| ECO A00 in 2007 play it! deepfritz defeats white's deepfritz by checkmate in 80 moves | 1. h4 e5 2. f4 exf4 3. d4 Qf6 4. a3 d5 5. Nc3 c6 6. Nf3 Ne7 7. Bd2 Be6 8. Ne5 Ng6 9. Nf3 Nd7 10. h5 Ne7 11. Rh3 Bxh3 12. gxh3 O-O-O 13. Bg2 Nf5 14. b4 Nxd4 15. Qc1 Re8 16. b5 Nxf3+ 17. Bxf3 Ne5 18. Bg4+ Nxg4 19. hxg4 Qh4+ 20. Kd1 d4 21. bxc6 dxc3 22. cxb7+ Kxb7 23. Qb1+ Kc8 24. Qb5 Qh1+ 25. Be1 Rd8+ 26. Qd3 Rxd3+ 27. cxd3 f3 28. exf3 Qxf3+ 29. Kc2 Qxg4 30. Bxc3 Qe2+ 31. Bd2 Qxh5 32. d4 Qd5 33. Bc3 Kd7 34. Kd2 f5 35. Kc2 g5 36. a4 g4 37. Rg1 Qc4 38. Rb1 Qxa4+ 39. Kb2 Ba3+ 40. Ka2 Bc1# |
| ECO A00 in 2007 play it! deepfritz defeats white's deepfritz in 94 moves | 1. h4 e5 2. f4 exf4 3. d4 Qf6 4. a3 d5 5. Nc3 c6 6. Nf3 Bd6 7. b3 Bg4 8. Qd3 Ne7 9. Bb2 g6 10. O-O-O Nf5 11. Rd2 O-O 12. Kb1 Ne3 13. Rh3 Bxh3 14. gxh3 Nxf1 15. Rd1 Ne3 16. Rg1 Qf5 17. Qxf5 Nxf5 18. h5 Nd7 19. Rg5 Rae8 20. hxg6 fxg6 21. Rg4 Re3 22. Rg2 Rfe8 23. b4 Nb6 24. Rg4 Nc4 25. Ka2 Ng3 26. Ng1 Nxb2 27. Kxb2 a5 28. bxa5 Ra8 29. Nd1 Re4 30. e3 Rxa5 31. exf4 Bxa3+ 32. Kc3 Nf5 33. Nf3 Ne3 34. Rg1 Rxf4 35. Nd2 Nf5 36. Rg4 Nxd4 37. Rxf4 Ne2+ 38. Kb3 Nxf4 39. h4 Be7 40. Nc3 Bxh4 41. Nf3 Be7 42. Ne5 h5 43. Nd1 h4 44. Nf2 h3 45. Nfg4 Ra3+ 46. Kb2 Kg7 47. Kc1 Ra1+ |
| ECO A00 in 2007 play it! deepfritz defeats white's deepfritz by checkmate in 90 moves | 1. h4 e5 2. f4 exf4 3. d4 Qf6 4. a3 g6 5. Nc3 c6 6. Qd2 Be7 7. Qxf4 d5 8. Nf3 Na6 9. Ne5 Qxf4 10. Bxf4 f6 11. Nd3 Bf5 12. g3 O-O-O 13. O-O-O Re8 14. Bg2 Bd8 15. Bh3 Bxh3 16. Rxh3 Bc7 17. Bxc7 Nxc7 18. b3 f5 19. Ne5 Nh6 20. h5 g5 21. Rd3 Ne6 22. e3 Nc5 23. Rd1 Nd7 24. Nxd7 Kxd7 25. Kd2 Ng4 26. Re1 Re6 27. Na4 b6 28. c4 dxc4 29. bxc4 Rhe8 30. c5 b5 31. Nc3 Rxe3 32. Rxe3 Nxe3 33. Kd3 Nf1 34. d5 g4 35. Rh4 Nxg3 36. d6 Ne4 37. Nxe4 Rxe4 38. Rh2 g3 39. Re2 a5 40. Kd2 Rxe2+ 41. Kd1 Re4 42. a4 g2 43. Kd2 g1=Q 44. Kc2 Re2+ 45. Kd3 Qe3# |
