!!Visualization and Calculation Trainer Int - Botkinsky, Vladimir

Visualization and Calculation Trainer: Interactive Chess Exercises By Vladimir Botkinsky & Jenny Newberry

Copyright © 2014. All rights reserved. No duplication without the express written permission of the author. Next

WARNING: This is a book. You should never read this book while doing anything that requires your full attention! Next

Contents Instructions Algebraic Notation Board Coordinates Section I: Coordinates & Square Color (1-64) Section II: Visualization Exercises 1-4 (65-85) Section III: Visualization Exercises 5-10 (6 Games) Section IV: Calculation Exercises (1-55) Next

Section I: Coordinates & Square Color ---1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 Section II: Visualization Exercises 1-4 ---[V1] 65 66 67 68 69 70 [V2] 71 72 73 74 75 [V3] 76 77 78 79 80 [V4] 81 82 83 84 85 Section III: Visualization Exercises 5-10 ---Game 1 -- Game 2 -- Game 3 -- Game 4 -- Game 5 -- Game 6 Section IV: Calculation Exercises ---1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 Next

Instructions Chess visualization and calculation skills must be developed if one is to be proficient. To this end, this interactive chess book is designed to help you train. Work hard on the problems presented and the skills will transfer over to your own chess games. (1) Please adjust your reader's font size accordingly to fit the content on each page. (2) Whenever possible, use the internal links on each page instead of the controllers on your device. (3) The board coordinates are not included on the problems. This was done on purpose to help you. Strong chess players know the board very well. (4) Please work hard on the problems presented. This is the only way you will transfer the skills over to your own games. And, of course, your chess rating will go up naturally. Lastly, enjoy yourself! Chess improvement is difficult. However, chess is also supposed to be fun. This is why we created this interactive trainer. Next

Algebraic Notation [Contents] [Next] It is assumed that the reader knows the basics of chess. Those fundamentals of the game are not covered in this book. The symbols that will be used in this book: [K = king] [Q = queen] [R = rook] [B = bishop] [N = knight] [x = capture] [+ = check] [0-0 = kingside castle] [0-0-0 = queenside castle] Examples:

1. Nf3

1. Nf3 e5

2. Nxe5

4. 0-0 [Next]

[Contents] [Next]

[Contents] [Next] [Back]

Section I: Coordinates & Square Color (1-64)

Question 1: Where's the white queen? [Board: white on bottom] [Contents] [Next Problem] [Back] [Coordinates]

b3 g6 f6 g3

Question 2: What's the color of the square under the black king? [Board: white on top] [Contents] [Next Problem] [Back] [Coordinates]

black white

Question 3: Where's the white pawn? [Board: white on top] [Contents] [Next Problem] [Back] [Coordinates]

d7 d2 e7 e2

Question 4: What's the color of the square under the black knight? [Board: white on bottom] [Contents] [Next Problem] [Back] [Coordinates]

white black

Question 5: Where's the black pawn? [Board: white on top] [Contents] [Next Problem] [Back] [Coordinates]

h3 h2 a7 a3

Question 6: What's the color of the square under the white rook? [Board: white on top] [Contents] [Next Problem] [Back] [Coordinates]

black white

Question 7: Where's the white queen? [Board: white on top] [Contents] [Next Problem] [Back] [Coordinates]

g5 b4 c5 b5

Question 8: What's the color of the square under the white king? [Board: white on bottom] [Contents] [Next Problem] [Back] [Coordinates]

black white

Question 9: Where's the black king? [Board: white on top] [Contents] [Next Problem] [Back] [Coordinates]

e6 e3 d3 d6

Question 10: What's the color of the square under the white pawn? [Board: white on top] [Contents] [Next Problem] [Back] [Coordinates]

black white

Question 11: Where's the white king? [Board: white on bottom] [Contents] [Next Problem] [Back] [Coordinates]

f2 c7 c2 f7

Question 12: What's the color of the square under the black pawn? [Board: white on bottom] [Contents] [Next Problem] [Back] [Coordinates]

black white

Question 13: Where's the white king? [Board: white on top] [Contents] [Next Problem] [Back] [Coordinates]

c4 c5 f4 f5

Question 14: What's the color of the square under the black bishop? [Board: white on top] [Contents] [Next Problem] [Back] [Coordinates]

black white

Question 15: Where's the black pawn? [Board: white on top] [Contents] [Next Problem] [Back] [Coordinates]

b3 d3 c6 f3

Question 16: What's the color of the square under the black knight? [Contents] [Next Problem] [Back] [Coordinates] [The board side doesn't matter: same colors!]

black white

Question 17: Where's the white bishop? [Board: white on top] [Contents] [Next Problem] [Back] [Coordinates]

a1 h1 h8 a8

Question 18: What's the color of the square under the black pawn? [Contents] [Next Problem] [Back] [Coordinates]

black white

Question 19: Where's the white knight? [Board: white on top] [Contents] [Next Problem] [Back] [Coordinates]

d3 e3 d6 f3

Question 20: What's the color of the square under the black bishop? [Contents] [Next Problem] [Back] [Coordinates]

black white

Question 21: Where's the black rook? [Board: white on top] [Contents] [Next Problem] [Back] [Coordinates]

a2 h7 a7 h2

Question 22: What's the color of the square under the white bishop? [Contents] [Next Problem] [Back] [Coordinates]

black white

Question 23: Where's the black queen? [Board: white on top] [Contents] [Next Problem] [Back] [Coordinates]

a4 a5 f5 h4

Question 24: What's the color of the square under the black rook? [Contents] [Next Problem] [Back] [Coordinates]

black white

Question 25: Where's the white rook? [Board: white on top] [Contents] [Next Problem] [Back] [Coordinates]

c2 c7 f2 g7

Question 26: What's the color of the square under the white queen? [Contents] [Next Problem] [Back] [Coordinates]

black white

Question 27: Where's the black king? [Board: white on top] [Contents] [Next Problem] [Back] [Coordinates]

b8 b1 g1 g8

Question 28: What's the color of the square under the white pawn? [Contents] [Next Problem] [Back] [Coordinates]

