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| ECO C77-10588 play it pgn download biff vs deepblue white wins by checkmate in 73 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. O-O Be7 7. Qe2 O-O 8. e5 Ne8 9. c3 dxc3 10. Nxc3 b5 11. Bb3 Kh8 12. Be3 d6 13. Bd5 Bd7 14. Rac1 Nxe5 15. Bxa8 Qxa8 16. Nxe5 dxe5 17. Rfd1 Be6 18. b3 Ba3 19. Ra1 Qc6 20. Nb1 Bb4 21. a3 Be7 22. Nd2 Qc3 23. Rdc1 Bc5 24. Rxc3 Bd6 25. Ne4 Nf6 26. Nxf6 gxf6 27. Qf3 f5 28. Qc6 b4 29. axb4 Bxb4 30. Rxa6 f4 31. Bc5 Bxc5 32. Qxc5 Kg8 33. Qxe5 Bc8 34. Qxf4 Bh3 35. Rg3+ Bg4 36. Rxg4+ Kh8 37. Qf6# |
| ECO C77-10587 play it pgn download biff vs deepblue white wins by checkmate in 73 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. O-O Be7 7. Qe2 O-O 8. e5 Ne8 9. c3 dxc3 10. Nxc3 b5 11. Bb3 Kh8 12. Be3 d6 13. Bd5 Bd7 14. Rac1 Nxe5 15. Bxa8 Qxa8 16. Nxe5 dxe5 17. Rfd1 Be6 18. b3 Ba3 19. Ra1 Qc6 20. Nb1 Bb4 21. a3 Be7 22. Nd2 Qc3 23. Rdc1 Bc5 24. Rxc3 Bd6 25. Ne4 Nf6 26. Nxf6 gxf6 27. Qf3 f5 28. Qc6 b4 29. axb4 Bxb4 30. Rxa6 f4 31. Bc5 Bxc5 32. Qxc5 Kg8 33. Qxe5 Bc8 34. Qxf4 Bh3 35. Rg3+ Bg4 36. Rxg4+ Kh8 37. Qf6# |
| ECO C77-10586 play it pgn download biff vs deepblue white wins by checkmate in 75 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. O-O Be7 7. Qe2 O-O 8. e5 Ne8 9. c3 dxc3 10. Nxc3 Kh8 11. Be3 d6 12. exd6 Qxd6 13. Rad1 Qg6 14. Bc2 f5 15. Rfe1 b5 16. Nd5 Bd6 17. Bf4 Rb8 18. Bxd6 Nxd6 19. Nxc7 Nc4 20. b3 Nb6 21. g3 Qf6 22. Ne8 Qc3 23. Nd6 Qc5 24. Nxc8 Rfxc8 25. Bb1 h6 26. Qe6 Rc7 27. Bxf5 Rf8 28. Be4 Rf6 29. Qe8+ Rf8 30. Qg6 Kg8 31. Rc1 Qb4 32. Qh7+ Kf7 33. Bxc6 Kf6 34. Ne5 Rg8 35. Qg6+ Ke7 36. Nf7+ Qxe1+ 37. Rxe1+ Kf8 38. Re8# |
| ECO C77-10585 play it pgn download biff vs deepblue white wins by checkmate in 119 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. O-O Be7 7. Qe2 O-O 8. e5 Ne8 9. c3 dxc3 10. Nxc3 Kh8 11. Be3 d5 12. Rad1 Nd6 13. exd6 Bxd6 14. Nxd5 Rb8 15. Qc2 Ne5 16. Nxe5 Bxe5 17. Bf4 Bxf4 18. Nxf4 Qf6 19. Qxc7 Bf5 20. Bb3 b5 21. Rd6 Qe5 22. Rd7 Qxc7 23. Rxc7 Kg8 24. Ra7 Rbd8 25. Re1 Rd7 26. Rxa6 Rd2 27. Ra7 Bc2 28. Bxc2 Rxc2 29. Nd3 Rd2 30. Rd7 g6 31. a3 h6 32. g3 Rc8 33. Ree7 Rcc2 34. Kg2 Rd1 35. Kf3 Rcd2 36. Ne5 Rxd7 37. Rxd7 Rxd7 38. Nxd7 f5 39. Nf6+ Kf7 40. Nd5 g5 41. Ke3 h5 42. f4 Kg6 43. Nc7 h4 44. gxh4 gxh4 45. Nxb5 Kf7 46. Nd4 h3 47. b4 Ke7 48. Nxf5+ Kd7 49. Nd4 Kd8 50. b5 Kd7 51. f5 Ke8 52. b6 Kd8 53. f6 Kd7 54. f7 Ke7 55. b7 Kxf7 56. b8=Q Kg7 57. Qe8 Kh6 58. Qe6+ Kh5 59. Kf4 Kh4 60. Qg4# |