| ECO A00 in 2007 play it! deepfritz defeats white's deepfritz by checkmate in 118 moves | 1. h4 e5 2. f4 exf4 3. d4 Qf6 4. a3 d5 5. Nc3 c6 6. Nf3 Ne7 7. Qd2 Bf5 8. Qxf4 Bxc2 9. Qxf6 gxf6 10. Bf4 Ng6 11. Bh2 Nd7 12. Rc1 Bf5 13. Kf2 Rg8 14. e3 a5 15. Be2 Be7 16. Rhf1 Be4 17. h5 Ngf8 18. Nxe4 dxe4 19. Nh4 c5 20. d5 Ne5 21. Nf5 Nfd7 22. Bxe5 fxe5 23. Rc4 Rg5 24. Kg1 b5 25. Rxe4 c4 26. a4 Rb8 27. Nxe7 Kxe7 28. axb5 Rxb5 29. b3 Rxb3 30. Bxc4 Rb2 31. Rf2 Rb1+ 32. Rf1 Rxf1+ 33. Kxf1 Kd6 34. Ke2 Rxg2+ 35. Kf3 Rb2 36. Rh4 Rb4 37. Ke2 Nb6 38. Rg4 Nxc4 39. Rg7 Rb3 40. Rxh7 Rxe3+ 41. Kf2 Kxd5 42. Rxf7 Rh3 43. Rh7 a4 44. Kg2 Rd3 45. h6 a3 46. Ra7 Rd2+ 47. Kg3 a2 48. h7 Rd3+ 49. Kf2 Rh3 50. Rxa2 Rxh7 51. Ra4 e4 52. Ke2 Rh2+ 53. Ke1 Rh1+ 54. Ke2 e3 55. Ra6 Rh2+ 56. Ke1 e2 57. Ra8 Ne5 58. Rd8+ Kc4 59. Rh8 Nf3# |
| ECO A00 in 2007 play it! deepfritz defeats white's deepfritz by checkmate in 68 moves | 1. h4 e5 2. f4 exf4 3. d4 Qf6 4. a3 Nc6 5. d5 Nd4 6. c3 Nb5 7. Qd3 Nd6 8. Nf3 Ne7 9. c4 b6 10. Nc3 Ba6 11. Ne4 Nxe4 12. Qxe4 O-O-O 13. d6 Bb7 14. Qxf4 cxd6 15. Qxf6 gxf6 16. Bf4 Ng6 17. Bh2 Ne5 18. b3 Re8 19. Nd4 d5 20. cxd5 Bxd5 21. e3 Rg8 22. Bf4 Kb7 23. Kf2 Ng4+ 24. Ke2 Bc5 25. Rd1 Ne5 26. Kf2 Bxa3 27. Ra1 Bb2 28. Rb1 Bxd4 29. Bd3 Nxd3+ 30. Ke2 Nxf4+ 31. Kd1 Rxe3 32. Rh2 Rd3+ 33. Ke1 Bxg2 34. Ra1 Re8# |
| ECO A00 in 2007 play it! deepfritz defeats white's deepfritz by checkmate in 48 moves | 1. h4 e5 2. f4 exf4 3. d4 Qf6 4. a3 d5 5. Nc3 c6 6. Nf3 Bd6 7. b3 Bg4 8. Qd3 Ne7 9. b4 g6 10. Kd1 O-O 11. b5 Bf5 12. Qd2 c5 13. h5 g5 14. e3 g4 15. e4 dxe4 16. dxc5 Bxc5 17. Na2 Qxa1 18. Bc4 e3 19. Qa5 gxf3 20. Nb4 e2+ 21. Bxe2 fxe2+ 22. Kxe2 Bg4+ 23. Kd2 Be3+ 24. Ke1 Qxc1# |
