| ECO A09 in 2007 play it! program defeats black's program by checkmate in 71 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Qd7 4. Qxd7+ Bxd7 5. Nxd4 e5 6. Nb5 Bxb5 7. cxb5 Nf6 8. Nc3 Nbd7 9. d3 Bc5 10. g3 Ng4 11. Ne4 Bb4+ 12. Bd2 Bxd2+ 13. Nxd2 O-O-O 14. Bh3 h5 15. Bg2 h4 16. h3 Ngf6 17. Rc1 hxg3 18. fxg3 Ne8 19. Rf1 Nd6 20. Nc4 Nxc4 21. Rxc4 f6 22. h4 Kb8 23. a4 Nb6 24. Rg4 Rhg8 25. a5 Nc8 26. a6 bxa6 27. bxa6 Rd6 28. Bb7 Nb6 29. h5 Rd4 30. Be4 Rb4 31. Rxf6 Rxb2 32. h6 Nd7 33. Rxg7 Rb1+ 34. Kf2 Rh1 35. Rxg8+ Nf8 36. Rgxf8# |
| ECO A09 in 2007 play it! program defeats black's program by checkmate in 123 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Qd7 4. Qxd7+ Bxd7 5. Nxd4 e5 6. Nf3 Nc6 7. Nc3 O-O-O 8. d3 f6 9. Bd2 g5 10. O-O-O g4 11. Nh4 Bc5 12. f4 gxf3 13. Nxf3 Be6 14. Ne4 Be7 15. g3 Kb8 16. Bg2 h6 17. Rhf1 f5 18. Nc3 e4 19. dxe4 fxe4 20. Nxe4 Bxc4 21. Nc3 Nf6 22. Nh4 Ne5 23. Nf5 Bc5 24. Bf4 Nfd7 25. Nxh6 Bf8 26. Bxe5 Bxh6+ 27. Bf4 Bxf4+ 28. Rxf4 Be6 29. h4 Rhg8 30. Rf3 c6 31. Rfd3 Rgf8 32. Rd6 Bg4 33. Bf3 Bxf3 34. exf3 Kc7 35. f4 Rf5 36. Re6 Rc5 37. Kb1 a5 38. Re7 Kc8 39. Rd4 Kc7 40. g4 Kc8 41. g5 Rf5 42. Ne4 Rd5 43. Rxd5 cxd5 44. Nd6+ Kc7 45. Ne8+ Rxe8 46. Rxe8 Kd6 47. g6 Nf6 48. g7 Nxe8 49. g8=Q Nf6 50. Qb8+ Ke6 51. Qe5+ Kf7 52. f5 Ng4 53. Qe6+ Kf8 54. Qxd5 b5 55. Qd6+ Ke8 56. Qg6+ Ke7 57. Qxg4 b4 58. Qe4+ Kd8 59. f6 Kc8 60. f7 Kd8 61. Qb7 b3 62. f8=Q# |
| ECO A09 in 2007 play it! program defeats black's program by checkmate in 127 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Qd7 4. Qxd7+ Bxd7 5. Nxd4 e5 6. Nf3 Nc6 7. Nc3 O-O-O 8. d3 f6 9. Bd2 Nge7 10. g3 g5 11. Rc1 g4 12. Nh4 Nd4 13. Bg2 Nec6 14. Nd5 Bg7 15. h3 h5 16. Ng6 Rhe8 17. hxg4 Bxg4 18. f3 Bf5 19. Bh3 Bxh3 20. Rxh3 Rd6 21. Rxh5 f5 22. Nh4 e4 23. Rh7 Rd7 24. dxe4 fxe4 25. f4 b6 26. b3 Rf8 27. e3 Ne6 28. Ng6 Rff7 29. Rd1 Nc5 30. Ke2 Nd3 31. Bc3 Bh6 32. Rxh6 