| ECO C77-10584 play it pgn download biff vs deepblue white wins by checkmate in 105 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. O-O Be7 7. Qe2 O-O 8. e5 Ne8 9. c3 dxc3 10. Nxc3 Kh8 11. Be3 d5 12. exd6 Qxd6 13. Rfd1 Qg6 14. Nd5 Bd6 15. Bxc6 bxc6 16. Nf4 Qf6 17. g3 Bg4 18. Rac1 Bxf3 19. Qxf3 Qxb2 20. a4 Qb3 21. Qxc6 Rb8 22. Qxa6 Rb4 23. a5 Nf6 24. Qd3 Ng4 25. Nd5 Qxd3 26. Rxd3 Ra4 27. Nxc7 Bxc7 28. Rxc7 Rxa5 29. Bd4 Ra2 30. h3 Nh6 31. Be3 Ra1+ 32. Kg2 Ra2 33. Rdd7 Kg8 34. g4 Rb2 35. Bc5 Rb4 36. Bxb4 Re8 37. Bd2 Rf8 38. Kg3 Kh8 39. Bxh6 gxh6 40. Rxf7 Rxf7 41. Rxf7 Kg8 42. Re7 Kf8 43. Rxh7 Kg8 44. Rxh6 Kf7 45. g5 Kg7 46. f4 Kg8 47. f5 Kf7 48. Rh7+ Kf8 49. f6 Ke8 50. Re7+ Kd8 51. Kf4 Kc8 52. f7 Kd8 53. f8=Q# |
| ECO C77-10583 play it pgn download biff vs deepblue white wins by checkmate in 107 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. O-O Be7 7. Qe2 O-O 8. e5 Ne8 9. c3 dxc3 10. Nxc3 Kh8 11. Be3 d5 12. Rad1 Nd6 13. exd6 Bxd6 14. Rxd5 b5 15. Bb6 cxb6 16. Rfd1 Bf4 17. Rxd8 Nxd8 18. Qe4 Bb7 19. Qxf4 bxa4 20. Qd6 Re8 21. Qxb6 Bxf3 22. gxf3 a3 23. bxa3 Ne6 24. Ne4 Kg8 25. Qb7 Reb8 26. Qc6 Rc8 27. Qa4 Rc7 28. Rb1 a5 29. Kf1 h6 30. Re1 Kf8 31. Nd6 Kg8 32. Nxf7 Kxf7 33. Rxe6 Kxe6 34. Qe4+ Kf6 35. Qxa8 Rc2 36. Qxa5 g5 37. Qd8+ Kf7 38. Qd7+ Kf6 39. Qd6+ Kg7 40. Qe5+ Kg8 41. Qf6 Rc5 42. Qe6+ Kh8 43. Qxh6+ Kg8 44. Qe6+ Kf8 45. Qd6+ Kg7 46. Qxc5 Kg6 47. a4 Kf6 48. a5 Ke6 49. a6 Kd7 50. a7 Ke6 51. Qb6+ Kf7 52. a8=Q g4 53. Qaa7+ Kg8 54. Qd8# |
| ECO C77-10582 play it pgn download biff vs deepblue black wins by checkmate in 108 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. O-O Be7 7. Qe2 O-O 8. e5 Ne8 9. c3 dxc3 10. Nxc3 Kh8 11. Be3 d6 12. exd6 Qxd6 13. Rfd1 Qg6 14. Nd5 Bd6 15. Kh1 Bg4 16. Bb5 axb5 17. h3 Qh5 18. Nf4 Bxf3 19. Qxf3 Qxf3 20. gxf3 Ne5 21. Kg2 Ng6 22. Nxg6+ fxg6 23. Rd5 c6 24. Rd3 h6 25. a3 g5 26. Rad1 b4 27. Rxd6 Nxd6 28. Rxd6 bxa3 29. bxa3 Rxa3 30. Rd7 Rb3 31. Bd4 Rg8 32. Be3 Kh7 33. f4 gxf4 34. Bxf4 Kg6 35. Be5 b5 36. Rc7 Kf5 37. Ba1 Ra3 38. Bb2 Ra2 39. Bc3 Ra6 40. Rxg7 Rxg7+ 41. Bxg7 b4 42. Bxh6 b3 43. Bg7 Ra2 44. Kg3 b2 45. Bxb2 Rxb2 46. Kg2 c5 47. h4 c4 48. h5 c3 49. h6 c2 50. h7 Rb8 51. h8=R Rxh8 52. Kf3 c1=Q 53. Kg3 Qf1 54. f4 Rh3# |
