| ECO A00 in 2007 play it! program defeats white's program in 62 moves | 1. g4 e5 2. e3 Nc6 3. Be2 d5 4. d4 h5 5. dxe5 hxg4 6. Nc3 Bb4 7. Bb5 a6 8. Bxc6+ bxc6 9. Bd2 g3 10. fxg3 Ne7 11. a3 Bc5 12. Qf3 Be6 13. b4 Bb6 14. Nge2 Ng6 15. O-O Nxe5 16. Qf4 Ng4 17. h4 g5 18. Qxg5 Qxg5 19. Rad1 Qe5 20. Rf3 Nxe3 21. Bxe3 Bxe3+ 22. Kg2 Bg4 23. Rff1 d4 24. Rd3 O-O-O 25. Nxd4 Bxd4 26. Rxf7 Bxc3 27. Rf2 Rxd3 28. cxd3 Be1 29. a4 Qe3 30. Rf7 Qxg3+ 31. Kf1 Be2+ |
| ECO A00 in 2007 play it! program defeats white's program in 40 moves | 1. g4 e5 2. e3 Nc6 3. Be2 h5 4. gxh5 d5 5. d4 e4 6. Nc3 Nf6 7. a3 Bd6 8. Nb5 Be7 9. c4 dxc4 10. Bxc4 a6 11. Nc3 b5 12. Be2 Bf5 13. Qc2 Qd6 14. Bd2 O-O-O 15. Nf3 Rxh5 16. Ne5 Nxd4 17. exd4 e3 18. Qc1 exf2+ 19. Kd1 Rg5 20. Bxg5 Qxd4+ |
| ECO A00 in 2007 play it! program defeats white's program by checkmate in 84 moves | 1. g4 e5 2. e3 Nc6 3. Be2 d5 4. Nc3 h5 5. d4 exd4 6. exd4 hxg4 7. Bxg4 Bxg4 8. Qxg4 Nf6 9. Qe2+ Qe7 10. Be3 Rh5 11. O-O-O O-O-O 12. Nf3 Re8 13. Rhe1 Qd7 14. Qd3 Nb4 15. Qe2 Qf5 16. Ne5 Rxh2 17. a3 Na6 18. Rh1 Rxh1 19. Rxh1 Qe6 20. Nb5 Kb8 21. Bf4 Qf5 22. Qd2 Ne4 23. Nc4 Nxd2 24. Bxd2 dxc4 25. Nc3 Qxf2 26. Nb5 c6 27. Nc3 Qxd4 28. Rf1 f6 29. Rd1 Nc5 30. Be1 Qf4+ 31. Bd2 Qf3 32. Rg1 g5 33. Kb1 g4 34. Be1 Bd6 35. Bd2 g3 36. Nd1 Re2 37. Bh6 Qe4 38. Ka1 Re1 39. Rxe1 Qxe1 40. Ka2 Qxd1 41. b3 Qxc2+ 42. Ka1 Nxb3# |
| ECO A00 in 2007 play it! program defeats white's program by checkmate in 78 moves | 1. g4 e5 2. e3 Nc6 3. Be2 h5 4. gxh5 Nf6 5. d4 d5 6. dxe5 Nxe5 7. Qd4 Nc6 8. Qd3 Ne4 9. Nf3 Rxh5 10. Nd4 Rh8 11. Rf1 Rxh2 12. Nf3 Rg2 13. c3 Bg4 14. Qb5 a6 15. Qb3 Nc5 16. Qd1 g5 17. b3 Ne4 18. Nd4 Bxe2 19. Qxe2 Ne5 20. a4 Ng3 21. fxg3 Rxe2+ 22. Kxe2 c5 23. Rf5 Bg7 24. Nf3 Nxf3 25. Kxf3 Rc8 26. Ke2 Rc6 27. Ba3 c4 28. bxc4 dxc4 29. Rb5 Qd3+ 30. Ke1 Bxc3+ 31. Nxc3 Qxc3+ 32. Ke2 axb5 33. axb5 Re6 34. Bc5 Qxa1 35. e4 Rxe4+ 36. Be3 Qc1 37. g4 Qxe3+ 38. Kf1 Rxg4 39. b6 Rg1# |