Rd6 33. f5 a5 34. f6 Kb7 35. Rh4 Nc5 36. Ne5 Nxe5 37. Bxe5 Rdd7 38. Rd4 a4 39. Rh8 axb3 40. axb3 Nxb3 41. Rxe4 Na5 42. Nxc7 Rxf6 43. Bxf6 Rxc7 44. Kd3 Nc6 45. Re6 Nb4+ 46. Kc3 Nc6 47. g4 Na5 48. Re7 Rxe7 49. Bxe7 Nc6 50. Bd6 Na7 51. g5 Nc8 52. Be5 b5 53. g6 Na7 54. Rb8+ Ka6 55. cxb5+ Nxb5+ 56. Kc4 Na7 57. Bd4 Nc8 58. Rxc8 Kb7 59. Rc5 Kb6 60. Kd5 Kb7 61. Ra5 Kc8 62. Ra7 Kd8 63. g7 Ke8 64. g8=Q# |
| ECO A09 in 2007 play it! program defeats black's program in 133 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Qd7 4. Qxd7+ Bxd7 5. Nxd4 e5 6. Nf3 Nc6 7. d3 f6 8. Nc3 O-O-O 9. Bd2 Bc5 10. Ne4 Bb4 11. Rc1 f5 12. Neg5 Bxd2+ 13. Nxd2 Nh6 14. Ndf3 g6 15. h3 Kb8 16. e3 f4 17. exf4 exf4 18. Be2 Bf5 19. Rd1 Nb4 20. d4 Nxa2 21. O-O Rhe8 22. Rfe1 Nb4 23. Bf1 Rxe1 24. Rxe1 Nd3 25. Re7 Ng8 26. Rxh7 Nxb2 27. d5 Re8 28. Nh4 Bc2 29. Rf7 a5 30. Ne6 Ne7 31. Nf3 Be4 32. Ng7 Rh8 33. Rxe7 Bxf3 34. gxf3 a4 35. Nf5 gxf5 36. Re1 Rf8 37. Ra1 Rf6 38. Ra2 Rb6 39. h4 Rb4 40. c5 Nc4 41. h5 Ne5 42. h6 Nxf3+ 43. Kg2 Ng5 44. f3 Rd4 45. Kf2 Rxd5 46. Rxa4 Rd2+ 47. Be2 Kc8 48. Ke1 Rc2 49. Ra8+ Kd7 50. Rg8 Nf7 51. h7 Ke7 52. Rg7 Rc1+ 53. Bd1 Ke6 54. Rxf7 Kxf7 55. h8=Q Rxc5 56. Bb3+ Ke7 57. Qg7+ Kd6 58. Qf6+ Kd7 59. Be6+ Kc6 60. Bc4+ Kd7 61. Qe6+ Kd8 62. Qg8+ Kd7 63. Qf7+ Kd8 64. Qf8+ Kd7 65. Qxc5 c6 66. Qxf5+ Kd6 67. Qg6+ |
| ECO A09 in 2007 play it! program defeats black's program by checkmate in 99 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Qd7 4. Qxd7+ Bxd7 5. Nxd4 e5 6. Nb5 Bxb5 7. cxb5 Nf6 8. d3 Bc5 9. Nc3 Nbd7 10. g3 Ng4 11. Ne4 Bb4+ 12. Bd2 Bxd2+ 13. Nxd2 f5 14. Bh3 O-O-O 15. Bxg4 fxg4 16. Rc1 Rhf8 17. Ne4 Nf6 18. Nc5 Rd6 19. O-O g5 20. a4 h5 21. f3 gxf3 22. Rxf3 Nd7 23. Rxf8+ Nxf8 24. Rf1 Nd7 25. Nxd7 Kxd7 26. Rf7+ Ke6 27. Rxc7 Rd7 28. Rxd7 Kxd7 29. e4 Kd6 30. b4 Ke6 31. Kf2 Kd6 32. Ke3 Kd7 33. d4 exd4+ 34. Kxd4 Ke7 35. Kd5 h4 36. gxh4 gxh4 37. e5 Kd7 38. h3 Ke8 39. Kd6 a6 40. bxa6 Kf7 41. e6+ Kg6 42. axb7 Kf5 43. e7 Kf4 44. e8=Q Kf3 45. b5 Kg3 46. Qe3+ Kg2 47. b8=Q Kf1 48. Qf8+ Kg2 49. Qff3+ Kh2 50. Qef2# |
