| ECO A36 in 1993 play it! n n defeats black's superforte mhz c by checkmate in 133 moves | 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. b3 d6 5. Bb2 Bg7 6. Qc2 Nf6 7. Bg2 O-O 8. Nf3 Bf5 9. d3 Nb4 10. Qd2 d5 11. a3 Nc6 12. O-O d4 13. Nb1 a5 14. Re1 e5 15. Nh4 Be6 16. Qg5 h6 17. Qd2 a4 18. b4 cxb4 19. axb4 e4 20. Ba3 Rc8 21. b5 Ne7 22. Qb4 Re8 23. Qxa4 exd3 24. exd3 Ra8 25. Qc2 Qd7 26. Nd2 Bh3 27. Bb2 Rxa1 28. Rxa1 Bxg2 29. Nxg2 Nf5 30. Nf4 g5 31. Ng2 Rc8 32. Qb3 Re8 33. Re1 Ne7 34. Ba3 Kh7 35. Nf3 Nf5 36. Rxe8 Qxe8 37. Bb2 Nd7 38. Qc2 Qh8 39. h4 gxh4 40. Ngxh4 Nd6 41. Qe2 Nc5 42. Ba3 b6 43. Bb2 Na4 44. Ba3 Nc5 45. Qe7 Qb8 46. Ng2 Bh8 47. Nf4 Kg8 48. Nd5 Nf5 49. Qe2 Bg7 50. Kf1 Ne6 51. Bb2 Qb7 52. Qe4 Nd6 53. Qg4 Nxb5 54. Nf6+ Kh8 55. Qf5 Nf8 56. cxb5 Ng6 57. Nh5 Nf8 58. Nxg7 Kxg7 59. Bxd4+ f6 60. Qxf6+ Kg8 61. Qh8+ Kf7 62. Qg7+ Ke8 63. Qxb7 Nd7 64. Bxb6 Ke7 65. Ne5 Ke6 66. Qxd7+ Kxe5 67. Bd4# |
| ECO A30 in 1992 play it! n n defeats black's superforte mhz c by checkmate in 139 moves | 1. c4 c5 2. d3 e6 3. Be3 Nc6 4. Qa4 Nf6 5. Nc3 Be7 6. g3 O-O 7. Nf3 d5 8. Bf4 d4 9. Nd1 Bd7 10. Bg2 e5 11. Bd2 e4 12. Ng5 exd3 13. exd3 h6 14. Ne4 Nxe4 15. Bxe4 Re8 16. O-O Bg5 17. f4 Bf6 18. Nf2 a6 19. Rae1 Rb8 20. a3 Qc7 21. Re2 a5 22. Rfe1 b6 23. Qc2 b5 24. b3 b4 25. a4 Be6 26. Bd5 Qd7 27. Ne4 Be7 28. Bxe6 fxe6 29. Nf2 Bd8 30. Bc1 Rc8 31. Re4 Bc7 32. Qe2 e5 33. Qh5 Qd6 34. Ng4 Kh8 35. Nxe5 Nxe5 36. Rxe5 Rxe5 37. Rxe5 Rf8 38. Rd5 Qa6 39. Rxc5 Qb6 40. Qd5 Re8 41. Kf2 Qa7 42. Qh5 Rd8 43. Rf5 Qb6 44. Kg2 Qc6+ 45. Kh3 Qh1 46. Rf7 Qxc1 47. Rxc7 Qf1+ 48. Kh4 Qxd3 49. Qf7 Rg8 50. f5 Qxb3 51. f6 g5+ 52. Kh3 g4+ 53. Kg2 Qf3+ 54. Kg1 Qe3+ 55. Kf1 Qf3+ 56. Ke1 Qh1+ 57. Ke2 Qxh2+ 58. Kd3 Qxg3+ 59. Kxd4 Rd8+ 60. Kc5 Qe5+ 61. Kb6 Rd6+ 62. Kb7 Qe4+ 63. Ka7 Ra6+ 64. Kxa6 Qa8+ 65. Kb6 Qb8+ 66. Rb7 Qd8+ 67. Ka7 Qg8 68. Rb8 Qxb8+ 69. Kxb8 b3 70. Qg7# |