| ECO A00 in 2007 play it! program defeats white's program by checkmate in 66 moves | 1. g4 e5 2. e3 Nc6 3. Be2 d5 4. Nc3 Bc5 5. h3 Nf6 6. Bb5 a6 7. Bxc6+ bxc6 8. d4 Bd6 9. dxe5 Bxe5 10. Qd3 h5 11. Nf3 Bxc3+ 12. Qxc3 hxg4 13. Ne5 Qd6 14. Rg1 Ne4 15. Qd4 Rxh3 16. Nxg4 Bxg4 17. Rxg4 Rh1+ 18. Ke2 Rh2 19. Rf4 g5 20. Rf3 f6 21. c4 O-O-O 22. cxd5 cxd5 23. Bd2 g4 24. Rf1 gxf3+ 25. Kd1 Nxf2+ 26. Kc1 c5 27. Qa4 Nd3+ 28. Kb1 Rxd2 29. Rxf3 Rxb2+ 30. Ka1 Rg2 31. Kb1 Qb8+ 32. Qb5 Qxb5+ 33. Ka1 Qb2# |
| ECO A00 in 2007 play it! program defeats white's program by checkmate in 72 moves | 1. g4 e5 2. e3 Nc6 3. Be2 d5 4. d4 h5 5. dxe5 hxg4 6. Nc3 Bb4 7. Bb5 a6 8. Bxc6+ bxc6 9. Ne2 Qe7 10. a3 Bxc3+ 11. Nxc3 Qxe5 12. Qd4 Qxd4 13. exd4 Bf5 14. Kd1 O-O-O 15. Bf4 Re8 16. Kd2 Nf6 17. Rhe1 Kd8 18. Re5 Rxe5 19. dxe5 Nd7 20. Ne2 Nc5 21. Nd4 Bd7 22. Ke2 Ne4 23. f3 g5 24. Bg3 Nxg3+ 25. hxg3 Rh2+ 26. Ke3 c5 27. Nb3 Rxc2 28. fxg4 Ba4 29. Na5 Rxb2 30. Rc1 c4 31. Rf1 Ke7 32. Rf6 c3 33. Nc6+ Ke8 34. Nb4 c2 35. Rd6 c1=Q+ 36. Kd3 Qd2# |
| ECO A00 in 2007 play it! program defeats white's program by checkmate in 46 moves | 1. g4 e5 2. e3 Nc6 3. Be2 h5 4. gxh5 d5 5. Nc3 Bb4 6. d4 Bxc3+ 7. bxc3 Nf6 8. dxe5 Ne4 9. Nf3 Nxf2 10. Kxf2 Rxh5 11. Rg1 g6 12. Bb5 a6 13. Bxc6+ bxc6 14. c4 Bf5 15. Ba3 Be4 16. cxd5 Qxd5 17. e6 Bxf3 18. Be7 Bxd1 19. Raxd1 Rxh2+ 20. Kg3 Qe5+ 21. Kg4 Qf5+ 22. Kg3 Rh3+ 23. Kg2 Qf3# |
| ECO A00 in 2007 play it! program defeats white's program by checkmate in 96 moves | 1. g4 e5 2. e3 Nc6 3. Be2 d5 4. Nc3 Bc5 5. Bb5 Nf6 6. g5 Ne4 7. Nxe4 dxe4 8. Qh5 Bf5 9. f3 Qd7 10. fxe4 Bxe4 11. c4 Bxh1 12. h4 Qf5 13. Qe2 O-O-O 14. a3 Na5 15. Ba4 Qe4 16. b4 Nxc4 17. bxc5 Qxh4+ 18. Qf2 Qxf2+ 