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descriptionFischer vs Karpov games EmptyFischer vs Karpov games

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Fischer - Karpov games?

Using modern technology, you can try to see what a match between these two giants would look like.

1. For each player prepare opening books based on games played. Separately for white and for black.
2. Select variants suitable for a world championship match. Modify the opening book.
3. Prepare two large neural networks trained on the moves made in the master games.
4. Select the depth of analysis for LC0 (7-8 plies).
5. After each game, make conclusions about the openings and modify the opening book.

The most difficult step in this idea is step 3. A prepared network could be used as a substitute (384x30-t60-4485 or hanse-69722-vf2), but that would be too much of an approximation of what could happen in such a match. Can anyone prepare appropriate neural networks?

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There are still a few matches that didn't happen that I'd like to see:

Morphy - Steinitz
Pillsbury - Lasker
Rubinstein - Lasker
Nimzowitsch - Capablanca
Capablanca - Alekhine 2. match
Alekhine - Botvinnik
Fischer - Kasparov




descriptionFischer vs Karpov games EmptyRe: Fischer vs Karpov games

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I used existing chess engines. For both players, I obtained move compatibility of about 80%.

[pgn][Event "Fischer-Karpov match"]
[Site "?"]
[Date "2021.11.12"]
[Round "1"]
[White "Fischer, Comp"]
[Black "Karpov, Comp"]
[Result "1/2-1/2"]
[ECO "C92"]
[PlyCount "78"]
[EventDate "2021.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4
Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Bb7 10. d4 Re8 11. Nbd2 Bf8
12. Bc2 g6 13. a3 Nb8 14. b4 Nbd7 15. Bb2 c5 16. bxc5 dxc5 17. dxe5 Nxe5 18.
Nxe5 Rxe5 19. c4 Re6 20. e5 Bh6 21. Bc3 Nd7 22. Ne4 Bf4 23. Rb1 Qe7 24. cxb5
Bxe5 25. Bb3 Bxc3 26. Bxe6 Bxe1 27. Qxd7 Qxd7 28. Bxd7 Bxe4 29. Rxe1 Bb7 30. a4
Rd8 31. Bg4 axb5 32. axb5 c4 33. Be2 Re8 34. f4 c3 35. Kf2 c2 36. Rc1 Be4 37.
Bf3 Bxf3 38. Kxf3 Rb8 39. Rxc2 Rxb5 1/2-1/2[/pgn]

descriptionFischer vs Karpov games EmptyRe: Fischer vs Karpov games

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Of course, the engines are less likely to make mistakes, so the match is even.

[pgn][Event "Fischer-Karpov match"]
[Site "?"]
[Date "2021.11.12"]
[Round "2"]
[White "Karpov, Comp"]
[Black "Fischer, Comp"]
[Result "1/2-1/2"]
[ECO "E97"]
[PlyCount "138"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3
O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. b4 b6 10. c5 c6 11. dxc6 bxc5 12. bxc5
dxc5 13. Qxd8 Rxd8 14. Nxe5 Ne8 15. Bf4 Bxe5 16. Bxe5 Nxc6 17. Bg3 Nd4 18. Bc4
Be6 19. Bxe6 Nxe6 20. Rfd1 Rd4 21. f3 Rad8 22. Rdb1 f5 23. Nd5 Rd7 24. Rb8 Kf7
25. Be5 Ra4 26. Rc8 Ra6 27. Rb1 Rd8 28. Rb7+ Kf8 29. Rbb8 Rxc8 30. Rxc8 Kf7 31.
exf5 gxf5 32. Rb8 Nd6 33. h4 Nf8 34. Bg3 h5 35. Nf4 c4 36. Nxh5 Ne6 37. Be5 Rc6
38. Bc3 Ra6 39. Rb2 Ra3 40. Bb4 Rd3 41. Rd2 Rxd2 42. Bxd2 Nb5 43. Ng3 c3 44.
Bc1 Nc5 45. Kf1 Nd3 46. Ne2 a5 47. Be3 c2 48. Bd2 a4 49. g4 Na3 50. Nc1 Ne5 51.
Ke2 fxg4 52. fxg4 Nxg4 53. Kd3 Kg6 54. Be1 Ne5+ 55. Ke4 Nac4 56. Bg3 Ng4 57.
Bf4 Kh5 58. Kd4 Nb6 59. Bg5 Nh6 60. Bd8 Nd7 61. Kd3 Nf5 62. Kxc2 Nxh4 63. Kb2
Nf5 64. Ka3 Kg6 65. Kxa4 Kf7 66. Bc7 Ke6 67. Kb5 Kd5 68. Ne2 Nd6+ 69. Bxd6 Kxd6
1/2-1/2[/pgn]

descriptionFischer vs Karpov games EmptyRe: Fischer vs Karpov games

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I'm not sure if Anatoly Karpov would have chosen this opening.