| ECO A09 in 2007 play it! program defeats black's program by checkmate in 119 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Qd7 4. Qxd7+ Bxd7 5. Nxd4 e5 6. Nf3 Nc6 7. d3 O-O-O 8. Nc3 f6 9. Bd2 Nb4 10. O-O-O Bc5 11. Ne4 Be7 12. a3 Nc6 13. g3 f5 14. Neg5 Rf8 15. Bg2 Nf6 16. Kb1 h6 17. Nh3 g5 18. Nhg1 Ng4 19. Be1 Rd8 20. h3 Nf6 21. Bc3 e4 22. dxe4 fxe4 23. Nd2 Bf5 24. e3 Rd3 25. h4 Re8 26. hxg5 hxg5 27. Nh3 Rxc3 28. bxc3 g4 29. Ng5 Bxa3 30. Ka2 Bd6 31. Rh6 Ng8 32. Rh8 Be5 33. Bxe4 Bxe4 34. Rxg8 Bb1+ 35. Kxb1 Rxg8 36. Nde4 Bxc3 37. Nxc3 Rxg5 38. Ne4 Re5 39. Nf6 Rc5 40. Nxg4 Rxc4 41. f4 b5 42. Rd5 a6 43. Kb2 Kb7 44. Rd7 Kb6 45. Nf6 Na5 46. g4 Nb7 47. Nd5+ Kc6 48. Rxc7+ Kxd5 49. Rxb7 Re4 50. Rd7+ Kc4 51. f5 Rxg4 52. f6 Rg2+ 53. Kc1 Rf2 54. f7 b4 55. Rd4+ Kc3 56. Rf4 Rd2 57. f8=Q Rb2 58. Qc5+ Kd3 59. Qc4+ Kxe3 60. Qe4# |
| ECO A09 in 2007 play it! program defeats black's program by checkmate in 79 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Qd7 4. Qxd7+ Bxd7 5. Nxd4 e5 6. Nf3 Nc6 7. Nc3 O-O-O 8. a3 Bc5 9. d3 Nge7 10. Ne4 Nd4 11. Nxd4 Bb5 12. Nxb5 Bb6 13. c5 a6 14. cxb6 axb5 15. Ng5 Rdf8 16. bxc7 Kxc7 17. Be3 b6 18. Rc1+ Kb7 19. g4 h5 20. Bg2+ Kb8 21. Bxb6 Rc8 22. Bc5 f6 23. Nf7 Rhe8 24. Nd6 hxg4 25. Nxe8 Rxe8 26. Bd6+ Ka7 27. Rc7+ Kb6 28. Rb7+ Ka6 29. Rxe7 Rxe7 30. Bxe7 Kb6 31. Be4 Kc7 32. Bf5 Kc6 33. Rg1 Kd5 34. Rxg4 g6 35. Rxg6 e4 36. dxe4+ Kc4 37. Be6+ Kd4 38. Bd6 b4 39. Rg4 f5 40. exf5# |
| ECO A09 in 2007 play it! program defeats black's program by checkmate in 93 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Qd7 4. Qxd7+ Bxd7 5. Nxd4 e5 6. Nf3 Nc6 7. Nc3 Nf6 8. d3 Nd4 9. Rb1 Nxf3+ 10. gxf3 Bb4 11. a3 Bc5 12. Rg1 Kf8 13. f4 Ng4 14. Ne4 Bd4 15. e3 Nxh2 16. Be2 f5 17. Nd2 Bc5 