B2231) 8c3 o B2232) 85 B2231) 8c3 4

 oud be clear b ow, we w o avoid e le le 8 .. . c c 9. 9 .e5 e5 d 8   .e 9.e5.

hapr  - h xchang xchang  on d Ti eem eaier han: 12 12b6 b6 13a3 e8 14fc b 5b5 f8 6Wb2 Wd 1xf8 xf8 18f a6 19c3 Wd6= Dydy Dydyhko hko  Benaek, Caak Caak 2004 20 04 13a4 13a4 Wxd2 4xd2 b6 13  d 14a3 fc8 Black Bla ck ha l eqaiy eqaiy 9f4 9f4 xc xc3  0bxc3 0bxc3 c6   e5 e 5 O: 1b a5 12d2 b6 13e4 (aer 13c4 b 4e3 c8 15c Wd 16cxd5 xd5 xd5 Wxd5 Black ha ome advanage in a ypcal Grnfed poiion, De Goo Goo - Gek, Gek, re rech ch 1 999 13  b 4e dxe4 15xe4 Wd 16c ac8 Back had good pay in Juwano  H. Oafon Yeevan (ol 1996  a5  a5 I pefe h o   xe5, xe5, alhogh ha i obvioly good enough  equaly equaly 2e4 e6 13Wf3 dxe4 14Wxe4 c8 Black ha a comrable game, Muhrng aja, Te Hague 194 9e3 T i que qu e harme harme Fo Fo  exampe: 9 xc3 xc3 0bxc3 c6  d2 e  a3 I ke he llowing exampe  1e8 2d2 e6 13b Wd 14We2 b6 15fc ac8 16c4

he mpe 16 16dxc4N dxc4N 1xc4 d5  ne r Black 11e 2b  2a3 ranpoe o   a3 above 2b3 b6 3a4 Wd 4e occred n ikov ikovic ic  ono Gaca, Gaca, Lorca Lorca 200, 20 0, and here I nd a nice poonal dea: 14 8  8N N  5 We2 We2  d8! 1 6b2  b Bac Backk will will play play   d6 nex, wih a good game 1 2 Wd Wd 3c4?! Ti  a miake, alhough Back wa comrable anyway. 1 3 dxc4 dxc4 14d5 xd5 5xc4 fd8 16Wxd5 Wxd5  xd5 xd5  8 xb c5!  9d2 9 d2 c2 Black had he beer chance in Fonane  Nunn, aignon 2000 9e

7 6

3 a

a       h Man  Margve Margvela lahvi, hvi, lovdv 2008 20 08 Now

79

b

c

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 f

g

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10eS Le Le popula popul a : 0g5 Wxd4  1Wxd4 he doe no bene om delayng he queen queen exchange exchange::   xe  xe44  c6  2 Wb3 (Inaccurae  12Wxd4 xd4 3c3 g4  4e3 4 e3 Incc Inc c -V - Vaganan aganan,, Yere Yerevan van 2000 200 0 Here Back med he rong 14 14c2N c2N 5b fd8 wh he pon ha aer 6e4 b4 xb ab8 8g2 e6! he  n rouble 12 12b8 b8

80

Fianeo Sysems

i

7

6 3

t

2

b c d e f g h  3e3?! (hite probably should have preferred 13.f4 e6 14.e3 Wxb2 1 5.Wxb2 xb2 16xb8 xa 17xa7 g7 1 8. b6 and a draw seems likely) 13 ..Wxb2 14Wxb2 xb2 15ab d4 16.c5 xe3 17.e3 Allahverdiev - Radjabov, Baku 2005 Now bes r Back is 17...a5!N 18a6 f5 19xf5 gxf5 20xb8 xb8 21b5 b6 22.xf5 c8 and he wi suer in his endgame.  1  xd4 a

s 7

6

axb3 17.axb3 a2  8d2 xd2 19 .xd2 Smeka - Kadlec, Hlinske 1 993. 12 .c6 13c3 13 h6 d8 14.c3 e6 1 5fd  Berkel Schussler, Sockholm 1978. Aer 15 f6 it is hie who has to play carely to keep he baance 1 3.e6  3...d8 is aso good enough. 14 d2 ac8 15.fd Olszewsk - Zugc, Norh Bay 1 998. Smplest now is: 1 5...fd8N 16.ac Te game s us equal. 1 0...Wd5

I aso consider 10d7 sucient  equaity. I sha give just one exampe of typica play: 1 f4 f6 12.Wa4 f5 13.fd d5= Adiano - Peng Xiaomin, New Deh/ehean 2000 Ae 14 .d2 Black can mantain equaty wih 14 ...b6 15.Wb4 c8 6.ac a5 17Wxa5 Wxd4 18e3 xc 19xc Wxb2.

i 

5

4 3

2

a

b

c

d

e

f g h

12.xe4 A aternave s: 12d 6 13e4 (aer 13.xe4 g4 14.f fd8 ony Black can be beter, Voezke - Christ, Kappen 1990) 13 g7 14.g2 (not so good s 14b h6 15f3 e6 and hie unexpectedy experiences some problems, r exampe 6b3 b4! 17d4 fd8 18e3 d5 19 .xd5 xd5+ Godes - Ma sen, Belgorod 1989) 14 .. .a5!? 15b a4 16b4

  b3 f5!? (  . ..c6 s also vey reasonabe but I prefer the text, since it equaizes withou needng o know much theo) 12 .b2

hapter 7 - hte exange n d5 d7 13c4 (I al examned 13c but ae 3   xe5 4dxe5 fd8 5Wxd5 xd5 6Ec d2 t i te wh ha  ght  the daw 13 f6 (3h6! i nteetig 14e3 Wd6  5xf5 gxf5 Bac wa very ld n Lma - ne beda 1997

8

12Wb3 Wxb3 3axb3 ccued  Ngueira - Kraew Merida 2005  I ecmmend the imple 3xe5N (13  f5 wa played  he game but  am cceed abut 4c4 lwed by f3 14dxe5 f5 15f4 fc8 12  d3 f6

1  f3! dent wr becaue f he ng 1 1 c6! 1 2xc6 bxc6 13e3 f5 1 4g4 ex3 1 5Wxf3 Hebg - eer Germany 2000 Blac ca nw pay 15  e6!N 6Wxd5 (r 16d2 Wb5! 17Wxc6 Wxb2+ 6xd5 17d2 xg2 18xg2 e5 Blac ha the beter chace due  he weaened pawn tuctue 1 1 Wa4 d7 1 2f4 Blac ha n pbem aer: 12Ed  b6 13Wc2 tgey eugh h wea mve ccured in bh game tht eched hi pii (Beer i 3Wb3 e6=. 35 14g4 Ec8 5Wb3 e6 16Wxd5 xd5 Be - Niephu Mcw (l 956 Blac td beer a it n ey r ie  deal with he hre f f6. 12b6 hi i ceary beter h he unnecery: 12g5! 13e3 b6 14Wc2 5 5g4! hie hd  bg dvge n Brber  Kpza Hungry 1989 3 Wb4 N h nvey i cneced wh  ew pln Blechar -  Jne cr 1996 w 13  e6 14fc g5 15c5 Wd8 6xg5 f6 7xe4 g5 8xb wih  mey p 14fd We6! Bac idea i  big hi nigh t d5 he pi emn very cmplcaed wih chance  bh de l l... d7 12.c2 h  he  chice ccrding  hey Oher pin

3Wa4  al exmned 3h3 d8!N (hi l imple ha 3Wb5 14a4 Wb6 55 Wb5 6c5 Wxb2 lncic - imic Nv d  995 Here ie can ply 7h2!N eginig the pwn nd btaig me preure 14Wd2 Wd6 15c5 b6 16xe4 xe4 17xe4 xh3 he pii i rughly equal 13f4!Wb5! 14Wc2g5  5a4Wb4 6 h 3 h6 ie w n rube n Dbrzyn Pye Lubi 1969 3 g4! A very ccree ppach alhugh hee i hig wrg wih  3f5N 14c ( 14e5 We6 14  fd8 4f4 Wd6 5d2 e 15xe4 xe3 6e3 e5 7dxe5 Wxe5 Blc ha excele cmpein r he pwn  5Wxd4 6Wxd4 xd4 7xe4 hi wa Grd Zuniga  Kraenw Mdrd 998 d w I ugge 76N 8g2 5 Blc h hig  wrry bu

8

Fnchetto Sytem

12 xe5 Bck y o chooe 2...f6 13fc f5  4.b3 fc8 Vlov  Yneirov Kug 200 13e4 'c4 14dxe5 'xc2 15c2 e5 l 6 .e4 e6!

8 7 6 5  3  1

For  n tie I h point out tht 8 ...e6 9.c3 goe ito  ie h we wih o voi 8 ... e4   v entive though  w covere n B222  However eve f ou w o chooe h opo, uch of he llowig  i reevn o our epeoe  ou i ine c o be reche vi he ove orer 6c3 g e5 f 8f4 xe5 9e5 ec. 9.f4 i look he o chlengig e entive re

a

b

c

d

 f

g

h

he ge h pie o  very rwh poiio 17�fdl �ad8 18 Y-� Koev - Yneirov  Peeburg 2001. B2232) 8e5 4!

9.f4 xe5 10.xe5 (o goo i 1 .xe5?! e6 n he e5pw i wek)   .f6!? hi new ie ee o e he o nur ove   f4 (o eng to  equ poon i  .xb8 xb8 12.c3 e6 3.b3 [hie h no ie r 13e4? xe4 4xe4 f5  he oe he 4pwn 13 f5)  c6 12c3 e6 32 f5 9.xg4 xg4 1 .c3 c6

 7 5  2

a









  

 .h3 I believe h hie houl ele r hi cl ove ice eeg coplico c e e o h beng woe r innce )   e3? e5! 12.x5 (e wore i 2.xe? 4 13.xc6 xc3 4xb b8

Fian ym

84

2 he main alenaive accoding o theoy. 2d Now 2...6? i to 3e4, ince Black den have a check on b6. 3.e4 hi doe not pome an advantage, but no do ohe connuton 3a4 h3? (he calm 3..a6 i woh condeng 4.xh3 xh3 5.4 Ead8 6Ed  6 Back had no poblem in uov - Galkin, la 200 1  3e3 6 14ex6 ex6 15d2 5  n my opinon, th pawn tucue ecue Black poiion and hite mu be cae o avod being woe. Fo example: 6Eac 1 Ee8 .a4 b6 18.b3 h5 9.Ec3 Eac8+ Papin Vk, Beorechenk 2009 3 ...g4

8

7

6

_

•

d

-



 1

a

b

c





g

h

12...N All hee game which eached thi poiton contnued 12 ...d, bu again I do not ee an eon  Black t vod he mn dea. 13. e Back ntend to llow up wth ...5 14.3 aS Black h a comabe poon

oco



b







  

14.e6 ee  not r hi cute tcical ick, hte would ju be woe. 14 ...xd  5.exd g4 16g5 6  e3 chuze  Otoc, Gemany  988 . Now Black coud have acheved e equaliy wh  ...e5N 8dxe5 d4 19ex6 Ex6 20.Ex6 x6 21d5 g 22.4 xd=

hen he exchnge on d5 the mmecl uctue doe o coue mt Black chance  cve pl. On he ohe hand, Black ce ewe pobem equalzing hn gint ome othe ne My aim n contuctng thi epeoie wa to enue tha Black doe no ce he unpeaan tak o deending a paive, lght woe poon. I beleve tht b epondng accuae o he viou poble whe move order, Back can condentl expect to cheve  equaiy

Vious th Moves

      

Re Opon

Variation Index d4  24  33 3  dS

A) 4g4 B) 4h4 C) 4 S! Cl) SxdS C2) 5dxS D) 4

A) e  e3

        6N



86 87 90 90 9 92

C2 ae I O.d3

D ae 15El

       

       

I O..dN

l 5 ..EN



Vrio 4th Move

6 1 d4  2c4  3c3 d5

n th chpter we hl emine r ofhite rrer urth move A) 4g4, B) 4h4,  4 nd D) 4i Aother poibty  4g3  i  uncommon move order r pying the nchetto ytem probby becue t llow Blc ome etr option connected with ...dc4. Howeve  recommend the tghtrwd 4 ...g 5.g2 (5.cd5 d5  coveed n Volume wo 5 . c6. ee i no wy  hte to benet om th move ode o he hould ut ente one of the lne tht wee coveed n the pevou chpte. A) 4g4