[pgn][Event "Fischer-Karpov match"]
[Site "?"]
[Date "2021.11.12"]
[Round "3"]
[White "Fischer, Comp"]
[Black "Karpov, Comp"]
[Result "1/2-1/2"]
[ECO "B12"]
[PlyCount "126"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Be2 e6 5. Nf3
Ne7 6. c3 Nd7 7. O-O h6 8. a4 a6 9. Nbd2 c5 10. dxc5 Nxc5 11. b4 Nd7 12. c4 g5
13. Bb2 Bg7 14. Re1 O-O 15. Bf1 Bg6 16. Rc1 Nb6 17. Bd4 Nxc4 18. Bxc4 dxc4 19.
Nxc4 Nc6 20. Bc5 Qxd1 21. Rcxd1 Rfd8 22. Bd6 g4 23. Nd4 Rxd6 24. Nxd6 Nxe5 25.
Re3 Kh7 26. Kf1 h5 27. a5 Rd8 28. Nxb7 Rd5 29. Ree1 Nd3 30. Nc6 Nxe1 31. Rxd5
exd5 32. Kxe1 Be4 33. Nd6 Bxg2 34. Nf5 d4 35. Nxg7 Kxg7 36. Nxd4 Kf6 37. Kd2
Ke5 38. Ke3 f5 39. f4+ gxf3 40. b5 f2 41. Kxf2 Bh1 42. Nf3+ Kf4 43. Nd4 Ke5 44.
Ne2 axb5 45. a6 b4 46. Ke3 Ba8 47. h4 Be4 48. Nf4 b3 49. a7 Ba8 50. Nd3+ Kd5
51. Kf4 Kd4 52. Nb2 Kc5 53. Kxf5 Kb6 54. Kg5 Bf3 55. a8=Q Bxa8 56. Kxh5 Kc5 57.
Kg5 Be4 58. h5 Kd4 59. h6 Kc3 60. Na4+ Kb4 61. Nb2 Kc3 62. Na4+ Kb4 63. Nb2 Kc3
1/2-1/2[/pgn]

descriptionFischer vs Karpov games EmptyRe: Fischer vs Karpov games

more_horiz
Another King-Indian defense.

[pgn][Event "Fischer-Karpov match"]
[Site "?"]
[Date "2021.11.13"]
[Round "4"]
[White "Karpov, Comp"]
[Black "Fischer, Comp"]
[Result "1/2-1/2"]
[ECO "E84"]
[PlyCount "135"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6
5. f3 O-O 6. Be3 Nc6 7. Qd2 a6 8. Nge2 Rb8 9. Rc1 Bd7 10. Nd1 e5 11. d5 Ne7 12.
h4 Ne8 13. h5 f5 14. hxg6 hxg6 15. Bg5 Nf6 16. Nf2 Nh7 17. Bh6 f4 18. Bxg7 Kxg7
19. c5 Ng5 20. Rg1 Ng8 21. Rc3 Nf6 22. g3 Nh5 23. gxf4 Nxf4 24. Nxf4 Rxf4 25.
Be2 Nf7 26. Qe3 Rh4 27. Rg2 Rc8 28. Rb3 c6 29. Bd3 Rc7 30. cxd6 Nxd6 31. Qb6
Rf4 32. dxc6 Bxc6 33. Rg3 Rff7 34. Qc5 Rfe7 35. Qe3 Be8 36. Ng4 Nf7 37. Rb6 Bc6
38. Bc4 Red7 39. Bxf7 Rd1+ 40. Kf2 Rd2+ 41. Kg1 Qh4 42. Qxd2 Qxg3+ 43. Qg2 Qe1+
44. Kh2 Rxf7 45. Nxe5 Rf6 46. Nxc6 Rf4 47. Rxb7+ Kh6 48. Qg3 Rh4+ 49. Kg2 Qd2+
50. Kg1 Qc1+ 51. Kf2 Rh1 52. Ke2 Qd1+ 53. Ke3 Re1+ 54. Qxe1 (54. Kf4 Qd6+ 55.
Ne5 Qd2+ 56. Kg4 Qg5+ 57. Kh3 Qh5+ 58. Qh4 Rh1+ 59. Kg2 Qxh4) 54... Qxe1+ 55.
Kd4 Qf2+ 56. Kd5 Qxf3 57. Ne5 Qg2 58. Rb6 Qd2+ 59. Ke6 Qd4 60. Rxa6 Qxb2 61.
Rd6 Qxa2+ 62. Ke7 Qa7+ 63. Ke8 Qb8+ 64. Ke7 Qb7+ 65. Kd8 Qa8+ 66. Ke7 Qxe4 67.
Rxg6+ Kh5 68. Re6 1/2-1/2[/pgn]