18. fxe5 Bc6 19. d4 Be7 20. d5 Ba4 21. Rg2 Ng4 22. Bxg4 fxg4 23. b3 Be8 24. Rxg4 Bh5 25. Rg3 Kg8 26. Bb2 Rf8 27. e6 Bg6 28. Rg4 Bc5 29. Rd1 Rd8 30. Ne4 Be7 31. c5 Re8 32. d6 cxd6 33. cxd6 h6 34. Rxg6 Bh4 35. Rxg7+ Kf8 36. e7+ Bxe7 37. dxe7+ Rxe7 38. Rd8+ Re8 39. Rxe8+ Kxe8 40. Nd6+ Kf8 41. Rxb7 h5 42. Rxa7 Rh6 43. Bg7+ Kg8 44. Bxh6 h4 45. Ne4 Kh8 46. Nf6 h3 47. Rh7# |
| ECO A09 in 2007 play it! program defeats black's program by checkmate in 105 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Qd7 4. Qxd7+ Bxd7 5. Nxd4 e5 6. Nf3 Nc6 7. e4 O-O-O 8. Nc3 f5 9. d3 fxe4 10. dxe4 Nb4 11. Rb1 Bg4 12. Be2 Nd3+ 13. Bxd3 Bxf3 14. gxf3 Rxd3 15. Be3 b6 16. Nd5 Nf6 17. Ke2 Rxe3+ 18. fxe3 c6 19. Nxf6 gxf6 20. Rhg1 Kd7 21. Rbd1+ Ke7 22. b4 Bh6 23. Rg4 Ke6 24. c5 Bf8 25. Rd8 h5 26. Rg6 Kf7 27. Rg2 bxc5 28. bxc5 Rh6 29. Rc8 Bxc5 30. Rxc6 Bb6 31. Rg3 Ba5 32. Rd6 h4 33. Rd7+ Ke8 34. Rgg7 Bb6 35. Rb7 Kf8 36. f4 exf4 37. exf4 a5 38. a4 Bd8 39. Rh7 Rxh7 40. Rxh7 Bb6 41. Rxh4 Ke7 42. Rh7+ Ke6 43. Kf3 Bc5 44. Kg4 Bf2 45. h4 Bg1 46. h5 Bc5 47. h6 Bf8 48. f5+ Ke5 49. Rd7 Kxe4 50. h7 Bb4 51. h8=Q Ke5 52. Qe8+ Be7 53. Qxe7# |
| ECO A09 in 2007 play it! program defeats black's program by checkmate in 107 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Qd7 4. Qxd7+ Bxd7 5. Nxd4 e5 6. Nf3 Nc6 7. d3 O-O-O 8. Bd2 Bb4 9. Nc3 Nf6 10. a3 Bc5 11. b4 Nd4 12. Nxd4 Bxd4 13. e3 Bxc3 14. Bxc3 Rhe8 15. Be2 Bg4 16. b5 Bxe2 17. Kxe2 Nd7 18. Rhd1 g5 19. f3 h5 20. d4 Nb6 21. Kd3 exd4 22. Bxd4 Re6 23. Kc3 c5 24. Bxc5 Na4+ 25. Kb4 Nxc5 26. Rxd8+ Kxd8 27. Kxc5 Rxe3 28. Rd1+ Ke7 29. Rd5 Kf6 30. Rd6+ Ke7 31. Rh6 Re2 32. Rxh5 Rxg2 33. h4 gxh4 34. Rxh4 b6+ 35. Kb4 Ke6 36. Rh6+ Ke7 37. Rc6 Kd7 38. c5 bxc5+ 39. Rxc5 Re2 40. a4 Rf2 41. Rd5+ Ke6 42. Rd8 Rxf3 43. Ra8 Rf4+ 44. Ka5 Re4 45. Rxa7 Re5 46. Kb4 Re4+ 47. Kc5 f5 48. b6 Re5+ 49. Kc6 Re2 50. b7 Re5 51. b8=Q f4 52. Qf8 Rc5+ 53. Kxc5 f3 54. Re7# |