19. Kxf2 Nxd2 20. Ke1 Ne4 21. c6 Nxg5 22. cxb7+ Bxb7 23. Bb2 f6 24. Rd1 h5 25. Bc3 h4 26. Ne2 Rxd1+ 27. Bxd1 h3 28. Ng3 h2 29. Bg4+ Kd8 30. Bb4 c5 31. Ba5+ Ke7 32. Nf5+ Ke6 33. Ng3+ Kd5 34. Bf5 h1=Q+ 35. Nxh1 Rxh1+ 36. Kf2 Rh2+ 37. Ke1 Ra2 38. Bc7 Bc6 39. Bg4 c4 40. Bc8 c3 41. Bg4 Ra1+ 42. Ke2 c2 43. Bf3+ Nxf3 44. Kxf3 c1=Q 45. e4+ Kc5 46. Kg2 Qd2+ 47. Kf3 Rxa3+ 48. Kg4 Qg5# |
| ECO A00 in 2007 play it! program defeats white's program by checkmate in 106 moves | 1. g4 e5 2. e3 Nc6 3. Be2 d5 4. d4 h5 5. Nc3 exd4 6. exd4 hxg4 7. Bxg4 Bxg4 8. Qxg4 Nf6 9. Qe2+ Qe7 10. Be3 O-O-O 11. O-O-O Qd7 12. Nf3 Re8 13. Qb5 Qf5 14. Ne1 Bb4 15. Rg1 Bxc3 16. bxc3 g6 17. Rg5 Qe4 18. c4 Rd8 19. cxd5 Nxd5 20. Qd3 Qe6 21. Bd2 Nf6 22. Nf3 Qxa2 23. Bc3 Rd5 24. Rxd5 Nxd5 25. Bb2 Rh3 26. Qe4 Nf6 27. Qf4 Nd7 28. Ng5 Rh5 29. Qxf7 Qxf7 30. Nxf7 Rf5 31. Nh8 Rxf2 32. Rd2 Rf1+ 33. Rd1 Rxd1+ 34. Kxd1 Ne7 35. Nf7 b5 36. Kd2 a5 37. Ke2 Kb7 38. Kd3 Kb6 39. Ne5 Nxe5+ 40. dxe5 Kc6 41. Ba3 b4 42. Bb2 Kd5 43. c4+ Ke6 44. Bd4 Nc6 45. c5 b3 46. Bg1 Nxe5+ 47. Kc3 a4 48. Bf2 Kd5 49. Bg3 Nc4 50. h4 b2 51. Kb4 b1=Q+ 52. Kxa4 c6 53. h5 Qb5# |
| ECO A00 in 2007 play it! program defeats white's program by checkmate in 96 moves | 1. g4 e5 2. e3 Nc6 3. Be2 d5 4. d4 h5 5. dxe5 hxg4 6. Nc3 Bb4 7. Bb5 a6 8. Bxc6+ bxc6 9. Bd2 g3 10. fxg3 Qg5 11. Qf3 Bxc3 12. Bxc3 Qg6 13. Qg2 Bg4 14. e4 dxe4 15. h3 Be6 16. Ne2 O-O-O 17. Nf4 Qf5 18. Nxe6 Qxe6 19. Rd1 Qxa2 20. Rxd8+ Kxd8 21. b3 Ne7 22. Qxe4 Nd5 23. Bd4 Qa5+ 24. Kf1 Qd2 25. Bf2 Re8 26. c4 Nc3 27. Qf4 Qd3+ 28. Kg2 Re7 29. Qd4+ Qxd4 30. Bxd4 Ne4 31. Re1 Nd2 32. Bc5 Rd7 33. Re3 a5 34. Kf2 a4 35. bxa4 Nxc4 36. e6 Nxe3 37. Bb4 Nd1+ 38. Kf3 fxe6 39. a5 Rd3+ 40. Ke2 Rb3 41. Bf8 Nc3+ 42. Ke3 Nd5+ 43. Kd4 Rf3 44. Bxg7 Rxg3 45. Bf8 Rxh3 46. Bc5 Re3 47. Bb6 e5+ 48. Kc4 Rc3# |