| ECO C77-10581 play it pgn download biff vs deepblue black wins in 112 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. O-O Be7 7. Qe2 O-O 8. e5 Ne8 9. c3 dxc3 10. Nxc3 Kh8 11. Be3 d5 12. exd6 Qxd6 13. Rad1 Qe6 14. Rd5 b5 15. Bb3 Qg4 16. h3 Qg6 17. Bc2 f5 18. Bc5 Be6 19. Bxe7 Nxe7 20. Ne5 Qh6 21. Rd4 c5 22. Rdd1 b4 23. Na4 Bxa2 24. Rd7 Nc6 25. Nxc5 Nxe5 26. Qxe5 Qf6 27. Re1 a5 28. g3 Qxe5 29. Rxe5 f4 30. gxf4 Nf6 31. Rd6 Bf7 32. Bd3 Rad8 33. Rxd8 Rxd8 34. Re7 Bd5 35. Kh2 Nh5 36. f5 Nf6 37. Kg3 Bc6 38. Rc7 Be8 39. b3 a4 40. bxa4 b3 41. a5 b2 42. Bc2 Rd2 43. Bb1 Rd1 44. Kf4 Nd5+ 45. Ke4 Nxc7 46. Bc2 Nb5 47. Ne6 Rd2 48. Bb1 Nc3+ 49. Ke3 Nxb1 50. a6 Na3 51. Kxd2 b1=Q 52. f6 Qc2+ 53. Ke3 Qc3+ 54. Kf4 Qxf6+ 55. Ke3 Qxe6+ 56. Kf4 Qc4+ |
| ECO C77-10580 play it pgn download biff vs deepblue white wins by checkmate in 67 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. O-O Be7 7. Qe2 O-O 8. e5 Ne8 9. c3 dxc3 10. Nxc3 Kh8 11. Be3 d5 12. Rad1 Qd6 13. exd6 Bxd6 14. Nxd5 Bg4 15. Bxc6 bxc6 16. Nc3 Nf6 17. h3 Bh5 18. g4 Bg6 19. Nh4 Rab8 20. Nxg6+ fxg6 21. b3 Bb4 22. Qc4 Bxc3 23. Qxc3 Nd5 24. Qxc6 Nxe3 25. fxe3 Rfe8 26. Qxc7 Rg8 27. Rd7 Rbc8 28. Qb6 Rce8 29. Rff7 a5 30. Qd4 Re5 31. Qxe5 h5 32. Rxg7 Rf8 33. Rxg6+ Rf6 34. Qxf6# |
| ECO C77-10579 play it pgn download biff vs deepblue white wins by checkmate in 35 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. O-O Be7 7. Qe2 O-O 8. e5 Ne8 9. c3 dxc3 10. Nxc3 Kh8 11. Be3 d5 12. exd6 Qxd6 13. Rad1 Qe6 14. Nd5 Bd6 15. Rfe1 b5 16. Bc2 h6 17. Qd3 Qe7 18. Qh7# |
| ECO C77-10578 play it pgn download biff vs deepblue white wins by checkmate in 59 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. O-O Be7 7. Qe2 O-O 8. e5 Ne8 9. c3 dxc3 10. Nxc3 b5 11. Bb3 Kh8 12. Be3 Bb7 13. Rad1 Rb8 14. Bc2 f5 15. g3 g5 16. e6 g4 17. Nd4 Ng7 18. Nxf5 Nxf5 19. Rxd7 Bc5 20. Rxd8 Rfxd8 21. Bxc5 Nfd4 22. Bxd4+ Rxd4 23. Be4 Rc4 24. Bd5 Rxc3 25. bxc3 Rg8 26. e7 Nxe7 27. Bxg8 Kxg8 28. Qxe7 c6 29. Rd1 Bc8 30. Rd8# |
| ECO C77-10577 play it pgn download biff vs deepblue black wins by checkmate in 110 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. O-O Be7 7. Qe2 O-O 8. e5 Ne8 9. c3 dxc3 10. Nxc3 Kh8 11. Be3 d6 12. exd6 Qxd6 13. Rfd1 Qg6 14. Nd5 Bd6 15. Kh1 Bg4 16. Bxc6 bxc6 17. Nf4 Qf6 18. Ne1 Bxe2 19. Nxe2 Qxb2 20. Nd4 c5 21. Nd3 Qb7 22. Nf3 c4 23. Nde5 Bxe5 24. Nxe5 Nd6 