| ECO A09 in 2007 play it! program defeats black's program in 123 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Qd7 4. Qxd7+ Bxd7 5. Nxd4 e5 6. Nf3 Nc6 7. Nc3 O-O-O 8. d3 f6 9. Bd2 Nb4 10. Rc1 Ne7 11. a3 Nbc6 12. Ne4 Nf5 13. g3 Nfd4 14. Nxd4 Nxd4 15. Be3 f5 16. Ng5 Bc6 17. Rg1 Rd7 18. Bxd4 exd4 19. Ne6 Rd6 20. Nxf8 Rxf8 21. b4 a6 22. Bg2 Bxg2 23. Rxg2 Re8 24. Kd2 Rde6 25. Re1 Kd7 26. e3 b5 27. Rgg1 dxe3+ 28. Rxe3 Rxe3 29. fxe3 bxc4 30. dxc4 h5 31. Re1 g6 32. Kd3 Re4 33. b5 axb5 34. cxb5 Ra4 35. Ra1 Kd6 36. e4 fxe4+ 37. Ke3 Kc5 38. Rc1+ Kd5 39. Ra1 Rd4 40. a4 g5 41. Ra3 h4 42. gxh4 Ke5 43. hxg5 Rd1 44. Rc3 Rf1 45. Rxc7 Rf3+ 46. Ke2 Rh3 47. Re7+ Kd5 48. g6 Rxh2+ 49. Ke3 Rh3+ 50. Kf4 Rf3+ 51. Kg4 Rf2 52. g7 Kd6 53. Ra7 Rd2 54. Kh3 Rd3+ 55. Kh4 e3 56. g8=Q Rd4+ 57. Kg5 Rd2 58. Qf8+ Kd5 59. Rd7+ Kc4 60. Qf4+ Kb3 61. Qxe3+ Kxa4 62. Ra7+ |
| ECO A09 in 2007 play it! program defeats black's program by checkmate in 125 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Qd7 4. Qxd7+ Bxd7 5. Nxd4 e5 6. Nb5 Bxb5 7. cxb5 Nf6 8. Nc3 Nbd7 9. d3 Bc5 10. g3 Ng4 11. Ne4 Bb4+ 12. Bd2 Bxd2+ 13. Nxd2 f5 14. Rc1 O-O-O 15. Bg2 Kb8 16. h3 Ngf6 17. a4 Nb6 18. a5 Nbd5 19. a6 b6 20. O-O Rhf8 21. Rc4 f4 22. g4 Rd6 23. Rfc1 h6 24. Bxd5 Nxd5 25. Kg2 g6 26. b4 Rd7 27. Re4 Re8 28. Nf3 Rde7 29. Rc6 g5 30. Rxh6 Nc3 31. Rxe5 Rxe5 32. Nxe5 Kc8 33. Nc6 Nxb5 34. Kf3 Kd7 35. Rg6 Rf8 36. Ne5+ Kc8 37. Rxg5 Nd4+ 38. Kg2 Nxe2 39. Nc6 Kd7 40. Nxa7 f3+ 41. Kh2 Nf4 42. Rg7+ Ke6 43. Rxc7 Ra8 44. Kg3 Nxd3 45. Rb7 Nxb4 46. Rxb6+ Ke5 47. Rxb4 Rxa7 48. Ra4 Kd6 49. Kxf3 Rf7+ 50. Kg3 Ra7 51. h4 Kc5 52. h5 Kb5 53. Ra1 Kb6 54. h6 Kc6 55. h7 Ra8 56. a7 Kd6 57. Kf4 Ke7 58. Rb1 Kf6 59. Rb8 Kg6 60. h8=Q Rxa7 61. Rb6+ Kf7 62. Qh7+ Kf8 63. Rb8# |