| ECO A00 in 2007 play it! program defeats white's program by checkmate in 126 moves | 1. g4 e5 2. e3 Nc6 3. Be2 h5 4. gxh5 Bc5 5. Nc3 d5 6. Bb5 Nf6 7. d4 exd4 8. exd4 Qe7+ 9. Nge2 Bb4 10. h6 gxh6 11. a3 Bxc3+ 12. bxc3 Ne4 13. Be3 Bg4 14. Qd3 Bxe2 15. Bxc6+ bxc6 16. Kxe2 Kd8 17. f3 Nd6 18. Rhe1 Re8 19. Kf1 Qh4 20. Kg2 Rg8+ 21. Kh1 Kd7 22. Re2 Rae8 23. Rb1 Qh3 24. Bf4 Nf5 25. Rf2 Ng3+ 26. Bxg3 Rxg3 27. Qf1 Re3 28. Qxh3+ Rxh3 29. Kg2 Rh4 30. Rb3 f5 31. h3 Kd6 32. Kg3 Rhe4 33. Kg2 Re6 34. Kg3 Re2 35. Rxe2 Rxe2 36. Kf4 Rf2 37. Rb2 c5 38. Rb7 Rxc2 39. dxc5+ Kc6 40. Rxa7 Rxc3 41. h4 h5 42. Kxf5 Rxf3+ 43. Ke5 Rh3 44. Ra6+ Kxc5 45. Ra5+ Kc4 46. Rxd5 Rxh4 47. Rd1 c5 48. Rc1+ Kb5 49. Rb1+ Kc6 50. Rd1 c4 51. Rd4 Rxd4 52. Kf5 c3 53. Ke5 Kc5 54. Ke6 c2 55. a4 c1=Q 56. a5 Qe1+ 57. Kf7 Qxa5 58. Ke6 Qe1+ 59. Kf5 h4 60. Kg5 Qe5+ 61. Kg6 h3 62. Kh6 Rg4 63. Kh7 Qh5# |
| ECO A00 in 2007 play it! program defeats white's program by checkmate in 60 moves | 1. g4 e5 2. e3 Nc6 3. Be2 d5 4. d4 h5 5. dxe5 hxg4 6. Bxg4 Nxe5 7. Bxc8 Rxc8 8. Nc3 c6 9. Qd4 Qf6 10. Qxa7 b5 11. Qb7 Ne7 12. a4 Ng4 13. Qa8 Qxf2+ 14. Kd1 Qf1+ 15. Kd2 Rxa8 16. b3 Qg2+ 17. Nce2 Qxh1 18. h3 Ne5 19. Bb2 Qe4 20. Nc3 Qg2+ 21. Nce2 Nf3+ 22. Nxf3 Qxf3 23. Ng1 Qf2+ 24. Ne2 Rxh3 25. Bd4 Nf5 26. c3 Nxd4 27. exd4 Qe3+ 28. Kd1 Rh1+ 29. Ng1 Rxg1+ 30. Kc2 Qe2# |
| ECO A00 in 2007 play it! program defeats white's program by checkmate in 98 moves | 1. g4 e5 2. e3 Nc6 3. Be2 d5 4. Nc3 Bb4 5. a3 Bxc3 6. dxc3 Nf6 7. c4 d4 8. h3 h5 9. gxh5 Bf5 10. h6 gxh6 11. Nf3 dxe3 12. Bxe3 Qxd1+ 13. Rxd1 Bxc2 14. Rd2 Be4 15. Rg1 Bf5 16. Bf1 Ne4 17. Rd5 Be6 18. Rb5 Nd6 19. Rc5 f6 20. Rg6 Ne4 21. Rb5 O-O-O 22. Rxh6 Rxh6 23. Bxh6 b6 24. Rb3 Nd4 25. Nxd4 exd4 26. Bf4 Re8 27. Kd1 Nxf2+ 28. Kc2 Bf5+ 29. Kd2 Ne4+ 30. Kd1 Kd7 31. Rf3 Bg6 32. a4 Bh5 33. Be2 Nd6 34. Rg3 Rxe2 35. b4 Rf2+ 36. Ke1 Rxf4 37. Rg7+ Kd8 38. c5 bxc5 39. bxc5 Re4+ 40. Kd2 Re2+ 41. Kc1 Nf5 42. Rh7 Bg6 43. Rh8+ Be8 44. h4 Ne3 45. Rg8 d3 46. Rf8 Rc2+ 47. Kb1 d2 48. Rxe8+ Kxe8 49. h5 d1=Q# |