25. Rac1 Qb5 26. Bd4 f6 27. Nf3 Rad8 28. Kg1 Nf5 29. Bc3 Qa4 30. Re1 Qxa2 31. Ra1 Qb3 32. Ba5 Rd7 33. Rab1 Qd3 34. Rbc1 Nd4 35. Nxd4 Qxd4 36. Bc3 Qg4 37. Kf1 Qf4 38. h3 Qh2 39. f3 Rd5 40. Rc2 Rg5 41. Bd4 c5 42. Bg1 Qg3 43. Ree2 Rd8 44. Rcd2 Rb8 45. Rd1 c3 46. Rc1 h5 47. Be3 Re5 48. Bf2 Qf4 49. Rxe5 fxe5 50. Rxc3 Qd2 51. Rb3 Rxb3 52. Be1 Rb1 53. Kg1 Rxe1+ 54. Kh2 Qf4+ 55. g3 Qd2# |
| ECO C77-10576 play it pgn download biff vs deepblue black wins in 86 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. O-O Be7 7. Qe2 O-O 8. e5 Ne8 9. c3 dxc3 10. Nxc3 Kh8 11. Be3 d5 12. exd6 Qxd6 13. Rad1 Qg6 14. Nd5 Bd6 15. Bxc6 bxc6 16. Nf4 Bxf4 17. Bxf4 Be6 18. b3 Qf5 19. Rd4 c5 20. Ra4 c4 21. Qe3 cxb3 22. axb3 Bd7 23. Rd4 Bb5 24. Rc1 Qf6 25. Be5 Qg6 26. h3 f6 27. Bxc7 Nxc7 28. Rxc7 Rac8 29. Rxc8 Rxc8 30. Rg4 Qd3 31. Qxd3 Bxd3 32. Rd4 Be2 33. Nd2 Kg8 34. Nc4 Bxc4 35. Rxc4 Rxc4 36. bxc4 a5 37. c5 Kf7 38. f4 a4 39. c6 Ke7 40. g4 a3 41. Kf2 a2 42. f5 a1=Q 43. Ke3 Qc1+ |
| ECO C77-10575 play it pgn download biff vs deepblue white wins by checkmate in 107 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. O-O Be7 7. Qe2 O-O 8. e5 Ne8 9. c3 dxc3 10. Nxc3 Kh8 11. Be3 d5 12. Rad1 Nxe5 13. Nxe5 Nf6 14. Bc2 Be6 15. Bg5 h6 16. Bxf6 Bxf6 17. Nxd5 Bxd5 18. Qd3 g6 19. Nxg6+ fxg6 20. Qxg6 Rf7 21. Be4 Bg5 22. Bxd5 Rg7 23. Qc2 Qc8 24. f4 Bh4 25. f5 Bf6 26. Rf3 c5 27. Rh3 Rh7 28. b3 Qc7 29. Qc1 h5 30. Kh1 Rd8 31. Bf3 Rxd1+ 32. Qxd1 h4 33. Bd5 Qe5 34. Be6 Qb2 35. a4 b6 36. Rd3 Bd8 37. Rxd8+ Kg7 38. Rd7+ Kf6 39. Rxh7 Qd4 40. Rf7+ Ke5 41. Qe1+ Qe4 42. Qxe4+ Kxe4 43. Ra7 Ke5 44. Rxa6 c4 45. bxc4 Kd6 46. Rxb6+ Ke7 47. a5 Kf6 48. a6 Ke5 49. a7 Kf4 50. f6 Ke5 51. a8=Q Kxf6 52. Qh8+ Kg5 53. Qe5+ Kg6 54. Bg8# |
| ECO C77-10574 play it pgn download biff vs deepblue black wins in 116 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. O-O Be7 7. Qe2 O-O 8. e5 Ne8 9. c3 dxc3 10. Nxc3 Kh8 11. Be3 d5 12. exd6 Qxd6 13. Rfd1 Qg6 14. Nd5 Bd6 15. Bxc6 bxc6 16. Nf4 Qf6 17. g3 Bg4 18. Bb6 cxb6 19. Rd3 Bxf4 20. gxf4 Qxf4 21. Qe3 Qxe3 22. Rxe3 c5 23. Ne5 Be6 24. a4 Nd6 25. a5 b5 26. Rae1 Nf5 27. Rc3 c4 28. Nc6 Bd5 29. Nb4 Bb7 30. f3 Rad8 31. Kf2 Rd2+ 32. Re2 Rxe2+ 33. Kxe2 Nd4+ 34. Kf2 Re8 35. Re3 Rxe3 36. Kxe3 Nb3 37. Kf4 Nxa5 38. Ke5 f6+ 39. Ke6 Nb3 40. f4 Nc5+ 41. Kd6 Nd3 42. Kc7 Be4 43. Nxa6 b4 44. Nxb4 Nxb4 45. Kb6 Nd3 46. Kb5 Bd5 47. f5 Nxb2 48. Kb4 Nd1 49. Kc5 c3 50. Kxd5 c2 51. h4 c1=Q 52. Kd4 Qf4+ 53. Kd3 Qxf5+ 54. Kd2 Qf4+ 55. Kxd1 Qxh4 56. Ke2 Qc4+ 57. Ke3 g5 58. Kf3 g4+ |
