| ECO A20 in 2007 play it! boris the blade defeats black's deep blue by checkmate in 105 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 Nxc1 13. Nxf5 Nxa2 14. Rxa2 c6 15. Qd4 g6 16. Nxe7+ Qxe7 17. Rxa7 Rxa7 18. Qxa7 Re8 19. Qd4 Qe3+ 20. Qxe3 Rxe3 21. Rd1 Ne8 22. Kf2 Re6 23. b4 Nf6 24. h3 h5 25. b5 h4 26. gxh4 cxb5 27. Nxb5 Ne4+ 28. Bxe4 Rxe4 29. Nxd6 Rxf4+ 30. Kg3 Rf6 31. c5 Re6 32. Nxb7 Kf8 33. Nd6 Re3+ 34. Kg4 f6 35. h5 gxh5+ 36. Kxh5 Rc3 37. Kg6 Rxc5 38. Nf5 Ke8 39. Kxf6 Rc6+ 40. Rd6 Rxd6+ 41. Nxd6+ Kf8 42. h4 Kg8 43. h5 Kh7 44. Nf7 Kg8 45. h6 Kh7 46. Kg5 Kg8 47. Kg6 Kf8 48. h7 Ke7 49. h8=Q Kd7 50. Qc3 Ke6 51. Qd4 Ke7 52. Qd5 Ke8 53. Qd8# |
| ECO A20 in 2007 play it! boris the blade defeats black's deep blue by checkmate in 57 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 d5 15. Nxe7+ Qxe7 16. Qxd3 Rxa8 17. Nxd5 Nxd5 18. Qxd5 Rd8 19. Qxb5 Qe4 20. Qc5 c6 21. Be3 Rd3 22. Rfe1 Rd8 23. Bd4 Qxe1+ 24. Rxe1 h6 25. Qxc6 Rd5 26. Re8+ Kh7 27. Rh8+ Kxh8 28. Qxh6+ Kg8 29. Qxg7# |
| ECO A20 in 2007 play it! boris the blade defeats black's deep blue by checkmate in 79 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. O-O c6 11. Nf4 g5 12. Nfe2 h6 13. f4 gxf4 14. Nxf4 Be7 15. b3 O-O-O 16. d4 Ng6 17. d5 Kb8 18. dxc6 bxc6 19. Nfe2 Ne5 20. Nd4 Bh3 21. Qc2 Bxg2 22. Qxg2 Qb7 23. Bf4 Qb6 24. Rad1 Nfg4 25. Na4 Qc7 26. h3 Rc8 27. hxg4 Rhg8 28. Rfe1 Rge8 29. Kf1 Bg5 30. c5 Qd7 31. cxd6 c5 32. Rxe5 Rxe5 33. Bxe5 cxd4 34. Qe2 h5 35. Rxd4 Rc1+ 36. Kf2 f6 37. Rb4+ Ka8 38. Bc3 Qxa4 39. Qe4+ Qc6 40. Qxc6# |
| 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 Nf6 6. Nc3 Bf5 7. d3 exd3 8. exd3 Qd7 9. Nf3 Qe7+ 10. Be3 O-O-O 11. O-O h6 12. Re1 Qd7 13. Nd4 Nxd4 14. Bxd4 c5 15. Bxf6 gxf6 16. Nd5 Be6 17. Nxf6 Qe7 18. Nd5 Qd7 19. b4 Bg7 20. Rb1 Bxd5 21. Bxd5 Bc3 22. bxc5 Bxe1 23. Bxb7+ Qxb7 24. Rxb7 Kxb7 25. c6+ Kxc6 26. Qxe1 Rb8 27. Qa5 Rhf8 28. Kg2 f6 29. Qxa7 Ra8 30. Qe7 Rae8 31. Qg7 d5 32. cxd5+ Kxd5 33. Qxh6 Kd4 34. Qd2 Rh8 35. h4 Re6 36. Qf4+ Kc5 37. h5 Re2 38. h6 Rhe8 39. Qxf6 R2e6 40. Qh4 Rb8 41. h7 Ree8 42. Qc4+ Kd6 43. f4 Rbc8 44. Qd4+ Ke6 45. Kf3 Rcd8 46. Qc3 Kf7 47. d4 Rb8 48. Qa5 Kg6 49. Qa7 Kf6 50. Qd7 Rbd8 51. Qg4 Rc8 52. f5 Rc3+ 53. Kf4 Ke7 54. Qe2+ Kd7 55. Qxe8+ Kc7 56. h8=Q Kb6 57. Qf6+ Kb7 58. Qd7+ Kb8 59. Qb6+ Ka8 60. Qbb7# |