| ECO A00 in 2007 play it! deepfritz defeats white's deepfritz by checkmate in 120 moves | 1. h4 e5 2. f4 exf4 3. d4 Qf6 4. a3 Nc6 5. d5 Nd4 6. Nc3 g6 7. Nf3 Nxf3+ 8. gxf3 Bg7 9. Ne4 Qb6 10. Bxf4 f5 11. Nd2 Qxb2 12. Rb1 Qd4 13. e4 Ne7 14. Bxc7 Bh6 15. Bd3 fxe4 16. fxe4 O-O 17. Rf1 Rxf1+ 18. Kxf1 d6 19. Kg2 Kg7 20. Nf3 Qf6 21. e5 Qf4 22. exd6 Nxd5 23. Qe1 Qg4+ 24. Qg3 Qxg3+ 25. Kxg3 Bf4+ 26. Kg2 Nxc7 27. dxc7 Bxc7 28. Be4 Rb8 29. Bd5 Bd6 30. Rb3 b6 31. Nd4 Bg4 32. Be6 Bxe6 33. Nxe6+ Kf6 34. Ng5 Rc8 35. Nxh7+ Kg7 36. Rd3 Rxc2+ 37. Kf3 Ra2 38. Rxd6 Rxa3+ 39. Kf4 Kxh7 40. Rd4 Kh6 41. Rd7 Ra4+ 42. Ke5 Kh5 43. Rh7+ Kg4 44. Kd5 a5 45. Rg7 Kxh4 46. Rxg6 Rb4 47. Rg7 a4 48. Ra7 Kg3 49. Rc7 Kf3 50. Rc4 Rxc4 51. Kxc4 Ke4 52. Kb4 Kd4 53. Kb5 a3 54. Kxb6 Kd5 55. Kc7 a2 56. Kb6 a1=Q 57. Kb7 Qa5 58. Kc8 Kc6 59. Kb8 Qb6+ 60. Kc8 Qc7# |
| ECO A00 in 2007 play it! deepfritz defeats white's deepfritz by checkmate in 62 moves | 1. h4 e5 2. f4 exf4 3. d4 Qf6 4. a3 Nc6 5. d5 Nd4 6. c3 Nb5 7. Qa4 Bxa3 8. Nxa3 Nxa3 9. Qxa3 Ne7 10. c4 b5 11. Qc5 bxc4 12. Qxc4 O-O 13. Nf3 g6 14. Bxf4 d6 15. Rd1 Re8 16. g3 Qxb2 17. Qxc7 Bg4 18. Ng1 Qb4+ 19. Bd2 Qe4 20. Qc5 dxc5 21. Rh2 Nxd5 22. Rc1 Rad8 23. Bg5 Rd6 24. Rf2 Ne3 25. Rxf7 Kxf7 26. Bf4 Rd5 27. h5 Bxh5 28. Kf2 Ng4+ 29. Ke1 Qb4+ 30. Rc3 Qxc3+ 31. Bd2 Qxd2# |
| ECO A00 in 2007 play it! deepfritz defeats white's deepfritz by checkmate in 78 moves | 1. h4 e5 2. f4 exf4 3. d4 Qf6 4. a3 d5 5. Nc3 c6 6. Nf3 Ne7 7. Bd2 Be6 8. Ne5 Ng6 9. Nf3 Nd7 10. h5 Ne7 11. Rh3 Bxh3 12. gxh3 O-O-O 13. h4 g6 14. Bh3 Re8 15. Bg4 Bg7 16. Qc1 Nf5 17. Bxf5 Qxf5 18. Bxf4 Qxh5 19. Kd1 Qg4 20. Qd2 Bf6 21. Nxd5 Bxh4 22. Qc3 Qg2 23. Ne3 Qh1+ 24. Kd2 Qxa1 25. Nxh4 Re4 26. Nhg2 Rhe8 27. d5 c5 28. Qa5 Rd4+ 29. Kc3 Rxf4 30. Qxa7 Rb4 31. Qa8+ Nb8 32. Qa7 Qxb2+ 33. Kd2 Qd4+ 34. Ke1 Rb1+ 35. Kf2 Rxe3 36. Nxe3 Qf4+ 37. Kg2 Qxe3 38. d6 Rg1+ 39. Kh2 Qg3# |
