| ECO A06 in 2007 play it! program defeats black's program by checkmate in 73 moves | 1. Nf3 d5 2. d4 f5 3. Nc3 Nf6 4. Bf4 c6 5. h3 e6 6. e3 Bb4 7. a3 Bxc3+ 8. bxc3 Ne4 9. Qb1 O-O 10. Bd3 c5 11. Bxe4 fxe4 12. Nd2 Nc6 13. Bg3 Qe7 14. Qb5 a5 15. O-O e5 16. c4 exd4 17. cxd5 Nd8 18. Nb3 Bd7 19. Qxc5 Rf4 20. Qxe7 Rf7 21. Qxe4 Bb5 22. Rfe1 dxe3 23. Rxe3 Bd7 24. Nc5 Bf5 25. Qa4 b5 26. Qxb5 Bg6 27. Re8+ Rf8 28. Rxf8+ Kxf8 29. Re1 h6 30. Bh4 Kg8 31. Qd7 Kh7 32. Bxd8 Kg8 33. Re7 Kh8 34. Ne6 Ra7 35. Qxa7 Bd3 36. Qd4 Bf5 37. Qxg7# |
| ECO A06 in 2007 play it! program defeats black's program by checkmate in 69 moves | 1. Nf3 d5 2. d4 f5 3. Nc3 Nf6 4. Bf4 c6 5. h3 e6 6. e3 Bb4 7. Nd2 O-O 8. a3 Bxc3 9. bxc3 Ne4 10. Nxe4 fxe4 11. Be2 Qa5 12. Qd2 Nd7 13. Bd6 Rf6 14. O-O b5 15. a4 bxa4 16. Be7 Rf7 17. Bb4 Qc7 18. Rxa4 c5 19. Ba5 Qc6 20. Rfa1 e5 21. c4 Qf6 22. cxd5 Qxf2+ 23. Kh1 exd4 24. exd4 cxd4 25. Rxd4 e3 26. Qe1 Rf5 27. Bg4 e2 28. Qxf2 Re5 29. Be6+ Kh8 30. Qf7 Bb7 31. Qxd7 Rf8 32. Kh2 Ba8 33. Qd6 Ref5 34. Bxf5 e1=R 35. Qxf8# |
| ECO A06 in 2007 play it! program defeats black's program by checkmate in 121 moves | 1. Nf3 d5 2. d4 f5 3. Nc3 Nf6 4. e3 e6 5. Bd3 Bd6 6. Nb5 O-O 7. Nxd6 Qxd6 8. Bd2 Nc6 9. c4 Ne4 10. O-O e5 11. Nxe5 Nxe5 12. dxe5 Qxe5 13. Bxe4 dxe4 14. Bc3 Qe7 15. Qd5+ Kh8 16. Rfd1 c6 17. Qd6 Qxd6 18. Rxd6 Re8 19. b3 Be6 20. Rad1 Kg8 21. f3 Kf7 22. fxe4 fxe4 23. Rf1+ Kg6 24. Rf4 Rad8 25. Rg4+ Kh5 26. Rxd8 Rxd8 27. Rxe4 Rd1+ 28. Kf2 Bc8 29. Re8 Bf5 30. e4 Bg6 31. Re5+ Kg4 32. h3+ Kh4 33. Ke2 Rc1 34. Be1+ Rxe1+ 35. Kxe1 Kg3 36. Re7 Kxg2 37. Rxg7 a5 38. e5 a4 39. Rxg6+ Kf3 40. Rf6+ Ke4 41. e6 Ke5 42. e7 Kxf6 43. e8=Q axb3 44. axb3 h6 45. Ke2 Kf5 46. Qf7+ Ke5 47. Qe7+ Kf5 48. Qxb7 c5 49. Qd5+ Kf6 50. Qxc5 Kg6 51. b4 Kf6 52. Qh5 Kg7 53. Kd3 Kf6 54. Qxh6+ Ke7 55. Kd4 Ke8 56. Qe6+ Kd8 57. Qg8+ Kd7 58. Kd5 Ke7 59. Qg7+ Kd8 60. Kd6 Ke8 61. Qe7# |