| ECO A20 in 2007 play it! boris the blade defeats black's deep blue by checkmate in 77 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 Qb5 14. Ncxb5 Bh3 15. Qxd3 Bxf1 16. Qxf1 Rab8 17. Bf3 d5 18. Nc6 Bc5+ 19. Kh1 Rb7 20. b4 a6 21. bxc5 axb5 22. cxd5 Kh8 23. Rb1 Re8 24. Ne5 Ra7 25. a3 b4 26. Rxb4 Kg8 27. Qb5 h6 28. a4 Kh7 29. Be4+ Kg8 30. Ng4 Kf8 31. Nxf6 gxf6 32. Qc6 Rxa4 33. Rxa4 h5 34. Qxc7 Kg7 35. d6 h4 36. d7 Kf8 37. dxe8=Q+ Kg7 38. Qexf7+ Kh6 39. Qg6# |
| ECO A20 in 2007 play it! boris the blade defeats black's deep blue by checkmate in 81 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. 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. Nxf5 Qxf5 19. Qe3 Nf6 20. Qf3 Qa5 21. Nc3 Re5 22. dxe5 dxe5 23. Rd1 Kb8 24. Ne4 Nxe4 25. Qxe4 Qc7 26. Qf5 Bd6 27. c5 Bxc5 28. Rd7 g6 29. Qxf7 Qb6 30. Qf6 Rf8 31. Qxe5+ Ka8 32. Kh2 Bxf2 33. Rxh7 Bd4 34. Qe7 Rb8 35. b3 Qa5 36. Rd1 Be5 37. b4 Qb5 38. Rd7 c5 39. Bxb7+ Qxb7 40. Rxb7 cxb4 41. Rxa7# |
| ECO A20 in 2007 play it! boris the blade defeats black's deep blue by checkmate in 103 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. Qa4 Kb8 18. d5 cxd5 19. Qxd7 Bxd7 20. cxd5 Be6 21. dxe6 Ng5 22. exf7 Nxf7 23. f4 g6 24. Bd5 Re8 25. Kf2 Re7 26. Nc4 h5 27. Rhe1 h4 28. g4 Nd8 29. Kg2 Re8 30. Nd4 Rxe1 31. Rxe1 a6 32. Re8 Bg7 33. Rxh8 Bxh8 34. Nf3 b5 35. Nxd6 Bxb2 36. Nxh4 Kc7 37. Ne4 Nc6 38. Nxg6 Nb4 39. Bf7 Nd3 40. f5 Ne5 41. Nxe5 Bd4 42. Nf3 Bb2 43. f6 Kd7 44. g5 Ba1 45. g6 Kd8 46. g7 a5 47. g8=Q+ Kc7 48. Qg3+ Kc6 49. Qd6+ Kb7 50. Nc5+ Ka7 51. Qc6 Bxf6 52. Qb7# |
| 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. 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 Qb5 14. cxb5 Bh3 15. Qxd3 Bxf1 16. Qxf1 Rab8 17. Bf3 Rbe8 18. Nc6 Bd8 19. Qf2 Re6 20. Qxa7 d5 21. a4 g6 22. Nxd5 Nxd5 23. Bxd5 Rd6 24. Bb3 h6 25. f5 g5 26. Nxd8 Rdxd8 27. Qxc7 Rd3 28. Ra3 Kg7 29. b6 Rdd8 30. b7 Rde8 31. Bd2 h5 32. Bb4 Rd8 33. Bxf8+ Kh7 34. Qxf7+ Kh8 35. Qxh5# |