8 7 6 5 4 3 2 1 a

b

c

d





g

h

 ggeve ppoch doe not poe Blc ny el pobem. 4 c4 t  hdly wie to ente the complction e 4.. .g4 5.b3. 5h3 hte genely ette  th clm move ince he doent cheve much wth 5.g5 d5 6.g2 c6 .e4 .4 b6 8.5 g 9.f4 00 w clely

better r Bc in De Nucci - Mehitrn Cmpn 2010.  ...b4 

  4 2 7

'i

       h e point; Bc ight penette to d3 wth chec. 8.ge2 d3 9.<f g 9 ...e5  lo tong wth the de 0.de5 d 10.h4 Dmnnovc - Hemme emil 2009 ee i no eon  Blc to en om cptung the whte cente pwn. 10...d4N  .d4 d4 Blc h  lge dvntge. 5 ig7 6e4 hte my chooe not to bothe egnng the c4pwn but he doe not obtn much compenton 6.g2 00 .e4 c5 8.d5 e6 9.f4 i i n undetndble decion nce the ntul 9.ge2 ed5 10.ed5 un nto  tong epone:   ..h5  g5  e8 Blc tnfe hi ght to d6. Hi et pwn nd the epoed white ingide me Blc dvntge obvou. 9 ...ed5 10.e5  w Amecheno - eonov U 1 996 It i not dicult to mpove Bc py: 0... d4N   .ef6 f6 2.e4 e 13.< c6 Bc  cely bette wth thee pwn

8

hapr 8  a Opn B) 4.h4

 th pc  ld in dvopmnt nd n xpod whit king 6...00 7.ixc4 c5 A wtimd contr in th cnt 8.d5? Ti ld o n dvntg  Blck. Obctvl hit bt  8.dxc5  bd! 8 .xd t 9.xd i not o cl. 9.3 Aft 9 �3 \5 hit xprinc pobm dndng hi pwn. 9 xc5 1 \2 b5! Ti nnc r Bck of n xcllnt gm 1 1 .�xb5 �b Blck wi gn th pwn nd mnwhil h wl hdl b b  nd n compnon  th wknng o hi kngid

T mov h bn  vorit ofth Cotin Grndmtr Mo Cblo but hi l cnt gm gnt iznv contitt  rio bow o thi ln.  nd  hrd to biv ht th vrition cn b pird  ht. 4  c5 Bck i kng  ak ovr h intiv r  no  hi mov h in wold b pfcl pb r hi. 5.dxc5 T lrniv i: 5.cxd5 xd5 6.h5 �g

8 ...b5 h thmic d work prfct 9.ix5 xe4 IO.xe4 a5t I I.c3 ixc3t 12.bxc3 xb5 13.ie3 ia6 14.e2 a4 15d2 d7 Blck dvng w lrd dciiv in hmir - gk Grmn 1 995.

a









  

Blck prr on h whit cnr undrin h hit d ha no bn  rounding ucc.



Variu 4t Mve

.f3 .e3 cxd4 8.exd4 c6 9hxg6 (9.�b5 ca be met b 9 ...0-0 ad Blac ha the better chace) 9 ...hxg6 0x8 �x8 1 1 .f3 Wa5 (the imple 1 1 .. �e6  god too) 12 Wb3 Dei - Kouo, o Lioia 200. Now 2 .. xc3N i the bet outio: 13Wxc3 (3.bxc3 jut oe a paw to 3�xd4!) 13 ...Wb6 4.�e3 �e6 Blac ha good pla agait the ioated paw  ...c6 8.h6 �f6 9.e3 Ti wa Lichma - Neerth, Bad oerihofe 2008, ad ow implet i: 9 ...cxd4N 0.exd4 00+ Blac ha a comrtable poition.  d4 6. e5 T i a impotant move. er 6 ... c6 .e3 e5 8.exd4 xd4 9.b4! we reach a ver compex poton, in whch te  ghting r an advantage.

7e3 Other opto:

.b4 I beleve that Blac ha a ver tong epl ... c6!N M impovement on  ... a6, when the ow ing dea gve ite reaoabe pa 8Wa4 �d 9.�g5 Dobo - odo, Hungar 2005.

8.�g5 te doe t have time t lwl defed the b4paw: 8.a3 a6 9.Wa4 �e6! .d6 �xd6 1 1 .cxd6 �xc4 Bac ha a clea advatage. 

: 

4

� a









  h

8 ...xb4! A ver trong idea; Bac acrce material, but in retur get powe pla agait the whte ing, whch i tuc i the cetre. 9.�xf6 9Wa4  met with 9 ...�xc5! (troget though 9 ...c6 0.�xf6 Wxf6   c d 2xa8 �xc5 alo give Blac geat compenation)  0c f 1 1 .xa d3 ite i cng a huge attac,  example 2.0-0-0 Wd4! win r Bac 9 ...Wxf6 10.c d8  .xa8 �f5 12.c er 2.Wb3 c2 3d Bac ha the great eource: 3 .�e4! 14.c6 (hite ha no tme  14.c Wxf2 and he  loig) 4.. Wxf2  5.f3 b6 Bac  clearl bette. 12�xc5

9

haer 8 - are in

 critica oito  the evalatio of my

idea Depite beig a rook dow,  tongly pefe Black. itly the white kght  key to ecape om he cone, which mean that hite maeral advatage w o be o geat. Ad mot mporatly, Black i ceary ahead n deveopmet and  not eay  hite o develop hi kngide Here i an illtatve ie that cealy how the dange of hte poo 13.Wb3 c8 Not only ntendng to capte the kght  the core, b alo vacang the d8qare  the ook. 14.a3 er  4.g3 d8  5 .g2 d3 Back eze a deciive initiave.  4...c6  5.g4 e4!   toge tha 15...xg4 16b! b6 1h3 when hite i ll n the game. 16f3 6f3  to 16d3! with a owel atack 16...d3 1.h3 b8 hite   oble

8.xe5 a6 e pon of Back play. 9.Wa4 9.a3 rn no the rong 9 ...b4! (bt o 9 .. .xa3?! intendng to low p wh  Wa5xe5, a hite can iner the ntemediate move 0.Wa4! 10. d2xd2  1.Wxd2 e4 2Wb4 (ohewe 2... Wa5 wold be a ke 12 .Wc 13.f3 c6 14.Wa4 00 Black development advantage look cary om hie pon of vew. 9 ...c6 1 0d3 e  1 .a3 00 2.g5 f5 he  agan expeiencg eio pobem with h developmet 7c5 8ed4 ed4

8 6

-,





f3 



7 6 5 4

a

 2 a









  h

 key dea i that Back  no rced to

defed h eaw, b can make e of hi develomen advantage  ..xc5!N mpovg o  .. .c6 whch ha been payed i a cople of game

b

c

d

 f

g

h

t  aleady clea that hite opeing coce ha been a ile; h kgh  oally miplaced o b5, whe he advace of he hpawn ha ony ceaed weakee in h ow cam   o pring tha Black acheved a covincng vicory i the llowg ecoe 9 00 ere  alo othg wong wih the aal 9 c6 Oe2

90

Vr  Mve

Accepng he pwn scrice woldn elp he: 1 0.bxd4 e8   .e2 c6!  2.xc6 (or 2.e3 Wb6 3.c2 5! 12..Wxd  13.xd g4! Blc s dong ve well

6e4 xc3 bxc3 g

10c6 l 1if4 i 12id3 he hd no e to csle snce Blc ws thretenng 12..d3. 12id3 13d3 a6 14c7 Ec8 15a3 Ec7 16ic c7 Blc hd  decsive eri dvntge in Cebo - Riznsev Bel 2009. C 4£

In  opnon his s no  dngerous vrion but i sill h o be covered s i h occued ore thn wo hundred tie in prcce! 4c5

hi ggresive eponse s bes Bc iedel re o prot o the lght vnerbilit of he cenre cused b he previos ove hte now chooes beween Cl 5d5 nd C2 5dc5 Cl 5d5 d5 6a4

I nd ths uch ore nteresting hn he

ore popur:

a









  h

I dont hn th i es sense r hite to pl le this. Coprng the position with he xchnge Vrion i s hrd to igine tht none woud choose .3 insted o the norl .c4 e3 or f3 8.b5 Blc is not roubed b: 8e3 c6 9.b5 cxd4! 1 0xd4 0-0   .xc6 bxc6 12.xg xg 13Wd4 Lecuse  Boch Heries 1999. Now he siple 13...Wxd4N  4.cxd4 b8 would eve Blc wth  ce dvntge. 8 d hs ntur connuon s of course quite sucent bu I ie he oe chlenging 8 ...c6 nvng he coplcion: 9.d5 xc3 .d2 W5! Blc s dong well 9.xd Wxd 10.e2 cxd4   cxd4 c6 12.e3 00 13b hi ws Alsn Lel - Grci Andrinl Libon 200 1  nd now I ugget 135N 14.d5 c4 15.d4 e5! Blc h  cortble position 6 ig7 Blc ccepts the chenge nd scrces he c5pwn hopng to e use of hi led in deveopent. Of course he woud be hpp o see: 6cxd4 Wxd4_ f6 8.e4 c 9Wxd8 xd8 10.e3 hite h he beter endge Blso - Vrdi Hung 2003

hap 8 - a Opin 7.c5 Aftr .xc5 0-0 8.4 b4 Back h  srious iiiiv  h pw hnks to th tcticl poit: 9.3 Wx 0x 8   .2 h6! 7... c6 8.3 6 9.e3

8 7 6 5 4 3 2

91

8 7 6 5 4 3 2 1

a

b

c

d

 f

g

h

9.d4  h othr optio hr

1

a

b

c

d

 f

g

h

9...e5N . Botviik - Grf Isr 2002 cotiu: 9 .00 1 .f4! it prvt Blck k  of .5. Alhugh Blck s h it cmpti I prfr t tck th whit ctr immitl which  cnir mr i h spiri of h Grfl. 10.de5 r 1 .2 Blck h  plt chic bw 10...6!? an 1 00-0. 10 ...¥d 1 1.d e5 I prfr th t  x5 12.b5 12.5 0-0 Bck h l cmpntin r th pwn. C2) 5.dc5 d4

 w hv  mr r l rc qunc of mvs. 6.5 c6 7.e3 e5 8.d4 d4

9g5 xc5 0x4 (It  ot  goo i to grb mr wh 1 0.xf6? Wxf6   .c Con  Grtoio Cvi 2009 Ar   ...f8N 2.x8 b4 3.f2 4!  4.2 f5 it hou ot survv r og. 0 ...x4   .3 Noovic - Miilovic Buv 2003. Hr I lik ...00N 12.2 W5  3.2 Wb6 14.b 5  5.0-0 8 n th trg 4pw m th  Bck c b br 9.b4 5!



Varo th Move

Konopka Decin 996 an now the impe 6 bN 7.xf6 xf6 8.e4 g7 ea to a enite avantage r Black)   e7 e xb5 Wx8 x8 3cxb5 xb4 4.  Nihal - M. eren Kee 009. e 4  e8N  5 c e6 Black ha a cea upeoit. 9.. d4 10d3

8 7 6 5 4 3 2

13 ...4 14.d4 0-0 15e2 h4t 16g3 e7

8 7 6 5 4 3 2 a

b

c

d

 f

g

h

Back wi egain the c5pawn leaving him with the bette pawn tuctue an a geneal vouable poition

D) 4.d2 a

b

c



10 d7N In m opinon thi i a nce impovement ove 1  ...xc5 whch occue in al u game that eache thi poton; ae 1   e 0-0 1.0-0 the pla  baance. 11.4 hte attemp to pevent Back achevng an optm aangement of h pece. Back get exact what he want ae  .e xc5 1.00 g7 when the 4pawn ecues hm a longtem ege. 11..aS 12e4 O We We7 3.b e5 an Back s bette. 12g7 132 e 3c6 bxc6 14xc6 b8 15.b5 00 hte s n touble as Backs ea in eveopment w soon a o tell

hi  a elativel ae continuaion bu ince Ivanchuk pae it in 007 a few othe tong ganmate have ao tie it 4c4? hi  a ctic eaction tempoai going a pawn up. Black wil gan tme  eveloping hi piece whe hte i egaining the pawn. he natu 4 g7  of coue poble an ae 5cx5 x5 we have tanpoe into Voume wo (4cx5 x5 5 5e3 It s ha to beleve that hite can ad to cml connue 5f3 a Black can hold onto the exta pawn: 5 ...a6 (5 ..c6 llowe b .b5 o come nto coneation) 6e4 b5 7.e5 5 8.a4 xc3 9.xc3 W5 hte doe not have enough compenaion  the pawn 0xb5 xb5 1 1 .xa8 Wxa8 .5 g7 3b3 Wa3 Bune - Lagae anc 009  ..e6 6 c6 7g5

per 8 - re pn

93

ie  obged to pl t f e wnt to regn te pn.