| ECO A21 in 1995 play it! n n defeats black's fritz01mhzcg by checkmate in 109 moves | 1. c4 e5 2. Nc3 Bb4 3. d4 Qe7 4. Bd2 Nf6 5. dxe5 Qxe5 6. Nf3 Qh5 7. e3 O-O 8. Be2 b6 9. Nd4 Qg6 10. Bf3 c6 11. O-O Na6 12. Nce2 Bb7 13. Bc1 d5 14. Qb3 c5 15. Nf4 Qg5 16. Nh3 Qe5 17. Ne2 dxc4 18. Qxc4 Bxf3 19. gxf3 Qe6 20. Qh4 Rfd8 21. Nhf4 Qe5 22. Rb1 Rac8 23. b3 c4 24. a3 Bd6 25. bxc4 Rxc4 26. Bb2 Qe7 27. Ng3 Rc2 28. Qh3 Bxf4 29. exf4 Rdd2 30. Be5 Qxa3 31. Ra1 Qd3 32. Qg2 Ne8 33. Nh5 g6 34. Ng3 h6 35. h4 f6 36. Ne4 fxe5 37. Qxg6+ Ng7 38. f5 Re2 39. f6 Rc7 40. Rfd1 Nc5 41. Rxd3 Nxd3 42. Nd6 Nf4 43. f7+ Kf8 44. Qxh6 Ne6 45. Qh8+ Ke7 46. f8=Q+ Nxf8 47. Qxg7+ Kxd6 48. Rd1+ Kc6 49. Rc1+ Kd5 50. Qxc7 e4 51. Qc6+ Ke5 52. f4+ Kxf4 53. Qf6+ Kg4 54. Qg5+ Kh3 55. Qg3# |
| ECO A21 in 1995 play it! n n defeats black's fritz0cg by checkmate in 105 moves | 1. c4 e5 2. Nc3 Bb4 3. Qc2 Nc6 4. Nf3 d6 5. a3 Bxc3 6. Qxc3 Nge7 7. d4 f6 8. dxe5 dxe5 9. e3 Bg4 10. Be2 O-O 11. O-O Qe8 12. Rd1 Rd8 13. h3 Rxd1+ 14. Bxd1 Bh5 15. Bd2 Qf7 16. b4 a6 17. c5 Nd5 18. Qc4 Rd8 19. g4 Bg6 20. Bb3 e4 21. Nh4 Ne5 22. Qc2 Nf3+ 23. Nxf3 exf3 24. Qa2 Bd3 25. Bc3 Kh8 26. Rd1 Nxc3 27. Bxf7 Nxa2 28. Bxa2 h5 29. Bc4 Bxc4 30. Rxd8+ Kh7 31. Rd7 hxg4 32. hxg4 b6 33. Rxc7 bxc5 34. bxc5 Be6 35. Ra7 Bc8 36. c6 Kg6 37. Kh2 Bxg4 38. Rxa6 Kf7 39. Ra8 g6 40. c7 Ke7 41. c8=Q Bxc8 42. Rxc8 Kd6 43. a4 g5 44. a5 Kd7 45. Rc2 g4 46. a6 f5 47. Kg3 Ke6 48. Kf4 g3 49. a7 Kf6 50. a8=Q g2 51. Rc6+ Kf7 52. Qb7+ Ke8 53. Rc8# |