| ECO A00 in 2007 play it! program defeats white's program by checkmate in 62 moves | 1. g4 e5 2. e3 Nc6 3. Be2 d5 4. Nc3 h5 5. d4 exd4 6. exd4 hxg4 7. Bxg4 Bb4 8. Be2 Nf6 9. Bg5 Qd6 10. Nf3 Ne4 11. Qd3 Nxg5 12. Nxg5 Bxc3+ 13. Qxc3 Qe7 14. Nf3 Bg4 15. Ne5 Bxe2 16. Kxe2 f6 17. Rad1 O-O-O 18. f4 fxe5 19. dxe5 g5 20. Rde1 Rh4 21. Kd1 Rxf4 22. Kc1 Rf2 23. Kb1 g4 24. Rhg1 Rxh2 25. Rxg4 Re8 26. Qf3 Nxe5 27. Qxd5 c6 28. Rd4 cxd5 29. Ree4 Rh1+ 30. Re1 Rxe1+ 31. Rd1 Rxd1# |
| ECO A00 in 2007 play it! program defeats white's program by checkmate in 28 moves | 1. g4 e5 2. e3 Nc6 3. Bg2 h5 4. h3 hxg4 5. hxg4 Rxh1 6. Bxh1 d5 7. d3 Nh6 8. Bf3 Qh4 9. Bxd5 Bxg4 10. Ne2 O-O-O 11. Bxc6 bxc6 12. Nd4 Bb4+ 13. Nc3 Qh1+ 14. Kd2 Qxd1# |
| ECO A00 in 2007 play it! program defeats white's program by checkmate in 60 moves | 1. g4 e5 2. e3 Nc6 3. Bg2 h5 4. h3 hxg4 5. hxg4 Rxh1 6. Bxh1 d5 7. d4 e4 8. Nc3 Nh6 9. Bg2 Bxg4 10. Qd2 Bb4 11. a3 Bxc3 12. Qxc3 Qh4 13. Qb3 O-O-O 14. c4 dxc4 15. Qc2 Qh2 16. Kf1 f5 17. Qxc4 Kb8 18. Qe6 Bh5 19. Qc4 Ne5 20. Bh3 Nxc4 21. b3 Ne5 22. Bg2 Bf3 23. Nxf3 exf3 24. Bxf3 Nxf3 25. Ke2 Ng4 26. Kd3 Qxf2 27. Kc3 Nxe3 28. Bxe3 Qxe3+ 29. Kc4 Rxd4+ 30. Kb5 Qe5# |
| ECO A00 in 2007 play it! program defeats white's program in 134 moves | 1. g4 e5 2. e3 Nc6 3. Bg2 d5 4. Nc3 Nge7 5. d4 h5 6. gxh5 e4 7. f3 exf3 8. Nxf3 Rxh5 9. O-O Bg4 10. Qd3 Qd6 11. Nb5 Qd7 12. Bd2 a6 13. Na3 Qd6 14. Rf2 b6 15. Re1 Bf5 16. Qe2 g6 17. Rd1 b5 18. Be1 Bh6 19. Rf1 Qe6 20. Bf2 O-O-O 21. Rde1 Be4 22. c3 Qg4 23. Nh4 Qxe2 24. Rxe2 Bd3 25. Bf3 Rg5+ 26. Ng2 Rf5 27. Bg4 Bxe2 28. Bxe2 Kb8 29. Bd3 Rf6 30. Nc2 Rd7 31. b3 