| ECO B21 in 2002 play it! ax 0 defeats black's yawce 01 by checkmate in 41 moves | 1. e4 c5 2. f4 e5 3. d3 d5 4. exd5 Qxd5 5. Nc3 Qe6 6. fxe5 Nc6 7. Nb5 Qxe5+ 8. Ne2 Kd7 9. c3 g5 10. d4 cxd4 11. Nxd4 g4 12. Bf4 Qd5 13. Nb5 Nb4 14. cxb4 Bxb4+ 15. Nec3 Qxd1+ 16. Rxd1+ Kc6 17. a3 Bxc3+ 18. Nxc3 Ne7 19. Rd6+ Kc7 20. Nb5+ Kb8 21. Rd1# |
| ECO B21 in 2004 play it! ax 0 defeats black's mustang in 97 moves | 1. e4 c5 2. f4 e6 3. Nf3 Nf6 4. e5 Nd5 5. d4 cxd4 6. Qxd4 Nc6 7. Qd2 Bb4 8. c3 Bc5 9. Bc4 Nb6 10. Bd3 d5 11. Qc2 h6 12. Nbd2 O-O 13. Nb3 Qe7 14. Nxc5 Qxc5 15. Qe2 Bd7 16. Be3 Qa5 17. O-O Nc8 18. a4 N8e7 19. b4 Qc7 20. Bc5 Rfe8 21. a5 Rac8 22. Rfd1 Qd8 23. Qf2 Ra8 24. Ra2 Qc7 25. Bd6 Qd8 26. g3 Kh8 27. h3 Kg8 28. a6 b6 29. Rad2 Nc8 30. b5 Na5 31. Bb4 Qc7 32. Qe2 Ne7 33. c4 Rac8 34. cxd5 exd5 35. g4 Nb3 36. Rc2 Qb8 37. Qf2 Qa8 38. f5 Kh8 39. e6 Bxe6 40. fxe6 fxe6 41. Rxc8 Qxc8 42. Ne5 Qb8 43. Bd6 Rf8 44. Nf7+ Rxf7 45. Qxf7 Qg8 46. Qxe7 Nc5 47. Bxc5 bxc5 48. Rf1 c4 49. Bg6 |
| ECO B21 in 2003 play it! ax 0 defeats black's chessterfieldcl by checkmate in 77 moves | 1. e4 c5 2. f4 e5 3. d3 d6 4. Nc3 Nc6 5. Be2 Qh4+ 6. g3 Qd8 7. Be3 Nf6 8. Nf3 Be7 9. Qd2 O-O 10. O-O-O Ng4 11. f5 g6 12. fxg6 hxg6 13. h4 Nd4 14. Nd5 Be6 15. Nxd4 exd4 16. Bg1 Bxd5 17. exd5 Ne5 18. Bf2 f5 19. c3 dxc3 20. bxc3 Qa5 21. c4 Qa3+ 22. Kb1 Rfb8 23. d4 cxd4 24. Bxd4 Bd8 25. h5 Bf6 26. hxg6 Qxg3 27. Rdg1 Qa3 28. Qh6 Qb4+ 29. Ka1 Bg7 30. Qh7+ Kf8 31. Rg5 Re8 32. Rxf5+ Ke7 33. Rf7+ Kd8 34. Qxg7 Nxg6 35. Qxg6 a5 36. Qf6+ Kc8 37. Qe6+ Rxe6 38. Rh8+ Re8 39. Rxe8# |
| ECO B21 in 2005 play it! ax 0 defeats black's ssechess 0 by checkmate in 123 moves | 1. e4 c5 2. f4 g6 3. Nc3 Bg7 4. Nf3 Nc6 5. Bb5 Nd4 6. Bd3 Nxf3+ 7. Qxf3 Nh6 8. e5 O-O 9. Be4 d6 10. Bxb7 Bxb7 11. Qxb7 dxe5 12. fxe5 Bxe5 13. Ne4 Ng4 14. h3 Rb8 15. Qxa7 Rb4 16. hxg4 Rxe4+ 17. Kd1 c4 18. Qf2 Rxg4 19. Qe2 Qd4 20. c3 Qf4 21. Rh3 Qf5 22. Rf3 Qg5 23. d4 cxd3 24. Rxd3 Qh5 25. Kc2 Bg7 26. Be3 e5 27. a4 Qf5 28. Qf3 Qe6 29. Rd2 Rb8 30. Ba7 e4 31. Qxg4 Qxg4 32. Bxb8 Bf6 33. Re1 e3 34. Rxe3 Qxa4+ 35. Kb1 Qb5 36. Bg3 Qf5+ 37. Rc2 Qd5 38. Re1 h6 39. c4 Qg5 40. Bd6 Qh4 41. g3 Qd4 42. c5 Qb4 43. Re8+ Kh7 44. Bf4 Bg5 45. Bxg5 hxg5 46. c6 Qd6 47. Re3 Qd1+ 48. Rc1 Qg4 49. Rec3 f6 50. c7 Qc8 51. Rd1 Kh6 52. Kc1 Qa6 53. c8=Q Qxc8 54. Rxc8 f5 55. b4 Kg7 56. b5 f4 57. b6 fxg3 58. b7 Kh6 59. b8=Q Kh5 60. Qe5 g2 61. Rc4 Kh6 62. Qh8# |