| ECO A00 in 2007 play it! deepfritz defeats white's deepfritz by checkmate in 94 moves | 1. h4 e5 2. f4 exf4 3. d4 Qf6 4. a3 g6 5. Nc3 Ne7 6. Qd2 Nbc6 7. Nb5 Nd5 8. c4 Nxd4 9. Qxd4 Qxd4 10. Nxd4 Ne3 11. Bxe3 fxe3 12. Rh3 Bh6 13. Nb5 Kd8 14. Rf3 f5 15. O-O-O d6 16. Nd4 f4 17. Nh3 Bg4 18. Nxf4 Bxf3 19. gxf3 Bxf4 20. Ne6+ Kd7 21. Nxf4 Rhf8 22. Nd5 Kc6 23. Rd3 Rae8 24. Kc2 Re5 25. Nxe3 Rf4 26. b3 Rxh4 27. Nd5 Rh1 28. Rd1 Rh2 29. Kd3 Rf2 30. f4 Rh5 31. e3 Rh1 32. Be2 Rhh2 33. Bg4 Rhg2 34. Be6 h6 35. b4 g5 36. Ne7+ Kb6 37. Nc8+ Ka6 38. Bd5 Rg4 39. fxg5 hxg5 40. b5+ Ka5 41. Bxb7 Ra2 42. e4 Rxa3+ 43. Kd4 Rf4 44. Rd2 g4 45. Ne7 g3 46. Nd5 Rf2 47. Ne3 Rxd2# |
| ECO A00 in 2007 play it! deepfritz defeats white's deepfritz by checkmate in 90 moves | 1. h4 e5 2. f4 exf4 3. d4 Qf6 4. a3 g6 5. Nc3 Ne7 6. Qd2 Nbc6 7. Nb5 Nd5 8. c4 Nxd4 9. Qxd4 Qxd4 10. Nxd4 Ne3 11. Bxe3 fxe3 12. Nb5 Kd8 13. O-O-O d6 14. g3 Bg7 15. Nxd6 cxd6 16. Rxd6+ Kc7 17. Rd5 Be6 18. Rc5+ Kd6 19. Rh3 Kxc5 20. g4 Bxg4 21. Rg3 Be6 22. Bg2 Be5 23. Rg5 f6 24. Rxe5+ fxe5 25. b3 Raf8 26. Nf3 b5 27. Ng5 Bf5 28. cxb5 Kxb5 29. Bd5 Kc5 30. Bc4 Rf6 31. Kb2 Rd6 32. Nf3 Rd2+ 33. Ka1 Rhd8 34. Ba6 Rc2 35. Bd3 Bxd3 36. exd3 e2 37. b4+ Kd5 38. Kb1 Rd2 39. Nxd2 e1=Q+ 40. Kc2 Rc8+ 41. Nc4 e4 42. b5 exd3+ 43. Kb3 Rxc4 44. Kb2 Qd2+ 45. Kb1 Rc1# |
| ECO A00 in 2007 play it! deepfritz defeats white's deepfritz by checkmate in 60 moves | 1. h4 e5 2. f4 exf4 3. d4 Qf6 4. a3 d5 5. Nc3 c6 6. Nf3 Bd6 7. b3 Bg4 8. Qd3 Ne7 9. Bb2 Qe6 10. Bc1 h6 11. Rh2 O-O 12. Rb1 g6 13. Rh1 Nf5 14. Bd2 Qf6 15. b4 Re8 16. Rd1 a5 17. bxa5 Rxa5 18. Rb1 Rxa3 19. Rxb7 Bxf3 20. gxf3 Ra1+ 21. Nb1 Re7 22. Qb3 Rxb7 23. Qxb7 Nxd4 24. Bc3 Rxb1+ 25. Qxb1 Nxf3+ 26. exf3 Qxc3+ 27. Kf2 Qe3+ 28. Kg2 Qd2+ 29. Be2 Qxe2+ 30. Kg1 Bc5# |