| ECO C77-10573 play it pgn download biff vs deepblue white wins by checkmate in 113 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. O-O Be7 7. Qe2 O-O 8. e5 Ne8 9. c3 dxc3 10. Nxc3 Kh8 11. Be3 d5 12. exd6 Qxd6 13. Rad1 Qe6 14. Nd5 Bd6 15. Rfe1 b5 16. Bc2 f5 17. Bb3 Qd7 18. g3 Bb7 19. Nf4 Qc8 20. Ng5 Bxf4 21. Bxf4 Nf6 22. Nf7+ Rxf7 23. Bxf7 Nb4 24. Be6 Qb8 25. Qd2 a5 26. a3 Nbd5 27. Bxf5 Nxf4 28. Qxf4 c5 29. Qxb8+ Rxb8 30. Rd6 Ba8 31. Re5 Ne8 32. Rb6 Rd8 33. Bc2 b4 34. Rxc5 Nf6 35. Rxa5 bxa3 36. bxa3 Bf3 37. Rf5 Bd5 38. f3 Bg8 39. Rb7 Be6 40. Rfb5 Rd2 41. Rb8+ Ng8 42. Rc5 g6 43. Rc7 Ba2 44. a4 Re2 45. a5 Bd5 46. Rc5 Re1+ 47. Kf2 Rc1 48. a6 Kg7 49. a7 Nf6 50. a8=R Bxa8 51. Rxa8 Kh6 52. g4 Nd5 53. Ra7 Rh1 54. Rxd5 Rxh2+ 55. Kg3 Rh5 56. gxh5 gxh5 57. Rxh7# |
| ECO C77-10572 play it pgn download biff vs deepblue white wins by checkmate in 131 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. O-O Be7 7. Qe2 O-O 8. e5 Ne8 9. c3 dxc3 10. Nxc3 b5 11. Bc2 f5 12. a4 b4 13. Nd5 Kh8 14. Nxe7 Qxe7 15. Bg5 Qe6 16. g3 Nd6 17. Bd3 Nf7 18. Bf4 Re8 19. Rac1 Bb7 20. Bc4 d5 21. Bd3 g6 22. Rc5 Re7 23. Rd1 Rae8 24. Ng5 Nxg5 25. Bxg5 Nxe5 26. Bxe7 Rxe7 27. Qe3 Qf6 28. Rcc1 d4 29. Qh6 Nf3+ 30. Kf1 f4 31. gxf4 Qg7 32. Qxg7+ Kxg7 33. h3 Kf6 34. Rc5 Nh4 35. Bc4 Bg2+ 36. Kg1 Bxh3 37. Bd5 Nf5 38. Rc6+ Kg7 39. Rxa6 c5 40. Ra5 Re2 41. Rxc5 Rxb2 42. Rc7+ Kh6 43. Bg8 Ng7 44. Rxd4 Rb1+ 45. Kh2 Bf5 46. Rb7 Rf1 47. Kg2 Re1 48. Rbxb4 Ne8 49. a5 Ra1 50. Ra4 Rxa4 51. Rxa4 Kg7 52. Bc4 Bd7 53. Rb4 Bc6+ 54. f3 Nd6 55. a6 Nf5 56. a7 Nh4+ 57. Kg3 Nf5+ 58. Kf2 Bxf3 59. Kxf3 Nd4+ 60. Kf2 Kh6 61. a8=Q Nf5 62. Rb5 g5 63. Rb6+ Kh5 64. Qf3+ Kh4 65. Be2 Ne7 66. Qg4# |
| ECO C77-10571 play it pgn download biff vs deepblue white wins by checkmate in 91 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. O-O Be7 7. Qe2 O-O 8. e5 Ne8 9. c3 dxc3 10. Nxc3 Kh8 11. Be3 d5 12. exd6 Qxd6 13. Rad1 Qe6 14. Rd5 b5 15. Bb3 b4 16. Na4 Qf6 17. Bg5 Qe6 18. Re5 Nxe5 19. Bxe6 Nxf3+ 20. Qxf3 Bxg5 21. Bxc8 Rxc8 22. Qg4 f5 23. Qxg5 Nd6 24. Nc5 Rf6 25. Re1 Rg6 26. Qe7 a5 27. Nb7 Rg8 28. Qxc7 Nxb7 29. Qxb7 Rd6 30. Qb5 Rd2 31. Qxf5 Rxb2 32. Qxa5 h6 33. h4 Rf8 34. Qa7 Rd8 35. Qf7 Rbd2 36. Re7 Rg8 37. Rb7 Rd4 38. g3 Rd1+ 39. Kh2 Rd4 40. Kg2 Re4 41. Kh3 Rd4 42. f4 Re4 43. f5 b3 44. f6 Rc4 45. fxg7+ Kh7 46. Qf5# |