| ECO A10 in 1991 play it! n n defeats black's superfortemhzcg by checkmate in 95 moves | 1. c4 g6 2. Nc3 Bg7 3. d4 Nf6 4. d5 O-O 5. e4 e5 6. c5 c6 7. Nf3 cxd5 8. exd5 d6 9. cxd6 Qxd6 10. Bc4 Nbd7 11. O-O Qc5 12. Bb3 Qe7 13. Be3 Ng4 14. Bg5 Ndf6 15. h3 h6 16. hxg4 hxg5 17. Nxg5 Nxg4 18. Qd2 Bf5 19. Nf3 Rac8 20. Rfe1 Qd7 21. Ba4 Qd8 22. Rad1 Qb6 23. Re2 Rfd8 24. Bb3 a5 25. Ne4 f6 26. d6+ Kh7 27. Ng3 Bd7 28. Qd5 Bb5 29. Red2 Bc6 30. Qf7 Nh6 31. Qe6 Bxf3 32. gxf3 Rc6 33. Kg2 Qb4 34. Ne4 Rf8 35. Qe7 a4 36. Bd5 Rb6 37. Rh1 Rb5 38. a3 Qa5 39. Bxb7 Qb6 40. d7 Rd8 41. Bc6 Qxc6 42. Qxd8 Rb3 43. Qc8 Qb5 44. d8=Q Qe8 45. Qxe8 Bf8 46. Rxh6+ Kxh6 47. Qxf8+ Kh5 48. Qh8# |
| ECO A11 in 1994 play it! n n defeats black's superfortemhzcg by checkmate in 117 moves | 1. c4 c6 2. e4 d5 3. exd5 cxd5 4. d4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. Bg5 O-O 8. c5 b6 9. b4 a5 10. a3 Ne4 11. Nxe4 dxe4 12. Bxe7 Qxe7 13. Ne5 f6 14. Nc4 axb4 15. axb4 Rxa1 16. Qxa1 Nd7 17. Be2 bxc5 18. dxc5 Bb7 19. O-O Ra8 20. Qc3 Ra2 21. Bg4 Bd5 22. Nd6 Ne5 23. Bd1 Nd3 24. Nc8 Qb7 25. Nb6 Nf4 26. Qe3 Qc7 27. g3 Nh3+ 28. Kg2 Ng5 29. h4 Nf7 30. Be2 Ne5 31. Rc1 Bb7 32. Rd1 Rc2 33. Rd6 Qe7 34. b5 Ra2 35. Kf1 f5 36. Qf4 Nd3 37. Bxd3 exd3 38. Qd4 Qe8 39. c6 Bc8 40. Rd8 Kf7 41. Rxe8 Kxe8 42. Nxc8 Kf7 43. Nd6+ Kg6 44. c7 Rc2 45. Qf4 h6 46. c8=Q Rxc8 47. Nxc8 Kf6 48. Qd6 g5 49. h5 f4 50. g4 d2 51. Ke2 d1=Q+ 52. Kxd1 Kf7 53. Qe7+ Kg8 54. Qxe6+ Kg7 55. Qg6+ Kf8 56. Qf6+ Kg8 57. Ne7+ Kh7 58. Qf7+ Kh8 59. Ng6# |
| ECO A15 in 1991 play it! n n defeats black's tal style chessm in 77 moves | 1. c4 Nf6 2. b4 e6 3. b5 c5 4. Nf3 b6 5. Bb2 Bb7 6. e3 Be7 7. Be2 O-O 8. a4 d5 9. O-O a6 10. cxd5 exd5 11. bxa6 Bxa6 12. Bxa6 Rxa6 13. d3 Nc6 14. Nc3 h6 15. e4 Re8 16. Rc1 Qd7 17. Qb3 d4 18. Ne2 Bd6 19. Rfe1 Nb4 20. Ra1 Ng4 21. h3 Ne5 22. Nxe5 Rxe5 23. f4 Re7 24. e5 Qe6 25. Qxe6 Rxe6 26. exd6 Rxd6 27. Red1 Nc2 28. Rac1 Ne3 29. Re1 Rxa4 30. Kf2 Re6 31. Ng3 Ra2 32. Rb1 Nxg2 33. Rxe6 fxe6 34. Kxg2 b5 35. Kf3 g6 36. Ne4 Kg7 37. Nxc5 Kf8 38. Bxd4 Ke7 39. Rxb5 |