descriptionFischer vs Karpov games EmptyRe: Fischer vs Karpov games

more_horiz
Trying to leave the known paths, could lead to a Queens-Indian defense.

[pgn][Event "Fischer-Karpov match"]
[Site "?"]
[Date "2021.11.14"]
[Round "5"]
[White "Fischer, Comp"]
[Black "Karpov, Comp"]
[Result "1/2-1/2"]
[ECO "E15"]
[PlyCount "109"]

1. c4 Nf6 2. Nf3 e6 3. d4 b6 4. g3 Ba6
5. b3 Bb4+ 6. Bd2 Be7 7. Bg2 c6 8. Bc3 d5 9. Nbd2 Nbd7 10. O-O O-O 11. Re1 c5
12. e4 dxe4 13. Nxe4 Bb7 14. Nfg5 cxd4 15. Bxd4 Qc7 16. Nxf6+ Bxf6 17. Bxb7
Qxb7 18. Ne4 Bxd4 19. Qxd4 Rad8 20. Rad1 Qb8 21. b4 h6 22. Nd6 Qc7 23. Nb5 Qc6
24. Qc3 a6 25. Nd4 Qc7 26. Nf3 Nf6 27. a3 a5 28. Rc1 axb4 29. axb4 Rfe8 30. b5
Nd7 31. Ne5 Nxe5 32. Rxe5 Qd7 33. Qe1 Qb7 34. c5 bxc5 35. Rexc5 Rd6 36. Qe2
Red8 37. Rc7 Qd5 38. h4 Qf5 39. R7c5 Rd5 40. Rxd5 Rxd5 41. b6 Rb5 42. g4 Qd5
43. Rd1 Qc6 44. Rd8+ Kh7 45. Qd3+ f5 46. gxf5 Rxf5 47. Rd6 Qc5 48. Qd2 Qb5 49.
Rxe6 Qc4 50. Qe2 Qxh4 51. Re3 Rg5+ 52. Rg3 Rxg3+ 53. fxg3 Qxg3+ 54. Kf1 Qh3+
55. Kg1 1/2-1/2[/pgn]

descriptionFischer vs Karpov games EmptyRe: Fischer vs Karpov games

more_horiz
Karpov could try e4.

[pgn][Event "Fischer-Karpov match"]
[Site "?"]
[Date "2021.11.14"]
[Round "6"]
[White "Karpov, Comp"]
[Black "Fischer, Comp"]
[Result "1/2-1/2"]
[ECO "B92"]
[PlyCount "105"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4
Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Be3 Be6 10. Qd3 Nc6 11. a3 Rc8
12. Nd5 Nd7 13. Qd2 h6 14. Rad1 Bg5 15. Bxg5 Qxg5 16. Qxg5 hxg5 17. h3 Rcd8 18.
Rfe1 Nf6 19. Bf1 Bxd5 20. exd5 Ne7 21. c4 b6 22. Nd4 Rd7 23. Nf3 g4 24. hxg4
Nxg4 25. b4 Rfd8 26. a4 Nf6 27. a5 Rb8 28. axb6 Rxb6 29. Ra1 Rxb4 30. Rxa6 Rd8
31. Rea1 Nf5 32. Ng5 Nh7 33. Ra8 Rbb8 34. Rxb8 Rxb8 35. Nxh7 Kxh7 36. Ra6 Rd8
37. Bd3 g6 38. f4 exf4 39. Bxf5 gxf5 40. Kf2 f6 41. Ke2 Kg6 42. Kd3 Kh6 43. Kd4
Kg6 44. Rb6 Rd7 45. c5 dxc5+ 46. Kxc5 Kf7 47. d6 Ke6 48. Rb8 Rxd6 49. Re8+ Kf7
50. Kxd6 Kxe8 51. Ke6 f3 52. gxf3 f4 53. Kxf6 1/2-1/2[/pgn]

descriptionFischer vs Karpov games EmptyRe: Fischer vs Karpov games

more_horiz
Petrov's defense at this level? Who knows? Only Anatoly himself.