| ECO C77-10570 play it pgn download biff vs deepblue black wins by checkmate in 130 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. O-O Be7 7. Qe2 O-O 8. e5 Ne8 9. c3 dxc3 10. Nxc3 Kh8 11. Be3 d6 12. exd6 Qxd6 13. Rad1 Qg6 14. Bc2 Bf5 15. Bxf5 Qxf5 16. Rd5 Qe6 17. Ng5 Bxg5 18. Rxg5 Nf6 19. Re1 Rfe8 20. Rd1 Ne5 21. Rd4 h6 22. Rg3 Qf5 23. Kh1 Rad8 24. Rxd8 Rxd8 25. Rh3 Kg8 26. f3 Re8 27. Rh4 Qd3 28. Qd2 Qf1+ 29. Bg1 Nc4 30. Qf2 Qxf2 31. Bxf2 Nxb2 32. h3 Nd3 33. Bd4 Nd7 34. Ne4 f5 35. Ng3 Re1+ 36. Kh2 c5 37. Nxf5 cxd4 38. Rxd4 N7c5 39. g4 Re2+ 40. Kg3 Rxa2 41. f4 b5 42. Rd8+ Kf7 43. Rc8 Ne6 44. g5 Ndxf4 45. gxh6 gxh6 46. Nxh6+ Kg6 47. Ng8 Kg5 48. h4+ Kf5 49. Kf3 Ra3+ 50. Kf2 Kg4 51. Nf6+ Kxh4 52. Ke1 Nd4 53. Rg8 Kh3 54. Kd2 Rd3+ 55. Ke1 Ng2+ 56. Rxg2 Kxg2 57. Ne4 Re3+ 58. Kd2 Rxe4 59. Kd3 Kf3 60. Kc3 a5 61. Kb2 Re2+ 62. Kc1 a4 63. Kd1 a3 64. Kc1 a2 65. Kd1 a1=Q# |
| ECO C77-10569 play it pgn download biff vs deepblue white wins by checkmate in 125 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. O-O Be7 7. Qe2 O-O 8. e5 Ne8 9. c3 dxc3 10. Nxc3 b5 11. Bc2 h6 12. Be4 Bb7 13. Be3 Rb8 14. Rad1 d6 15. Rfe1 b4 16. Nd5 Kh8 17. Bf4 Qd7 18. Nxe7 Nxe7 19. exd6 cxd6 20. Bxb7 Rxb7 21. Qxa6 Ra7 22. Qc4 Ng6 23. Be3 Ra5 24. Bd2 Qb5 25. Qxb5 Rxb5 26. Nd4 Rb6 27. Rc1 d5 28. Rc6 Rxc6 29. Nxc6 b3 30. Bb4 Rg8 31. a3 Nc7 32. Ne7 Re8 33. Rc1 Na6 34. Nxd5 Rd8 35. Ne7 Nxb4 36. Nxg6+ fxg6 37. axb4 Rd2 38. g3 Rxb2 39. Kg2 Rd2 40. Rb1 Rd5 41. Rxb3 Rb5 42. f4 Kg8 43. h4 g5 44. hxg5 hxg5 45. fxg5 Kf7 46. Kf3 Kg6 47. Kf4 Rf5+ 48. Ke4 Rb5 49. Kd4 Kf7 50. Kc4 Rxg5 51. b5 Ke6 52. b6 Kd6 53. b7 Rg4+ 54. Kb5 Kc7 55. Kc5 Rg5+ 56. Kd4 Kb8 57. Kc4 Re5 58. Rb6 Re7 59. Kd5 Rxb7 60. Rxb7+ Ka8 61. Rxg7 Kb8 62. Kc6 Kc8 63. Rg8# |
| ECO C77-10568 play it pgn download biff vs deepblue black wins by checkmate in 110 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. O-O Be7 7. Qe2 O-O 8. e5 Ne8 9. c3 dxc3 10. Nxc3 Kh8 11. Be3 d5 12. exd6 Qxd6 13. Rad1 Qg6 14. Bc2 Bf5 15. Bxf5 Qxf5 16. Rd5 Qe6 17. Ng5 Bxg5 18. Rxg5 Nf6 19. Re1 Rfe8 20. Qd3 h6 21. Na4 hxg5 22. Nc3 Rad8 23. Qb1 Kg8 24. h3 Qc4 25. Bxg5 Rxe1+ 26. Qxe1 Kf8 27. Bxf6 gxf6 28. Qc1 Ne5 29. Qh6+ Ke7 30. Qe3 Qd4 31. Qe4 Qxe4 32. Nxe4 Nd3 33. b3 f5 34. Ng3 Ke6 35. Ne2 f4 36. Kf1 Kf5 37. g4+ fxg3 38. fxg3 Re8 39. a3 Re3 40. a4 c5 41. g4+ Kg5 42. Ng1 Ne5 43. a5 Rxb3 44. Kg2 Ra3 45. Ne2 c4 46. Nd4 Rxa5 47. Kf2 Ra3 48. Kg2 Rd3 49. Ne2 c3 50. Nc1 c2 51. Na2 Kf4 52. g5 Rd2+ 53. Kf1 Ke3 54. g6 Nf3 55. gxf7 Rf2# |