black white


f3 f6 c6 c3

Question 30: What's the color of the square under the black king? [Contents] [Next Problem] [Back] [Coordinates]

black white

Question 31: Where's the black king? [Board: white on bottom] [Contents] [Next Problem] [Back] [Coordinates]

e6 d6 e3 d3

Question 32: What's the color of the square under the white pawn? [Contents] [Next Problem] [Back] [Coordinates]

black white

Question 33: Where's the black rook? [Board: white on bottom] [Contents] [Next Problem] [Back] [Coordinates]

a8 h8 h1 a1

Question 34: What's the color of f3? [Contents] [Next Problem] [Back] [Coordinates]

black white

Question 35: Where's the black queen? [Board: white on bottom] [Contents] [Next Problem] [Back] [Coordinates]

b8 g1 g8 b1

Question 36: What's the color of c6? [Contents] [Next Problem] [Back] [Coordinates]

black white


e5 d4 d5 e4

Question 38: What's the color of a4? [Contents] [Next Problem] [Back] [Coordinates]

black white

Question 39: Where's the black bishop? [Board: white on top] [Contents] [Next Problem] [Back] [Coordinates]

e5 d4 d5 e4

Question 40: What's the color of g8? [Contents] [Next Problem] [Back] [Coordinates]

black white


f4 c4 c5 f5

Question 42: What's the color of d3? [Contents] [Next Problem] [Back] [Coordinates]

black white


g5 b4 b5 g4

Question 44: What's the color of e5? [Contents] [Next Problem] [Back] [Coordinates]

black white


c4 d4 e5 e4

Question 46: What's the color of b4? [Contents] [Next Problem] [Back] [Coordinates]

black white


c2 c7 f3 f6

Question 48: What's the color of h7? [Contents] [Next Problem] [Back] [Coordinates]

black white

Question 49: Where's the white rook? [Board: white on top] [Contents] [Next Problem] [Back] [Coordinates]

f7 c7 c2 f2


black white

Question 51: Where's the white queen? [Board: white on top] [Contents] [Next Problem] [Back] [Coordinates]

c4 c5 f5 f4

Question 52: What's the color of b1? [Contents] [Next Problem] [Back] [Coordinates]

black white

Question 53: Where's the black queen? [Board: white on bottom] [Contents] [Next Problem] [Back] [Coordinates]

b6 g3 g6 b3

Question 54: What's the color of h4? [Contents] [Next Problem] [Back] [Coordinates]

black white

Question 55: Where's the black rook? [Board: white on bottom] [Contents] [Next Problem] [Back] [Coordinates]

b1 b8 g1 g8

Question 56: What's the color of f8? [Contents] [Next Problem] [Back] [Coordinates]

black white

Question 57: Where's the black king? [Board: white on bottom] [Contents] [Next Problem] [Back] [Coordinates]

e6 d3 e3 d6

Question 58: What's the color of c1? [Contents] [Next Problem] [Back] [Coordinates]

black white

Question 59: Where's the white pawn? [Board: white on bottom] [Contents] [Next Problem] [Back] [Coordinates]

d7 e2 d2 e7


black white

Question 61: Where's the black knight? [Board: white on bottom] [Contents] [Next Problem] [Back] [Coordinates]

a1 h8 a8 h1

Question 62: What's the color of d8? [Contents] [Next Problem] [Back] [Coordinates]

black white

Question 63: Where's the black knight? [Board: white on bottom] [Contents] [Next Problem] [Back] [Coordinates]

d1 e8 d8 e1

Question 64: What's the color of g5? [Contents] [Next Problem] [Back] [Coordinates]

black white


Section II: Visualization Exercises 1-4 (65-85)

Visualization Exercise 1: Take a few minutes to remember the game position. You'll be quizzed about the locations. [Contents] [Next] [Back] [Coordinates] 65 66 67 68 69 70

65. What's located at f6? [Contents] [Next Problem] [Back] [Coordinates] [Vis-1 Board]

white pawn black pawn black knight nothing


white pawn nothing black pawn white bishop

67. Where's the black king? [Contents] [Next Problem] [Back] [Coordinates] [Vis-1 Board]

b7 e8 g7 g8

68. What's located at e3? [Contents] [Next Problem] [Back] [Coordinates] [Vis-1 Board]

white pawn white queen nothing white knight

69. Where's the white queen? [Contents] [Next Problem] [Back] [Coordinates] [Vis-1 Board]

c2 d1 f2 e3

70. What's located at c8? [Contents] [Next Problem] [Back] [Coordinates] [Vis-1 Board]

nothing black rook black bishop black queen

Visualization Exercise: 2 Take a few minutes to remember the game position. You'll be quizzed about the locations. [Contents] [Next Problem] [Back] [Coordinates] 71 72 73 74 75


white queen black knight nothing white rook

72. Where's white side's white bishop? [Contents] [Next Problem] [Back] [Coordinates] [Vis-2 Board]

f3 c1 c2 f1

73. What's located at a7? [Contents] [Next Problem] [Back] [Coordinates] [Vis-2 Board]

black pawn black knight white pawn nothing

74. What's located at d5? [Contents] [Next Problem] [Back] [Coordinates] [Vis-2 Board]

nothing white pawn black pawn black knight

75. What's located at g7? [Contents] [Next Problem] [Back] [Coordinates] [Vis-2 Board]

nothing black bishop black knight black queen


76. Where's the black king? [Contents] [Next Problem] [Back] [Coordinates] [Vis-3 Board]

g8 g7 c8 e8

77. What's located at a5? [Contents] [Next Problem] [Back] [Coordinates] [Vis-3 Board]

black queen nothing black pawn white pawn

78. What's located two squares above the white queen? [Contents] [Next Problem] [Back] [Coordinates] [Vis-3 Board]

nothing white pawn white bishop white knight

79. What's located at g5? [Contents] [Next Problem] [Back] [Coordinates] [Vis-3 Board]

black pawn nothing white bishop black bishop


black king nothing white queen black knight


81. Where's the white queen? [Contents] [Next Problem] [Back] [Coordinates] [Vis-4 Board]

d1 not on the board c2 b2

82. Where's the black queen? [Contents] [Next Problem] [Back] [Coordinates] [Vis-4 Board]

d2 e2 d7 e7


white knight nothing white bishop white pawn


black knight white bishop white pawn nothing


black pawn nothing white bishop black knight


Section III: Visualization Exercises 5-10 (Replay 6 Games)