Re6 32. a4 bxa4 33. bxa4 f5 34. Nf4 Bxf4 35. exf4 Ka7 36. Ne1 Rd8 37. Nf3 Rb8 38. Ng5 Rf6 39. Rb1 Rxb1+ 40. Bxb1 Na5 41. Bd3 Kb6 42. Kg2 Rc6 43. Be1 Nc4 44. Kf3 Ka5 45. Nf7 Kxa4 46. Ne5 Re6 47. Bh4 Nxe5+ 48. fxe5 Kb3 49. Be1 c5 50. Ke3 Nc6 51. Bd2 cxd4+ 52. Ke2 Rxe5+ 53. Kd1 dxc3 54. Bf4 Re7 55. Bxa6 c2+ 56. Kd2 Kb2 57. Kd3 Nb4+ 58. Kd4 Re4+ 59. Kc5 Nxa6+ 60. Kd6 Rxf4 61. Kxd5 c1=Q 62. h3 Qc4+ 63. Ke5 Qc5+ 64. Kxf4 Qf2+ 65. Ke5 Qe3+ 66. Kd6 Qxh3 67. Kd5 Qd3+ |
| ECO A00 in 2007 play it! program defeats white's program by checkmate in 72 moves | 1. g4 e5 2. e3 Nc6 3. Bg2 d5 4. Nc3 Nge7 5. d4 e4 6. Bd2 h5 7. gxh5 Nf5 8. Bf1 a6 9. a3 Nh4 10. h6 Rxh6 11. Qe2 Rg6 12. Qf3 exf3 13. O-O-O Bf5 14. Nh3 Bd6 15. Nxd5 Ng2 16. Ng1 Bxa3 17. Nc3 Bb4 18. Nxf3 Nh4 19. Ne5 Nxe5 20. dxe5 Qe7 21. f4 O-O-O 22. e4 Bxc3 23. exf5 Bxd2+ 24. Rxd2 Rc6 25. Bh3 Kb8 26. Rxd8+ Qxd8 27. Rd1 Qf8 28. Rd7 Rc4 29. f6 gxf6 30. c3 Rxf4 31. exf6 Rxf6 32. c4 Rf2 33. Kd1 Rxh2 34. Bg4 Qb4 35. Rd3 Qxb2 36. Rf3 Qd2# |
| ECO A00 in 2007 play it! program defeats white's program by checkmate in 50 moves | 1. g4 e5 2. e3 Nc6 3. Bg2 d5 4. Nc3 Nge7 5. d4 e4 6. b3 h5 7. h3 hxg4 8. hxg4 Rxh1 9. Qd3 Rxg1+ 10. Qf1 Rxf1+ 11. Bxf1 Nb4 12. Kd2 Bxg4 13. a3 Nbc6 14. Bb2 a6 15. Be2 Bxe2 16. Nxe2 Ng6 17. Nc3 Qf6 18. Nxd5 Qxf2+ 19. Kd1 O-O-O 20. Bc3 Rxd5 21. Bd2 Nxd4 22. exd4 Qxd4 23. Ke1 Qxd2+ 24. Kf1 Bc5 25. c4 Qf2# |
| ECO A00 in 2007 play it! program defeats white's program by checkmate in 56 moves | 1. g4 e5 2. e3 Nc6 3. Bg2 d5 4. Nc3 Nf6 5. g5 Ne4 6. Nxe4 dxe4 7. Bxe4 Qxg5 8. Bxc6+ bxc6 9. Qf3 Qg6 10. Qg3 Bd6 11. d3 Bf5 12. Qxg6 hxg6 13. e4 Bg4 14. c3 O-O-O 15. Be3 Kb7 16. a4 f6 17. a5 c5 18. Ne2 Bf3 19. Rg1 Rxh2 20. Bxc5 Bxc5 21. d4 exd4 22. b4 Bxe2 23. bxc5 d3 24. a6+ Kc6 25. Ra2 Bf3 26. Kf1 d2 27. Ra1 d1=Q+ 28. Rxd1 Rxd1# |