[pgn][Event "Fischer-Karpov match"]
[Site "?"]
[Date "2021.11.15"]
[Round "7"]
[White "Fischer, Comp"]
[Black "Karpov, Comp"]
[Result "1/2-1/2"]
[ECO "C42"]
[PlyCount "145"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3
Nxe4 5. d4 d5 6. Bd3 Nc6 7. O-O Be7 8. Nbd2 Nxd2 9. Bxd2 O-O 10. h3 Nb4 11. Be2
Bf5 12. c3 Nc6 13. Re1 a6 14. Bf4 Re8 15. Bf1 Qd7 16. b4 Bd6 17. Qd2 h6 18. a4
Rad8 19. b5 Na5 20. Bxd6 Qxd6 21. Rxe8+ Rxe8 22. Re1 Rxe1 23. Qxe1 Be6 24. bxa6
bxa6 25. Ne5 Nc4 26. Nd3 a5 27. Nc5 Nb6 28. Qe2 Nc4 29. Qc2 Qc6 30. Qb1 Nb6 31.
Bb5 Qd6 32. Qe1 c6 33. Ba6 Nd7 34. Nxe6 Qxe6 35. Qxe6 fxe6 36. Bb7 c5 37. Bc8
Nb6 38. Bxe6+ Kf8 39. dxc5 Nxa4 40. c6 Nb6 41. c7 a4 42. Bxd5 Ke7 43. Ba2 Kd7
44. Kf1 Kxc7 45. Ke2 Kd6 46. g3 Nd7 47. Ke3 Nc5 48. f4 a3 49. Kd4 Ne6+ 50. Ke4
Nc5+ 51. Ke3 h5 52. g4 hxg4 53. hxg4 Ke7 54. g5 Ne6 55. Bc4 Kd6 56. Ke4 g6 57.
Ba2 Nc5+ 58. Kd4 Ne6+ 59. Ke3 Ke7 60. Ke4 Nc5+ 61. Ke3 Ne6 62. c4 Nc5 63. Kd4
Ne6+ 64. Ke5 Nc5 65. f5 gxf5 66. Kxf5 Kf7 67. Ke5 Nd3+ 68. Kd6 Nb4 69. Bb1 a2
70. Bxa2 Nxa2 71. c5 Nb4 72. Ke5 Nc6+ 73. Kf5 1/2-1/2[/pgn]

descriptionFischer vs Karpov games EmptyRe: Fischer vs Karpov games

more_horiz
Fischer's unconventional opening.

[pgn][Event "Fischer-Karpov match"]
[Site "?"]
[Date "2021.11.15"]
[Round "8"]
[White "Karpov, Comp"]
[Black "Fischer, Comp"]
[Result "1/2-1/2"]
[ECO "D38"]
[PlyCount "60"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4
5. Bg5 h6 6. Bxf6 Qxf6 7. e3 O-O 8. Rc1 dxc4 9. Bxc4 c5 10. dxc5 Bxc5 11. Qc2
Bd7 12. O-O Bb6 13. Rfd1 Rd8 14. Na4 Bxa4 15. Rxd8+ Qxd8 16. Qxa4 Nc6 17. Ba6
Na5 18. Bf1 Rc8 19. Rd1 Qf6 20. Qb5 Rd8 21. Rxd8+ Qxd8 22. g3 Nc6 23. Ne1 g6
24. Nd3 Ne7 25. Bg2 Nf5 26. Qc4 Nd6 27. Qc3 Qc7 28. Qxc7 {[%emt 0:00:00]} Bxc7
29. Kf1 Kf8 30. Ke2 Ke7 1/2-1/2[/pgn]

descriptionFischer vs Karpov games EmptyRe: Fischer vs Karpov games

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