| ECO A09 in 2007 play it! program defeats black's program by checkmate in 69 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Qd7 4. Qxd7+ Bxd7 5. Nxd4 e5 6. Nf3 Nc6 7. Nc3 f6 8. e3 O-O-O 9. Be2 Bc5 10. Ne4 Nb4 11. O-O Be7 12. d4 Nc2 13. Nxe5 fxe5 14. Rb1 exd4 15. a3 dxe3 16. fxe3 Bc6 17. Bg4+ Kb8 18. Bf3 h6 19. Nc3 Bxf3 20. Rxf3 b6 21. Rf2 Ne1 22. Rf7 Bf6 23. Nd5 Nd3 24. Nxf6 gxf6 25. Rg7 Ne5 26. Kf2 Nxc4 27. Ke2 a5 28. h3 f5 29. b3 Ne5 30. Bb2 Rd5 31. Rf1 Rc5 32. Bd4 Rd5 33. Rxf5 Rxd4 34. exd4 c5 35. Rf8# |
| ECO A09 in 2007 play it! program defeats black's program by checkmate in 59 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Qd7 4. Qxd7+ Bxd7 5. Nxd4 e5 6. Nf3 Nc6 7. d3 O-O-O 8. Bd2 f6 9. Nc3 Be6 10. a3 Nh6 11. g3 Kb8 12. Ne4 Be7 13. Bg2 f5 14. Neg5 Bd7 15. O-O a6 16. b3 Bc5 17. b4 Be7 18. b5 axb5 19. cxb5 Nd4 20. Nxd4 exd4 21. a4 c6 22. bxc6 bxc6 23. Rfc1 Rde8 24. Rc4 Bxg5 25. Bxg5 Rxe2 26. Rb1+ Ka7 27. Rxd4 Be8 28. Be3 Nf7 29. Rd7+ Ka6 30. Ra7# |
| ECO A09 in 2007 play it! program defeats black's program by checkmate in 127 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Qd7 4. Qxd7+ Bxd7 5. Nxd4 e5 6. Nb5 Bxb5 7. cxb5 Nf6 8. d3 Nbd7 9. g3 Bb4+ 10. Bd2 Bc5 11. Bh3 h6 12. Nc3 O-O-O 13. Na4 Be7 14. Rc1 Kb8 15. Bg2 g6 16. b4 Ng4 17. Nc5 Nxc5 18. bxc5 f5 19. h3 Nf6 20. Bc3 e4 21. dxe4 fxe4 22. Bxf6 Bxf6 23. Bxe4 g5 24. Bf5 Rd4 25. e3 Ra4 26. Be6 Rb4 27. Bd7 Rd8 28. Rd1 Bc3+ 29. Ke2 Rb2+ 30. Kd3 Ba5 31. Ke4 Rxf2 32. a3 Rg2 33. Bf5 Rf8 34. g4 Rb2 35. Bd7 Rbf2 36. Rd3 R8f6 37. h4 gxh4 38. Rxh4 Be1 39. Rh5 a6 40. c6 axb5 41. Rxb5 b6 42. Rf5 Ka7 43. Ke5 Rg6 44. Rxf2 Bxf2 45. Be6 Ka6 46. e4 Rg5+ 47. Bf5 Kb5 48. Kd5 h5 49. Rb3+ Ka4 50. Rb2 Bc5 51. gxh5 Rxh5 52. Rg2 Bxa3 53. Rg7 Bd6 54. Rh7 Rxh7 55. Bxh7 b5 56. e5 Kb4 57. exd6 cxd6 58. c7 Ka3 59. c8=Q b4 60. Kxd6 b3 61. Bg8 Ka4 62. Qc4+ Ka5 63. Kc5 b2 64. Qb5# |