| ECO A20 in 1988 play it! n n defeats black's superconstellati by checkmate in 93 moves | 1. c4 e5 2. Nf3 e4 3. Nd4 Nc6 4. Nb5 f5 5. e3 Nf6 6. N1c3 a6 7. Qa4 Nb4 8. Nd4 g6 9. a3 Nc6 10. b4 Ne5 11. Ne6 b5 12. Nxb5 axb5 13. Qxa8 dxe6 14. cxb5 Bd6 15. d4 exd3 16. f4 Ne4 17. Bb2 Qh4+ 18. g3 d2+ 19. Kd1 Nf2+ 20. Ke2 Qd8 21. Kxf2 Ng4+ 22. Kg1 O-O 23. Qf3 Nf6 24. Bd3 Ne4 25. Bxe4 fxe4 26. Qe2 Bd7 27. Kg2 Qe7 28. Rhd1 Rf5 29. Qxd2 Bxb5 30. Qd4 Rh5 31. Qh8+ Kf7 32. a4 Be2 33. Qg7+ Ke8 34. Qxe7+ Kxe7 35. Rdc1 Bf3+ 36. Kg1 Bxb4 37. Rxc7+ Kd6 38. Rac1 e5 39. R1c6+ Kd5 40. Bxe5 Rh3 41. a5 g5 42. a6 gxf4 43. Bxf4 Bg2 44. a7 Rxg3 45. a8=Q Bf3+ 46. hxg3 h5 47. Rd6# |
| ECO A16 in 1993 play it! n n defeats black's superforte mhz c in 72 moves | 1. c4 Nf6 2. Nc3 g6 3. Nf3 Bg7 4. e3 O-O 5. b3 d6 6. Be2 e5 7. Bb2 Nbd7 8. Nb5 a6 9. Na3 b6 10. O-O Bb7 11. Nc2 Ne8 12. d4 f5 13. Rb1 c5 14. a3 Rc8 15. d5 Nef6 16. a4 e4 17. Ng5 Nxd5 18. Ne6 Nxe3 19. Nxe3 Qe7 20. Nxg7 Ne5 21. Nh5 gxh5 22. Nd5 Qh4 23. Bxh5 b5 24. axb5 axb5 25. cxb5 Ng6 26. b4 Ne7 27. Ne3 d5 28. bxc5 Rcd8 29. Qd4 Rf6 30. Qxf6 Qxf6 31. Bxf6 Kf8 32. Nxf5 Rd7 33. Nxe7 Rxe7 34. Bxe7+ Kxe7 35. c6 Bc8 36. b6 Kd6 |
| ECO A00 in 1994 play it! n n defeats black's chessmaster000 0 by checkmate in 119 moves | 1. b4 a5 2. b5 e5 3. Bb2 d6 4. Nf3 Nf6 5. d4 e4 6. Nfd2 Bf5 7. e3 Be7 8. c4 Nbd7 9. g3 O-O 10. Bg2 Bg4 11. Qc2 d5 12. c5 b6 13. c6 Nb8 14. a4 Bb4 15. O-O Be2 16. Re1 Bd3 17. Qc1 Bc4 18. Nc3 Bd3 19. Bh3 Bd6 20. Ne2 h6 21. Kg2 Bb4 22. Nf4 Bxd2 23. Qxd2 Bc4 24. Rac1 Qe7 25. Bc3 Qa3 26. Ra1 Qd6 27. Reb1 Ra7 28. Qb2 Ra8 29. Be1 Ra7 30. Rc1 Ra8 31. Kg1 Ra7 32. Rxc4 dxc4 