Visualization 5: (GAME #1) [white] Elmar Magerramov vs [black] Garry Kasparov (1973) You are playing black. 1. e4 c5 2. Nc3 e6 [Contents] [Next] [Back] [Coordinates]

Visualization 5: (GAME #1) 3. Nf3 Nc6 4. d4 cxd4 [Contents] [Next] [Back] [Coordinates]

Visualization 5: (GAME #1) 5. Nxd4 d6 6. Be3 Nf6 [Contents] [Next] [Back] [Coordinates]

Visualization 5: (GAME #1) 7. Be2 a6 8. f4 Be7 [Contents] [Next] [Back] [Coordinates]

Visualization 5: (GAME #1) 9. O-O Bd7 10. Nb3 b5 [Contents] [Next] [Back] [Coordinates]

Visualization 5: (GAME #1) 11. Bf3 Qc7 12. a3 Rb8 [Contents] [Next] [Back] [Coordinates]

Visualization 5: (GAME #1) 13. Qe1 a5 14. Qg3 a4 [Contents] [Next] [Back] [Coordinates]

Visualization 5: (GAME #1) 15. Nd4 Nxd4 16. Bxd4 b4 [Contents] [Next] [Back] [Coordinates]

Visualization 5: (GAME #1) 17. axb4 Rxb4 18. Ne2 O-O [Contents] [Next] [Back] [Coordinates]

Visualization 5: (GAME #1) 19. Bc3 Rc4 20. e5 dxe5 [Contents] [Next] [Back] [Coordinates]

Visualization 5: (GAME #1) 21. fxe5 Nd5 22. Bxd5 Qc5+ [Contents] [Next] [Back] [Coordinates]

Visualization 5: (GAME #1) 23. Kh1 Qxd5 24. Nf4 Qe4 [Contents] [Next] [Back] [Coordinates]

Visualization 5: (GAME #1) 25. Rae1 Qxc2 26. Re2 Qf5 [Contents] [Next] [Back] [Coordinates]

Visualization 5: (GAME #1) 27. Ref2 Bc5 28. Rd2 Bc6 [Contents] [Next] [Back] [Coordinates]

Visualization 5: (GAME #1) 29. Rdd1 h5 30. h3 h4 [Contents] [Next] [Back] [Coordinates]

Visualization 5: (GAME #1) 31. Qh2 Qg5 32. Nd3 Bd4 [Contents] [Next] [Back] [Coordinates]

Visualization 5: (GAME #1) 33. Rf4 Rd8 34. Rdf1 Rd7 35. Be1 Bxe5 [Contents] [Next] [Back] [Coordinates]

Visualization 5: (GAME #1) [white] Elmar Magerramov vs [black] Garry Kasparov (1973) 0-1 [Contents] [Next] [Back] [Coordinates] Congratulations on finishing the game!

Visualization 6: (GAME #2) [white] Bobby Fischer vs [black] Larry Evans (1963) [Contents] [Next] [Back] [Coordinates] You are playing white. 1. e4 e5 2. f4 exf4 3. Bc4 Qh4+

Visualization 6: (GAME #2) 4. Kf1 d6 5. Nc3 Be6 6. Qe2 c6 [Contents] [Next] [Back] [Coordinates]

Visualization 6: (GAME #2) 7. Nf3 Qe7 8. d4 Bxc4 9. Qxc4 g5 [Contents] [Next] [Back] [Coordinates]

Visualization 6: (GAME #2) 10. e5 d5 11. Qd3 Na6 12. Ne2 Nb4 [Contents] [Next] [Back] [Coordinates]

Visualization 6: (GAME #2) 13. Qd1 O-O-O 14. c3 Na6 15. h4 g4 [Contents] [Next] [Back] [Coordinates]

Visualization 6: (GAME #2) 16. Nh2 h5 17. Nxf4 Qxh4 18. Kg1 Nh6 [Contents] [Next] [Back] [Coordinates]

Visualization 6: (GAME #2) 19. Nf1 Qe7 20. Nxh5 Rg8 21. Nfg3 Rg6 [Contents] [Next] [Back] [Coordinates]

Visualization 6: (GAME #2) 22. Nf4 Rg5 23. Be3 Nc7 24. Qd2 Rg8 [Contents] [Next] [Back] [Coordinates]

Visualization 6: (GAME #2) 25. Nfe2 f6 26. exf6 Qxf6 27. Bxh6 Bd6 [Contents] [Next] [Back] [Coordinates]

Visualization 6: (GAME #2) 28. Rf1 Qe6 29. Bf4 Rde8 30. Rh6 Bxf4 [Contents] [Next] [Back] [Coordinates]

Visualization 6: (GAME #2) 31. Qxf4 Qe7 32. Rf6 Ne6 33. Qe5 Ng5 [Contents] [Next] [Back] [Coordinates]

Visualization 6: (GAME #2) 34. Qxe7 Rxe7 35. Rf8+ Rxf8 36. Rxf8+ [Contents] [Next] [Back] [Coordinates]

Visualization 6: (GAME #2) [white] Bobby Fischer vs [black] Larry Evans (1963) (1-0) [Contents] [Next] [Back] [Coordinates] Well done! You've completed the exercise.