3.W4 Wd 14.Wxd xd ed to  comrtbe endgme r Bck.

7id5 8e4 h6 9exd5 hxg5 IOdx6 e 10.xc4 cxd5 1 1 .b5 c 12xg5 g Blck  te better pwn tructure nd  noting o wor bou.

13 e5 140-0 0-0 15l  5.f4?  premture n view of 15 .. f5 1.c5? Wxd 1.xd fc8

IO  x6 1 1g5 g7 Blck  everl ote poibile ee bu it  ntul to complete te deveopment of i kingide.





6 5 4. 3 

a

b

c

d

 f

g

h

e ve been llowng te gme Ivncuk - utovk Montel 200 nd now I ugget e nturl improvement

. a

b

c

d

 f

g

h

124 Ivncuk correctl indicted tt te lterntve 12.d5 woudn poe Bck n poblem: 12...e5 13.xc4 (13.f4?  too wekening nd er 13 ...eg4 4.xc4 14 ...c8 15.b5 f8 ite poon look vulneble 13...xc4 14.W4 Wd 15.Wxc4 te  won  pwn but Blck  mple counerp.  5...c8 1.We2 5 .4   8.d2 xc3 (Blck cn lo nvite  repetion b 18...f 9.xc3 Wxd5 20.f f8 Bck poion even ook lgl preferbe to me. 12 xd4 13ie3 1300 i  eriou mke due o e double tck 13...Wc; er 14.W4 f8 15.3 g4 Bck obin  decive tck.

15N 16d3 Oter opton e 1e2 d5 nd 1b3  1.4 Wd. In bot ce Blck poition  pefectl pbe. 16  a6 17a4 d7 18�fdl �fd8 e poon i blnced Blck' centlzed knig ll compenng r e biop pr.

cl ie el unge 4.g4 nd 4.4 re oo ooenng. Bck ould llow e clcl dvice o couner n e centre nd ite will oen end up regreng te elfnced wekenng of  kingide. e oter two move we looked t 4.f3 nd 4d2 e moe old opon bu neter of em i prtcurl dngerou

Vious th Moves 4a4t

Variation Index 1d4  24 g6 33 dS 44t d7 Sb3 dx4 6x4 6g7 A) 7 f4 6 8 0-0 9e4 S A) 10eS  10dxS B) 7e4 0-0 B) 8 B2) 8eS

A) ne  f3

        9 .  . N

Al ) e l 9 3

l 9 .. b4

95 96 97

100 100 102

B ne  9b5

        1 6  . fG

at  - a

95

1d4  2<4 g6 3c3 d 4a4t i cheeky check ai to ut Black ata evelopet. Havi ai hi Black oe ai a tepo a we 4d7 3 dxc4 6xc4 e baw i obvioy utouchabe: xb? c ite i i toble ue o he theat of ...b8 lowe by ..b4. 6g7

 ...0-0N hi eable Black o ht  he iiative Ohe ov  ...a5 0.b3 e to ueceary copicaio i Julve - uca Face 2003.  ... cx4N i he iple way o equalize: 1 0x4 00 1 1 xa bxa 1 2f3 b 10.b3 10.xc5 a5 1 .f3 ac8 a 1 5 h5 ae haly aictory  ite eithe 0...cx4 1 1 .ex4 a5 1 2.f3 ac8+ a

b

c

d

 f

g

h

Now .f3 i covee a ie A i Chape 24 we ha ook a A) 7f4 a B) 7e4 hee. A) 7f4 a6 8

e ateaive ae: 8.e4 0-0 9.N  checke h ew ea  te (9.f3 apo to he a e. 9 ...c5 10.xc5 a5 1 1 e5 e h  a covci oe o eqaly. 2.b5 xb5 3.xb5 h5 4.e3 (aer 45 xc5 1 5xe fc8 Black ha copeaio r the paw) 14...xe5 8. c5 9.e3 (  hay he way o ry  a avaae b ae 9 .xc5 a5 Back ha oh o wory about.

8 ...00 9e4 ie oe ot heiae o ieze the cee. he oe 9e3 houl o poe Black ay pobe. Fo exape: 9 .c5 10b3 cx4   .ex4 c  2.e2 c 13.0-0 c5 14e b+ M. Guevich -Akeo Aaya 2004

9. hi i a heaic ove  h vaaio a  ca ea to a e bae. 9 ..c5 10.xc5 a5 1 1 .e4 Gioaze - o Cao Moariz 1995 wa aee aw ae   .4; f we coe wh    .xc5 2.xc5 xc5 he Back  very lhy bee. 1  ac8 e eae ar a 1  . .e 2.b5 xb5 13.xb5 xc5  e  Back. 2.e5

9

a  M

h t c to pay hapy. H ha  ti t ply cop h vop  xap: 12.2 xc5 33 a .2 xc3 5.bxc3 c5 Back wll play ..f x wh a b avaa. 12xc5

13.b3N It  ca tha   h crtca connaon. Ow: 13.xf? lo o h po: 13 .. .xc 1   5 .3 8- rnkov  Orv Blaa 13 13? il to 13 .. b 3... .xb hit cao pay 1.xf? m vw of ...xb3 15. 8 .x8 x8 axb3 b a h wh ki wl b tck n h cr. ...b? 15xf xf 1.2 tl r h aw. O ov canno b rcon: 2? xc3 1bxc3 xc3 18.2 c . 3- .3 c8 1 f5 82 x3 1x3 x3 20.x3 8 21.2 b Back  c b. 1 ...c8 . 1a8 f5 ao rpa ov b  b8? lo to  ...a 18.xa c2.  ...f5 8b 9 cS

Coi th ctr with  5 i tronly t by: 10...b5 .xb5 (.2 c 12.5 5 132 b wa not c n r ht n . Popov - Pavlov Novobrk 2002) 1 1 x 12.x xb5 Black i aray clarly bt. 3.0-0-0 xf .xf a5 5c b8 1xb8 xb8 12 b Back a a civ atack i Dcko Gabria av 2010. Al) 10eS hS 1 1ie3 d4 12'xd4 ic6

a

b

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d





g

h

Krankow    oo at wll "Bo black kh a on h  of h

a  - 4a4 boa bt i io a activ an  i aa in vlot.

13ie2 Wa5  anav  13.c I wa innin o con  ov an a aay  atria o y or w it o io ob o ti coinao i a a n  la roan Caioni

9

140-0  14.. b4 i no wo wll  Blac in Jaovno - oaov Cna 200. Now 5c5N i ron 15 e5 16WdS �d5 17dS s 18ac  oo ar  o calnn oon  robably  84N    .a Hr I vo  owin fnv ray r Bac  5? 203 (20.5  5 olv  rob of i ac n an   r Bac) 20 4 2.4   22.b4  23. f i obvoy a conaon   aw b Blac i  cnt a an I wol vaa  oon a baanc 18e6 19c3

14.0-0 144 wa ay in a rvo a 14 ..5 5 5 5 1 000 (100 i tor b Blac  aboltly n ar 1 .   f4  f5 vn .4? 18.a b4 co b conir] 8.  5 f 20.f4 5)  ... N (an rovnt ovr 1 ..  c Grorian - n aaw 2005) .f4  (1... f5  8.   .5 f+)  8.4  f5 14.. .f3 15.f3 5 .4  c5 .b4  3 Blac ay loo vy loca bt  i n if n ic.  owr of  two bo i ot ay coan. 18.b3 c3 1 .c3 c3 20.bc3  na  vy laant r Blac an  won orly by clari  qn an avanc  aaw; Fllr Jaa Ban 20 1 1 .

8 7 6 5  3  1 a

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19 b4N I rr  o  y av  ... a n I. ooov - an ly B 2003. 20d ad8 Bac oban oo acvy  10dcS e6  �b5 d7 12�b7 12c4 wo a o a ron

12 cS 13b4 e6

98

a  Mve

8 7 6 5  3  1 a

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 f

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ak 2000. Nw the ie 20 ...x3N 2  .hx3 c2 22e2 xb2 wul eave Back wit a cieable avatae 1.. .c5 1 8.e5 5 9e2 x3 20.x3 e 2.0-0  2 1 ..xf3 22xf3 xe5 23.b5 w ave le t an eqa ae bt Back tie t qeeze a bit e  f te in. 22.W a8 23.W hi wa Facnk - Iicc Pae 1 989 an nw Black cl ave t he ni tch t hi tatey wh: 23 ...Wb8N Back wil wn back he e5aw an ten be abe  e w  bh ai.

14.ie5 Ane ti i 14.3 a5 Black chae the whe qee away  the 14 ... a5 15.�a3 �b6 16.ic4 he aenative  t e hite ay b4qae in e  nene te efence avatae eithe: f the e4awn. 15.Wa3 15Wb3 a4 1Wa3 c 2 4 1.5 h ea  a ce le. 1 8.0-0-0 ie- De aa eail 200 1 . Back h w ay he aihwa: 1  x5 ex5 4  8.x4 x4 1 8...N 19.b (9.f4 Wc) 9...x2 9.x4 Wx4 20.x2 xe4 2 Wb Black  clealy bete 5...c 1. Wb  7 6

45

32

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        Back' lea in evee ve ll ceat  he aw 1.3 .e5 5 8 5? i  ky:  8..x5 9x5 8 20 itnik  Baevc

       h Back  n n ane an t  actualy hite wh t be cael  av etin a we in. 20.e2 20. We5 2.e2 b5 22We3 Wxb2 23W2 Mjica - aczay e} 2009. He Black c antai e ee wt 23 ...We5N 24.We3 Wxe3 25.e3 ab8

ate  - .a 0 ab8 1 .00 xb .a .xe 4 3a (3f3? e8 4c b5 5.f xf . xa) 3 ...x5 ite a not ly eqaize e to te oor coorinaon of i ece  .b4N i  ore tetn tan  .b a  laye in Peeer - Avk Bel 1. 3.xb4 xb4 4f3 c8 5fe f8  ite o anae to o te baance

99

16...g4 e ot ec aoac. 17.g3 b4

1xf exf 1 ite a ao rie 1.5 b 1...c5  a on ely: 18xc5 xc5 1.0-0-0 e 0. f5 Back a a anero niative in Novoa  Jelen ea 00 1.. c 1 8.c4 f5

18xb4 xb4 19.d5 ie  r o eqazn ae 1 8 05 a a one o by ovky n Chss nrmant .

a







e

  

 .5 n Chss nrmant 8 tovky ve te own ine: 1.xe e 0exf5 xf3 (0 .b4  even roner) 1.xf3 xf5 .ex f4 00-0 xf3 1.xf3 f . xf5 35 ae8 1..x5 0.ex5 0x5 xb 1e3 (1b3 xb3 .axb3 c3 3f a8 ovky) 1b4  a8+ ovky 0...xb Cleary it i Black wo  in r an avantae Mean - ovky rael 000

19...ixb2 Once aan we are n a aion were   Back wo  ryn r an avanae. However I beeve a e can anan eqality w accrae lay. 20d Aer 0.b  c3 Black ake ove e niave: 1.xc3 (.e c5 .b e 3.xe e 4xa8 xa8 eov - ovky Poanca Zroj 1)   .bxc3 .0-0 Bacro - ovky Aber () 00  . Now ovky ve  8N 3.5 c 4.bc a3 w a clear avanae  Back. 20...a4 i wa Joanon - Pako ea 00   an now ie o acrce te excane:

00

ar   3W5? Wb an Bac wa aray wnnn n   Lono Chcao  0)   .. . Pay ha ranpo to  .5.  0 

B) 7.e4   now choo bwn B ) 8. f an B2) 8e5

B) 8 f b5

9 b5 t ay ran o h capr Wb3 c5 0.5 it ha ao r  0.xc5 a   .5 (   .3 rn no   .. . 2.2 xc5

  .xc5 or    .xb5? cx 2.x xb5 (Kaparo point ot hat 2...x5? ao la o an avana r Bac) 3.xb5 a a3 W 5Wc2 (5.00 Wx5 3 Wh5  .h c)  5c .W2 Wx5 Bac wa carly btr n Hbnr  Kaparov Br 8.  ...a  2.xb5 i ho hry to cop hi vopn or h ay n hlf in rob. or xapl: 2.? xc5 3.x h8 (3...x?  ao pob) 4.Wa3 Oia - Pn Lano 8. Blac col hav c th a on th pot with .. .WbN 5.5 W-. 2...xc5 3.Wc c8 .0-0 x5 15.x5 x5  .h Vara - Vanncht cor. 1. Black ho now pay   ...8N  . Wb Blac  lihly bt hank to hi pr own th on iaona. or h rcor I ao chc Wc5N b it o not po Back any pobl:  . a 0.Wa3 b   .Wxa bxc3 2.3 cxb2  3.xb2 Black can thn abot tain th ntatv 3b8  .c3 b  5Wa3