| ECO A20 in 2007 play it! boris the blade defeats black's deep blue by checkmate in 81 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 Nxf4 14. Bxa8 Rxa8 15. Nxf5 Qxf5 16. Rxf4 Qe5 17. Nd5 Nxd5 18. Qxd5 Qxd5 19. cxd5 Rb8 20. Rc4 Bd8 21. a4 Rb3 22. Kf2 f5 23. Rc3 Rb4 24. Rc2 g5 25. Bd2 Rd4 26. Be3 Rxd5 27. Bxa7 Bf6 28. Rxc7 Bxb2 29. Re1 Rd2+ 30. Re2 Rxe2+ 31. Kxe2 Be5 32. a5 f4 33. gxf4 gxf4 34. Bb8 f3+ 35. Kxf3 Bxh2 36. a6 Bg1 37. Ba7 Bh2 38. Bd4 d5 39. Rg7+ Kf8 40. a7 Bg1 41. a8=Q# |
| ECO A20 in 2007 play it! boris the blade defeats black's deep blue by checkmate in 81 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 Na6 18. Nxe7+ Qxe7 19. Nxd5 Nxd5 20. Bxd5 c6 21. Re1 Qf6 22. Bf3 c5 23. Qa4 Rcd8 24. Re5 h6 25. Bd5 Kh8 26. Be3 Qb6 27. b4 Kg8 28. Re1 g6 29. Re7 Qf6 30. Rxa7 Qf5 31. Qxa6 Rde8 32. Qb5 Rxe3 33. Rxe3 Qb1+ 34. Kf2 Qb2+ 35. Kf3 cxb4 36. Bxf7+ Kh8 37. Qxb4 Qxb4 38. axb4 g5 39. Bd5 Rd8 40. Ree7 Rd6 41. Re8# |
| ECO A20 in 2007 play it! boris the blade defeats black's deep blue by checkmate in 75 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 O-O 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. Qb3 Qe7 26. Rae1 Kg8 27. Ne4 Nxe4 28. Bxe4 Qd6 29. Nc4 Re6 30. Nxd6 Rxd6 31. Qc3 f6 32. Bxg6 Kg7 33. Re7+ Kf8 34. Re6 Bd4 35. Qxd4 Nd7 36. Rxd6 Nb8 37. Qxf6+ Kg8 38. Qf7# |
| ECO A20 in 2007 play it! boris the blade defeats black's deep blue by checkmate in 71 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. Qd4 Bg4 24. Bxg4 Nxg4 25. Re1 Rb8 26. Re7 Qa5 27. Qd5 Qb6+ 28. c5 Qxc5+ 29. Qxc5 dxc5 30. Rxc7 a6 31. h3 Ne3 32. Rxc5 Rd8 33. Rc6 Nd1 34. Nxd1 Rd4 35. Rc8+ Rd8 36. Rxd8# |
| 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. O-O Ne5 11. f4 Nxd3 12. Nd4 Qd7 13. Bxb7 Qe6 14. Nxe6 fxe6 15. Bxa8 Rxa8 16. Qe2 c6 17. b3 d5 18. Be3 Ng4 19. Na4 Nxe3 20. Qxe3 Be4 21. Rad1 Nb4 22. Nc5 Nc2 23. Qf2 Bf5 24. Nxe6 Bxe6 25. Qxc2 Bc5+ 26. Kg2 d4 27. Qe2 Bf7 28. Qe4 Rd8 29. Qxc6 Bb6 30. Rfe1 Kf8 31. Qe4 Kg8 32. Qf3 Rd7 33. Qc6 Rd8 34. Re7 h6 35. Rxf7 Kxf7 36. c5 Ba5 37. b4 Bxb4 38. Qb7+ Kf6 39. Qxb4 g6 40. Rxd4 Rxd4 41. Qxd4+ Ke6 42. c6 g5 43. c7 gxf4 44. c8=Q+ Kf7 45. Qc7+ Kg6 46. Qdxf4 a5 47. Qcf7# |
