| ECO A20 in 2007 play it! boris the blade defeats black's deep blue by checkmate in 119 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. Nc3 Nf6 5. Bxc6+ bxc6 6. Nf3 e4 7. Nd4 c5 8. Nb3 Bf5 9. f3 exf3 10. O-O Be7 11. Rxf3 Bg4 12. Rf4 Bh3 13. d3 O-O 14. Bd2 Rb8 15. Rb1 Re8 16. e4 c6 17. Rh4 Qd7 18. Qf3 Bg4 19. Qf4 h5 20. Re1 Rb6 21. Rf1 Bh3 22. Rf3 g6 23. Na4 Ra6 24. Naxc5 dxc5 25. Bc3 Bg4 26. Rf2 Qxd3 27. Bxf6 Bf8 28. Qxg4 Qb1+ 29. Rf1 Qd3 30. Rxh5 Qe3+ 31. Kh1 Bg7 32. Nxc5 Bxf6 33. Nxa6 Rxe4 34. Qc8+ Re8 35. Qxc6 gxh5 36. Qxf6 Qe4+ 37. Kg1 Qe3+ 38. Qf2 Qxf2+ 39. Rxf2 Kg7 40. b4 f6 41. Kg2 Kf7 42. c5 Re6 43. b5 Ke7 44. c6 Kd8 45. a4 Rd6 46. Nc5 Kc8 47. Ne4 Rd4 48. Nxf6 h4 49. gxh4 Rxh4 50. Nd5 Rh8 51. c7 Rg8+ 52. Kh3 Rh8+ 53. Kg4 Rg8+ 54. Kf3 Rh8 55. Rc2 Rf8+ 56. Ke4 Rf5 57. Kxf5 a6 58. Nb6+ Kb7 59. c8=Q+ Ka7 60. Qc7# |
| ECO A20 in 2007 play it! boris the blade defeats black's deep blue by checkmate in 69 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. Nc3 Nf6 5. Bxc6+ bxc6 6. Nf3 Be7 7. d4 e4 8. Nh4 d5 9. h3 Qd7 10. Bg5 h6 11. Bxf6 Bxf6 12. Qb3 g5 13. Ng2 Bxd4 14. Rd1 Ke7 15. Rxd4 Qd6 16. cxd5 f5 17. Qc4 c5 18. Rd2 Ba6 19. Qa4 Rab8 20. a3 Kd8 21. g4 Bc8 22. gxf5 Bxf5 23. h4 Rf8 24. hxg5 hxg5 25. Ne3 Qf6 26. Qxa7 Rxb2 27. Rxb2 Qxc3+ 28. Rd2 Qc1+ 29. Rd1 Qc3+ 30. Kf1 Rh8 31. Qb8+ Bc8 32. Rg1 Rh5 33. d6 g4 34. Qxc7+ Ke8 35. Qe7# |
| ECO A20 in 2007 play it! boris the blade defeats black's deep blue by checkmate in 69 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. Nc3 Be7 5. Bxc6+ bxc6 6. d4 exd4 7. Qxd4 Nf6 8. Nf3 O-O 9. Qd3 Re8 10. Bf4 Rb8 11. O-O-O g6 12. h4 Ng4 13. Rdf1 c5 14. h5 Bf6 15. e4 g5 16. Bd2 Bb7 17. h6 Nxf2 18. Rxf2 Re6 19. Rh5 g4 20. Nh2 Bxc3 21. Qxc3 Rg6 22. Rf4 Qc8 23. Nxg4 a6 24. Nf6+ Kf8 25. Nxh7+ Ke7 26. Nf6 Qh8 27. Nd5+ Bxd5 28. exd5 Qd8 29. Qe3+ Kd7 30. Rxf7+ Kc8 31. h7 Kb7 32. h8=Q Qxh8 33. Qb3+ Ka8 34. Rxh8 c6 35. Rxb8# |