Visualization 7: (GAME #3) [white] Alexander Alekhine vs [black] Johannes Hjalmar Giersing (1912) [Contents] [Next] [Back] [Coordinates] You are playing white. 1. c4 e6 2. e4 d5 3. exd5 exd5 4. cxd5 Qxd5

Visualization 7: (GAME #3) 5. Nf3 Nf6 6. Nc3 Qa5 7. Bb5+ c6 8. Bc4 Be7 [Contents] [Next] [Back] [Coordinates]

Visualization 7: (GAME #3) 9. Qe2 Qd8 10. O-O O-O 11. h3 Bf5 12. d4 Nbd7 [Contents] [Next] [Back] [Coordinates]

Visualization 7: (GAME #3) 13. Nh4 Bg6 14. Re1 Re8 15. Nxg6 hxg6 16. Bg5 Nb6 [Contents] [Next] [Back] [Coordinates]

Visualization 7: (GAME #3) 17. Bb3 Qxd4 18. Rad1 Qc5 19. Bxf6 gxf6 20. Ne4 Qh5 [Contents] [Next] [Back] [Coordinates]

Visualization 7: (GAME #3) 21. Qxh5 gxh5 22. Ng3 h4 23. Nf5 Bb4 24. Rxe8+ Rxe8 [Contents] [Next] [Back] [Coordinates]

Visualization 7: (GAME #3) 25. Rd4 Re1+ 26. Kh2 Bc5 27. Rg4+ Kf8 28. Rxh4 Kg8 [Contents] [Next] [Back] [Coordinates]

Visualization 7: (GAME #3) 29. Rg4+ Kf8 30. h4 Bxf2 31. h5 Bg1+ 32. Kg3 Rf1 [Contents] [Next] [Back] [Coordinates]

Visualization 7: (GAME #3) 33. Bc2 Nd7 34. h6 Bf2+ 35. Kh2 Ne5 36. Rg7 Bg1+ [Contents] [Next] [Back] [Coordinates]

Visualization 7: (GAME #3) 37. Kh3 Bf2 38. g3 Ng6 39. h7 [Contents] [Next] [Back] [Coordinates]

Visualization 7: (GAME #3) [white] Alexander Alekhine vs [black] Johannes Hjalmar Giersing (1912) (1-0) [Contents] [Next] [Back] [Coordinates] Excellent! Keep up your visualization practice.

Visualization 8: (GAME #4) [white] Daniel Harrwitz vs [black] Paul Morphy (1858) [Contents] [Next] [Back] [Coordinates] You are playing black. 1. d4 f5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O

Visualization 8: (GAME #4) 6. Bd3 b6 7. Nge2 Bb7 8. O-O Nh5 9. Bxe7 Qxe7 10. Ng3 Nxg3 [Contents] [Next] [Back] [Coordinates]

Visualization 8: (GAME #4) 11. hxg3 d6 12. f4 Nc6 13. g4 Nb4 14. gxf5 exf5 15. Qd2 Rae8 [Contents] [Next] [Back] [Coordinates]

Visualization 8: (GAME #4) 16. Rae1 Qh4 17. Bb1 Re6 18. Qf2 Qh5 19. d5 Rh6 20. Qf3 Qh4 [Contents] [Next] [Back] [Coordinates]

Visualization 8: (GAME #4) 21. a3 Na6 22. b4 Nb8 23. Ne2 Nd7 24. Ng3 g6 25. Kf2 Nf6 [Contents] [Next] [Back] [Coordinates]

Visualization 8: (GAME #4) 26. Rh1 Ng4+ 27. Kg1 Qf6 28. Rxh6 Nxh6 29. Qd1 Ng4 30. Qd2 Qh4 [Contents] [Next] [Back] [Coordinates]

Visualization 8: (GAME #4) 31. Nf1 Re8 32. g3 Qh3 33. b5 Nf6 34. Qg2 Qxg2+ 35. Kxg2 a6 [Contents] [Next] [Back] [Coordinates]

Visualization 8: (GAME #4) 36. a4 axb5 37. axb5 Ra8 38. Nd2 Ra3 39. e4 fxe4 40. Nxe4 Nxe4 [Contents] [Next] [Back] [Coordinates]

Visualization 8: (GAME #4) 41. Bxe4 Rc3 42. Bf3 Kf7 43. Re4 Bc8 44. Be2 Bf5 45. Rd4 h5 [Contents] [Next] [Back] [Coordinates]

Visualization 8: (GAME #4) 46. Kf2 Kf6 47. Rd2 Bc2 48. Ke1 Be4 49. Kf2 Kf5 50. Ra2 h4 [Contents] [Next] [Back] [Coordinates]

Visualization 8: (GAME #4) 51. gxh4 Kxf4 52. Ra7 Rh3 53. Rxc7 Rh2+ 54. Ke1 Ke3 [Contents] [Next] [Back] [Coordinates]

Visualization 8: (GAME #4) [white] Daniel Harrwitz vs [black] Paul Morphy (1858) (0-1) [Contents] [Next] [Back] [Coordinates] Super! Keep up your excellent effort.

Visualization 9: (GAME #5) [white] Bobby Fischer vs [black] Matthew Green (1957) [Contents] [Next] [Back] [Coordinates] You are playing white. 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 c5 6. Nbd2 Nc6

Visualization 9: (GAME #5) 7. e4 d6 8. a4 Rb8 9. Nc4 b6 10. e5 dxe5 11. Nfxe5 Nxe5 12. Nxe5 Bb7 [Contents] [Next] [Back] [Coordinates]

Visualization 9: (GAME #5) 13. Nc6 Bxc6 14. Bxc6 Nd5 15. Re1 e6 16. c3 Qd6 17. Bb5 Rbd8 18. Qf3 h6 [Contents] [Next] [Back] [Coordinates]

Visualization 9: (GAME #5) 19. Bd2 Kh7 20. Bc4 a5 21. Qe4 e5 22. Re2 f5 23. Qh4 f4 24. Qh3 Rf5 [Contents] [Next] [Back] [Coordinates]

Visualization 9: (GAME #5) 25. g4 Rf7 26. Qf3 Rfd7 27. Kh1 Qf6 28. Rg1 Qg5 29. Bc1 Rd6 30. h3 R6d7 [Contents] [Next] [Back] [Coordinates]

Visualization 9: (GAME #5) 31. Kg2 Qh4 32. Rge1 Qg5 33. Qe4 h5 34. Qf3 Bf6 35. Kh2 hxg4 36. Qxg4 Qxg4 [Contents] [Next] [Back] [Coordinates]

Visualization 9: (GAME #5) 37. hxg4 Kh6 38. Kg2 g5 39. Kf3 Kg6 40. Rh1 Bg7 41. Ree1 Rh8 42. Rxh8 Bxh8 [Contents] [Next] [Back] [Coordinates]