| ECO A06 in 2007 play it! program defeats black's program by checkmate in 81 moves | 1. Nf3 d5 2. d4 f5 3. Nc3 Nf6 4. e3 e6 5. Bd3 Bd6 6. Nb5 O-O 7. Nxd6 Qxd6 8. Bd2 Nc6 9. c4 Ne4 10. O-O e5 11. Nxe5 Nxe5 12. dxe5 Qxe5 13. Bxe4 dxe4 14. Bc3 Qe7 15. b3 Qf7 16. f3 Re8 17. fxe4 Rxe4 18. Qd8+ Re8 19. Qd4 Re4 20. Qxe4 Kf8 21. Qh4 g6 22. Rad1 Bd7 23. e4 Qe7 24. Bb4 c5 25. Qxe7+ Kxe7 26. Bxc5+ Ke8 27. exf5 Bxf5 28. g4 Rc8 29. Ba3 b5 30. gxf5 g5 31. Rfe1+ Kf7 32. Rd7+ Kf6 33. Be7+ Kxf5 34. Rd5+ Kg6 35. Rxg5+ Kf7 36. Rxb5 Rc7 37. Rbe5 Rd7 38. Rf1+ Kg6 39. Rf6+ Kg7 40. Rg5+ Kh8 41. Rf8# |
| ECO A06 in 2007 play it! program defeats black's program by checkmate in 109 moves | 1. Nf3 d5 2. d4 f5 3. Nc3 Nf6 4. Bf4 c6 5. h3 e6 6. e3 Bb4 7. Bg5 Bxc3+ 8. bxc3 Qa5 9. Bxf6 Qxc3+ 10. Nd2 gxf6 11. Rb1 Ke7 12. Rb3 Qa5 13. Qb1 Rg8 14. c4 Nd7 15. cxd5 cxd5 16. Qc2 a6 17. g4 h5 18. gxf5 e5 19. Be2 h4 20. dxe5 Nxe5 21. f4 Nc6 22. Bg4 Rb8 23. Qb2 Qc5 24. Nf3 Bd7 25. Kf2 b6 26. Nxh4 Na5 27. Ng6+ Kf7 28. Rc3 Nc4 29. Qc1 Rbd8 30. Rd1 Bb5 31. Rd4 Qb4 32. Bf3 Qc5 33. Qh1 Bc6 34. h4 Qa5 35. Rc2 b5 36. Re2 Nb6 37. Qd1 Qa3 38. Rd3 Qc5 39. Qb3 Nc4 40. Rc2 Rde8 41. Rc1 a5 42. Rc2 a4 43. Qc3 b4 44. Bxd5+ Re6 45. Bxe6+ Kg7 46. Qxc4 Qxc4 47. Rxc4 Re8 48. Rxc6 b3 49. axb3 Ra8 50. bxa4 Rxa4 51. Rd7+ Kh6 52. Rcc7 Rxf4+ 53. exf4 Kh5 54. Kf3 Kh6 55. Rh7# |
| ECO A06 in 2007 play it! program defeats black's program in 77 moves | 1. Nf3 d5 2. d4 f5 3. Nc3 Nf6 4. e3 e6 5. Bd3 Bd6 6. Nb5 O-O 7. Nxd6 Qxd6 8. Bd2 c5 9. O-O Nc6 10. b3 Ne4 11. a4 e5 12. Nxe5 Nxe5 13. dxe5 Qxe5 14. f3 Nxd2 15. Qxd2 Re8 16. Rae1 g6 17. e4 c4 18. bxc4 dxe4 19. fxe4 Qd4+ 20. Qf2 Qxf2+ 21. Rxf2 Kg7 22. Kf1 fxe4 23. Bxe4 Be6 24. Bd5 Bg8 25. Ree2 Rad8 26. Rxe8 Rxe8 27. Re2 Rxe2 28. Kxe2 b6 29. Ke3 Bf7 30. Bxf7 Kxf7 31. Kd4 Kf6 32. c5 h5 33. cxb6 Ke6 34. bxa7 Kd7 35. a8=Q Ke6 36. Qe8+ Kf6 37. Qe5+ Kf7 38. a5 g5 39. Qc7+ |