0

ae   4a4 ( 5.xa 5)  5 . c     ie i er prere. 9 e4 10.°c7 eory coer 0xc very aero r ie a riy o. •••

I

7

6

8  6

5  3

2

1

4

a

3

b

c

d



f

g

h

1 1 . b4 12.e4 b5 13.d e a o wap qee  orer o preve i ki beco oo vlerabe For exaple 3c3 a5 4a3 ? 5.e3 ac8  . f5  .b   e ile o ove e proble of i ki  ae cao Deark 0  0. •

2      g h 1 0...c 1 .xa8 a  (o  x4 13.c f5 a e wa  roble i Kielev - Kozov Mocow  98) 1 .x 13x x4 14.c c e wi  a e  abe o cae wio e aeria loe. 5.e xc .b3 (.0-0 oe o f4 w e eay ea of .b) 1.xe 1 .xex 1 8. \x ! 9.0-0-0 f4 0.e3 f5 e wie k  alo afe o e qeee. 1.c c8 .b4 f 0-1 ea Qaa - Herera aa Cara 00 

103  arle 0     x cx 1.e4 e 13.a4 5 ( Zo Jiacao Galy bic Bay 00 Black ee  e raw wi 1 3... 14.c4 e 15.a4  Y-Y)  4.3 b  5. 0-0 c+ 10 c6 . 1 x8 8 13 a bee paye  o ae Back o coe 1..fN 130-0 (aer 3e3 ab8 e we k i lerabe o b5)  3...a 14 .c a  5.xa 3 xf xf5 1c cx4 Black iiave i eo o ive i e avaae. •••

i

,,, ,

1 3 d 14.id2  eory coier i ove bo b I beeve a   e eaie way o eqaze. e a coiao :  43 5x3 x3  o Back o o i wio c icy I pre e ore acve ex ove. •

15.  16b4 8 7 6

5  3

2  a

b

c

d



f

g

h

arou  Mv

0

6...e5?N  wa non by Gora n Chess Inrmant   . In Goraz - Kfa Grany 99, Back praury captur t paw: 1..x4? 1. 5 18.2  wa ly br I un anotr nrn a n   .cN, wh play ay connu 1 c3 xf3  8.xf3 xf3 19.©2 f8 20.af 3f4=

7.a4 Otr ov ar

B2) 8.e5

8 7 6 5 4 3 2 1

1.x5 x5 8 8 9x5 x5 20©2 x 2©c x2 1000? 4 8.2  vn tou  i w paw ow Back a z t iativ .c 8 (Gioaz v ly  ...x4 18.© 3 9.b3) 8.x5 x5 19x5 x5 20.© 5=

 7..  8.dxe5   9. ixe5

8 7 6 5 4 3 2

a

b

c

d

 f

g

h

8 ...ie6 8 ..8 9h4 ook vry proi r it i Akaov - Owk, aaw 2009. 9.b5 it ca t a poito wit t pc vu qu a two paw by 9.xf xc4 1 0 ©x 1 1 .c4 Wx4 7 6

'"

,

5

:

2

1

a

b

c

d

 f

g

h

Black  not wo, pit bn wo pawn ow.

20.00 d4 2.i h2t 22.@xh2 h5t 23.@g2 g5t 24.@h3

a       h tnk tat t poo cooiato of t wt c ak Black' cac prfabl 12.2 c 3.f3 Wb 4.0-0 a8  5.b  I alo xain: 15.b5 4 1x4 Wx4  c 8.a4 + 1 5...5 .

10

hatr   a 1. is sly t by 14 a th aw  tchabl 1. x?  x 18. x b











1 1... 12.Wh4  c6 Black ha a  la i vlt which vi  tha h cati r h aw 13.gS hit iv  hi aw witht a ht. H wa  bt ccr abt th thrat  b4 bt h wl hav b bt  ivi  h xcha r xal  3 b4 14c (4000  wl iv Black a vry wl atack) 4  c t 1 5xc xc 13 hit i i h a althh Black's chac a clary btt

  h

  N his   accrat tha . a  b4 8 8  9a4 a 0 c hit ha a rasab a i Lv - Hza Iral 999  .b4 4 8. a Black ha th btt chac

9..   d5 10.xb I hit  t tak th aw th h i jt itialy wr

13 ...Wxd4 14.Wxd4 xd4 1 5.0-0-0  e6 16.e3 e5

8 7 6 5 4 3 2 1

a

b

c

d

 f

g

h

hit' ti has ca Chkhv  W chit Paica j 981



a

b

c

d

 f

g

h

10 ... b6  .We4 hit's rbl is hat h cat ay h atal   3 bca  .c w ra hi q a thra  c8

A ky iti aris i i A ar 4  a 8 3 0-0 94 c. h hit ch A )   Back  ract accraty bt i h   h h ca xc  qaliz h A 0xc h  a aw  b Black ca ct  btai l ca Li B i ls crical a hl t wry Back vrch

Vious th Moves

       

4b3

Variation ndex 1 d4   24 g6 33 d5 4°3 dx4 5°x4 g7 6e4 6 00 A) 7f4  6 8 S A) 9d  9e5 ) 9dS e6 1) 10e2 2) 10 d6 e5! 1 1xe5 b4 21) 12 22) 12d B) 7e2 A ne  f3

        1 0.b5N

A3  ) aer 1 2dl

1 2.2N

106 107 108 109 110 110 11 112 112 B) ae  9e5

        9 ..g4N

hapr    4.

.d4  2.4 g6 3.c3 d5 4.�b3

        a

b

c

d

 f

g

h

Tis i has  quit popua ctly. By ployig this ticy ov od hit y itd o aspos ito th Russa yst (4.f3 �g 5.3), o ay hop to pot o dlayig th dvlopt of hs igs ight.

0

9d Ae 9.xc5 5  .\5 x5   �x5 xc5  200  3�e2 5 4.3 � Blc was eve slghly ee, Avaz - G. Dvid co. 991. 9 ...cxd4 1xd4 Ae  .xd4 Bac ca avod a iediate quee swap y  0...\5 ad h whit qu cot fl coal i th ct 1 0\ T whit pics  ah awwadly pacd. 1  .a4 a5 2 .c3 hi os o swap qus i ode o ty ad cop his dvlopt Kha  Halop, ac 2005. Blac shoud ow play 2..\f5 T that of ... lowd y ...\xa2 poss ht dit pols 6 ...00

4...dxc4 5.�xc4 ig7 6. f3 would taspos to th statg positio of th Russa yst - s Chapts 2 ad 28 T oly oth asoal altatv is: .�f4 a .3 .4 0-0 wl  xaid i l A ow.  .00 8.f3 c5

 7 5  2

Oth tha goig ito the Russia yst, th a optos  ht a A) 7i4 ad B) 7.ie2

a









  

Bac has coa play.

O oth occasios that .f3 was payd, Bacs spos was th ucovicg. I will spa you the dtails ad cus o th ogcal povt  .c!N.

Varios 4t oves

0 8

  4 7

2

       h Black's idea is to play 5 next wich hite can hadly stop. Hee s a nce llstrative lne 8.e3 e5 9d5 (a 9.dxe5  xe5  0.Wd4 We Backs chances ae aso preferale) 9  d4  0. 5? c   .dxc xc 2 xd4 exd4 3d  (t tanspes that  3.xd4? loses on the spot to  3 xe4) 3..c5 Black s ceay ette.  7.4  a6

I have coe to the conclsio that this is Black's est dea sice 8 ...c5 9d5 W  .d2 oes hte seos chaces  a advatage. 9e2 e atenative s: 9. f3 Wa5 (9 ...W is agan et y 0.d2)  0.Wd3 d8   W Black has ganed a cople of tepos as a eslt of the slghtly isplaced whte qee   ...g4  2e2 Legky - Mdja Laage 2000. I elieve Back shod now pay:  2. e8N  3e5 (e  3.e3 e5  3..c5  4.d5 5 ? aso ooks iteestig] 4.dxe5 xf3 5.xf3 xd Wxd xe5 .0-0 Back has a decent gae. Play ay cone  ...d8  8W3  c5 8..?] 9.xc5 Wxc5 20Wx  f ad Back has good copensaton  he pawn.) 3.. ec 4.0-0 f5  5.Wc  4 e have a coplex gae in which Backs chaces ae no wose de o hs conrol over the d5sqare 9 Wa5 0Wd3

is looks to e the ost chaeging esponse o the developent of the shop to f4 It s qte posse to pay  ... c 8.d  d thogh fhte cooses the ove ode with f4 then Black has to play  a anyway

8 7 6 5 4 3 2  a

b

s ere is aso 8.d c

c

d

 f

g



        is occred in Petes - Mach Harg 989. s is a good oent :  05N   a3 e    f3 4 2  3 3.Wc3 Wxc3 4 xc3 xa2 5.c4  4 Back is ette   4  2x4  x4 3.W e 4 h3 e nata 4. f3 is et  y the vey npleasant 4a2  5Wc (or  5. xa2  d3 f  xf4+) 5... xe4+

apr 1 0 - 4.

10

A) 9d

14 ..3 15.d2  d  .0-0 5  ..  so s sns. 1.dx5 x5 Bc is n.

s

7

6

8c5

8 7

5

5 4 3

2 1

4

6

3 a

2 1

a

b

c

d

 f

g

h

hi hs ny wys o rc to h ow gns his cnr  w s A) 9d  9e5 nd  9d5, w so hav 9.dxc5  rnsposs o in A of Chp 9 9000?! cn hdy  rcondd. Bc siy gs good py: 9 ...cxd4 10. xd4 d 1 f3 c8 2.W3  c5 3.W3

b

c

d

 f

g

h

9d4 Tis s th ost prncipd contnution, hough Bc hs  dcnt rntv in: 9 ...W5 10.W5 Wx5  1.x5 cxd4 12.xd4 d8N (his s or ccur hn 2..c5 35, whn hi has chncs  n dvng) 3.x (3.5 s now songy  y 3...h5+) 3..x 4.c xd 15.<xd <! f3 d T poson s ncd. 10xd4 Cpurng wh h gh s wr:  .xd4 W 1  .W5 x4! 2.Wx x 13x4 5 14.x5 x5 Bc was cly r n Kozov - Musc, Bac n 2002. 10 �b6  1e5 e6 12b5

8 7

6 a



c





  

3 .  4! No  dicul cic ow. 14.4 5 Bc ws crly  n Kochno -uov, Moscow 19

5 4 3

2 

a

b

c

d

 f

g

h

108

Vros  ovs

s s quit old tory wic o ll h uh ws rhr ulr o    srtd wor o his oo. I s por r Bc o rc cvy.

12d! 13dS Aohr li is 13xd7 xd7 14.Wxd7 Wx2

8 7 6 5 4 3 2  a

b

c

d

 f

g

h

14  c! 15\xd xdS 16xdS 'xb2 17ie2 bt 18id ad8 19°3 'e4t 20ie3 Ar 20W3 W4 21 d2 d7 223 W2 Blc is o wors. 20d3 21°c2?! 15Wd2 Corct s 21.W4 x3 22.3 Wx3 1 5.d Wx2  .Wx7 c5  7.W5 (or 23 f d8 Blc hs sucit copstio 7.W2 Wx2 8xb2 8 9.d  r h ight 20.2 d8 2.0-0 zgdi - ioc Btobry 98 d r th sip 2   5N hi woud hv o g r  drw)  ..fc8  8.c4 8 A port ctc ric  9Wxc5 ( 9Wx8? ils o 19...d3-) 19...Wxc4 20.Wxc4 xc4 2  3 5 Ag it is hi who is ryg o drw, Kobyshi - Gsr, corr. 989  5...W   .Wc Wxc  17.xc c8 18.d2 y  82 is  iprov though r  8 ...c5  9.x x 20.0-0 b8 Blc s i o dgr a b c d  f g h  8...4 9.5 c 20. f5 2.2 s ws d  Vucvc cor  984 d 21ih6! 220-0 e3 23ie2  t ow Blc should iprov po tht g 24 e3 Blc ws bttr i  Dj  Kug wit l 2000. 2...fd8N 22.d d5+ 13 dS 14xdS

 9eS hS!

h h    - 4W

109

his is th ost strightwrd wy to  hit's rth risky dvc.