| ECO A20 in 2007 play it! boris the blade defeats black's deep blue by checkmate in 65 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. Nf3 e4 5. Ng1 Nf6 6. Nc3 Bf5 7. d3 exd3 8. exd3 Qd7 9. Nge2 Ne5 10. d4 Nd3+ 11. Kf1 Ng4 12. Qb3 c6 13. Nd1 Nxc1 14. Rxc1 O-O-O 15. h3 Nf6 16. Ne3 Ne4 17. Kg1 Re8 18. g4 Bg6 19. Nf4 f5 20. Qc2 a6 21. b4 Kb8 22. a4 Qf7 23. Nxg6 hxg6 24. b5 Kc7 25. bxc6 bxc6 26. Rb1 Re7 27. Nd5+ cxd5 28. cxd5+ Nc5 29. dxc5 Kd8 30. Rb8+ Kd7 31. c6+ Kc7 32. Qb3 Re4 33. Qb6# |
| ECO A20 in 2007 play it! boris the blade defeats black's deep blue by checkmate in 129 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. Nf3 e4 5. Ng1 Nf6 6. Nc3 Bf5 7. d3 exd3 8. exd3 Be7 9. Nge2 O-O 10. Bxc6 bxc6 11. O-O Bg4 12. f3 Bh3 13. Re1 h5 14. Nd4 Qd7 15. Qa4 c5 16. Qxd7 Nxd7 17. Rxe7 cxd4 18. Nb5 Ne5 19. Nxc7 Rad8 20. Nd5 Nxf3+ 21. Kh1 Rfe8 22. Bf4 Rxe7 23. Nxe7+ Kf8 24. Nc6 Rd7 25. b4 g5 26. Bc1 Bf5 27. Kg2 Ne1+ 28. Kg1 Re7 29. Nxe7 Bxd3 30. Bb2 Nc2 31. Rd1 Bxc4 32. Nc6 d3 33. Kf2 Ke8 34. Bf6 Kd7 35. Nxa7 Nxb4 36. Bxg5 Bxa2 37. Nb5 Kc6 38. Nc3 Be6 39. Rd2 Bd7 40. Ne4 d5 41. Nf6 Be6 42. Rb2 Kc5 43. Nxh5 Nc6 44. Bf6 d4 45. Nf4 Kc4 46. h4 Na5 47. Rd2 Bf5 48. Ra2 Nb3 49. Ra4+ Kb5 50. Ra3 d2 51. Rxb3+ Kc4 52. Ke2 Kxb3 53. Kxd2 Kc4 54. h5 Bh7 55. h6 Bf5 56. g4 Bh7 57. Ne2 d3 58. Nf4 Bg6 59. Nxg6 Kd5 60. Nf4+ Ke4 61. Nxd3 Kf3 62. h7 Kg2 63. h8=Q Kf3 64. Qh3+ Ke4 65. Qg2# |
| ECO A20 in 2007 play it! boris the blade defeats black's deep blue by checkmate in 115 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. Nf3 e4 5. Ng1 Bf5 6. Nc3 Nf6 7. d3 exd3 8. exd3 Be7 9. Nge2 Ne5 10. O-O O-O 11. f4 Nxd3 12. Nd4 Qd7 13. Bxb7 Rac8 14. Bc6 Qd8 15. Nxf5 Nb4 16. Bf3 Re8 17. Nxe7+ Rxe7 18. a3 Na6 19. Bb7 Nc5 20. Bxc8 Qxc8 21. b4 Nce4 22. Nxe4 Rxe4 23. Bb2 Rxc4 24. Bxf6 gxf6 25. Qd3 Rc6 26. Rfe1 Qh3 27. Rec1 Qd7 28. Qd5 Rb6 29. Qa8+ Kg7 30. Qxa7 Qe8 31. Rc3 d5 32. Rac1 Re6 33. Rxc7 Re2 34. Rxf7+ Qxf7 35. Rc7 Qxc7 36. Qxc7+ Kf8 37. Qc5+ Kg7 38. Qxd5 h6 39. b5 Rb2 40. g4 Rb1+ 41. Kf2 Rb2+ 42. Kg3 Re2 43. b6 Re3+ 44. Kh4 Re2 45. h3 Rb2 46. Qd7+ Kg8 47. b7 Kf8 48. Qc7 Rb1 49. b8=Q+ Rxb8 50. Qxb8+ Ke7 51. Qc7+ Kf8 52. Qd7 Kg8 53. a4 f5 54. Qxf5 Kh8 55. Qg6 h5 56. f5 hxg4 57. f6 gxh3 58. Qg7# |