| ECO A06 in 2007 play it! program defeats black's program by checkmate in 57 moves | 1. Nf3 d5 2. d4 f5 3. Nc3 Nf6 4. e3 e6 5. Bd3 Bd6 6. Nb5 O-O 7. Nxd6 Qxd6 8. Bd2 Nc6 9. c4 Ne4 10. O-O e5 11. dxe5 Nxe5 12. Nxe5 Qxe5 13. cxd5 Qxb2 14. Ba5 Qe5 15. Bb4 Rd8 16. Qh5 a5 17. Ba3 Qxd5 18. Rfd1 Be6 19. Be7 Re8 20. Ba3 Nc3 21. Rd2 Rad8 22. Qh3 Qe5 23. Re1 Bxa2 24. Bxf5 Qe6 25. Qxh7+ Kf7 26. Qh5+ Kg8 27. Bh7+ Kh8 28. Bg6+ Kg8 29. Qh7# |
| ECO A06 in 2007 play it! program defeats black's program by checkmate in 75 moves | 1. Nf3 d5 2. d4 f5 3. Nc3 Nf6 4. e3 e6 5. Bd3 Bd6 6. Nb5 O-O 7. Nxd6 Qxd6 8. Bd2 Nc6 9. c4 Ne4 10. O-O e5 11. Nxe5 Nxe5 12. dxe5 Qxe5 13. Bxe4 dxe4 14. Bc3 Qe7 15. Qd5+ Kh8 16. Rad1 c6 17. Qd6 Qf7 18. f3 Rg8 19. fxe4 Qxc4 20. exf5 Qe4 21. Qd3 Qxd3 22. Rxd3 Rf8 23. e4 b6 24. f6 gxf6 25. Bxf6+ Rxf6 26. Rxf6 Bb7 27. Rd7 Ba6 28. Rh6 Kg8 29. Rhxh7 Bc4 30. Rxa7 Rd8 31. Rhg7+ Kf8 32. b3 Be6 33. Rgc7 c5 34. Kf2 Re8 35. Rab7 Ra8 36. Rxb6 Ra5 37. Rb8+ Bc8 38. Rbxc8# |
| ECO A06 in 2007 play it! program defeats black's program by checkmate in 55 moves | 1. Nf3 d5 2. d4 f5 3. Nc3 Nf6 4. e3 e6 5. Bd3 Bd6 6. Nb5 O-O 7. Nxd6 Qxd6 8. Bd2 c5 9. dxc5 Qxc5 10. b4 Qc7 11. O-O e5 12. Be2 a6 13. a4 Ne4 14. b5 axb5 15. Bb4 Rd8 16. axb5 Qc6 17. bxc6 Nxc6 18. Rxa8 Nxb4 19. Nxe5 Nc3 20. Qd2 Nxe2+ 21. Qxe2 Nc6 22. Nxc6 bxc6 23. Rb1 f4 24. exf4 Kf7 25. Rxc8 Rh8 26. Rb7+ Kg6 27. Rxc6+ Kf5 28. Rf7# |
| ECO A06 in 2007 play it! program defeats black's program by checkmate in 95 moves | 1. Nf3 d5 2. d4 f5 3. Nc3 Nf6 4. Bf4 c6 5. h3 e6 6. e3 Bb4 7. Bg5 Qa5 8. Bxf6 Bxc3+ 9. bxc3 Qxc3+ 10. Nd2 gxf6 11. Rb1 O-O 12. Bd3 Qa3 13. Ra1 Na6 14. Bxa6 Qxa6 15. g3 c5 16. dxc5 Qa5 17. O-O Qxc5 18. Nb3 Qc7 19. Rb1 Kh8 20. Qe2 e5 21. Rfd1 Be6 22. Kg2 Rac8 23. Nd2 b6 24. Rbc1 Rg8 25. Kh2 Qc5 26. Nf3 Qa3 27. Ra1 Qb2 28. Rdc1 Rc3 29. Ne1 Qa3 30. Nd3 Qa4 31. Rab1 Bd7 32. Rb3 Rc7 33. Rb2 Bb5 34. Qd2 Bc4 35. Qc3 Rgg7 36. Qd2 Rg5 37. f4 Rg8 38. fxe5 Bxd3 39. Qxd3 fxe5 40. Qxd5 Rc5 41. Qd3 Qc4 42. Rf1 Rf8 43. Rxf5 Qxa2 44. Rxf8+ Kg7 45. Rxa2 Rc6 46. Rxa7+ Rc7 47. Qd6 Re7 48. Qf6# |