I O.e3 cxd cxd44 1 1 .000 .000 othr li li is so so qui illusttiv: illusttiv: 1 1 .d . d  ! 12W5?! (srogr is 12.xd4 5 132 fd8 14.4 xd 15xd 4! ltho lthough ugh Blck hs o ros) 12 . ..d! .. d! Bck tk tkss ovr th iititiv. ii titiv.  3.x c5 c 5 1 4d5 Idr - Brrd Brrd,, Issy Issy Ls Ls Moui Mouiux ux 2009. Bck coud ow stiliz his dvtg y: 14   dxc3! 15.xc3 (or 15.xc5 cx2) 1 5 ...4! ...4! Bck ris with  tri plus. 1 1 e6 e6 1 2x 2xd4 aS! aS! 10.0-0-0 xd5 1 xd5 hit usully csts sho wih this w structur, d i's c tht th whi orch cot f sf o 11 f5 (1 1 ... .. .8!? so looks th qusid. 11 good) 12.d3 xd3 3xd3

h whit kg is ot sf o th qusid.

13c4 I lso xid 13x x 4.g4 d8 154 c8! Blck dvops  dgrous ttck 13.. d8 d8 1 4.e4 xc4 1 5 .xc4 .xc4 xe5 16x 16 xd dtt x xd8 d8 17 17  xeS xe xe hit did ot hv ough copstio r th pw i Moo - Mrcos Mrcos oz, oz, i 2008.  9.d5 e6

              h his ws gr - uu, uu, Ktsch 1 98. 9 8. Blck could ow siz th iititiv o th qusid with 13... 13...d! d! 4.d 4 5.d2 5   .5 x5 8x5 c4 19.2 x2! Blck hs  dvtg. 0.d his is  thtic ov  ths w structu, ut hits prol is tht h is hid i dvopt, which ows Bck

Varos  ovs



an asy ga: ga:   . ..xd5 ..xd5 xd5 ! h as no convnn way o dfnd s pawn,  xapl 2.d2 8 3.�2 �f5 .   canno avod losng aal.

31) 31 ) 1 0ie2 0ie2 d5 d5 1 1 exd exd55

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32) 10d6 e5!

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hs was payd y Garry Kaspaov, wch s ndd a strong ndorsnt  t ov. Bac saccs a paw   iitaiv. a

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A sar

poson on occus wn Blac pays ...a ...a agans t Russan yst ut w t avng castd ratr an dvopd s qu's sop. Hr Blac can n o ts slg drnc in concr fason.

1 1  b4! b4! 12d i as also payd: 2.- d5N (in y opinion is s srongr a 2... 2...  xd5) 3.ad � 1.g5 xg5 5.�xg5 xc3 1.xc3 (ar 1.xc5 x2 .h c Bacs Bacs thr thr pcs ar a r srongr an a n  wi qun) 1... 1...�xc �xc 1.�xc c i dos no av nough nough copsaion r h pawn.

11e5 uc war is  .x5? 5 ad Blac s r. 1 1    b4  sal loo at 321) 12c ad 322) 12d Ot ovs a: 12.3 his occurd occurd n Kurtsava Kurtsava  Cigladz Cigladz si 29. Blac sould now pay: 1 2 ...cN ...cN 13.�c r 3.�f h5 Blac gans th paw.  3 ...�g ...�g .x �xf3 5.xc �xg2

1 2c2tN In r gas gas Bac as pay p aydd 2 . . .  r u u   as as sns to rc h wit ng to ov. 13@ b6 I do no iv ha  ca ally hop r an advatag wit hs ng on f.

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hap hap rr   - 4.W 4.W 16.g An potant pont po nt of Bac Bacss play s ha h ping 6.0-0-0 uns ino h incdib 6 ..x4!! .. x4!! ad ht caot play �xg in vw vw of of   ..Wg5 ..Wg5 llowd y xc xc 6 .. �x4 �x4 1 .Wc �f5+ �f5+ 12.0-0-0 is ntiond in h conts o h abov ga, bu h wh ng is hardly saf on th qusd 2 2�6 �6 1Wb5 (o .Wxc5? xa2!) 1... 1...a6 a6 4.Wxb �h6! An iportan acical uanc 15b x4! Blac suddy suddy has a srious inativ in ativ..

2  2J

111

19x5 �x5 2000 �xh2 2xh2 Wh4 22g Wx4 2f W 24h Wh6  nshs n pptal chc.  4 ...c6! ...c6! Bac has ogh actvity r h sacrcd paw, r insanc 5�g d4 6xd4 cxd4 1d5 xd5 8.xd5 8 9.c2  9  9d d  x2! x2! 20x2 20 x2 Wg5 Blac has xcn xcn copsaon copsa on r h xchang. xchang.  9 ...�a6 ...�a6 20d �x2 21x2 x2 22x2 W W 2d 2 d W4 24. 24.  Wb Wb   25. 25 . d2 �h6 26f 26 f44 Wf5 Wf5 h ga is alancd.

 e6 e6 4'e2 c6 5 5  4 r  5 .�g Bac B ac would would hav hav h additional poss possili ility ty o  5 .�h6 .�h6

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 5   Je!

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hs was was playd in at at - N. Aas, Aas, Guaar Guaar 2000 Blac shold rspond with

 2b6!N b6!N A vry xbl dcson. Bac dfds th c5pawn and ps all his opons opn; h ay dvlop his ightsqad bshop to a6, b, o o  6.  An alrativ is  .W � 4�2  4�2 Aohr xciting lin  nd s 4a c6 5�c4 a5 6Wa4 x4!? Not th ony opion r Blac. 1.x4 8! 8d x5

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 s car ha Bacs lad n dvopn shod cont, r xapl

6'e Bac has an niaiv niaiv ar boh boh  6.h 6.h   d4  .Wd .Wd  d5! and 6Wd  6Wd  d4!  6d4 d4 7 7e2   8d 8 d2 xe2 9'xe2 h5 20 20e c 2  xc xe4 xe4 Ony Bac can  



Vros 4h ovs

22 2d e6 1 2    c2 1 3 . d2   wll co o o th s hg.

so plyl plyl s h lss lss ious:  . . x3  8.g 8. gx3   9.d 9.d  xd xd 20.c4 20.c4 d8 21 .4 8 223 xd 23xd xd 24xd c8 25.d2  Bc d  dw without y pos pos  Ltoico Ltoico - Nv Nv, il il 2003.

xc5 It s v vyy dgous  hi to ply ply  3 .W2 8, wh Blc hs good copsio   8Ed2 8Ed2 h6 h6 h pw d  d  lot o o  ds sd o h whit  po souc, wic cs hit o ur o o s xt pws. ig s g i t c.  c2t c2t 4@d2

 9Ee2 d6 d6 20h  2g4! Otws hit could sily d sl ig wos. 2d Bc hd suct copstio  t pw pw  P P - Kspo Kspovv, i    2000 B) 7e2 7e2 c6  c6

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 4 d d T y ov. 5c xe5 6xd hi s lso td: .xc2 g4 .d2  18.2 I s dgous o llow Blc o p h qus o. (8.Wd8 xd8 sposs to ou  i) 18... 18...W W 19.Wc d8 20Wd4 W4 21d2 c8 Bc hd  stog stog ititiv ititiv i Boc Boc - Kpps Kpps,,  2008.  6 xd 7@xc2 7@xc2  od y Ksp Kspo ov, v,  .x . x?? would   sious st st:: 1 . . .4 18.c4  9.4 x4 20  Bc s cly tt.  7 g4

8 7 6 5 4 3 2 1 a se

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h

8  3 is i s cov covd d i Cpt Cpt 28. 28 .

8.d dos ot pos Blc y pos: 8 ... ...  (o (o 8 .. .N 9.W4 c 10.dxc xc  3  2.0-0 ) 9W3  Pds  og og zi, zi, Big Big 2008 2008  Now Now    9 . . N 104 g4  1.h3 h d t opg up o th poso should  i Bcs vou.



ate   - 4. 4.

8 ...eS ...eS Black takes advantage of o f he ack of a knig on f3 f3 o oban counteplay cou nteplay wh his punch n he cenre.

8 7 6 5

9de5 Oher moves:

4 3

9.d5 d4 0Wd3 1 0.xd4 0.xd4 exd4 l  W Wxd xd44 �e8! �e8! (    .c6 1 2d6 d5!? s aso interesing) 12Wd3 (or 12e5 g4 g4 1 3 .f4 .f4 f6! f6! wit wit  a srong nitiave n itiave  Black) 12 12 d7 d7 1 3 f3 f3 f5 ! Black as ampe compensation. 0 .c6 . c6   .dxc6 bxc6 1 2 f3  xe2 I tink tat 12... 12...g4!N g4!N s even stronger,  exampe 1 3  0-0  xf   4g 4 gxf3  xe3 1 5 .Wxd8 �xd8 �xd8 1 6 .e3 �d2 Black Black as as a ce cear ar advanage. 13.Wxe2 Wa5 Tanks to the possibly of ...a6, ...a6, Black as as the better game Potpara Potpara - Csba, Batum Ba tum 2010.

9. ..lg4!N .. lg4!N Tis dea shoud be miliar by now. nsead Sabalov - V Mkhalev Mkhalevski, ski, Padelpa 2009, 200 9, saw saw 9 ... xe5 x e5 1 0.Wa 0.Wa44 g4 g4   �d  wih unc unce ear ar play

9 .f .f exd4 1 0  xd4

1 0...leS ... leS 1 1.Ya4 Aer  1 .Wb3 e6 e6 Black as a clear intiative.

8

7 6

2



10.icS 1 0.xg4 0.xg4 s met by 1 0 ... ...  xe5!  1 .Wb3 d3 d3  12.f 12.f xg4 Black as a clear advantage

1 1. .. lt  1 W  Wg5!? g5!? s aso aso wor considering.

'

12. 8

2

a

b

c

d

e

.

f

7 g

h

Tis positon occurred in Vandehalen Swnkels  Swnkels  Vlissngen 2005 and ere Back missed te stong stong idea 10... 10... g4!N g4!N   xg4 (ae (a e     xc6  xe3 1 2 . xd8  xc4 xc4 1 3.xc4 �xd8 Black as a peasant edge in he endgame)  1 . . .e5! e5! Black Black wil play play 2    xg4 wt advanage.

6 5 4 3 2

 a

b

c

d

e

f

g

h



Vru 4th v

 2 t! t! Te key ve. hie wuld eve e ee e 12 12 xd? 1 ge2 g e2 e8 14d 14 d 

cl

A A) .4  8. c5 he  evel p ut e  te pie i  dvtge. I picul lie A2 wi 9.d5 e bxc Wx 4e2 e8 5f d7 e5  e e Blck gd gd cpeti cpeti  Blc  te iive,   i ette 1  d e5 i pw cice. I ie B wit .e2  c I pieces. d t eleve tt hie c gi ytig y vidg te tpt t te Russi 6Wd T ii t tge ge t  d  d  e5 e5    yt  Blc is e ctply e  hite  i tle, de t te tet  8.e e5. ..4. .. 4.

I 6Wc Wc44 7 7d4 Ae .2 5 18.- 5 19.4  2g 5 Blck   cler pl   7

8 7 6 5  3 2  a

b

c

d





Bc eeps  tg tive.

g

h

Clo Closed Vritio ritionn

       

Vo ou Fh Fh Move

Variation ndex 1 d4 d4  24 g6 g6 33 3 3 dS 4e3 4 g7 g7 A) Sb4 00 6 6 A} A } 7e2 e2  7b2 B) S�b3 e6 B) 6 0-0 B   } 7e2 e2 B  2} 7d2 d2 B2) 6�3 q sd2 D) SxdS B2 17.d5

116 117 118 120 120 120 121 122 124 125 C a l 5.2

  I

R         1 7 .xd5N .xd5N

1 5 ..h6N ..h6N

D a 12.xd5

11

osd Varao

d4  2c4 g6 c d5 4e g7

.2 c .f3 s li A .W3 c a4? i s a sowat upiciou sratgy; t ga pac o th qud ut copltly glcts s gsid dvlopt.  aual f3  caly tt ad tasposs to h li wit .W3 i th llowig ot.