Visualization 9: (GAME #5) 43. Rh1 Bg7 44. Ke2 Rd6 45. Bd2 Nf6 46. f3 Rd8 47. b4 Rh8 48. Rxh8 Bxh8 [Contents] [Next] [Back] [Coordinates]

Visualization 9: (GAME #5) 49. bxa5 bxa5 50. Be6 Ne8 51. c4 Kf6 52. Bd7 Ke7 53. Bxe8 Kxe8 54. Bxa5 Kd7 [Contents] [Next] [Back] [Coordinates]

Visualization 9: (GAME #5) 55. Bb6 Kc6 56. Bd8 Bg7 57. Bxg5 Kb6 58. Bd8+ [Contents] [Next] [Back] [Coordinates]

Visualization 9: (GAME #5) [white] Bobby Fischer vs [black] Matthew Green (1957) (1-0) [Contents] [Next] [Back] [Coordinates] You are doing very well!

Visualization 10: (GAME #6) [white] Jules De Riviere vs [black] Mikhail Chigorin (1883) [Contents] [Next] [Back] [Coordinates] You are playing black. 1. Nf3 d5 2. d4 Nf6 3. e3 Bg4 4. c4 e6 5. Nc3 c6 6. a3 Nbd7 7. b3 Ne4 8. Bb2 Bd6 9. Qc2 f5 10. Ne5 Bxe5

Visualization 10: (GAME #6) 11. dxe5 Qh4 12. cxd5 exd5 13. g3 Qh5 14. Ne2 Bf3 15. Nf4 Qh6 16. Bg2 Bxg2 17. Nxg2 O-O 18. O-O Rae8 19. f3 Ng5 20. h4 Ne6 [Contents] [Next] [Back] [Coordinates]

Visualization 10: (GAME #6) 21. f4 Nec5 22. Ne1 Qg6 23. Kh2 Ne4 24. Rg1 Re6 25. Nd3 Qh6 26. Raf1 Rg6 27. b4 Nb6 28. Nf2 Nc4 29. Bc1 Nxf2 30. Rxf2 Rg4 [Contents] [Next] [Back] [Coordinates]

Visualization 10: (GAME #6) 31. Kh3 Qe6 32. Qd3 h6 33. Kg2 Qg6 34. Kh2 Re8 35. Qd1 Qh5 36. Qf3 Re6 37. Rgg2 Qe8 38. Kg1 Qd8 39. Qd1 h5 40. Rc2 b5 [Contents] [Next] [Back] [Coordinates]

Visualization 10: (GAME #6) 41. Qd3 Qf8 42. Bb2 Reg6 43. Kh2 Re6 44. Bd4 Qf7 45. Ra2 Re7 46. a4 a6 47. axb5 axb5 48. Bc5 Re8 49. Ra7 Qe6 50. Qc3 Rg6 [Contents] [Next] [Back] [Coordinates]

Visualization 10: (GAME #6) 51. Qa1 Rg4 52. Bd4 Re7 53. Ra8+ Re8 54. Rga2 Rxa8 55. Rxa8+ Kh7 56. Rf8 Nd2 57. Bc5 Qg6 58. Qa8 Nf1+ 59. Kg2 Rxg3+ 60. Kf2 Rg2+ [Contents] [Next] [Back] [Coordinates]

Visualization 10: (GAME #6) [Contents] [Next] [Back] [Coordinates] Very cool!


Section IV: Calculation Exercises (1-55)

Calculation Exercise #1: Calculate for when white plays e4? [Contents] [Next] [Back] [Coordinates]

Did you see this variation? 1. e4 dxe4 2. Nxe4+Ke7 3. Nxd6 Qxd6 [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #2: Calculate for when black plays c5? [Contents] [Next] [Back] [Coordinates]

Did you see this variation? 1...c5 2. dxc5 Qxe5 3. Rxd5 Qf4+ 4. Kb1 [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #3: Calculate for when black plays b3? [Contents] [Next] [Back] [Coordinates]

Did you see this? 1...b3 2. c3 bxa2 3. Rxa2 Rfb8 4. Rxa4 Rxb2 [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #4: Calculate for when black plays Bb5? [Contents] [Next] [Back] [Coordinates]

Did you see this variation?1. ... Bb5 2. Rxa8 Rxa8 3. Rxa8+ Qxa8 [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #5: Calculate for what could happen after 1. Bg4 g5? [Contents] [Next] [Back] [Coordinates]

Did you see this ? 1. Bg4 g5 2. Bxh3 gxf4 3. gxf4 and followed by 4.e6? [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #6: Calculate for what could happen after 1. Bg5 Rxc3? [Contents] [Next] [Back] [Coordinates]

Did you see this? 1.Bg5 Rxc3 2.Qxc3 Qxc3 3. bxc3 Rc8 [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #7: calculate for what could happen after 1. Bxc4 Bxc4 [Contents] [Next] [Back] [Coordinates]

Did you see this? 1. Bxc4 Bxc4 2. Rxd6 Nb5 3. Rd8+ Rxd8 4.Bxd8 [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #8: calculate for what could happen after black plays 1...d4 [Contents] [Next] [Back] [Coordinates]

Did you see this ? 1... d4 2. Bxd4 Be6 3. Bxg7 Qxd3 4. Bxh6+ Kh7 5. Rg7+ [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #9: calculate for what could happen after 1. ...Bf5 2. Bd3 [Contents] [Next] [Back] [Coordinates]

Did you see this variation? 1... Bf5 2. Bd3 Bxe4 3. Bxe4 Qe7 4. Ng5 h6 [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #10: calculate for what could happen after 1. e3 [Contents] [Next] [Back] [Coordinates]

Did you see this variation? 1. e3 hxg5 2. exd4 exf3 3. Bxf3 [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #11: calculate for what could happen after black castles. 1...0-0 [Contents] [Next] [Back] [Coordinates]

Did you see this variation? 1. ...O-O 2. Nxc6 bxc6 3. Bxc5 Nxc5 4. Bxc6 Ba6 [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #12: calculate for what could happen after 1.Rxc7 Qxa2 [Contents] [Next] [Back] [Coordinates]