| ECO A06 in 2007 play it! program defeats black's program by checkmate in 75 moves | 1. Nf3 d5 2. d4 f5 3. Nc3 Nf6 4. e3 e6 5. Bd3 Bd6 6. Nb5 O-O 7. Nxd6 Qxd6 8. Bd2 c5 9. O-O Nc6 10. b3 Bd7 11. dxc5 Qxc5 12. c4 dxc4 13. Bxc4 b5 14. Be2 Rad8 15. Rc1 Qb6 16. Bc3 Ne4 17. Bb2 a5 18. Re1 Bc8 19. Qc2 Bb7 20. Nd4 Rd6 21. Red1 Nb4 22. Qc7 Rf7 23. Qxb6 Rxb6 24. a3 Nd5 25. Nxb5 Ba6 26. a4 Re7 27. Bc4 Rd7 28. Bd4 Rbb7 29. Be5 Rb6 30. Bc7 Ndc3 31. Rxd7 Bxb5 32. axb5 Rxb5 33. f3 Ne2+ 34. Bxe2 Rc5 35. Bc4 Ng5 36. Bb6 Ne4 37. Bxe6+ Kh8 38. Rd8# |
| ECO A06 in 2007 play it! program defeats black's program by checkmate in 67 moves | 1. Nf3 d5 2. d4 f5 3. Nc3 Nf6 4. e3 e6 5. Bd3 Bd6 6. Nb5 O-O 7. Nxd6 Qxd6 8. Bd2 Nc6 9. c4 Ne4 10. O-O e5 11. Nxe5 Nxe5 12. dxe5 Qxe5 13. Bxe4 dxe4 14. Bc3 Qe7 15. b3 Qf7 16. f3 Re8 17. fxe4 Rxe4 18. Qd8+ Re8 19. Qd4 Re4 20. Qxe4 Kf8 21. Qh4 g6 22. Rad1 Bd7 23. e4 c5 24. exf5 gxf5 25. Qh6+ Ke8 26. Rfe1+ Kd8 27. Qd6 h5 28. Bf6+ Kc8 29. Qxc5+ Bc6 30. Rd8+ Kc7 31. Qd6+ Kb6 32. Bd4+ Ka6 33. Qa3+ Ba4 34. Qxa4# |
| ECO A06 in 2007 play it! program defeats black's program by checkmate in 119 moves | 1. Nf3 d5 2. d4 f5 3. Nc3 Nf6 4. Bf4 c6 5. h3 e6 6. e3 Bb4 7. a3 Bxc3+ 8. bxc3 Ne4 9. Qd3 Qa5 10. Be2 O-O 11. O-O Nxc3 12. Bd6 Rd8 13. Bb4 Nxe2+ 14. Qxe2 Qc7 15. a4 Na6 16. Ba3 c5 17. Rfb1 Bd7 18. Bb2 Rac8 19. c4 cxd4 20. cxd5 dxe3 21. Qxe3 exd5 22. Qe7 Bc6 23. Qe3 Qd7 24. Qxa7 Re8 25. Be5 Re7 26. Qd4 h6 27. Re1 b5 28. Qb6 Nb4 29. Rad1 Qa7 30. Qxa7 Rxa7 31. axb5 Bxb5 32. Rb1 Nd3 33. Rxb5 Nxe1 34. Nxe1 Rc1 35. Kf1 Rd7 36. Ke2 Kf7 37. Nd3 Rc2+ 38. Ke3 Rc4 39. Kd2 Ke6 40. Rb6+ Kf7 41. Bb2 Ke7 42. Ne5 Rd6 43. Ba3 Rd4+ 44. Nd3 Ke6 45. Bxd6 Kf7 46. Be5 Re4 47. Rb7+ Ke8 48. Bxg7 h5 49. g3 h4 50. Bf6 hxg3 51. Ne5 Rxe5 52. Bxe5 gxf2 53. Ke2 f1=B+ 54. Kxf1 Kf8 55. Ke2 Ke8 56. Ke3 Kf8 57. Kd4 Ke8 58. Kxd5 Kd8 59. Ke6 f4 60. Rb8# |