8 7 6 5 4 3 2 a

b

c

d

 f

g

h

its quit ut ov ca  playd wt vaious owups i d.  is capt w sall xa A) 5b4, B) 5b,  5 d2 ad D) 5d5, wl 5f3 is covd i t owg capt A) 5b4

5  00 6f it's ot optios do o hav uc dpd sigicac:

a









  

5N s st i t c  o  a vy atua spos to ts povocativ pay. 8dx5 4  poit; Blacs sop stats to wo o t log dagoal. 9  also xad a coupl of ot ovs: 9.x4 dx4 1 .2 d  . 5 Blac as a iiaiv. 9.cxd5 cxd5 0.2   d c 2.f3 a5 135 4 Blac has xclt play  t paw 9..xc3 0Wxc3 d  cxd5 8 22 x5 3.x5 x5 14Wd2 x2 15.Wx2 Wxd5 1.d W4 .d4 W5 8d3 a5 Blac as a vy plasat positio ad t oy qustio is w i ca old o

6c6  wl as ou a li o Al) 7e2 ad  7b2, it as a coupl o oth opios:



hapr 1 1  Variou ih ov .3 dxc4 .xc4 5 9.2 a5 000 (a ic li i 10.a3?  1 1 .2 c5! ad h wht potio coap) 1  ...  hav tapod to th ot to ht ighth ov i li A wh 8.3 tc.

al pol pol. 12.dx5 xd 3xd x5 Blac had a cotal dga  u  Bov Itt 2004. 8.3 dxc4! 9.xc4

.a4 g4 8.3 8h3?!  too low ad dv to  punhd: 8  xf3 (th iogca 8 ...f5 wa playd  Baudot - Phiippy Loug 1 994) 9gxf3 (a 9xf3 Blac ra up th ct y 9 ...5 0.dx5 fd ad ht i in dag) 9 ...d 10.f4 ht ha aagd to top th .5a, ut Blac now ti o th qud. 0...a5  1.5 c5 Blac ha a tong ntativ.

7

''

5

4f  2 , a

'





' 



  

Blac' play o th poiton ha n ath uconvncing in pactic o I wa oligd to d a w da: 8 ..d!? 9.cxd5 cxd5 10xd5 hit caot ay hop  an advantag a: 1 0.2  1 1 h3 xf3 12.xf3  T lac gh will land on th c4quar. 1  .xf3 1 1 .gxf3 5 Blac' activity y copat  th acicd pawn Al) 7e2 g4 8b2

Rlaig th to i th ct do not hav uch poit 8.cxd5 xd5 9xd5 xd5 10.0-0 d 1.a4 (a 1.2 Bac tr o oth id with 1 1.a5!) 1 .5 T ov

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h wa Duong h Anh  L Quang Ho Ch nh City 2005. Blac hould ow play 9 ...5 though th i a w ov  thi paticuar poton play oon tapo nto an od ga. 10.2 1 0x x 1 1 .5 8  not dagou  Bac.  0...a5 1.0-0  12.2 ax4 3.x4 a 14.2 4! 15a4 a5 1.c2 f5 .3 4 Blac claly had th tt chanc in roancu  Bovnn Budapt 1 952

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osed Vaiaion

8 xc4 9c4 bd7 Bac's ai idea is o carry ou e ...e5 advace. IOie2 Bac s o roued y 1.- e5  1.dxe5 x3 12gx3 (Bac has no proes aer 12.Wx3 xe5 3.We2 We) 2..xe5 13e2 Wc8 Bac edaey uses e sighty vunerae poso o he whe g y eadig towards h3 144 d8 15Wc2 W3 (5...d3 also eads o a draw) .e5 g4 1xg4 Wxg4 18 W 19.g Wg4 2.h W YY Karja  Va ey oros 28 0 dS  �b xc 2c e5! Bac aes use o s ead  deveope. xe5 Aer 3.dxe5 x3 14.x3 xe5 te exchage of dasquared sops secures equaty  Bac  xe5 4dxe5 e2 5@xe2

6h4 ie coud have seed r a draw y: 1.f xe5 1.f4 xf4 18.exf4 Wxf4 19.g We3 Blac as perpeual cec 6�g4t! e corec deciso. Aer 1...Wxg2? 1ag We4 18f3 Wf5 195 e cosoidaes ad as he ee chaces as ac poited ou  ChessBe Magazne 84. 7@ ads 8f �  9�b2 s 204? s alows Bac o seze te iitatve. sead e could ave aaied equaty with 22 xe5 21xe5 xe5 22.ad 20d 2@n ed8 Bac was clealy eter i Kepisi - Aa. Miasa Ord 2. ) 7ib2 ie6!?

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8g5 ee are several oher oves 8.W3 d 9.g5? No e es oe r is aggessive ove ut te was proaly scared of he ac g peerag o e c4squae

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aptr    Var  v  exape 9�e2 b 10c5 c4 Blc   gd ge.

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9 ...dxc4N  bviu prveent ver 9 ..�f5, plyed in Luev - riniv, rtv 200. 10�c4 N bete  1 0.xe cxb3 1 1.xd8 d8 12xb3  ite' pti  unplent, due t  we b4pw. 10 .�xc4 1 xc4 e5+ Blc   great ge, we e wite igt i clery ipced n g5. 8d2 bd 9�e2 9.b3 5N (s ice de prve n 9 ...b 10c5 bd 1  .�d3 Brnbi  Len, Beereb 982, wc  e png r ite, tg Bc i vey id f cure.) 0.b5 dxc4  .�xc4 4!

de i een in te rerble lne: 2.x4 cxb5 13xb5 5 14b4 b5! 15�xe ie i clerly wre er 15.�xb5 d5 1.b3 xe3 .x3 xb5 180-0 a8 1 5...x4 1.xb5 5 .�xd xb5 18�xb5 Wd5 194 xg2 Bc i beter, ltg e  e cuntercnce.) 12  c5! 13dxc5 e5 14�e2 3! 1 5�x3 d3 �xd3 Wxd3 Bc   rng nitiive. 9 dxc4 10xc4  i re ntr n: 0.�xc4 d5 1 1 0-0 5 Blc  a crbe ge

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 0...�xc4! e ipe wy  Blc t ee i ge. 1  .�xc4 e5 2dxe5 xe5 3.�e2 e 14.b3 fd8+ Bcwill ply ..  d3 next; e  cceslly ved  peng prbles. 8.c5 i i nt nrebe, b n e er nd it presen Blac w a rigrd pl f preprng e  e5 dvnce. 8 ...bd 9.3 Necy prpylxi,  eie '  ey r Blc 9�e2 �g4 0.0-0 e8 d ...e5 s cing. 9  5 10b5 e4 e dea bed Bac nit ve w  e  w reenig ...dxc5. 1  .c2

120

os Vaaio hi ow chooss tw B ) 6 f d B2) 6�

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Tis occd  ttg - I. oolov, Astd 200. H I li   .. .f5 12.h4 Aoth i s 2.d3 xc3 13x xd3 14.Wxd3 W 15.0-0 5 Blac s . 1 25 13xf5 gxf5 T positio is copx d alcd

8   9h h6 0 f  bd   c5 A dios looig dcsio, which lows Bc  sy g.

B) e2 b6 Bc sholdt hy wth  ..  dxc4 8xc4 sc  8 ...  hit hs 9.4, cotig oth ... d ...c5, d scg  dg, sov - Piov, R 9.

B) 5�b e6 Ts is cosidd to  Blcs ost lil ply, thogh oth ovs  also plyl.

800 ht c ls th tsio i th ct y

11

t   - V i v 8.cxd xd 9.00 9. s srogly t y 9 ...c 000 � 1 1 .�x x Bc s o pros wtsovr. 9 ...c! A vry ggrssiv pproc. 9 ...� s  or popur i prctic ut tt ss to  or i  spirit of  Qs Idi It is d to v t y Gfd pyrs wold i o t ttic ...c w it wors.

 1.�d c= Bck s sovd s opig pros Hss  Brsk Orops d Mr 998.

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g

h

9 a6N Prviosy Blck rid 9 ...� t d to qz: 1 04 d   .� Vr  Hill oowoo 198. 0.dxc 0.�d rsposs to B1 0.d �   .g d is o dgros r Bck. 0...xc .d � .g d 3.4 its ost ggssiv rspos. 3 ...8 4.c d4 .4   v rcd  coplctd positio wt tu ccs.

8dxc4!  corrct solto sic c rcptu s its ow drwck. Blc d to qiz r 8 ...c 9dxc xc  0.d � 1 1 .cxd �x .x xd 3. Hss   scr Gry 993. 9Wxc4 9.c4 � 0.� (r 0.d I rcod t sip 0...N 1.� d lowd y ...c) 0...d .d

0a4 e2  xe2 d7 1...c wold  pr .dxc xc 3.d  4.�d c .�c3 i's t pw stctr givs i  dg 2c2 c8 t cot do ytig gist  cog ..c. or sc: b4 c5 4bxc5 bxc5 5dxc5 b5 Bc rgs  pw w  cor poio. B2 7 b6 8d5 Otr optios 8.� c 9.cxd xd trsposs o t  . 8.c  c 9.cxd xd  0.� c   .00 M Ivov - Hillrp Prsso Gotrg

122

lsd Varan

20  0. Now spes s   ...e8 and Bac can coably eet 12.a3 wth 12 ...f8.

8 exdS 9e2 cS  we have eady seen Blac s no ced to connue with he nau 9 ...b, but can pay oe aggessvely Meanwhe he ght squaed bshop ca be very use on he h3 c8 dagon.

a

b

c

d





g

2° cxd4 xd4 Blac has no pobles ae  3.exd4 e4 14.f4 xc3 15.xc3 c8.  xd4 4exd4 e4 5xe4 xe4 6b4 e8 7dS

h

000 I so checed: 10.e b?N  nteesg pawn sacrice. he atenaves 1  ...a and 1  ...e ae payabe too 11dxc 11.0-0 c 12.xc xc leads o a cortabe gae  Bac. 11...e 12.c I beleve ha hit shoud reun the paw, snce 12.d3 c owed by ...d4, loos very proising r Blac. 12 .. .xc 13.xc xc 14.0-0 fd8 Blac will play ...d4 at a suable oe, wh corable equity.

7dS!N 8c4 e 18.b e5 19.c3  Blac is just a hehy pawn up. 8 c4 9xd exd8 Blac has suce ateal  the quee ad objectvey he positio s level. B2 6

0 c6  d e6 his is que a nce square r he bshop, bu the oe exble 11...e8?N is worth conderg since Blac woud hen be abe o eet a3 wih ...f8. a

b

c

d





g

h

23

hpe   - Vos h oves A uusu ide h teporrly prevets Blc cstg

6a5 hs sees to e the ost chllegg opto, preprig ...64 to oc the 38 digol f c6 hs is ecessry to deed the 5pw. 8b he iedite 8cxd5 does ot pose Blc y poes: 8 ...exd5 9.d3 6 100-0 4 1 1  6 1 .4 0-0 3.3  14.3 6 1 5.d Guo - Cu Hse, Roe 1988. Now siply 15...eN would give Blc  e ge, r sce: 16Ed c5 1.e5 c4 18.c c 94 d Blc hs the uch etter coordtio. 8  a6

1

� s

4 3

,

2

 c    g h Here I ud the lowg ide 1 ...eN I Korchoi  Kurosov, Chelys 00, Bc opted r:  ...e 3.0-0 Ee8 4Ec  15. 5 16 hte hs ged to iti lced ply. 1 3.0-0 8! uddey the thret o .5 is vey powe. 144 x4 15x4 6 Blc is clerly etter. a

9.e 4 (there s lso othg wrog wth 9...e4 Korcho - Krseow, Lvov 000) 10 c5 Blc ieditely ttcs the white cetre. 1 1 .0-0 0-0  d  6  3.3 c6 14.c cxd4 15.exd4  164 Ec8 h3 his coplex posito occurred i Jose - Ruc, Koszeg 000. Blc should cotue 1 .eN  8.5 e4 wth  soud ge. a

b

c

d

e

f

g

h

92 hite hs  couple of other possites

9c5 his sees too itious 9  d 1 0x6 Ex6   4 00 he exrvg 1 g5 ured out oy r Blc i Korcho - V ely, Istu 000, ut the tex s ore ogcl.

9 e4 th the whte shop o d, this de s ow eve stroger 0'b2 hte deds hs ishop g sice er  0.e xd 1 1 xd e5 Bc tes over the ve 0 ...0 e2



o Vion s s hit's in e Blck hs  excellent ge er 8.cx5  xc5 9c f5 r istce 1 0. ge2 3   .b3  1 2.0-0 c8 13.b  W  .3  g Bck hd  gerous tive in Cusi - Yeronsky, Chicgo 2003.