| ECO A00 in 2007 play it! deepfritz defeats white's deepfritz in 134 moves | 1. h4 e5 2. f4 exf4 3. d4 Qf6 4. a3 d5 5. Nc3 c6 6. Nf3 Ne7 7. Qd2 Bf5 8. Qxf4 b6 9. g4 Bxc2 10. Qxf6 gxf6 11. Bf4 Ng6 12. Bg3 Bh6 13. g5 fxg5 14. hxg5 Bg7 15. Bd6 h6 16. Rc1 Be4 17. b3 Bxf3 18. exf3 Bxd4 19. Rxh6 Rxh6 20. gxh6 Be3 21. Rc2 Bxh6 22. Nxd5 cxd5 23. Rc8+ Kd7 24. Rxb8 Rxb8 25. Bxb8 a5 26. Bb5+ Kc8 27. Bg3 Bf4 28. Bf2 Kc7 29. Ke2 Bc1 30. a4 Ne5 31. Bd4 Bf4 32. Bf2 f6 33. Be8 Nc6 34. Kd3 Nb4+ 35. Ke2 Be5 36. Bg6 Kc6 37. Be8+ Kb7 38. Bb5 Nc2 39. Kd3 Na1 40. b4 axb4 41. Be3 b3 42. Kd2 d4 43. Bh6 b2 44. Bd3 Nb3+ 45. Kc2 Nc5 46. Bb5 d3+ 47. Kb1 Bc3 48. Bf4 f5 49. Be3 d2 50. Bxd2 Bxd2 51. Kxb2 Bb4 52. Kc2 Kc7 53. Bd3 f4 54. Bc4 Kd6 55. Bb5 Ke5 56. Be8 Kd4 57. Kd1 Ke3 58. Bc6 Ne6 59. Bb7 Nd4 60. Be4 Nxf3 61. Bxf3 Kxf3 62. Kc2 Ke2 63. Kb3 Ba5 64. Kc2 f3 65. Kb3 f2 66. Kc4 f1=Q 67. Kd5 Qf5+ |
| ECO A00 in 2007 play it! deepfritz defeats white's deepfritz by checkmate in 96 moves | 1. h4 e5 2. f4 exf4 3. d4 Qf6 4. a3 Nc6 5. d5 Nd4 6. Nc3 g6 7. Nf3 Nxf3+ 8. gxf3 Bg7 9. Ne4 Qa6 10. Bxf4 f5 11. Nd2 Bxb2 12. Rb1 Bxa3 13. Bxc7 Qf6 14. Rb3 Bc5 15. Nc4 d6 16. h5 g5 17. e3 Ne7 18. f4 gxf4 19. exf4 Nxd5 20. Qxd5 Qe7+ 21. Ne5 Qxc7 22. Bd3 dxe5 23. fxe5 a6 24. Kd1 Rf8 25. Rb6 Qxb6 26. Rf1 Be6 27. Qf3 O-O-O 28. Ke2 Qb4 29. Qf4 Qxf4 30. Rxf4 Rd5 31. Bc4 Rxe5+ 32. Kf3 Re3+ 33. Kg2 Rg8+ 34. Kf1 Bxc4+ 35. Rxc4 Re5 36. Rxc5+ Rxc5 37. Ke2 Rxc2+ 38. Ke3 Rh2 39. Kd3 Rxh5 40. Kd4 Kd7 41. Kd5 b5 42. Ke5 Kc6 43. Kd4 Rg4+ 44. Ke3 Rh3+ 45. Kf2 Kd5 46. Ke1 Rg2 47. Kf1 Rhh2 48. Ke1 Rg1# |