| ECO A09 in 2007 play it! program defeats black's program in 121 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Qd7 4. Qxd7+ Bxd7 5. Nxd4 e5 6. Nf3 Nc6 7. Nc3 O-O-O 8. d3 f6 9. Bd2 Nb4 10. Rc1 Ne7 11. a3 Nbc6 12. Ne4 Ng6 13. g3 Be7 14. Bg2 Kb8 15. O-O h6 16. b4 a6 17. Rb1 Bf5 18. Nc5 Bxc5 19. bxc5 e4 20. Ne1 Nge5 21. Bf4 Nd4 22. Rb2 Rhe8 23. Bxe5 Rxe5 24. e3 Nc6 25. d4 Nxd4 26. exd4 Rxd4 27. Nc2 Rd2 28. Rfb1 Bc8 29. Ne3 Rxb2 30. Rxb2 f5 31. c6 b6 32. Rd2 Be6 33. Rd8+ Bc8 34. Rd5 Rxd5 35. cxd5 g5 36. Nc2 b5 37. f3 exf3 38. Bxf3 Ka7 39. Kf2 g4 40. Bg2 Kb6 41. Ke3 h5 42. Kd4 h4 43. Ne3 h3 44. Bf1 f4 45. gxf4 g3 46. hxg3 h2 47. Bg2 a5 48. g4 b4 49. axb4 axb4 50. Nc4+ Kb5 51. d6 cxd6 52. Nxd6+ Kb6 53. Nxc8+ Kc7 54. Na7 b3 55. Nb5+ Kc8 56. Kc3 h1=R 57. Bxh1 Kd8 58. c7+ Ke7 59. c8=Q Kf7 60. Kxb3 Kf6 61. Qf5+ |
| ECO A09 in 2007 play it! program defeats black's program by checkmate in 123 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Qd7 4. Qxd7+ Bxd7 5. Nxd4 e5 6. Nf3 Nc6 7. Nc3 O-O-O 8. d3 f6 9. Bd2 Nb4 10. O-O-O Bc5 11. Ne4 Be7 12. a3 Nc6 13. g3 f5 14. Neg5 Rf8 15. Bg2 h6 16. Nh3 Nf6 17. Nh4 Rd8 18. f4 Bc5 19. Ng6 Rhe8 20. b4 Bf8 21. Nxf8 Rxf8 22. b5 Nd4 23. Bb4 Nxe2+ 24. Kd2 Rfe8 25. Kxe2 exf4+ 26. Kd2 fxg3 27. hxg3 Be6 28. Kc2 Bxc4 29. Bxb7+ Kxb7 30. dxc4 Re2+ 31. Kb1 Rxd1+ 32. Rxd1 g5 33. Re1 Rxe1+ 34. Bxe1 Ne4 35. Kc2 c6 36. a4 Kb6 37. Bf2+ Kb7 38. bxc6+ Kxc6 39. Bxa7 Nxg3 40. Bd4 g4 41. Nf4 Ne4 42. a5 Nc5 43. Nd5 f4 44. Bxc5 Kxc5 45. a6 Kc6 46. Nxf4 Kb6 47. Kd3 Kxa6 48. Nh5 Kb6 49. Kd4 Kc6 50. c5 Kb5 51. Kd5 Ka5 52. c6 Kb4 53. c7 Kb3 54. c8=Q g3 55. Nxg3 Kb4 56. Qc6 Kb3 57. Qxh6 Kc3 58. Ne4+ Kb4 59. Qb6+ Ka3 60. Kc4 Ka2 61. Kc3 Ka3 62. Qa5# |
| ECO A09 in 2007 play it! program defeats black's program by checkmate in 69 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Qd7 4. Qxd7+ Bxd7 5. Nxd4 e5 6. Nf3 Nc6 7. d3 O-O-O 8. Nc3 f6 9. Bd2 Nb4 10. O-O-O Bc5 11. Ne4 Be7 12. a3 Nc6 13. g3 f5 14. Neg5 Nh6 15. Bg2 Kb8 16. Kb1 Bc5 17. e3 g6 18. b4 Bd6 19. b5 Bxa3 20. bxc6 Bxc6 21. Ba5 b6 22. Bc3 Rd5 23. cxd5 Bxd5 24. e4 fxe4 25. Nxe5 Re8 26. dxe4 Bg8 27. Rd7 Bc5 28. Nxh7 Bxf2 29. Nf6 Rc8 30. Bd2 g5 31. Bxg5 Rf8 32. Bh3 c5 33. Nc6+ Kc8 34. Rf7+ Ng4 35. Bxg4# |