33. Bf1 g5 34. Ng2 Nxc6 35. bxc6 Qxc6 36. Qc3 Qd6 37. Bxc4 Nd5 38. Qb3 Rd8 39. h4 gxh4 40. Nxh4 Qd7 41. Kg2 f5 42. Bc3 Kh7 43. Bb2 Rb7 44. Rh1 c5 45. dxc5 bxc5 46. Bb5 Qe6 47. Kg1 Rb6 48. Ba1 Rbd6 49. Ng2 Qe7 50. Qb2 Nc7 51. Bc4 Rd1+ 52. Bf1 Nd5 53. Nh4 Qd7 54. Nxf5 Rxf1+ 55. Kxf1 Kg6 56. Nxh6 Nc7 57. Qf6+ Kh7 58. Nf7+ Qh3+ 59. Rxh3+ Kg8 60. Rh8# |
| ECO A00 in 1987 play it! n n defeats black's superconstellati by checkmate in 73 moves | 1. b4 d5 2. Bb2 Nf6 3. e3 Bf5 4. Nf3 e6 5. c4 Nbd7 6. Bc3 Bd6 7. d4 O-O 8. c5 Be7 9. Be2 c6 10. a4 Ne4 11. O-O Bf6 12. Ra3 g6 13. Ba1 a5 14. b5 Re8 15. Qc1 Rc8 16. Rd1 b6 17. bxc6 Rxc6 18. Bb5 Rc7 19. c6 Rf8 20. Nc3 Nb8 21. Ne5 Qd6 22. Rb3 Rfc8 23. Nxe4 Bxe4 24. f3 Nxc6 25. Ng4 Bxd4 26. exd4 Nxd4 27. Qh6 Nxf3+ 28. Rxf3 Qc5+ 29. Bd4 Qxd4+ 30. Rxd4 Kh8 31. Nf6 Rc1+ 32. Rf1 Rxf1+ 33. Kxf1 g5 34. Rxe4 Rc1+ 35. Re1 Rxe1+ 36. Kxe1 e5 37. Qxh7# |
| ECO A00 in 1993 play it! n n defeats black's sphinx galaxyii by checkmate in 79 moves | 1. b4 d5 2. Bb2 Nf6 3. e3 Bg4 4. Be2 h5 5. f4 Nc6 6. b5 Nb4 7. a3 Bxe2 8. Nxe2 e6 9. axb4 Bxb4 10. c3 Bc5 11. O-O O-O 12. Qb3 Ne4 13. Rf3 Qf6 14. c4 dxc4 15. Qc2 c3 16. Nbxc3 Nxc3 17. Nxc3 e5 18. Ne4 Qg6 19. f5 Bxe3+ 20. dxe3 Qb6 21. Bxe5 f6 22. Qc4+ Rf7 23. Bd4 c5 24. Bxc5 Qc7 25. Nd6 b6 26. Bb4 Qxc4 27. Nxc4 Rd8 28. Nd2 Rc7 29. Ne4 Rc4 30. Nxf6+ gxf6 31. Be7 Rd5 32. Bxf6 Rd7 33. Rg3+ Kf8 34. Re1 h4 35. Rg6 Ke8 36. e4 Rh7 37. e5 h3 38. Rd1 hxg2 39. Rd8+ Kf7 40. e6# |
| ECO A00 in 1989 play it! n n defeats black's superforte by checkmate in 119 moves | 1. b4 d5 2. d4 e5 3. b5 exd4 4. Qxd4 c5 5. Qa4 Nd7 6. Bb2 Ngf6 7. e3 Bd6 8. c4 Nb6 9. Qb3 Be6 10. Nd2 O-O 11. Ngf3 Re8 12. a4 d4 13. Be2 dxe3 14. fxe3 Qe7 15. O-O Rad8 16. Rac1 Bc7 17. Rfe1 a6 18. a5 Nbd7 19. b6 Be5 