| ECO A20 in 2007 play it! boris the blade defeats black's deep blue by checkmate in 67 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. Nf3 e4 5. Ng1 Nf6 6. Nc3 Bf5 7. d3 exd3 8. exd3 Be7 9. Nge2 O-O 10. O-O Ne5 11. f4 Nxd3 12. Nd4 Qe8 13. Nxf5 Qb8 14. Nxe7+ Kh8 15. Qxd3 Re8 16. Nf5 Re6 17. Nd5 Ng4 18. Bd2 c6 19. Nde3 Nxe3 20. Nxe3 f6 21. Be4 h6 22. Rae1 a6 23. b3 Qc7 24. Bg6 b5 25. Nf5 bxc4 26. bxc4 Rxe1 27. Rxe1 d5 28. cxd5 cxd5 29. Re7 Qc5+ 30. Be3 Kg8 31. Rxg7+ Kh8 32. Rh7+ Kg8 33. Bxc5 h5 34. Qxd5# |
| ECO A20 in 2007 play it! boris the blade defeats black's deep blue by checkmate in 135 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. Nf3 e4 5. Ng1 Nf6 6. Nc3 Bf5 7. d3 exd3 8. exd3 Be7 9. Nge2 O-O 10. O-O Ne5 11. f4 Nxd3 12. Nd4 Qd7 13. Bxb7 Rab8 14. Bc6 Qc8 15. b3 Nxc1 16. Rxc1 Bh3 17. Re1 Bd8 18. Qc2 Qa6 19. Rcd1 Rb6 20. Bg2 Bg4 21. Bf3 Bxf3 22. Nxf3 g6 23. Nd4 c6 24. Rd2 Rb7 25. Kh1 d5 26. cxd5 cxd5 27. Qd3 Qxd3 28. Rxd3 h6 29. Re5 Ng4 30. Re2 Bh4 31. gxh4 Rd7 32. h5 Kh7 33. hxg6+ fxg6 34. Ne6 Re8 35. Rxd5 Rde7 36. f5 gxf5 37. Nd4 f4 38. Rf5 Rxe2 39. Ncxe2 Re7 40. Rxf4 Ne3 41. Rf3 Nd5 42. Nc3 Nxc3 43. Rxc3 Rd7 44. Rc4 a6 45. Kg2 Kg6 46. a3 Rg7 47. Kf3 Rf7+ 48. Ke4 Re7+ 49. Kd3 Rf7 50. b4 Rf6 51. Rc7 Kh5 52. Rc6 Kg6 53. Rxf6+ Kxf6 54. Ke4 Kf7 55. Nb3 Ke6 56. Nc5+ Kd6 57. Nxa6 Ke6 58. b5 Kd6 59. a4 h5 60. h4 Kd7 61. Kd5 Kd8 62. b6 Kc8 63. Kc6 Kd8 64. b7 Ke7 65. b8=Q Ke6 66. Qf4 Ke7 67. Nc7 Kd8 68. Qf8# |
| ECO A20 in 2007 play it! boris the blade defeats black's deep blue by checkmate in 87 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. Nf3 e4 5. Ng1 Nf6 6. Nc3 Bf5 7. d3 exd3 8. exd3 Be7 9. Nge2 Ne5 10. O-O Bxd3 11. f4 Bxe2 12. Qxe2 Nc6 13. Re1 Qd7 14. b3 Kf8 15. Bb2 Re8 16. Qd2 Bd8 17. Rxe8+ Nxe8 18. Re1 Bf6 19. Nd5 Bxb2 20. Qxb2 Rg8 