| ECO A00 in 2007 play it! deepfritz defeats white's deepfritz by checkmate in 116 moves | 1. h4 e5 2. f4 exf4 3. d4 Qf6 4. a3 d5 5. Nc3 c6 6. Nf3 Bd6 7. b4 Ne7 8. b5 Qg6 9. Ng5 h6 10. Nxd5 Nxd5 11. c4 Ne3 12. Bxe3 fxe3 13. Qb3 hxg5 14. Qxe3+ Be7 15. g3 cxb5 16. cxb5 gxh4 17. gxh4 Be6 18. Qf4 Qh5 19. a4 Bxh4+ 20. Rxh4 Qxh4+ 21. Qxh4 Rxh4 22. Bg2 Nd7 23. Rd1 Rb8 24. Rd3 Rh2 25. Rg3 g6 26. d5 Rxg2 27. Rxg2 Bxd5 28. Rg5 Bb3 29. a5 Rc8 30. Kf2 Rc2 31. Rg4 Bc4 32. Re4+ Kf8 33. b6 axb6 34. Rd4 Rxe2+ 35. Kg3 Bb5 36. Rb4 Re5 37. axb6 f6 38. Kg4 Nxb6 39. Rb3 Nd5 40. Kh4 Bc6 41. Kg4 b5 42. Kf3 b4 43. Rd3 Ne3+ 44. Kg3 Kf7 45. Rb3 Nf5+ 46. Kf2 Rb5 47. Ke1 Ke6 48. Kd2 Ke5 49. Rb2 b3 50. Kc3 Be4 51. Kc4 Nd4 52. Kc3 Rc5+ 53. Kb4 Rc2 54. Ka5 Rxb2 55. Kb4 Rc2 56. Ka5 b2 57. Kb6 b1=Q+ 58. Ka7 Qb7# |
| ECO A00 in 2007 play it! deepfritz defeats white's deepfritz by checkmate in 60 moves | 1. h4 e5 2. f4 exf4 3. d4 Qf6 4. a3 d5 5. Nc3 c6 6. Nf3 Bd6 7. b3 Bg4 8. Qd3 Ne7 9. Bb2 Bf5 10. Qd2 O-O 11. O-O-O Nd7 12. Re1 g6 13. h5 Bg4 14. hxg6 fxg6 15. Kb1 Rae8 16. Rh2 b6 17. Ka2 a6 18. Qd3 b5 19. b4 a5 20. bxa5 Nf5 21. Nd1 Ne3 22. Nc3 Bf5 23. Qd2 Bxc2 24. a6 Ra8 25. a4 b4 26. Nd1 Rxa6 27. Ne5 Rxa4+ 28. Ba3 Rxa3+ 29. Kb2 Rb3+ 30. Kc1 Rb1# |
| ECO A00 in 2007 play it! deepfritz defeats white's deepfritz by checkmate in 86 moves | 1. h4 e5 2. f4 exf4 3. d4 Qf6 4. a3 Nc6 5. d5 Nd4 6. c3 Nb5 7. Qd3 Nd6 8. Nd2 Ne7 9. Ngf3 g6 10. Ne4 Nxe4 11. Qxe4 Qb6 12. Qxf4 f6 13. h5 Nxd5 14. Qe4+ Ne7 15. hxg6 d5 16. Qd3 Bf5 17. Qd1 Bxg6 18. Qa4+ c6 19. Qf4 c5 20. b4 cxb4 21. axb4 Be4 22. Be3 Qc6 23. Bd4 Bg7 24. Rxa7 Rxa7 25. Qe5 Ra1+ 26. Kf2 fxe5 27. Bxe5 Bxe5 28. Nxe5 Qxc3 29. Nf3 O-O 30. b5 Qe1+ 31. Kg1 Qxf1+ 32. Kh2 Qxh1+ 33. Kg3 Nf5+ 34. Kg4 Qxg2+ 35. Kf4 Qg4+ 36. Kxg4 Ra2 37. Ng1 Nd4 38. Nh3 Nxe2 39. Ng5 Rf4+ 40. Kh3 Ra3+ 41. Nf3 Raxf3+ 42. Kg2 Re3+ 43. Kh2 Rf2# |