20. Ba3 Bb8 21. Rcd1 Bg4 22. Bf1 Ne5 23. Be2 Nc6 24. Qc3 Bf5 25. Bf1 Be4 26. Bb2 Ne5 27. Nxe5 Bxe5 28. Qxe5 Qxe5 29. Bxe5 Rxd2 30. Rxd2 Rxe5 31. Rd8+ Ne8 32. Red1 f6 33. Kf2 Kf7 34. Bd3 Bxd3 35. R1xd3 Rf5+ 36. Kg3 Rg5+ 37. Kf3 Rf5+ 38. Ke2 Rg5 39. R3d7+ Kf8 40. g3 Rh5 41. h4 g5 42. hxg5 fxg5 43. Rxb7 Rh2+ 44. Kd3 Rh1 45. Ra8 Rd1+ 46. Ke4 Rd6 47. Rxa6 Re6+ 48. Kf3 h5 49. Ra8 Rf6+ 50. Kg2 Rd6 51. Rbb8 Kf7 52. Rxe8 Rd2+ 53. Kf3 Rb2 54. Re5 Kf6 55. Rxc5 h4 56. g4 h3 57. Ra7 Rxb6 58. axb6 h2 59. Rc6+ Ke5 60. Re7# |
| ECO A00 in 1993 play it! n n defeats black's knightstalker 0 by checkmate in 55 moves | 1. b4 d5 2. Bb2 Qd6 3. a3 e5 4. e3 Nf6 5. Nf3 Nbd7 6. Be2 Be7 7. d3 O-O 8. c3 c5 9. b5 e4 10. Nfd2 b6 11. c4 Ne5 12. d4 Nd3+ 13. Bxd3 exd3 14. O-O Ng4 15. g3 Bf6 16. Nc3 cxd4 17. Nxd5 dxe3 18. Nxf6+ gxf6 19. Ne4 exf2+ 20. Rxf2 Nxf2 21. Kxf2 Bb7 22. Qg4+ Kh8 23. Bxf6+ Qxf6+ 24. Nxf6 h6 25. Qf5 Kg7 26. Nh5+ Kg8 27. Qf6 Rac8 28. Qg7# |
| ECO A00 in 1987 play it! n n defeats black's superconstellati by checkmate in 129 moves | 1. b4 e5 2. Bb2 f6 3. c3 d5 4. e3 Be6 5. Bd3 Bd6 6. Bc2 a5 7. a3 Ne7 8. d4 O-O 9. Nf3 axb4 10. axb4 Rxa1 11. Bxa1 e4 12. Ng1 Nd7 13. Ne2 f5 14. Ng3 f4 15. exf4 Rxf4 16. Qd2 Bf7 17. Bb2 Nf6 18. Bc1 Qe8 19. Qe3 Ng4 20. Qe2 Rxf2 21. Qxg4 Rxc2 22. O-O Ra2 23. Bh6 Ng6 24. Nf5 Bf8 25. Be3 Be6 26. Nd2 Qc6 27. Nb1 Bd6 28. Nh6+ Kh8 29. Nf7+ Bxf7 30. Rxf7 Kg8 31. Rd7 Be7 32. Nd2 Qxc3 33. Qe6+ Kh8 34. Nf1 Qc2 35. Bd2 Bxb4 36. Rf7 Nf8 37. Qg4 g6 38. Bxb4 Ne6 39. Qh3 h5 40. Qg3 g5 41. Kh1 Kg8 42. Re7 Qc4 43. Re8+ Kh7 44. Re7+ Kg8 45. h4 Qxf1+ 46. Kh2 Qf6 47. hxg5 Qxd4 48. Bc3 Qf2 49. Qxf2 Rxf2 50. Rxe6 c5 51. Kg3 Rc2 52. Be5 b5 53. g6 h4+ 54. Kh3 Rf2 55. g7 Kf7 56. Re8 Kxe8 57. g8=Q+ Ke7 58. Qh7+ Ke6 59. Qc7 Rd2 60. Qd6+ Kf7 61. Qd7+ Kf8 62. Bd6+ Kg8 63. Qe6+ Kh7 64. Qf7+ Kh6 65. Bf4# |