21. Qc3 a5 22. Qd3 Rh8 23. Qf3 a4 24. bxa4 Nd4 25. Qc3 Nc6 26. Qb3 Qc8 27. Qe3 Qd7 28. Qe4 g6 29. Bf3 Kg7 30. Rb1 Na5 31. Qd4+ f6 32. Re1 c5 33. Qc3 Nc6 34. Rxe8 Qxe8 35. Nxf6 Qf7 36. Ne8+ Kh6 37. Qxh8 Nd4 38. Bxb7 Qe7 39. Nf6 Qd7 40. Nxd7 Ne2+ 41. Kg2 Nxf4+ 42. gxf4 g5 43. Qf6+ Kh5 44. Qxg5# |
| ECO A20 in 2007 play it! boris the blade defeats black's deep blue by checkmate in 95 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. Nf3 e4 5. Ng1 Nf6 6. Nc3 Bf5 7. d3 exd3 8. exd3 Be7 9. Nge2 O-O 10. O-O Ne5 11. f4 Nxd3 12. Nd4 Qd7 13. Bxb7 Rab8 14. Bc6 Qc8 15. b3 Nxc1 16. Rxc1 Bh3 17. Re1 Bd8 18. Rc2 Rb6 19. Rd2 g6 20. Bf3 Qa6 21. c5 dxc5 22. Ndb5 Rb8 23. Rd3 c4 24. bxc4 Qb6+ 25. Rde3 Re8 26. Qd4 Rxe3 27. Rxe3 c6 28. c5 Qa6 29. Qd6 Bf1 30. Qxb8 Bxb5 31. Qxd8+ Kg7 32. Qd4 Qc8 33. Ne4 Qf5 34. g4 Qxf4 35. g5 a6 36. Qxf6+ Qxf6 37. gxf6+ Kh6 38. Bd1 g5 39. Nd6 Kg6 40. Bc2+ Bd3 41. Bxd3+ Kh5 42. Nxf7 g4 43. Re5+ Kh4 44. Kf2 a5 45. Kg2 a4 46. Nh6 a3 47. f7 g3 48. hxg3# |
| ECO A20 in 2007 play it! boris the blade defeats black's deep blue by checkmate in 123 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. Nf3 e4 5. Ng1 Nf6 6. Nc3 Bf5 7. d3 exd3 8. exd3 Be7 9. Nge2 O-O 10. O-O Ne5 11. f4 Nxd3 12. Nd4 Qd7 13. Bxb7 Rab8 14. Bc6 Qc8 15. b3 Nxc1 16. Rxc1 Bh3 17. Re1 Bd8 18. Bf3 Qa6 19. Nc6 Rb6 20. Nxd8 Rxd8 21. Re7 Rd7 22. Rxd7 Bxd7 23. Nd5 Nxd5 24. cxd5 Qxa2 25. Rxc7 Bh3 26. g4 Rb8 27. Rc3 Qa5 28. Qc1 Re8 29. Rc8 Qb6+ 30. Kh1 Qb5 31. b4 f5 32. Qe1 Kf8 33. Qxe8+ Qxe8 34. Rxe8+ Kxe8 35. g5 Ke7 36. Kg1 h6 37. Be2 Bf1 38. gxh6 gxh6 39. Kxf1 Kf6 40. Kf2 Ke7 41. Bd3 Kf6 42. Kg3 Kg6 43. Kh4 Kg7 44. Kh5 Kf7 45. Kxh6 Kf6 46. h4 Kf7 47. Kg5 Kg7 48. Kxf5 Kf7 49. Bb5 Kg7 50. Ke6 Kh6 51. Kxd6 a6 52. Bxa6 Kg6 53. b5 Kf5 54. b6 Kxf4 55. Ke7 Kg4 56. d6 Kf5 57. b7 Kg4 58. b8=Q Kxh4 59. Qg8 Kh3 60. Kf6 Kh2 61. Bf1 Kh1 62. Qg2# |