Did you see this variation? 1. Rxc7 Qxa2 2. Qa3 Qxa3 3. bxa3 Be2 4. Rd6 [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #13: calculate for what could happen after 1. Ncxd5 [Contents] [Next] [Back] [Coordinates]

Did you see this variation? 1. Ncxd5 exd5 2. Nxd5 Bxg4 3. Rxg4 Qd6 [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #14: calculate for what could happen after 1. Bf4+ Nce5 [Contents] [Next] [Back] [Coordinates]

Did you see this variation? 1.Bf4+ Nce5 2. Bxe5 Qxd5 3. Bxh8+ Kd7 4. Be5 [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #15: calculate for what could happen after 1. Qe4 Qa5+ [Contents] [Next] [Back] [Coordinates]

Did you see this variation? 1. Qe4 Qa5+ 2. c3 Nxe5 3. Qf5+ [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #16: calculate for what could happen after 1. h5 h6 [Contents] [Next] [Back] [Coordinates]

Did you see this? 1. h5 h6 2. hxg6 hxg5 3. Rh7 Rxh7 4. gxh7 Ngf6 5. Qxg5 [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #17: calculate for what could happen after black plays 1...d6 [Contents] [Next] [Back] [Coordinates]

Did you see this? 1...d6 2. Nb7+ Bxb7 3. Rxb7 Nc4 4. Rxf7 Ne5 5. Rxa7 [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #18: calculate for what could happen after black plays 1... Bf5 [Contents] [Next] [Back] [Coordinates]

Did you see this? 1...Bf5 2. Qe2 Qxb4+ 3. Kf1 Bxc2 4. Qxc2 Qc4+ 5. Qe2 Qxe2+ 6. Kxe2 hxg5 7. hxg5 [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #19: calculate for what could happen after white plays 1. f4 [Contents] [Next] [Back] [Coordinates]

Did you see this? 1. f4 Ng6 2. g4 Nxf4 3. Nxf4 Rxe3 4. gxf5 Qg5+ 5. Ng2 [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #20: calculate for what could happen after black plays 1...g5 [Contents] [Next] [Back] [Coordinates]

Did you see this? 1... g5 2. Qd4 gxf4 3. Bxf4 Nxf4 4. Qxf4 Rh5 5. Rg1 Qxe5 6. Qxe5 Rxe5 [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #21: calculate for what could happen after white plays 1. Rb1 [Contents] [Next] [Back] [Coordinates]

Did you see this? 1. Rb1 Bxa3 2. Rxb2 Bxb2 3. f5 d3 4. Ng1 d2 5. Rd1 Be5 [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #22: calculate for what could happen after white plays 1. Rb3 [Contents] [Next] [Back] [Coordinates]

Did you see this? 1. Rb3 Nxc3 2. Nxc3 Rfc8 3. dxe5 Be6 4. Rbb1 Rxc3 5. Rxc3 Bxc3 [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #23: calculate for what could happen after black plays 1... Na4 [Contents] [Next] [Back] [Coordinates]

Did you see this? 1... Na4 2. Rxc6 Qxb2+ 3. Kd2 Rd4+ 4. Ke2 Rxd1 5. Qa7 Rf8 6. Qxe7 Bg7 [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #24: calculate for what could happen after 1. Rd1 Qe6 [Contents] [Next] [Back] [Coordinates]

Did you see this? 1. Rd1 Qe6 2. Qh8+ Qg8 3. Bxg7+ Rxg7 4. Rxd5 [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #25: calculate for what could happen after black plays 1... Qa5 [Contents] [Next] [Back] [Coordinates]

Did you see this? 1...Qa5 2. Qxe4 Bxc3+ 3. Bd2 Bxd2+ 4. Nxd2 cxd4 5. Qxd4 [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #26: calculate for what could happen after 1. Rhd1 Rc6 [Contents] [Next] [Back] [Coordinates]

Did you see this? 1. Rhd1 Rc6 2. Qa5 Qc8 3. Rd4 f5 4. Rd3 Ra6 5. Qd2 Bf8 6. Qc3 [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #27: calculate for what could happen after 1. Ne5+ [Contents] [Next] [Back] [Coordinates]

Did you see this? 1. Ne5+ Nxe5 2. dxe5 Nxh7 3. Qxh7 Qb6 4. Nd1 Qd4 5. Qh5+ Kf8 6. e3 Qxe5 [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #28: calculate for what could happen after 1.c4 [Contents] [Next] [Back] [Coordinates]

Did you see this? 1. c4 cxd4 2. cxd5 exd5 3. Nxd4 Nxd4 4. Bxd4 Bf6 5. Nxe4 dxe4 6. Bxf6 Qxf6 [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #29: calculate for what could happen after 1.Bc6 Be5 [Contents] [Next] [Back] [Coordinates]

Did you see this? 1.Bc6 Be5 2. Bxe8 Bxd6 3. Bxg6 Kg7 4. Be8 Kf6 5. Bc6 [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #30: calculate for what could happen after 1. cxd5 [Contents] [Next] [Back] [Coordinates]

Did you see this? 1. cxd5 Nxd5 2. Bxd5 exd5 3. Rxd5 Be6 4. Rdd1 Bxb3 5. axb3 [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #31: calculate for what could happen after 1. Nf5 [Contents] [Next] [Back] [Coordinates]

Did you see this? 1. Nf5 f6 2. Nxd6 Re7 3. g5 Nxa4 4. gxf6 Nxf6 5. Qg5 [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #32: calculate for what could happen after 1. Nd5 [Contents] [Next] [Back] [Coordinates]

Did you see this? 1. Nd5 Nxd5 2. R1h7+ Kf6 3. Rf8 Bb7 4. Rfxf7+ Ke5 5. exd5 Kd4 6. Rxc7 Bxd5 [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #33: calculate for what could happen after black plays 1...Bxd5 [Contents] [Next] [Back] [Coordinates]