| ECO A09 in 2007 play it! program defeats black's program by checkmate in 113 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Qd7 4. Qxd7+ Bxd7 5. Nxd4 e5 6. Nf3 Nc6 7. Nc3 Bc5 8. Ne4 Be7 9. d3 O-O-O 10. Be3 f5 11. Neg5 Bb4+ 12. Bd2 Rf8 13. Bxb4 Nxb4 14. Kd2 Nc6 15. b4 e4 16. b5 exf3 17. bxc6 Bxc6 18. Nxf3 Ba4 19. e3 Nf6 20. Be2 Rd8 21. Nd4 g6 22. Rab1 Rd6 23. Rb4 Ra6 24. Bf3 Bc6 25. a4 Bxf3 26. Nxf3 b6 27. Ra1 Re8 28. h3 h6 29. Rb5 Nd7 30. d4 Nf6 31. Ne5 Ne4+ 32. Ke1 Re6 33. g4 fxg4 34. Nxg4 Nd6 35. Re5 Rxe5 36. Nxe5 g5 37. Ke2 Ne4 38. Nf7 Nc3+ 39. Kd3 Nxa4 40. Rb1 Kd7 41. Nxh6 Ra5 42. e4 a6 43. Ng4 c6 44. d5 cxd5 45. exd5 Nc5+ 46. Kd4 Kc7 47. Ne5 Ra2 48. d6+ Kb7 49. Rd1 Rxf2 50. h4 gxh4 51. Nd3 Nxd3 52. Rxd3 Rc2 53. Ke3 h3 54. d7 Kb8 55. d8=Q+ Kb7 56. Rd7+ Kc6 57. Qc7# |
| ECO A09 in 2007 play it! program defeats black's program by checkmate in 133 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Qd7 4. Qxd7+ Bxd7 5. Nxd4 e5 6. Nf3 Nc6 7. Nc3 O-O-O 8. d3 f6 9. Bd2 Nb4 10. Rc1 Ne7 11. a3 Nbc6 12. Ne4 Ng6 13. g3 h6 14. Bg2 f5 15. Nc3 Kb8 16. O-O Be6 17. b4 a5 18. b5 Nd4 19. Nxd4 Rxd4 20. Ra1 Be7 21. Nd5 Bxd5 22. Bxd5 Rd8 23. Bxa5 Bc5 24. Rfd1 Ne7 25. e3 Nxd5 26. exd4 Bxd4 27. Rac1 Ne3 28. Rd2 Ng4 29. Bc3 Kc8 30. Bxd4 Rxd4 31. Re2 e4 32. dxe4 fxe4 33. Rce1 Nf6 34. Rc2 Rd3 35. Re3 Rxe3 36. fxe3 Kd7 37. Rd2+ Ke6 38. Kf1 Ng4 39. Rd4 Ke5 40. Ke2 Nf6 41. h3 c5 42. Rd1 b6 43. Kd2 Nh5 44. g4 Nf6 45. Kc3 g6 46. Rd8 g5 47. Rb8 Nd7 48. Rh8 Nf6 49. Rxh6 Nxg4 50. Rxb6 Nxe3 51. Rc6 Nd1+ 52. Kb3 g4 53. b6 gxh3 54. b7 e3 55. b8=Q+ Ke4 56. Qg3 Nf2 57. Re6+ Kf5 58. Rxe3 Ng4 59. Qf3+ Kg5 60. Re7 Nf2 61. Qxf2 Kg6 62. Qf4 h2 63. Qxh2 Kg5 64. Qg3+ Kf5 65. Rf7+ Ke6 66. Qf3 Ke5 67. Qd5# |