| ECO A20 in 2007 play it! boris the blade defeats black's deep blue by checkmate in 125 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 c6 11. Qb3 Bxd3 12. Qxb7 Qc8 13. Qxc8+ Rxc8 14. b3 O-O 15. Rd1 Bc2 16. Rd2 Bf5 17. Nd4 Bd7 18. Re2 Rfe8 19. Bf4 Nd3 20. Bg5 h6 21. Bd2 Ng4 22. Rf1 a6 23. h3 Nge5 24. f4 Ng6 25. Re3 Nc5 26. Kh2 Bf6 27. Rxe8+ Bxe8 28. Nf5 Rd8 29. b4 Ne6 30. Ne4 Be7 31. Nxe7+ Nxe7 32. f5 Nd4 33. f6 Nef5 34. fxg7 d5 35. cxd5 cxd5 36. Nc5 Nxg7 37. Bxh6 Bb5 38. Rf6 Nge6 39. a3 Bc4 40. h4 Re8 41. Nd7 Rc8 42. Ne5 Rc7 43. Bh3 Re7 44. Nxf7 Rxf7 45. Rxe6 Kh7 46. Rd6 Rf2+ 47. Kh1 Rf3 48. Bf4 Rxa3 49. Bd7 Bd3 50. Kg2 a5 51. bxa5 Rxa5 52. Be5 Ra2+ 53. Kh3 Nf5 54. Rf6 Ne3 55. h5 Re2 56. Rf7+ Kg8 57. Be6 Bf5+ 58. Rxf5+ Kh7 59. Rf7+ Kh6 60. Bf4+ Kxh5 61. Rg7 Rh2+ 62. Kxh2 Nc2 63. Bg4# |
| 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. 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 Qb5 14. Ncxb5 Bh3 15. Qxd3 Bxf1 16. Qxf1 Rab8 17. Bf3 d5 18. Nc6 Bc5+ 19. Kh1 Rb7 20. b4 a6 21. bxc5 axb5 22. Ne7+ Kh8 23. Nxd5 Nxd5 24. Bxd5 Rbb8 25. cxb5 Rbd8 26. Qc4 f6 27. b6 cxb6 28. cxb6 Rc8 29. Qb4 Rcd8 30. b7 Rfe8 31. Bb2 h6 32. Re1 Rxe1+ 33. Qxe1 g6 34. Bxf6+ Kh7 35. Qe7# |
| 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 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 Re8 17. d5 Be4 18. Bxe4 Rxe4 19. dxc6 Qxc6 20. Nd5 Kb8 21. Qd3 Ka8 22. b4 Re5 23. f4 Rh5 24. g4 Nxg4 25. Qf3 f5 26. Ng3 Rh4 27. Nxf5 Ne5 28. Qe4 Rh5 29. fxe5 dxe5 30. Ke2 Qc8 31. Nfe3 g6 32. Rcf1 Bd6 33. c5 Bb8 34. Rf7 Qc6 35. Kd2 Qa6 36. Kc1 Rc8 37. Kb1 Rc6 38. Rh2 Qa4 39. Rd7 Qa6 40. Re7 Qa4 41. Rf2 Rg5 42. Rf8 Qxb4+ 43. Qxb4 Rg1+ 44. Kc2 Rc1+ 45. Kxc1 b5 46. Qe4 g5 47. Nf4 g4 48. Qxc6# |
| ECO A20 in 2007 play it! boris the blade defeats black's deep blue by checkmate in 101 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 Bg6 13. Bxb7 Rb8 14. Nc6 Qd7 15. Nd5 Nxd5 16. Nxb8 Rxb8 17. Bxd5 Bf6 18. Qf3 Bd4+ 19. Be3 Nxf4 20. Bxd4 Nxd5 21. cxd5 f6 22. Qa3 Rb7 23. Qa6 Qb5 24. Qxb5 Rxb5 25. a4 Rxd5 26. Bxa7 Be4 27. Kf2 Rh5 28. Ke3 Bd5 29. h4 Re5+ 30. Kd3 Bg2 31. Rfe1 Rd5+ 32. Kc4 Ra5 33. Be3 c5 34. Red1 d5+ 35. Rxd5 Bxd5+ 36. Kxd5 g6 37. Bxc5 Kf7 38. b4 Ra8 39. b5 Rd8+ 40. Bd6 g5 41. b6 Rc8 42. b7 Re8 43. Rc1 gxh4 44. gxh4 f5 45. Rc8 Re2 46. b8=Q Kg6 47. Rc2 Kh5 48. Rxe2 h6 49. Qe8+ Kxh4 50. Qg6 Kh3 51. Qh5# |