| ECO A00 in 1992 play it! n n defeats black's grandmasterchess in 112 moves | 1. b4 e5 2. Bb2 f6 3. a3 a5 4. b5 d5 5. e3 Bd6 6. Nf3 Ne7 7. c4 Bg4 8. Be2 Nd7 9. d4 e4 10. Ng1 Bxe2 11. Nxe2 c6 12. c5 Bc7 13. b6 Bb8 14. O-O O-O 15. Nd2 Ng6 16. g3 f5 17. Qc2 Nf6 18. Rad1 Qe7 19. Nc3 h6 20. Nb3 Ra6 21. a4 Rd8 22. f3 Rf8 23. Rf2 Ra8 24. fxe4 fxe4 25. Rdf1 Qd7 26. Qd1 Qh3 27. Qe2 Ne7 28. Nb1 Kh7 29. Qd2 Rc8 30. Rxf6 gxf6 31. Rxf6 Kg7 32. Qf2 Qh5 33. Nc3 Ng8 34. Rf5 Qg6 35. Qf1 Nf6 36. Nd2 Ng4 37. Nxd5 cxd5 38. Rxd5 Qc6 39. Rg5+ hxg5 40. d5+ Qf6 41. Bxf6+ Nxf6 42. Nb3 Nxd5 43. Qf5 Ne7 44. Qxg5+ Ng6 45. h4 Re8 46. h5 Re6 47. hxg6 Rxg6 48. Qe7+ Kh6 49. Qxb7 Rxg3+ 50. Kf2 Rf3+ 51. Ke2 Bf4 52. Qxa8 Rxe3+ 53. Kd1 Be5 54. Nd2 Kg5 55. c6 Bg3 56. c7 Re1+ |
| ECO A00 in 1992 play it! n n defeats black's grandmasterchess by checkmate in 81 moves | 1. b4 e5 2. Bb2 f6 3. a3 a5 4. b5 d5 5. e3 Bd6 6. Nf3 Bf5 7. Be2 Ne7 8. c4 Nd7 9. Qb3 Nc5 10. Qa2 Bc2 11. Nc3 Bb3 12. Qb1 dxc4 13. O-O O-O 14. Ne4 Qd7 15. d4 cxd3 16. Nxc5 Bxc5 17. Bxd3 f5 18. Bxe5 Bd5 19. e4 fxe4 20. Bxe4 Bxe4 21. Qxe4 Qxb5 22. Qg4 Ng6 23. Bxc7 Qd3 24. a4 Qe2 25. Rae1 Qc2 26. Be5 Rad8 27. h3 Rd3 28. Re4 Nxe5 29. Rxe5 b6 30. Ne1 Bxf2+ 31. Kh2 Qc3 32. Qe6+ Kh8 33. Rxf2 Rxh3+ 34. Kg1 Qd4 35. Rf5 Rd8 36. gxh3 h6 37. Kh2 Qxa4 38. Rf8+ Rxf8 39. Rxf8+ Kh7 40. Qf5+ g6 41. Qf7# |
| ECO A00 in 1993 play it! n n defeats black's grandmasterchess by checkmate in 67 moves | 1. b4 e5 2. Bb2 Bxb4 3. Bxe5 f6 4. Bd4 d5 5. e3 Nc6 6. Bb5 Bf5 7. Nc3 Ne7 8. Rb1 O-O 9. Ba4 Nxd4 10. Rxb4 c5 11. Rxb7 Bc8 12. Rb1 Ne6 13. Nf3 Qc7 14. e4 Nf4 15. g3 dxe4 16. Nxe4 Ng2+ 17. Kf1 Bh3 18. Kg1 Rad8 19. Qe2 c4 20. Bb5 Kh8 21. c3 f5 22. Neg5 a6 23. Bxc4 Bg4 24. Qe6 Rd6 25. Nf7+ Rxf7 26. Qxf7 Qd8 27. Ne5 Rxd2 28. Rb7 Nf4 29. h4 Rd1+ 30. Kh2 Rxh1+ 31. Kxh1 Qd1+ 32. Kh2 Nfd5 33. Rb8+ Ng8 34. Rxg8# |