| ECO A06 in 2007 play it! program defeats black's program by checkmate in 99 moves | 1. Nf3 d5 2. d4 f5 3. Nc3 Nf6 4. e3 e6 5. Bd3 Bd6 6. Nb5 O-O 7. Nxd6 Qxd6 8. Bd2 c5 9. O-O Nc6 10. a4 Ne4 11. b3 Bd7 12. g3 e5 13. dxe5 Nxe5 14. Nxe5 Qxe5 15. f3 Nxd2 16. Qxd2 Rae8 17. Rae1 b6 18. c4 Be6 19. Qc2 g6 20. a5 Kh8 21. Kg2 dxc4 22. Bxc4 Bxc4 23. Qxc4 Rd8 24. Re2 Rd6 25. axb6 axb6 26. b4 Rfd8 27. bxc5 bxc5 28. Qc2 Rd3 29. e4 fxe4 30. fxe4 Rc3 31. Qb2 c4 32. Rf3 Rdd3 33. Rf7 Kg8 34. Rf4 Qe7 35. Qb5 Rd1 36. Ref2 Rcc1 37. Qc6 Kg7 38. R4f3 Rd4 39. Re2 Rcd1 40. e5 Kh6 41. Rff2 R1d3 42. e6 c3 43. Rf7 Rd6 44. Qe4 Rd7 45. Rxe7 R7d4 46. Qe5 Rf4 47. Qxf4+ g5 48. Qf6+ Kh5 49. Rxh7+ Kg4 50. Re4# |
| ECO A06 in 2007 play it! program defeats black's program by checkmate in 39 moves | 1. Nf3 d5 2. d4 f5 3. Nc3 Nf6 4. Bf4 c6 5. h3 e6 6. e3 Bb4 7. Bg5 Qa5 8. Bxf6 Bxc3+ 9. bxc3 Qxc3+ 10. Nd2 gxf6 11. Rb1 O-O 12. Bd3 e5 13. O-O exd4 14. Rb3 Qc5 15. exd4 Qxd4 16. Re1 Kh8 17. Qh5 Kg7 18. Re7+ Rf7 19. Rxf7+ Kh8 20. Qxh7# |
| ECO A06 in 2007 play it! program defeats black's program by checkmate in 55 moves | 1. Nf3 d5 2. d4 f5 3. Nc3 Nf6 4. e3 e6 5. Bd3 Bd6 6. Nb5 O-O 7. Nxd6 Qxd6 8. Bd2 Nc6 9. c4 Ne4 10. O-O e5 11. Nxe5 Nxe5 12. dxe5 Qxe5 13. Bxe4 dxe4 14. Bc3 Qe7 15. Qd5+ Kh8 16. Rad1 a6 17. f3 exf3 18. Rxf3 Re8 19. b3 c6 20. Qd3 Kg8 21. Rg3 g5 22. Qd4 Bd7 23. Qh8+ Kf7 24. Qxh7+ Kf8 25. Qh8+ Kf7 26. Qg7+ Ke6 27. Qg6+ Qf6 28. Qxf6# |
| ECO A06 in 2007 play it! program defeats black's program by checkmate in 67 moves | 1. Nf3 d5 2. d4 f5 3. Nc3 Nf6 4. e3 e6 5. Bd3 Bd6 6. Nb5 O-O 7. Nxd6 Qxd6 8. Bd2 c5 9. dxc5 Qxc5 10. b4 Qc7 11. O-O e5 12. Be2 a6 13. a4 Ne4 14. b5 axb5 15. Bb4 Rd8 16. axb5 Rxa1 17. Qxa1 Qc6 18. bxc6 Nxc6 19. Ba3 d4 20. exd4 exd4 21. Bb2 Nc3 22. Bc4+ Kh8 23. Nxd4 Rxd4 24. Qa3 Ne2+ 25. Bxe2 Rd8 26. Qe3 Rf8 27. Bc4 Bd7 28. Bxg7+ Kxg7 29. Qg3+ Kf6 30. Qd6+ Kg7 31. Qxd7+ Kh8 32. Re1 Nb4 33. Qd4+ Rf6 34. Qxf6# |