| ECO C77-10567 play it pgn download biff vs deepblue black wins by checkmate in 72 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. O-O Be7 7. Qe2 O-O 8. e5 Ne8 9. c3 dxc3 10. Nxc3 b5 11. Bc2 f5 12. a4 b4 13. Nd5 Kh8 14. Be3 Bb7 15. Rfd1 a5 16. Qd2 d6 17. e6 Ne5 18. Nxe5 dxe5 19. Nxe7 Qxe7 20. Qd7 Qh4 21. f3 e4 22. Qb5 Rb8 23. Ba7 Nd6 24. Qxa5 Ra8 25. fxe4 fxe4 26. Qb6 cxb6 27. Bxb6 Qf6 28. e7 Rfc8 29. Bd4 Qxe7 30. Bb3 e3 31. g4 Qh4 32. Rd2 Qxg4+ 33. Kf1 Qf3+ 34. Ke1 Qh1+ 35. Ke2 Qg2+ 36. Kd1 Qxd2# |
| ECO C77-10566 play it pgn download biff vs deepblue black wins by checkmate in 86 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. O-O Be7 7. Qe2 O-O 8. e5 Ne8 9. c3 dxc3 10. Nxc3 Kh8 11. Be3 d5 12. exd6 Qxd6 13. Rad1 Qg6 14. Nd5 Bd6 15. Bxc6 bxc6 16. Nf4 Bxf4 17. Bxf4 Be6 18. b4 a5 19. Bd2 axb4 20. Bxb4 Rxa2 21. Qxa2 Bxa2 22. Bxf8 Bd5 23. Kh1 Bxf3 24. gxf3 Qf5 25. Kg2 Qg5+ 26. Kh1 Qh5 27. Kg2 c5 28. Rfe1 Nf6 29. Rd8 h6 30. Bxc5+ Kh7 31. Be3 c5 32. Rc1 Nd5 33. Rd1 Ne7 34. R1d6 c4 35. Bd2 Nf5 36. Rd5 Nh4+ 37. Kf1 Qxf3 38. Be3 Nf5 39. Bb6 c3 40. R8d7 c2 41. Rc7 Qxd5 42. Rc4 Qh1+ 43. Ke2 Qd1# |
| ECO C77-10565 play it pgn download biff vs deepblue white wins by checkmate in 83 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. O-O Be7 7. Qe2 O-O 8. e5 Ne8 9. c3 dxc3 10. Nxc3 Kh8 11. Be3 d5 12. exd6 Qxd6 13. Rad1 Qe6 14. Rd5 b5 15. Bb3 b4 16. Rg5 Qd7 17. Rd5 Qg4 18. h3 Qg6 19. Bc2 f5 20. Na4 Be6 21. Rd2 Bxa2 22. b3 Qf7 23. Qd3 Rd8 24. Qxa6 Nb8 25. Qb7 Nd6 26. Qxc7 Qe6 27. Nc5 Qf7 28. Qa5 Ne4 29. Nxe4 fxe4 30. Nd4 Rxd4 31. Rxd4 Bxb3 32. Bxe4 Bf6 33. Rd2 Bc3 34. Rd8 Rxd8 35. Qxd8+ Qg8 36. Qe7 h6 37. Rc1 Qc4 38. Bd2 Qg8 39. Bxc3 Qh7 40. Qf8+ Bg8 41. Bxh7 b3 42. Qxg8# |
| ECO C77-10564 play it pgn download biff vs deepblue black wins in 122 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. O-O Be7 7. Qe2 O-O 8. e5 Ne8 9. c3 dxc3 10. Nxc3 Kh8 11. Be3 d6 12. exd6 Qxd6 13. Rfd1 Qg6 14. Nd5 Bd6 15. Kh1 Bg4 16. Nxc7 Bxc7 17. Bxc6 Qxc6 18. Rac1 Bxf3 19. Qxf3 Qxf3 20. gxf3 Rd8 21. Rxd8 Bxd8 22. Kg2 Nf6 23. Rc8 Kg8 24. b3 Nd5 25. Rc5 Nb4 26. a3 Nd3 27. Rd5 