| ECO A20 in 2007 play it! boris the blade defeats black's deep blue by checkmate in 99 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. Nf3 e4 5. Ng1 Nf6 6. Nc3 Bf5 7. d3 exd3 8. exd3 Be7 9. Nge2 O-O 10. O-O Ne5 11. Nf4 g5 12. Nfe2 Bxd3 13. Bxg5 Bxc4 14. Qd4 c6 15. Rfd1 Re8 16. b3 Bxe2 17. Nxe2 c5 18. Qd2 Rb8 19. Nc3 b6 20. Rac1 Kh8 21. Rc2 Neg4 22. h3 Ne5 23. Nb5 d5 24. Bf4 Bf8 25. Re1 Ne4 26. Bxe4 dxe4 27. Bxe5+ Rxe5 28. Nxa7 Qf6 29. Qc3 Bg7 30. Nb5 Qe6 31. h4 Rd8 32. Rd2 Rd3 33. Rxd3 Bf6 34. Rd6 Qf5 35. Rxb6 Re6 36. Rb8+ Kg7 37. Qe3 Qe5 38. Rc8 c4 39. bxc4 Re7 40. c5 Qe6 41. Nd6 Qd7 42. Qf4 Re5 43. Rxe4 h6 44. Rxe5 Bxe5 45. Qxe5+ f6 46. Ne8+ Kg8 47. Nxf6+ Kf7 48. Nxd7 Kg6 49. h5+ Kf7 50. Rf8# |
| ECO A20 in 2007 play it! boris the blade defeats black's deep blue by checkmate in 93 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. Nf3 e4 5. Ng1 Nf6 6. Nc3 Bf5 7. d3 exd3 8. exd3 Be7 9. Nge2 O-O 10. Bxc6 bxc6 11. O-O Bg4 12. f3 Bd7 13. Nf4 g5 14. Ng2 Rb8 15. Qa4 Rb7 16. Qa6 Qb8 17. Re1 Bd8 18. d4 h6 19. b3 Rb6 20. Qa5 Qb7 21. Ne4 Nxe4 22. fxe4 Re8 23. Bb2 Bh3 24. d5 f6 25. Bd4 c5 26. Bb2 c6 27. Qd2 Kg7 28. Qf2 Qf7 29. Qf3 cxd5 30. cxd5 Bxg2 31. Qxg2 Qg6 32. Bc3 Rb5 33. Re2 Ba5 34. Bb2 Rb4 35. Rf1 Bd8 36. Rfe1 Bb6 37. Bc3 Rb5 38. Rf1 Bd8 39. Rf5 Rb6 40. Ref2 a6 41. Qf3 Rf8 42. Qg4 Kh7 43. R5f3 Be7 44. Qe6 Qe8 45. Bxf6 Qc6 46. Qf5+ Kg8 47. Qg6# |
| ECO A20 in 2007 play it! boris the blade defeats black's deep blue in 105 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. Nf3 e4 5. Ng1 Bf5 6. d3 exd3 7. Bxc6+ bxc6 8. exd3 d5 9. Qe2+ Qe7 10. Be3 O-O-O 11. cxd5 cxd5 12. d4 Qe4 13. Nf3 Bb4+ 14. Nbd2 Bxd2+ 15. Kxd2 Rd6 16. Ng5 Qc2+ 17. Ke1 Qxe2+ 18. Kxe2 Nh6 19. Rae1 f6 20. Nf3 Ng4 21. Nh4 Bd7 22. h3 Nxe3 23. Kxe3 Re8+ 24. Kd2 Rxe1 25. Rxe1 Bxh3 26. Re7 Rd7 27. Re8+ Kb7 28. b4 Kc6 29. a4 Kd6 30. b5 c5 31. Rc8 c4 32. Rc6+ Ke7 33. f4 Kf7 34. Nf3 Re7 35. Ng1 Bf1 36. Rd6 Bg2 37. Ne2 Rb7 38. Rc6 g6 39. g4 Be4 40. Nc3 Bf3 41. Ke3 Bg2 42. a5 Re7+ 43. Kf2 Be4 44. b6 axb6 45. axb6 h5 46. Rc7 Ke8 47. Rxe7+ Kxe7 48. b7 hxg4 49. Nxe4 dxe4 50. b8=Q c3 51. Ke3 g3 52. Qc7+ Ke6 53. Qc8+ |