| ECO A06 in 2007 play it! program defeats black's program by checkmate in 57 moves | 1. Nf3 d5 2. d4 f6 3. Nc3 c6 4. h3 Nd7 5. e4 dxe4 6. Nxe4 f5 7. Ng3 Qa5+ 8. c3 Qd5 9. Bd3 Qe6+ 10. Ne2 Ngf6 11. O-O g6 12. Re1 b6 13. Nf4 Ng4 14. Nxe6 Nxf2 15. Kxf2 Rb8 16. Bf4 Rb7 17. Ba6 h5 18. Bxb7 Bxb7 19. Nh4 Rh7 20. Nxg6 a5 21. g3 h4 22. Nxh4 Bc8 23. Nxf5 Rxh3 24. Nxf8 Kxf8 25. Nxe7 Ba6 26. Ng6+ Kg7 27. Re7+ Kg8 28. Qb3+ Bc4 29. Qxc4# |
| ECO A06 in 2007 play it! program defeats black's program in 95 moves | 1. Nf3 d5 2. d4 f6 3. Nc3 c6 4. h3 Nd7 5. e4 dxe4 6. Nxe4 f5 7. Nc3 g6 8. Be2 Bh6 9. O-O Bxc1 10. Qxc1 Nb6 11. Re1 Qd6 12. a4 Be6 13. Ng5 Bd7 14. a5 Nd5 15. Nxd5 Qxd5 16. a6 b6 17. Qf4 h6 18. Nf3 Nf6 19. c4 Qd6 20. Ne5 g5 21. Qe3 Rd8 22. Bd3 f4 23. Qe2 O-O 24. Ng6 Rfe8 25. Qe5 Kf7 26. Re2 Qxe5 27. Nxe5+ Kg8 28. b4 h5 29. Bg6 Rf8 30. Rd1 Kg7 31. Bd3 Rfe8 32. Rde1 e6 33. g3 Rf8 34. Ng6 Rf7 35. gxf4 g4 36. Ne5 Rff8 37. hxg4 Nxg4 38. Ng6 Rg8 39. f3 Nf6 40. Ne7 Rge8 41. Rg2+ Kf7 42. Ng6 h4 43. Ne5+ Kf8 44. Rg6 Ng8 45. Kf2 b5 46. Reg1 c5 47. Rxg8+ Ke7 48. R8g7+ |
| ECO A06 in 2007 play it! program defeats black's program by checkmate in 139 moves | 1. Nf3 d5 2. d4 f6 3. Nc3 c6 4. e3 g5 5. Bd3 Nh6 6. h4 gxh4 7. Rxh4 Bg4 8. e4 Qa5 9. Bxh6 dxe4 10. Rxg4 exd3 11. Bxf8 dxc2 12. Qxc2 Kxf8 13. Rh4 h5 14. Qg6 Nd7 15. g3 e6 16. Rf4 Ke7 17. Qg7+ Kd6 18. O-O-O Rhd8 19. Qf7 Kc7 20. Qxe6 Re8 21. Qf7 Rf8 22. Qc4 Rad8 23. Re1 Kb8 24. Qe6 Qc7 25. Rf5 Rh8 26. Kb1 a6 27. d5 c5 28. Re4 Ka7 29. Qf7 Rdf8 30. Qe7 Qc8 31. Re6 Re8 32. Qd6 Rh6 33. Na4 Rd8 34. b3 Rh7 35. Nb6 Qb8 36. a3 Rf7 37. Rxh5 Nf8 38. Qxb8+ Kxb8 39. Re1 Ka7 40. Nc4 Rfd7 41. Ne3 b5 42. Rc1 Kb6 43. Rh6 Rd6 44. Nd2 Re8 45. Ndc4+ bxc4 46. Nxc4+ Kc7 47. Nxd6 Kxd6 48. Rxf6+ Kxd5 49. Rd1+ Ke5 50. Rxa6 Kf5 51. Rd5+ Re5 52. Rxe5+ Kxe5 53. Kc2 Nd7 54. Kd3 Kd5 55. f4 Nf8 56. Rh6 Nd7 57. g4 Nf8 58. Rh5+ Kc6 59. Kc4 Ne6 60. f5 Nd4 61. f6 Kd6 62. Rxc5 Nc2 63. Kd3 Ne1+ 64. Kc3 Ke6 65. Rf5 Ng2 66. f7 Kd6 67. f8=Q+ Ke6 68. Rf6+ Ke5 69. Qd6+ Ke4 70. Qd4# |