8 e4! A very sog ie. er the exchnge of he's rksqure bishop Blck wil hve ne copesio  the pw. Tis ws . Bugrter - ger e 2008 Bck ow hs vrious ttcve opons  the oe I like ost s

cSN 200 d4 exd4 xd2 4�xd2 dxc4 5bxc4 e5 6dS cS Blck is og wel

9f xd2  0�xd2 e6  c �a5 Bck hs no eo of esing hite's tsk by swppig quees. 2a ds �c2 d7! Blck s wtg r  beer oet to cpure he c5pw sce  3...Wxc5 coul be et by .Wf2. 4 er boh 1.ge Wxc5  1d3  xc5 Bck s clerly bette.

C) 5d2 00 6

4ac 5e2

a

b

c

d

 f

g

h

is reltively rre coutio hs bee este severl ies by Berus GM Aleksrov. t y ook s if hte is well prepred to eet c5 but Bck c stl ply 

6c5 7dxc5 a6 8xd5

8 7 6 5 4 3 2

5h6!N Tis is n iproveent o 1 5.. Wxc5 whch owe hie to sbilize the posito wth 1 .b  Aleksdrov - vchuk Chlkidiki

haptr   - Var Fih v 2002. Bc's d s tht wh h pys .Wxc5 h w b ttcg th 3pw

64 e5! T posito ops up  Bc's vor. D) 5d5 xd5 6xd5 Ts i hs cty b vy shob. I woud so  to tio:  c4 b . b3 00 8g2 Tis c hdy ps Bc y dicutis. (T tr 83 trsposs to i 2  th owig chptr.) 8 ...c5 9.dxc5 d 10.4   1.Wc2 b4 1 2.Wd2 W5 13.00 xc5 4xc5 Wxc5 153 c Bc cry hs th btt chcs pryoo Ogd H (o) 9.

6xd5 7e2

8

25

0dS T oy wy to ght r  dvtg 0.dxc5 W5 c oy b bttr r Bc  xp   d2 (r 1 1 .0-0 d8 12 .d2 Wxc5 Bc h th o pst posto)  1...Wxc5 12.4 Wg5 (12...Wc s  too) 13.0-0 d8 14.Wc Ts occrrd i Grgo  o, ova 2002, d ow h sip 4...h3N 5.f3 c 1 .c3 c8 wod hv d o  btr posto r Bc. 0  e6  e4 exd5 2exdS Hr I hv  w id o sggs:

7

i

 3 2

7 6 5 4 3 2

1

a

a

b

c

d

 f

g

h

T poit o ht's py; th scod gh w co to c3 with tpo.

7 oo sc ds o stog pys hv optd r 8 ...Wd i ct gs, bt I pr th d8sqr r th q. 9e2 c5 Ts s of cos or ctiv h 9 ...c, which s so qt pop.

b

c

d

 f

g

h

2b6!?N I  h id of prvtig h wht bshp o sy jpg o f4 or g5. Now hit wi d o spd  sovg h prob o h b2pw. I prcc Bc' ot popr cotiio hs b 12 .. .b. 0-0 a6 13f5 is aso worth cosidrig. T posio s vy copx, bt y fg is tht Bc is doig . Hr is y brf ayss: 4d6 Tis oos h os chagg coti o, bt o cors hr r rsob artvs:

26

o Varaion

4 d (4f5 wod aow hi o  h pcs y  5.a4 Wd  .3)  5.f3 f8 t s ot ar how hit can dvop his qsd. 14c4 f5 ooks good r Back. 14W3 f5 (14Wx3 15.ax3 4 ooks tptng,  ar .g5 hit ight hav so intiativ) 15.3  5 (1Wx ax  5 f8  8.d 4 is ot dangros  Back, and i s o  that hs passd pawn is rathr wak) ...c8  .a4 Wa5 18.xa xa 1 9.ac  f8 Back w pay ...a8 nxt wih  pay.

  hav covrd a rang ofdir approachs o hit, t in a of ths ns  iv that Back can cont on otanng good pay  ost iportant variato is proay D 5.cxd5 xd5 .xd5 xd5 .2, whch has n a th rag  h as yar or so  tha in  thik that y w ida of 12.W?N ors Back proisig copay

Closed Vrition

      g 

5�f3

Variation Index 1.d4  2.c4 g6 3.c3 d5 4.e3 g7 5. 5 ...0-0 A) 6e2 c5 Al) 7dxc5  7cxd5 A3) 7.00 cxd4 8.exd4 c6 A31) 9c5 e4 A311) 10£4 A312) 10.e3 A32) 9cxd5 A33) 9el g4 A331) 10.c5 A332) 10.cxd5 A34) 9.h3 B) 6.d2 C) 6d3 D) 6.cxd5 xd5 7.c4 b6 Dl) 8.e2 D2) 8.b3

128 128 130 131 133 134 135 135 136 136 137 138 139 141 143 143 144

ed Vaain

12

d4  2c4 g6 c d5 4e g7 5f 0-0 4 (via e 5.4 ov od) ad 3  w covd   pvu cap, ut t a sill u o su coiuaos o  xaed: A) 6e2, B 6d2, C) 6d ad D) 6d5 A) 6e2 c5

7 6 5 4 3

2

a

b

c

d

 f

g

h

it ow cooss o A) 7c5  7d5 ad  70-0

A) 7c5 a5 so playal is: 7 ... dxc4 8.Wxd8 xd8 9 .xc4  d7  0.c xc  1.0-0   Bac will play .d5 xt wt quaiy

8d5  is aso: 8 .d2 dxc4 9.a4 O 9.xc4 Wxc5 ad: a) 10.3 c 1 1.00 d8  posio sls tos a ca as o  4 .4 Vaiao (s li C o Cap ), ut t pasivy o ts dasquad isop as a dc ad Blac s vy cota . 23 Dvoaova Puga, Hcg Nov 2008. Bac ca ow go a t ligtsquad sop y: 12..a5N 3W2 x3 4ax3   5.4  Blacs cacs a pal. )  0.W3 c  .a4 W5  2.2 (t poaly oly ow aizd at t atua 1 2.c3 us ito t xtly uplasat 12 3) 2..4 Blac captus t wt dasquad sop ad as t t ga ao Ptiz - Cssolo, Itt 2004. 9 ...Wc 0xc4 4 1 1 c  7 6 5

4 3

2 a









  

it as aagd to poay tai t xta paw, ut is pcs a lacig i coodatio, wil Blac as activ pics ad ll copsatio  .g4 12.Wc2  ipotat vaiatio is 1 2.3 x3 13gx3 xd2 4.Wxd2 Cvta - Docv, Polaica doj 1985, ad ow st is 14  cN  xapl: 5Wc2 (15.0-0 is agous i vw o 5...5 1.2 Wc) 15...Wa5

aper  2 - . 3 6.�f bS 17.cxb6 axb6 18c3 e6 Black as excellen posona compensation r te pawn 12...xf3 2 .. .Wc6!? s also nterestng. 13.gxf3 xd2 14.Wxd2 d8 15.Wc2 Wa 6�e2

129

i

7

6

   .

.





4 3

2 1

 b

 b c d e f g h Ts was Adamski - Dueba, Raac 1 969 Te llowng seems to me the best way r Black to play: 16..c6N 17.d eS 18Wb3 e6 9.f4 xc4 20.xc4 20Wxc4 bS! 2 1 .cxb6 b6 20...bS 2 1 .cxb6 b6 Black s dong wel; e s threatening not ony .. bS, but aso .. .WS lowed by ...Wx2 8.�xd5 9Wxd5 Lc3t 10i

Other options:

c

d

e

f g h

12...c6! I prefer ths natura move to 12...e6, as played n he abovementoned game.  3. b2 Ae 3 .c4 Korpas - Matyas, Nyregya  999, Back shoud play 1 3Wf6N 14 . b2 eS 15 bS Wd8!+ 13 ... Wx  4.Wc3 eS 5.xeS xeS 16WxeS f6 7.Wc3 7.We7 fas to 7 ...fS-. e have been lowng Toma - Post, Ausia 998, and ere Black soud pay the simple: 17...e6+ ite will have to work had in oder to demonsrae his compensation  8 7

10.�f?! loos unnaua, and indeed ae 0 ...d8   .Wc4 f6 Black as more than eoug compesation Fo exampe: 12.Wc2 a6 13.d2 WxcS Black ad an obvious advatage in Zotnik - io Castro, Pama de Maoca 199

6

10.bxc3 Tis excange sacrice deserves attention; it bough an impoan vicory  Mlov n is game against te young Indian GM Negi i the 2009 old Cup 10 ...Wxc3 1 .Wd2 Wxa 2.0-0

1

5 4 3 2

a

b

c

d

e

f

g

h

1 0 Jd8! .

A very impoan move, whic comrtaby solves a Back's opening problems.

d Vi

0

c ccg h qu is possibl, bu ds o lv  ghg  quiy rhr h  h dvg  1 .Wxd8 Wxd8 12.�xc3  d 13.b4 5

8 7 6 5 4 3 2 1 a











  h

14.0-0  co ii hs pw srucu by s f h u 14.3  viw of 14.xb4  5.xb4 x 1�x  xc5 1 0-0  4 Blc hd h br chcs i Much - Pco, corr. 1 9 O  4.bx5 Klighr - Hir, corr. 198 Bc shoud of cours rcpur 14x5N 5.0-0 (r 5.�x5 Wx5 1  f  xc5 Bc hs  rios dg du o h ispcd whi ig) 15...xc5 �b4 c 1fd Wf8 Bc hs h dvg, hough i hs rsobl drwig chcs  4...xb4 1 5.�xb4 Wc 1 .fc  b8 h igh s hdg r h csqur.  . d4 �d 1 8 b5 W5 Agi Bc s br, bu  hs chcs of suvvig Mohrg - uov, Lpzg 195.

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c4 i hs rid 3.d  or o b Blc c rspod 3 xc5 14.d8 g 1 5 d4 5 1. b5 vrji- Gguly, Vshp 2004 Hr h spl  cN  .8 b8 woud sov h pobl of h bc p d lv Bc wih uch h br chcs. xc5 4d4 d7 500  6ab e5 1 ...b8? s worh cosdrig. 7b5  hv b owg z - Hlvc  2005 Bc shoud ow ply 7  e4N 8xcS xc5 9b a4 20c e6 Blc hs sighy br chcs  7d5 xd5 8b

A coo iv is 80-0  c 9.dxc5 i hs  wd choic 9h3 cxd4 10.xd4 is xid  h o o is h ov i 32. xct 2bxc 9Wb3 � 10.Wxb cxd4  .xd4 rsposs 2.Wd2 xd2  3bxc3 d5 rsposs o h o h i li of 32 i l. 9. xd5 Wxd5 10.dxc5 Wxc5+ Blc hs  hic dvg, du o h cors 2xdS bw h dsqud bishops.

13

apr 2  5 9 xc3 10xc3 °5 11�d2 °xc5 12E  1.°c2  Holtop  co Bsi 2002. H t is t sip: 135!N Blc s  pst dg

8  xc 9bxc c6

8 7 6 5 4 3 2

8 7 6 5 4 3 2 a

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!N I i ts stigtd ppoc  Blck. std   ... �d 14.�g5 �4  5.Ec ws ucr i ris Nils  Giogdz, Gusd 992.

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Qu  coo pw stuctu i tis opig H Blc s  good vrsio, sic t wt qu s oviousy splcd o 3; Blc c t so poit w  tpo w  ttic ...5.