| ECO A20 in 2007 play it! boris the blade defeats black's deep blue by checkmate in 119 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. Nf3 e4 5. Ng1 Bf5 6. Nc3 Nf6 7. d3 exd3 8. exd3 Qd7 9. Nge2 Ne5 10. O-O b5 11. Bxa8 b4 12. Ne4 Nxe4 13. Bxe4 Bxe4 14. dxe4 h6 15. a3 Nf3+ 16. Kg2 Ng5 17. Ng1 bxa3 18. Rxa3 c6 19. Qd4 a5 20. Rxa5 Ne6 21. Ra8+ Nd8 22. f3 c5 23. Qc3 Rg8 24. Qa3 g5 25. Ra7 Qc6 26. Bd2 Bg7 27. Qb3 Qc8 28. Qb6 Be5 29. Rd1 Rg6 30. Be3 Qc6 31. Qb8 Re6 32. Rd5 Bf6 33. Bd2 g4 34. Ba5 Qa4 35. Rxd6 Rxd6 36. Qxd6 Qc6 37. e5 Qxd6 38. exd6 Kf8 39. Bxd8 gxf3+ 40. Nxf3 Bxd8 41. Ne5 f5 42. Rf7+ Kg8 43. Rxf5 Kh7 44. d7 Bc7 45. Kf3 Kg7 46. Ke4 Ba5 47. Kd5 Bb6 48. Kc6 Bd8 49. Kxc5 h5 50. b4 h4 51. g4 Be7+ 52. Kc6 Kh6 53. h3 Bd8 54. Nf7+ Kg7 55. Nxd8 Kg6 56. b5 Kh7 57. Rg5 Kh8 58. Ne6 Kh7 59. d8=Q Kh6 60. Qh8# |
| ECO A20 in 2007 play it! boris the blade defeats black's deep blue by checkmate in 99 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. Nf3 e4 5. Ng1 Nf6 6. Nc3 Bf5 7. d3 exd3 8. exd3 Qd7 9. Nge2 Ne5 10. d4 Nd3+ 11. Kf1 c6 12. Nf4 Nxc1 13. Rxc1 O-O-O 14. d5 g5 15. Qd4 Bg7 16. Nfe2 Kb8 17. dxc6 bxc6 18. c5 d5 19. h4 gxh4 20. Qxh4 Rde8 21. Rd1 Ng4 22. Qg5 Rhg8 23. Qf4+ Be5 24. Qb4+ Qb7 25. Qxb7+ Kxb7 26. Nxd5 Bxb2 27. Nb4 Ba1 28. Bxc6+ Kb8 29. Bxe8 Rxe8 30. Rxa1 Ne5 31. Rh5 Bg4 32. Rxe5 Bh3+ 33. Ke1 Rxe5 34. Nc6+ Kc7 35. Nxe5 f6 36. Nd3 Bf5 37. Kd2 Be4 38. Nc3 Bf3 39. Ke3 Bb7 40. f3 h5 41. Rh1 Bc6 42. Rxh5 a5 43. Rf5 a4 44. Rxf6 a3 45. Ne5 Bb7 46. Nb5+ Kd8 47. Rf8+ Ke7 48. Rf7+ Ke6 49. Kd4 Be4 50. Nc7# |
| ECO A20 in 2007 play it! boris the blade defeats black's deep blue by checkmate in 61 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. Nf3 e4 5. Ng1 Nf6 6. Nc3 Bf5 7. d3 exd3 8. exd3 Be7 9. Nge2 O-O 10. O-O Ne5 11. f4 Nxd3 12. Nd4 Qd7 13. Bxb7 Rac8 14. Bc6 Qd8 15. Nxf5 Nb4 16. Bf3 d5 17. a3 Bc5+ 18. Kh1 Na6 19. cxd5 Re8 20. b4 Bb6 21. Bb2 g6 22. Nh6+ Kf8 23. Ng4 h5 24. Ne5 Nb8 25. Qd3 h4 26. Nxg6+ fxg6 27. Qxg6 hxg3 28. Ne4 Rxe4 29. Bxf6 Ba5 30. Qg7+ Ke8 31. Bh5# |