| 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 Qd7 9. Nge2 Ne5 10. d4 Nd3+ 11. Kf1 Nxc1 12. Nxc1 c6 13. Qa4 Be7 14. d5 c5 15. Qxd7+ Kxd7 16. N1e2 Rhe8 17. a3 Ng4 18. Ne4 Bd8 19. N2c3 Ba5 20. b3 Bxe4 21. Nxe4 f5 22. Ng5 Bc3 23. Rd1 Bd4 24. Rd2 Bc3 25. Rd1 Bd4 26. Rd2 Bc3 27. Re2 Rxe2 28. Kxe2 Re8+ 29. Ne6 g6 30. h3 Nf6 31. Rb1 Bd4 32. b4 b6 33. Rb3 Ne4 34. Nxd4 cxd4 35. Kd3 Nxg3 36. Bf3 Ne4 37. Rb2 b5 38. cxb5 Nc3 39. a4 Rc8 40. Kxd4 Rc7 41. Rb3 Nxa4 42. Ra3 Nb6 43. Be2 Ke7 44. Re3+ Kd7 45. Ra3 Ke7 46. f4 Kf6 47. Bd3 h6 48. Ra2 Re7 49. Rf2 Re1 50. Ra2 Rd1 51. Ra6 g5 52. Rxa7 Nxd5 53. fxg5+ hxg5 54. Kxd5 Rxd3+ 55. Kc6 Ke6 56. b6 Ra3 57. Rxa3 Ke5 58. b7 Ke4 59. b8=Q d5 60. Qe8+ Kd4 61. Qe3+ Kc4 62. Qc5# |
| ECO A20 in 2007 play it! boris the blade defeats black's deep blue by checkmate in 73 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 O-O 11. d4 Nxc4 12. b3 Nb6 13. Bxb7 Rb8 14. Bf3 d5 15. Re1 Qd7 16. Nf4 Bb4 17. Bd2 g5 18. Nh5 Nxh5 19. Bxh5 Rfe8 20. Rxe8+ Rxe8 21. a3 Be7 22. Qf3 g4 23. Qf4 Rb8 24. f3 gxf3 25. Bxf3 Kh8 26. Rf1 Bd6 27. Qg5 Be7 28. Qe3 Bh3 29. Rf2 Re8 30. Qf4 Bf8 31. Bh5 Bg7 32. Bxf7 Rf8 33. Ne2 Bg4 34. Bb4 Qe8 35. Bxf8 Qb5 36. Qxg4 Qxe2 37. Bxg7# |
| ECO A20 in 2007 play it! boris the blade defeats black's deep blue by checkmate in 131 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 O-O-O 12. Nf4 Nxc1 13. Rxc1 c6 14. d5 g5 15. dxc6 bxc6 16. Nfe2 Re8 17. Qa4 Bh3 18. Nd4 Bxg2+ 19. Kxg2 c5 20. Ndb5 Kb8 21. Qa6 Qb7+ 22. Qxb7+ Kxb7 23. Rcd1 Re6 24. h4 g4 25. Rhe1 Rxe1 26. Rxe1 a6 27. Na3 Kc6 28. Nc2 Bg7 29. f3 gxf3+ 30. Kxf3 Nd7 31. Ne3 Ne5+ 32. Kg2 Nd3 33. Rf1 Nxb2 34. Ncd1 Nxd1 35. Nxd1 f6 36. Ne3 Rb8 37. Rf2 Rb4 38. Re2 Bf8 39. g4 Bh6 40. a3 Ra4 41. Nf5 Bc1 42. Ne7+ Kb6 43. Nd5+ Ka5 44. Rc2 Bxa3 45. Nxf6 Kb4 46. Nd5+ Kb3 47. Rc3+ Kb2 48. Kf3 Bb4 49. Re3 Ra3 50. g5 Be1 51. h5 Rxe3+ 52. Kxe3 Bg3 53. g6 hxg6 54. hxg6 Bf4+ 55. Kxf4 Kb3 56. g7 Kxc4 57. g8=Q Kd4 58. Ne3 Kc3 59. Qc4+ Kb2 60. Qxa6 Kb3 61. Qxd6 c4 62. Ke4 Ka4 63. Kd4 Kb5 64. Kc3 Ka5 65. Kxc4 Ka4 66. Qb4# |