| ECO A00 in 1985 play it! n n defeats black's superconstellati by checkmate in 105 moves | 1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c3 Bd6 5. Bxf6 Qxf6 6. Nf3 O-O 7. Qc2 Nc6 8. d3 Be7 9. e4 d6 10. Be2 Be6 11. Nbd2 d5 12. O-O d4 13. c4 Rae8 14. Qb2 b6 15. Rfe1 Bd7 16. Qb5 a5 17. Nb3 Rd8 18. Bf1 Bg4 19. Nbd2 Qg6 20. Qb2 Qh6 21. Re2 Rde8 22. Rae1 Rd8 23. a3 Rde8 24. g3 Qd6 25. h3 Bd7 26. Ra1 Ne5 27. Ree1 Nxf3+ 28. Nxf3 Bf6 29. Nh2 c5 30. f4 Qc6 31. Bg2 Qe6 32. e5 Be7 33. Qf2 Qg6 34. Be4 Qh6 35. h4 b5 36. Bd5 Qb6 37. Rab1 Qa6 38. Nf3 Rb8 39. Ng5 Rb6 40. Re2 Bxg5 41. hxg5 Bg4 42. Reb2 Rfb8 43. f5 a4 44. Qf4 Bxf5 45. Qxf5 Kh8 46. Qxf7 b4 47. axb4 cxb4 48. e6 a3 49. Re2 a2 50. e7 axb1=Q+ 51. Kg2 Qxd3 52. e8=Q+ Rxe8 53. Rxe8# |
| ECO A00 in 1991 play it! n n defeats black's computer program by checkmate in 123 moves | 1. b4 c6 2. Bb2 Qb6 3. c3 c5 4. a3 d5 5. e3 Bf5 6. Qb3 c4 7. Qd1 Qg6 8. Nf3 Bc2 9. Qc1 Nc6 10. b5 Nd8 11. a4 e6 12. g3 Be7 13. Bg2 Qe4 14. O-O Bd3 15. Re1 f6 16. Ng5 Qf5 17. Nh3 Nf7 18. Qd1 O-O-O 19. Nf4 Bc2 20. Qc1 Rd7 21. Ba3 b6 22. Bxe7 Nxe7 23. Qa3 g5 24. Bh3 g4 25. Bg2 e5 26. Ne2 h5 27. a5 h4 28. axb6 hxg3 29. Qc5+ Kd8 30. fxg3 Qh7 31. Rf1 Qxh2+ 32. Kf2 Be4 33. Rg1 Bxg2 34. Rxg2 Qh1 35. bxa7 Ke8 36. a8=Q+ Nd8 37. e4 dxe4 38. Qxe4 Rh2 39. Qcxc4 f5 40. Qa8 Nd5 41. Qcxd5 Rxd5 42. Qxd5 Rxg2+ 43. Qxg2 Qh6 44. Ra8 Qb6+ 45. Ke1 Qxb5 46. Na3 Qc5 47. Qb7 Qd6 48. Nb5 Qd7 49. Qb6 f4 50. Nd6+ Ke7 51. gxf4 Nc6 52. Nc8+ Kf7 53. fxe5 Nxe5 54. Nd6+ Ke7 55. Ra7 Nd3+ 56. Kf1 Qxa7 57. Nf5+ Kd7 58. Qxa7+ Ke6 59. Neg3 Nc1 60. c4 Ke5 61. Qe7+ Kf4 62. Qe3# |