| ECO A00 in 2007 play it! deepfritz defeats white's deepfritz by checkmate in 78 moves | 1. h4 e5 2. f4 exf4 3. d4 Qf6 4. a3 d5 5. Nc3 c6 6. Nf3 Ne7 7. Qd2 Bf5 8. Qxf4 Nd7 9. Qc7 Bxc2 10. Qxb7 Rb8 11. Qc7 Rc8 12. Qxa7 Qd6 13. Be3 g6 14. Rc1 Bf5 15. h5 Qg3+ 16. Bf2 Qf4 17. e3 Qb8 18. Qxb8 Rxb8 19. b4 Ra8 20. hxg6 Nxg6 21. Rh5 Bg4 22. Rg5 h5 23. Nb1 Be7 24. Rxg6 fxg6 25. Rxc6 Rf8 26. Bd3 g5 27. Nc3 Rxa3 28. Rc4 Ra1+ 29. Ke2 dxc4 30. Bxc4 Bxb4 31. Na2 Ba5 32. e4 Rb1 33. Bd5 Rb2+ 34. Kf1 Bxf3 35. Bh4 Bxg2+ 36. Kg1 Rf1+ 37. Kh2 Bxe4+ 38. Kh3 Rf3+ 39. Bg3 Bf5# |
| ECO A00 in 2007 play it! deepfritz defeats white's deepfritz by checkmate in 106 moves | 1. h4 e5 2. f4 exf4 3. d4 Qf6 4. a3 d5 5. Nc3 c6 6. Nf3 Ne7 7. Qd2 Bf5 8. Qxf4 Bxc2 9. Qxf6 gxf6 10. Bd2 Nd7 11. Rc1 Bf5 12. h5 O-O-O 13. Nb5 Be6 14. Bf4 Nb6 15. Nd6+ Rxd6 16. Bxd6 Nc4 17. Bc5 Nxb2 18. Bxa7 Nf5 19. Bc5 Bxc5 20. Rxc5 Nc4 21. a4 Ng3 22. Rg1 Ne4 23. Rxc4 dxc4 24. e3 Kc7 25. Nd2 Nxd2 26. Kxd2 Ra8 27. e4 Rxa4 28. Rh1 Kd6 29. Kc3 Ra3+ 30. Kd2 c3+ 31. Kd3 f5 32. e5+ Kd5 33. Be2 c2+ 34. Kxc2 Kxd4 35. Rb1 Ra2+ 36. Rb2 Rxb2+ 37. Kxb2 Kxe5 38. Kc3 b5 39. Kb4 Kd4 40. Bf3 Bd7 41. Kb3 c5 42. g3 c4+ 43. Kc2 b4 44. Bd1 b3+ 45. Kb2 Ba4 46. Bf3 c3+ 47. Kb1 Bb5 48. Bg4 Bd3+ 49. Ka1 fxg4 50. h6 b2+ 51. Ka2 b1=Q+ 52. Ka3 Qb5 53. Ka2 Qa4# |
| ECO A00 in 2007 play it! deepfritz defeats white's deepfritz by checkmate in 56 moves | 1. h4 e5 2. f4 exf4 3. d4 Qf6 4. a3 Nc6 5. d5 Nce7 6. Nf3 b6 7. Nc3 Bb7 8. Qd3 g6 9. Qc4 Bh6 10. Qxc7 Bxd5 11. Ne5 Rd8 12. h5 Bg5 13. Qxd8+ Kxd8 14. Nf3 Kc8 15. Nxd5 Nxd5 16. hxg6 fxg6 17. g4 Ne3 18. Bxe3 fxe3 19. Rb1 Qf4 20. Bh3 Bf6 21. Kd1 Qc4 22. Rh2 Ne7 23. Kc1 h6 24. c3 Rf8 25. g5 hxg5 26. Rg2 Rh8 27. Rg4 Qxe2 28. Nxg5 Qd2# |