| ECO A20 in 2007 play it! boris the blade defeats black's deep blue by checkmate in 127 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. Nf3 e4 5. Ng1 Nf6 6. Nc3 Bf5 7. d3 exd3 8. exd3 Be7 9. Nge2 O-O 10. O-O Ne5 11. f4 Nxd3 12. Nd4 Qd7 13. Bxb7 Rab8 14. Bc6 Qc8 15. b3 Nxc1 16. Rxc1 Bh3 17. Re1 Bd8 18. Qc2 Qa6 19. Rcd1 g6 20. Bf3 Ng4 21. Kh1 Nf6 22. Nc6 Bg4 23. Qd3 Rc8 24. c5 Qxd3 25. Rxd3 Bxf3+ 26. Rxf3 a6 27. Rd1 Ne8 28. f5 Kg7 29. Ne4 Rh8 30. fxg6 hxg6 31. cxd6 cxd6 32. Nxd8 Rxd8 33. Rfd3 Rc8 34. Nxd6 Nxd6 35. Rxd6 Rc3 36. Kg1 Rc2 37. R1d2 Rxd2 38. Rxd2 Rc8 39. Kf2 f5 40. Kf3 Kf7 41. Kf4 Re8 42. Rd7+ Kf6 43. Rd6+ Re6 44. Rxe6+ Kxe6 45. g4 Kf6 46. h4 fxg4 47. Kxg4 Ke6 48. b4 Kd6 49. Kg5 Kd5 50. Kxg6 a5 51. bxa5 Kc6 52. h5 Kd5 53. h6 Kc6 54. h7 Kb5 55. h8=Q Kc6 56. a6 Kd7 57. Qh3+ Kc6 58. Qc8+ Kb6 59. Qb8+ Kc6 60. a7 Kd5 61. a8=Q+ Kd4 62. Qf4+ Kd3 63. Qd5+ Ke2 64. Qdd2# |
| ECO A20 in 2007 play it! boris the blade defeats black's deep blue by checkmate in 63 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. Nf3 e4 5. Ng1 Nf6 6. Nc3 Bf5 7. d3 exd3 8. exd3 Be7 9. Nge2 O-O 10. O-O Ne5 11. f4 Nxd3 12. Nd4 Qe8 13. Nxf5 b5 14. Bxa8 Nxc1 15. Bc6 Qd8 16. Re1 Kh8 17. Nxe7 Nxa2 18. Rxa2 bxc4 19. Rxa7 Qb8 20. Rb7 Qd8 21. Ned5 h6 22. Re7 Nxd5 23. Nxd5 Qc8 24. Nxc7 Qf5 25. Qxd6 Qc2 26. Be4 Qe2 27. Bg6 Qf3 28. Rxf7 Rg8 29. Ne6 Qe3+ 30. Kg2 Qe2+ 31. Kh3 Rf8 32. Rxf8# |
| ECO A20 in 2007 play it! boris the blade defeats black's deep blue by checkmate in 65 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. Nf3 e4 5. Ng1 Nf6 6. Nc3 Bf5 7. d3 exd3 8. exd3 Be7 9. Nge2 O-O 10. O-O Ne5 11. f4 Nxd3 12. Nd4 Qd7 13. Bxb7 Rab8 14. Bc6 Qc8 15. b3 Nxc1 16. Rxc1 Bh3 17. Re1 Bd8 18. Bf3 Qa6 19. Nc6 Rb6 20. Nxd8 Rxd8 21. Re7 Rd7 22. Rxd7 Bxd7 23. Nd5 Nxd5 24. cxd5 Qxa2 25. Rxc7 Bh3 26. Re7 h6 27. Re8+ Kh7 28. Qd3+ g6 29. Qd4 Qb1+ 30. Bd1 f6 31. Kf2 Bf5 32. Qxf6 Qc1 33. Qe7# |