Ne1+ 28. Kg3 Bc7+ 29. f4 Rd8 30. Rxd8+ Bxd8 31. f5 f6 32. Bd4 Bc7+ 33. f4 Nc2 34. Bb2 Ne3 35. Kf3 Nxf5 36. Ke4 Nh4 37. Bc1 Kf7 38. Bd2 g6 39. a4 Ke6 40. h3 h6 41. b4 g5 42. fxg5 hxg5 43. Bc3 f5+ 44. Ke3 f4+ 45. Ke4 Bd6 46. Be1 Nf5 47. Bc3 Be7 48. Bd2 Nd6+ 49. Kf3 Nc4 50. Bc3 Nb6 51. a5 Nd5 52. Bd2 Kf5 53. b5 axb5 54. Kf2 b4 55. Ke2 b3 56. Kd1 Ba3 57. a6 bxa6 58. Bxf4 b2 59. Bd2 b1=Q+ 60. Ke2 Bc5 61. h4 Qe4+ |
| ECO C77-10563 play it pgn download biff vs deepblue black wins by checkmate in 80 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. O-O Be7 7. Qe2 O-O 8. e5 Ne8 9. c3 dxc3 10. Nxc3 Kh8 11. Be3 d6 12. exd6 Qxd6 13. Rad1 Qg6 14. Bc2 Bf5 15. Bxf5 Qxf5 16. Rd5 Qe6 17. Ng5 Bxg5 18. Rxg5 Nf6 19. Re1 Rfe8 20. Qd3 h6 21. Qd4 Nxd4 22. Rg3 Nf5 23. Rf3 Ng4 24. Re2 Ngxe3 25. fxe3 f6 26. Kh1 Rad8 27. a3 c5 28. Kg1 b5 29. Rf4 Qd7 30. Rf3 b4 31. g4 bxc3 32. bxc3 Nxe3 33. Rexe3 Qxg4+ 34. Kf1 Rd1+ 35. Ke2 Rxe3+ 36. Kxe3 Qe6+ 37. Kf2 Rd2+ 38. Kg3 Qe5+ 39. Kh4 Rxh2+ 40. Kg4 h5# |
| ECO C77-10562 play it pgn download biff vs deepblue black wins by checkmate in 124 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. O-O Be7 7. Qe2 O-O 8. e5 Ne8 9. c3 dxc3 10. Nxc3 b5 11. Bc2 h6 12. Be4 Bb7 13. Be3 Rb8 14. Rad1 f5 15. Bxc6 Bxc6 16. Nd4 Qc8 17. Nxc6 dxc6 18. f4 a5 19. g3 Qe6 20. b3 g6 21. Qd3 Rd8 22. Qe2 Ng7 23. Rfe1 Kh7 24. Qf3 Nh5 25. Rxd8 Rxd8 26. Rc1 Rd3 27. Qe2 Rd7 28. Qf3 Bb4 29. Ne2 Qd5 30. Kg2 c5 31. Qxd5 Rxd5 32. Kf2 c6 33. e6 Kg7 34. Ra1 Kf6 35. a3 Bd2 36. Bxd2 Rxd2 37. a4 b4 38. Rc1 Rd5 39. Re1 Ke7 40. Ke3 Nf6 41. Nc1 Kxe6 42. Re2 Rd4 43. Nd3 Kd5 44. Ne5 Re4+ 45. Kf3 g5 46. Nc4 g4+ 47. Kf2 Rxc4 48. Re5+ Kd4 49. bxc4 b3 50. Re2 Ne4+ 51. Ke1 Kxc4 52. Rg2 Kc3 53. Ke2 b2 54. Rg1 c4 55. Rf1 Kb3 56. Rg1 c3 57. Rd1 c2 58. Rd8 b1=Q 59. Rb8+ Kc4 60. Rd8 Qg1 61. Rd4+ Qxd4 62. h3 Qf2# |
| ECO C77-10561 play it pgn download biff vs deepblue white wins by checkmate in 71 moves | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. O-O Be7 7. Qe2 O-O 8. e5 Ne8 9. c3 dxc3 10. Nxc3 Kh8 11. Be3 d5 12. Rad1 Qd6 13. exd6 Bxd6 14. Nxd5 Bg4 15. Bxc6 bxc6 16. Nc3 Nf6 17. Qc4 Rab8 18. Rd2 Bxf3 19. gxf3 Rb4 20. Qxa6 Rh4 21. Rxd6 cxd6 22. Qxc6 Ne8 23. Ne4 h6 24. b4 f5 25. Nxd6 Nxd6 26. Qxd6 Rf6 27. Qd8+ Kh7 28. b5 f4 29. Bd4 Rc6 30. bxc6 Rh5 31. c7 Rb5 32. c8=Q Rg5+ 33. Kh1 Rg3 34. Qg8+ Kg6 35. hxg3 Kg5 36. Qg4# |