000 b6 Blck s  cot g, s w c s o t owig xpls   lso xid  .�3 5 12.°c2 °c 3.c d8  4.dxc5 s xcg s sgly ptu. 4 ...xc5  5.c4 o - Lzk, Czc Rpulic 1998. Now Bc c it tt ccs wt: 5�f5N 4 ( 14 �g4 t c d4squ wl  vl o t lc io pcs) 1 .. Bck wl cotiu wt ..d. its  po is is clly spcd dsqud sop  c7 2e4 a5  b

I 4e s 4...cxd4  5.cxd4 c8 so cos o cosdtio 5d d4 6d4 ac8 7b4 d6! 8a e6 Blck as  good g  70-0 d4 8exd4  v lso   lg u of gs  wc  cptud wit t gt: 8.xd4 dxc4 9.�xc4 



oed Vaiaton

Te ar o than a hndd gas o hs posion howeve I eeve ha a shor vw is  scn o show how Bac shod pay he. 0.a4 Ohr opions are:  0.�2 c7   .�d2 e5 Te ey idea - Bac gra a ot opac  2   c6 c d8 4 Hoang Tanh on - hayar, henyang 999 Now th naa 4�5N 5 a4 6 wod secre Bacs slgh edg.  02 5   � �7 12.d   d7 Bac h cortae developent .e4 c7 4�g5  c5 15ac 6 65  d7 74 Ts occd n Bisgi - Dalov, ainn 197 1 , and here  7...ac8N wold gve Bac a sond posion n a vry coplx gae. 1 0...c7  e2 5  2 c2 4 I l his ove, gaing ore space and creang possiles sch  .. g4 o �g4

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  

Blac h a sigh advanage, ahogh hie reans sod, Goo-yslov, Bchars 95

8 c6

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e hav arivd a a ra cossroads, as h h a hge choice hre. Or ain ins wi   9c5, 2 9d5,  9e and 4 9h, t rs w sha ae a oo  hre ohr opions 9. 5 Provded h repls corrcy his doesnt pos Bac any pros. 9 ...dxc4  0. xc6 xc6  .�xc4 8 12.h  2.� 4 1. 2 (I also exaind  .�  g4 4 h  x 1 5. �5+)  ..�a6 14  d5 1 5.� 5 Bac oo ovr the inaive n Vhalahti -Jolonn nand 2005

1 . d5  4 s songy  y  ...�g4 4. ex  5.gx �6 Bac h th tr chances, de o the exposed whit ng  ... xd5  4.�xd5 e8  5 d4  d7 16c4 xc4 1 7�xc4  6 18�e2 er 18.� �xd4 19.exd4 �e6 Blac rtains a pan dg.  8...�d7  9.a5  d5 20�d2 ac8 

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33

apr   - 5 . his was Ger eraer, wizerad 199, ad ow siples is 12 .. . d5N 3.3 e Blac ejoys a coale gae 9g5 e 1cxd5 A diee paw stctre arises ae  .c5  e4 Blac as a iproved veso of lie A3  elow.   .e3  xc5 hs wors vey well ee. 2.dxc5 d4 3. xd4  xd4 14d3 Wa5 Blac was eay ette  Dzeci - Hass, Moaji  99  . 1  xd5 1  Wd2 W 2.fd Ae 12. fd8 3.xg xg 4.ad  f+ Bacs poso s preerae, as hte does' ave eog actvity to copesae r te isoated dpaw, arra - J. Hovat, eroa 25. 12..fd8 3ac ?! Tis iaccacy was coed  eseov - Yadeirov, os  998, altog Blac was e ayway

    13... d4!N Blac ws a paw.



  

9.e3 dxc4 xc4 he occasoally tres a paw sacrce 1d5  a5  1 Wd2 (  4 cx3 2.ax3 loos teptg, t tere s a ear retatio 12 .. xd5  3 xd5 xa 44  c  5.5 Kapeaovc - Garder, oroto 998 Now Bac sod play 15.gN xc e

 . 4 Wxd  8.xd a5 19.d3 xc wi a ovios advaage)  ... 2.ad  Bdde - Peele, Dere  983. he does o ave scie copesao r e paw aer,  exaple, d4 Wc8  ... a5

11e2 Te a coce accodig to teoy. Aer   .d3 Bac as a cortae gae 1 e 12We2 c8  e5  d5! 14 xd5 xd5  5.3  c  .ac Wd Bac was slgy etter i ger  Legy Motreal 23; aga hte does ot ave eog acvty o copesae r e soated dpaw 1 .e  2.Wa4  d5 3. xd5 xd5 4.ac Bregadze - Pavids Keer 2. Blac sod av coed 14   cN  5.fd e+ Aga Blac as good pay agas e soated paw.

 ) 9c5 By eeasg e teso  ts way, hte sgas tat e was o ae se of s qeesde ajorty, t Bacs cotepay  te cete wl e oo strog

9  e4

14

 Vr   .5? x5N hs js ls o h w of  pw ( l sx gs to ch hs posio Blc hs ply   .. .x2  which  2xc lvs h oly slightly wors.)  2.x5 (lso   2.xg4 xg4  3xg4 x4 Bc is  pw p) 12x2 3x2 x5 4.dx5 xc5 Blc hs  hlhy xt pw.

8 7 6 5 4 3 2 1 a

b

c

d



f

g

h

hit grly chooss btw  04  2 0 e   wo so i to tio 1 .h3,  which  co ..b  .5 N 2.4 c8 Bc hs slighty th bt chcs.

 04 his os't loo bst, sic hi y ssqly  o f th 4pw wh 3 ywy

1 1 c  1 2h3 xf3 3xf3 Chch o, Chicgo 199. Bc sho ow ply 13g5N wh th s o goo wy  hi o f h 4pw.

e6  thi ht Blc c y spi to  vg,  th shol ot b stis wih:  1 .. .xc5, 2.dxc5 xf3 3xf3 4 4.g5 dxc3 15.xc3 h g ws o or ss ql i Ditch - Nisip, Roi 992 2h h is lso 12 x2 13.x2

0  g4

8 7 6 5 4 3 2 1 a

b

e Ohr ovs:

c

d



         3 ..5N ( cos this or chlgg h 3 ...b, which is vhlss oy r Bc)  4f3 x4  5x4 g5 .c2    . x   8.  4 f 1 9. xc bxc Bc hs posig positio. f

g

h

2    Blc hs   g.  li h lowig xp:

hapr   .f

4e4 dxe4 5.d5 exd5 6xd5 E! .Wd2? Ed 8Ead d4! 9g5 W Blac ad a dcsv advatag n Movc igov jaca Baja 99. A2 IOe b6!  h whit bishop gos dcty to 3 ti tis s th stogst da.

I

.cxb6 Ot ovs a o btt 1  .a4 �d 12.�b  xc3 3.bxc3 c 4.�f4? xf4 1.�xc �xc 1.xc bxc .xc  Bac had a clar poston advatag n Harits - lta, Katni 992   .�b  xc3 2.bxc3 a 13.cxb xb 4.2 c 1.�g a .f  Blacs spio paw stct gav h t bttr cacs i Madjaova - C. oisor, Plovdiv 2008.

1

Bac had  slighly btt position in B - in Rabac 2004.

A2 9.cxd5 xd5

8 7 6 5 4 3 2 a

b

c

d



f

g

h

0Wb Lt s ta a bf loo at t atnaivs 10.�g    .�3 � 12.d2 @ Blac has qit a cotabl stp 3.4 Wa wappg qns s a standard da r t sid playg agais a isolatd pawn 4fd Ozgibcv - Nov oc 200. Now t spl 14...Wxd2N .xd2 b wod giv Blac th bttr cancs. 0.3 b h pla of acttoing t gt squard bishop ors Blac a ty ga r nstanc: 1  �c4  xc3 12.bxc3 a 3.�d3 c 4.�a3 d8  .c   .2�b Blac had a plasant postion in Pira Manzano Hoan Avs 1 992.

.Wd2 g4 4.E a5 5.e5 e2 6.Wxe2  f Wd6

0. �f (0...� is so qt good) 1  .�g h 2.�3 c8  3.b3  x3  4.3  r ths srong ida  w xprinc diculs on t dar squas. .d 4 Bac had h nitav  rgh  an Catrbry 93.

0e6!

od Vron

1

hs ov cvy rs h qun ovr.

 \xb7 xd4 2xd4 xd4

8 7 6 5 4 3  a

a

b

c

d



f

g

h

Bck h crrd o  vorl xchg of hs 7pw r h wh dpwn, nd oys  psn dg

d 13 h  srogy  y 13 8 4.W x2 5.xd5 Wxd5 .xf8 xf8 ih gr py r h xchg, Bc cry hs h r chc. 7.4? Kyu  rch, Dsrg  999 Blck coud now hv dcidd h ssu wih th cc rck 7...N 8.Wx7 -  b8 4\a6 b4! 5\a4 \b6 Bck ws clrly r  G Gozz Goldrg M dl Pl 1 9  .  9e g4 hi ow dcds whhr o dvc hs cpwn or xchg i  0c5 or 2 0d5

 0c5 hs yp of poso s dy iir o prvious s

b

c

d



f

g

0  e4  e xc I prfr hs o  ...f5 2h3 xf3 13.xf3  4.2 h posio is vry copx d i is hrd o  sur wh Bc shold do. 4..5? hs n dvc ss o  pr 15dx5 x5 x4 4 7.f4 xf4  8.xf4 d3  9 .d d4 20W3 xf2 21h2 hi ws ch r  Br  J. rdz il 999. 2bxc b6!  hv rdy s his p, ig (r cx x) o g  pw sucr  which h wh qusid pws wil r ou o  wk. \a4 I lv h his is h st ry snc 3cx x sigcly ss Bc's tsk Py igh cou 14.h3 xf3 5.xf3 5 (h prophylcic 5Wd s so worh cosidrg)  .g5  71 Wd 18W4  19.W5 c8 Bck hd oid  clr poso spriory  zs  Gys Hgry  998. \d7! his s y w d. Blck hrns 14..xd4, hry rcg t to ih rs h so o ov his qu wy o h 4squ.

hapr   - 5.  I was ot satisd wth Blacs position llow ig: 1..a   4.ab    5. 4 xf  xf c4   Wf rnst  i, Nthrands 00. H  8.gN would aintan ht's advatag in th log t his cpawn coud wll bco  dangous pssd pawn

4Wa Blac d ot far 14.b5 x  5gxf  ad th pin s not dangous. 4e6 I  not su abou th poson which ass a 14 .. .bxc5 1 5.dxc5 5 1.ad , as th d5 pw s a bit vuabl 5h xf 6 bxc5 7dxc5 :ab8 Blac's chancs a not wos. 2 0d5 xd5 h e6 1 1 . is aso asoabl, but I pf th  squa.

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1994.Nowrcond: ...f5N 1 8.xf4 Wxd  9.xd d8 Bacs bishop par givs h th advatag n ths ndga. 1 ...Wa5 4d x Now s h gh  o capu his bshop, o avod wasng a po dfndng h h paw.  5 ad8  a b Bac pvnts bb4 and a h s  clas h way  . ..5.  d 8 7 6 5 4 3 2

a       h s was tnbch - Hnng, Habug 199 Bac shoud now contu ...c4N 18 x  9.x  19.b4 W 0.x 5 Blac also obtans good pay. 9...5 0.d5 4 Bac as ov h iiiativ.

2  :cs g5 h6 4e s posion hs occurd o ha a dozn s, and pacic shows that Bac hs  xclln ga. Blac can choos o vaous pans, and I li th staghtwad f

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2  ain arativ is 1 .g5 h  ht has aso trd 1 h4, bu this allows th bc gh to jup o th f4squa: 1 ...f4 4.f g5 15g xd4 1x4 gxf4  .4 isda - Ostnstad, Noway

4  xc 5bxc a5 Blac has h c4squa a his dsposal, nd o cours h cpawn s a clar targt 6W h7 74 c4 8e5 lso hass is: 8b xf 9xf  0 .5 d5  g xg 5 Wc4 .g b+ jaov - tnov, Khaov

18

e Vaan

2000 e oesn' ve enog copenso r e weaess o s qeense pws

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7 6  4 3 2 1 a

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8 N I pee is o: 8 ... 19 x ex Novovic - Kalo resov 2000. Blc s no worse ut i s r o eleve tt e s cnces r  vnge 9  20 e6 Blc reins e eter cnces ue o s superor pwn strucure 4) 9h3 e6

0c5 e  also rie: 10.g5 5   e3 c4 12xc4  5 13e2  5  3 c8 is so e  Blc 14.x5 x5 15.W4 I so exne 15c wen is ngeros o ccep e pw scice, ut Blc c ctie 15...c8 1.W4 c 7.c4 W wi  cotle ge 1 57 1W3 Ts ppene in aovic  Miovic Belgre 200 1 . Now Bc soul ply:  .cN 17.f3 W5 Te excge of ligsqure sops is clely n Blc's vou  ewle gring te epwn oesn't elp ite.  8.Wxe7 e8  9.c5 Wxc5 20.xc5 c4 Bc s te etter ge.  g5 W5 8

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6 5

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8 7 6  4

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2 1

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Bc s sever ore pop ur opons ere u I eeve t e ex ove is sple n goo

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  

Tis reews e ret o te c4pw.  .3?  unrune ove, e wc te is soon in roule.  ...c4 12.Wx7 (12.xc4 rus no 12x4 13x4 xc4 14.Wxc4 Wxg5 wt  ext pw  Bc) 12.fc8 13.5 Wx5 14.x5 8 Hee - Cves stoure 1990. 1 .cx5 x5 1 1 e 1 c8 is is vey cortle  Bc r nstnce: 12.f xc3 3xc3 5 14.W4? xc3 15d2