Did you see this? 1...Bxd5 2. Qh7+ Kf8 3. Rxd5 Nxd5 4. Bh6 and black can't save the game. [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #34: calculate for what could happen after 1. Ra8 Bc6 [Contents] [Next] [Back] [Coordinates]

Did you see this? 1. Ra8 Bc6 2. Rxc8 Rxc8 3. Ra6 Bb7 4. Rb6 Rc6 5. Rxb7 Qxb7 6. Qf6 [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #35: calculate for what could happen after black plays 1.Bd4 [Contents] [Next] [Back] [Coordinates]

Did you see this? 1.. Bd4 2. Bxd4 cxd4 3. Nf3 d3 4. Kc5 Kh5 5. Kb6 Nd4 6. Kxa7 Nxf3 7. Ne4 Ng5 8. Nd2 [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #36: calculate for what could happen after 1. Rh7 Rxh7 [Contents] [Next] [Back] [Coordinates]

Did you see this? 1. Rh7 Rxh7 2. gxh7 Ngf6 3. Qxg5 Kf8 4. Qh4 Kf7 5. Ne5+ Nxe5 6. dxe5 Nxh7 7. Qxh7 [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #37: calculate for what could happen after black plays 1... Nc2 and white plays 2. Qh6 [Contents] [Next] [Back] [Coordinates]

Did you see this? 1... Nc2 2. Qh6 Nxf2+ 3. Kd2 Qe7 4. Bxd3 Nxd3 5. Kxc2 Qe2+ 6. Kc3 Nf2 7. Ne5 Rxe5 [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #38: calculate for what could happen after white plays Kf2. [Contents] [Next] [Back] [Coordinates]

Did you see this? 1. Kf2 Bxf3 2. Bxf3 Qd2+ 3. Kg3 Bd6+ 4. Kh3 Rxc3 5. Qxc3 Qh6+ 6. Kg4 f5+ 7. Kxf5 Qg6 checkmate. [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #39: calculate for what could happen after Bxf7+. [Contents] [Next] [Back] [Coordinates]

Did you see this? 1. Bxf7+ Kxf7 2. Qxd7+ Kf6 3. Rad1 Rhg8 4. Rd6+ Kg5 5. h4+ Kxh4 6. Qf5 Bxg2 7. Kxg2 Bh6+ 8. Kf3 [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #40: calculate for what could happen after black plays Be2. [Contents] [Next] [Back] [Coordinates]

Did you see this? 1.Be2 2. a4 Qd7 3. Nxd6 cxd6 4. Rg1 Nce4 5. Qe1 Ng4 6. Qxe2 Ng3+ [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #41: calculate for what could happen after white plays Bxd5. [Contents] [Next] [Back] [Coordinates]

Did you see this? 1. Bxd5 Nxd5 2. Rcd1 Nf6 3. Re7 Rfe8 4. Nf5 Rxe7 5. dxe7 Re8 6. Re1 Rb8 7. g4 Kh7 8. h4 g6 9. g5 [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #42: calculate for what could happen after white plays Ng5. [Contents] [Next] [Back] [Coordinates]

Did you see this? 1. Ng5 Qe7 2. b6 Nxe3 3. bxa7 Qxg5 4. Nb6+ [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #43: calculate for what could happen after white plays Rd2. You are playing the black side. [Contents] [Next] [Back] [Coordinates]

Did you see this? 1. Rd2 Rxd2 2. Kxd2 Ne4+ 3. fxe4 Qxe4 4. Nf3 Qxf3 5. Re1 Qe4 6. Re2 Nxc4+ 7. Kd1 Bg4 8. Bc1 b5 [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #44: calculate for what could happen after white plays Bxf6+. [Contents] [Next] [Back] [Coordinates]

Did you see this? 1. Bxf6+ Bxf6 2. Ne4 Bxb2 3. Ng5 Qe7 4. Nxe6+ Kh7 5. Nf8+ [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #45: Black just played Ng5. Calculate for what you could do playing the white side. [Contents] [Next] [Back] [Coordinates]

Did you see this? 1. Nd3 Bxd3 2. Qxd3 Nf7 3. Rf2 Qe3 4. Qxe3 Rxe3 5. Re2 [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #46: calculate for what could happen after black plays Ne5. [Contents] [Next] [Back] [Coordinates]

Did you see this? 1... Ne5 2. d6 Nxf3+ 3. Qxf3 Qxd6 4. Qxb7 Rb8 5. Qa7 Rc8 6. Rfd1 Qc7 7. Qxa6 [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #47: calculate for what could happen after white plays the bold move Bxg7. [Contents] [Next] [Back] [Coordinates]

Did you see this? 1. Bxg7 Kxg7 2. Nh5+ Kf8 3. Qxh6+ Ke7 4. Qg5+ Kd6 5. Nf6 Qe5 6. b4 Qxg5 7. Ne4+ Ke7 [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #48: calculate for what could happen after white plays Rfb1. [Contents] [Next] [Back] [Coordinates]

Did you see this? 1. Rfb1 Rh7 2. Qg3 Nb6 3. Rxb6 axb6 4. Qg8+ Qe8 5. Qxh7 [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #49: calculate for what could happen after white plays f5. [Contents] [Next] [Back] [Coordinates]

Did you see this? 1. f5 exf5 2. exf5 Qf7 3. Rg3 Qg7 4. Bd5+ Kh8 5. Qxg7+ Nxg7 6. fxg6 [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #50: calculate for what could happen after black plays f4. [Contents] [Next] [Back] [Coordinates]

Did you see this? 1... f4 2. Qxa5 Be2 3. Re1 f3 4. Nc3 Nd3 5. Nxe2 fxg2 6. f3 Qg5 [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #51: calculate for what could happen after black plays f5. [Contents] [Next] [Back] [Coordinates]

Did you see this? 1. f5 2. Nxg6 Ng4 3. Bc4+ Rf7 4. Bxg7 Kxg7 5. Bxf7 Kxf7 6. Qxg4 Qd5 7. Nh4 [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #52: calculate for what could happen after white plays Qxg5 and black plays Bh3. [Contents] [Next] [Back] [Coordinates]

Did you see this? 1. Qxg5 Bh3 2. Rf3 Nxe4 3. Qh4 Qg6 [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #53: calculate for what could happen after white plays g4. [Contents] [Next] [Back] [Coordinates]

Did you see this? 1. g4 hxg4 2. Bh6 Nc4 3. Bxc4 Rxc4 4. Bxg7 Kxg7 5. h5 g5 6. fxg4 [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #54: calculate for what could happen after white plays Qc2. [Contents] [Next] [Back] [Coordinates]

Did you see this? 1. Qc2 Nxc3 2. Bxf5 Ncxd5 3. Bxh7+ Kh8 4. Bd3 Nf6 5. O-O [Contents] [Next Problem] [Back] [Coordinates]

Calculation Exercise #55: calculate for what could happen after black plays g5. [Contents] [Next] [Back] [Coordinates]

Did you see this? 1... g5 2. Be3 f4 3. gxf4 Re2 4. Rxe2 Qxe2 5. h3 Qd1+ 6. Kh2 Bf1 [Contents] [Next] [Back] [Coordinates]

Thank you! We hope you enjoyed this book. Look for our other published books and upcoming books. [Contents]

Sorry, no.

Click here to guess again

Good!

Click here to go to next question

Close but not correct.




Correct!


Sorry, no.


Sorry, no.


Sorry, no.


Sorry, no.


Correct!


Good!

Click here to go to the next question

Sorry, no.


Sorry, no.




Sorry, no.


Good!


Good!


Sorry, no.




Good!


Sorry, no.


Sorry, no.


No. Try again.


Correct!


No. Try again.


Sorry, no.


Correct!


Sorry, no.


Good!


Sorry, no.


Good!


Sorry, no.


Sorry, no.


Sorry, no.


Good!


No. Try again.


Sorry, no.


No. Try again.


Sorry, no.


Good!


No. Try again.


Good!


Sorry, no.


No. Try again.


Good!


Sorry, no.


Correct!




No. Try again.


No. Try again.


Good!




Good!


Sorry, no.


Sorry, no.


Sorry, no.


Good!


No. Try again.


No. Try again.


Good!


Good!


No. Try again.


Sorry, no.


Sorry, no.


Good!


No. Try again.




Sorry, no.




Correct!


Correct!


No. Try again.


No. Try again.




Good!


No. Try again.


No. Try again.


Good!


No. Try again.






Good!


No. Try again.


Correct!




No. Try again.


Good!


No. Try again.


Good!


No. Try again.


No. Try again.


Correct!


No. Try again.


Sorry, no.


No. Try again.


Good!


No. Try again.


No. Try again.


Correct!


Sorry, no.


Sorry, no.


Correct!


No. Try again.


Sorry, no.


Correct!


Sorry, no.


Sorry, no.


Good!


No. Try again.


Correct!




Sorry, no.


Sorry, no.


Correct!


Correct!


No. Try again.


Sorry, no.


Sorry, no.


Sorry, no.


Good!


Sorry, no.


No. Try again.


Correct!


Sorry, no.


No. Try again.


Correct!


Correct!


Sorry, no.


Sorry, no.


Sorry, no.


Good!


Sorry, no.


No. Try again.


Correct!


No. Try again.


No. Try again.


Correct!


Sorry, no.


No. Try again.


Correct!


No. Try again.




No. Try again.


Correct!








Good!


No. Try again.


Correct!


Sorry, no.


No. Try again.


No. Try again.


Correct!


No. Try again.


Correct!


Good!


No. Try again.




Sorry, no.


Correct!


Sorry, no.






Sorry, no.


Correct!


Good!


No. Try again.


Good!


Sorry, no.


Sorry, no.


Sorry, no.


Correct!


No. Try again.


Good!


No. Try again.


Sorry, no.




Good!


Sorry, no.


No. Try again.


Correct!


No. Try again.


No. Try again.


Correct!


No. Try again.


Correct!




Sorry, no.


Sorry, no.


Correct!


Sorry, no.


Sorry, no.

65.


Sorry, no.

65.


Correct!

65.


Sorry, no.

65.


Sorry, no.

66.


Sorry, no.

66.


Sorry, no.

66.


Good!

66.


Sorry, no.

67.


Sorry, no.

67.


Sorry, no.

67.


Correct!

67.


Sorry, no.

68.


Sorry, no.

68.


Good!

68.


Sorry, no.

68.


Good!

69.


Sorry, no.

69.


Sorry, no.

69.


Sorry, no.

69.


Good!

70.


Sorry, no.

70.


Sorry, no.

70.


Sorry, no.

70.


Sorry, no.

71.


Sorry, no.

71.


Good!

71.


Sorry, no.

71.


Sorry, no.

72.


Sorry, no.

72.


Good!

72.


Sorry, no.

72.


Sorry, no.

73.


Sorry, no.

73.


Sorry, no.

73.


Correct!

73.


Sorry, no.

74.


Good!

74.


Sorry, no.

74.


Sorry, no.

74.


Sorry, no.

75.


Sorry, no.

75.


Correct!

75.


Sorry, no.

75.


Sorry, no.

76.


Sorry, no.

76.


Sorry, no.

76.


Good!

76.


Correct!

77.


Sorry, no.

77.


Sorry, no.

77.


Sorry, no.

77.


Sorry, no.

78.


Sorry, no.

78.


Correct!

78.


Sorry, no.

78.


Sorry, no.

79.


Sorry, no.

79.


Good!

79.


Sorry, no.

79.


Sorry, no.

80.


Correct!

80.


Sorry, no.

80.


Sorry, no.

80.


Sorry, no.

81.


Sorry, no.

81.


Sorry, no.

81.


Good!

81.


Sorry, no.

82.


Sorry, no.

82.


Sorry, no.

82.


Correct!

82.


Correct!

83.


Sorry, no.

83.


Sorry, no.

83.


Sorry, no.

83.


Sorry, no.

84


Correct!

84.


Sorry, no.

84.


Sorry, no.

84.


Sorry, no.

85.


Sorry, no.

85.


Sorry, no.

85.


Correct!

85


!!Visualization and Calculation Trainer Int - Botkinsky, Vladimir

Recommend Documents