| ECO B21 in 2003 play it! ax 0 defeats black's mustang in 107 moves | 1. e4 c5 2. f4 d5 3. e5 Bf5 4. Nf3 Nc6 5. Bb5 Qb6 6. a4 Bg4 7. Nc3 e6 8. a5 Qc7 9. a6 b6 10. O-O Ne7 11. Be2 Ng6 12. Nb5 Qd7 13. h3 Bxf3 14. Rxf3 Rc8 15. b3 Be7 16. Bb2 O-O 17. d4 Nh4 18. Rf2 Nf5 19. c3 Na5 20. dxc5 Bxc5 21. Nd4 Ne3 22. Qd3 Nf5 23. g4 Nxb3 24. Raf1 Ne7 25. Nxb3 Bxf2+ 26. Rxf2 f6 27. Qb5 Nc6 28. exf6 gxf6 29. c4 Qd6 30. cxd5 exd5 31. Qd3 Nb4 32. Qf5 Nc6 33. Bd3 Rc7 34. Re2 Nd8 35. Bb5 Rcf7 36. Re3 h6 37. Nd4 Qb4 38. Re2 Qc5 39. Qg6+ Kh8 40. Re3 Qb4 41. Qxh6+ Kg8 42. Re2 Qc5 43. Qg6+ Kh8 44. Bd3 Rg7 45. Qh6+ Kg8 46. Rc2 Qe7 47. Nf5 Qf7 48. Nxg7 Qxg7 49. Qh5 Qf7 50. Qf5 Re8 51. Rc8 Rf8 52. Bxf6 Ne6 53. Rc6 Re8 54. Rxe6 |
| ECO B21 in 2004 play it! ax 0 defeats black's sunsetter c10 by checkmate in 121 moves | 1. e4 c5 2. f4 Nf6 3. e5 Nd5 4. d3 d6 5. c4 Nb4 6. Nf3 dxe5 7. Nxe5 f6 8. Qa4+ N8c6 9. Nxc6 Nxc6 10. Nc3 e6 11. Be3 f5 12. O-O-O Bd6 13. d4 cxd4 14. Rxd4 O-O 15. Rd1 Qe7 16. Qc2 Bb8 17. Qf2 Rd8 18. Rxd8+ Qxd8 19. c5 e5 20. Bc4+ Kh8 21. Re1 e4 22. g4 Bc7 23. Rd1 Qe8 24. Nb5 Bb8 25. gxf5 Bxf5 26. Nd6 Bxd6 27. cxd6 Na5 28. Bf1 Qa4 29. b3 Nxb3+ 30. Kb1 Bg4 31. Be2 Be6 32. d7 Bxd7 33. Rxd7 Qxd7 34. axb3 a5 35. Qe1 a4 36. Qb4 a3 37. Ka2 Qc6 38. Bc4 Qh6 39. Qd2 Qf6 40. Qf2 Rc8 41. Bd4 Qf8 42. f5 e3 43. Qf4 Rc6 44. Qxe3 h6 45. Bd5 Rc2+ 46. Ka1 Rxh2 47. f6 gxf6 48. Qf3 Kh7 49. Be4+ Kg8 50. Qg4+ Qg7 51. Bd5+ Kh7 52. Qe4+ Qg6 53. Qe7+ Qg7 54. Be4+ Kg8 55. Qe8+ Qf8 56. Qg6+ Qg7 57. Bd5+ Kh8 58. Qe8+ Kh7 59. Be4+ Qg6 60. Qxg6+ Kh8 61. Bxf6# |
| ECO B21 in 2004 play it! ax 0 defeats black's ranita by checkmate in 79 moves | 1. e4 c5 2. f4 d5 3. exd5 Qxd5 4. Nc3 Qe6+ 5. Be2 Qg6 6. Bf3 Nc6 7. Nb5 Rb8 8. d3 Nf6 9. Qe2 Bd7 10. f5 Bxf5 11. Bf4 Rd8 12. Bxc6+ bxc6 13. Nc7+ Kd7 14. Nf3 Qh5 15. Ne5+ Kc8 16. Nxc6 Qxe2+ 17. Kxe2 Rd7 18. Nxa7+ Kb7 19. Ncb5 e5 20. Bg3 e4 21. dxe4 Bxe4 22. Rhd1 Bxg2 23. Rxd7+ Nxd7 24. a4 c4 25. Bf2 f5 26. a5 f4 27. a6+ Kb8 28. Rd1 f3+ 29. Ke1 Bb4+ 30. c3 Re8+ 31. Kd2 Re2+ 32. Kc1 Rxf2 33. Rxd7 Rf1+ 34. Kc2 Rf2+ 35. Kb1 Ba5 36. Rb7+ Ka8 37. Nc6 Rf1+ 38. Ka2 Ra1+ 39. Kxa1 f2 40. Rb8# |
| ECO B21 in 2002 play it! ax 0 defeats black's enginmax 11c in 72 moves | 1. e4 c5 2. f4 Nc6 3. Nf3 g6 4. d4 cxd4 5. Nxd4 Nf6 6. e5 Nd5 7. c4 Ndb4 8. a3 Na6 9. b4 Nxd4 10. Qxd4 Bg7 11. Nd2 O-O 12. c5 d6 13. Bxa6 bxa6 14. Bb2 Bb7 15. O-O dxe5 16. Qf2 f6 17. fxe5 fxe5 18. Qe2 Rxf1+ 19. Nxf1 Qd5 20. Ne3 Qe6 21. Ng4 e4 22. Bxg7 h5 23. Bh6 hxg4 24. Rc1 Kh7 25. Be3 g3 26. hxg3 Rc8 27. Qf1 Bd5 28. Qf4 Kg8 29. Qh6 Bb7 30. Rf1 Qe5 31. Qxg6+ Qg7 32. Qe6+ Kh8 33. Rf4 Qf6 34. Rxf6 exf6 35. Qxf6+ Kg8 36. Bh6 Rc7 |
| ECO B21 in 2005 play it! ax 0 defeats black's bodo 0e by checkmate in 53 moves | 1. e4 c5 2. f4 Nc6 3. Nf3 e6 4. Bb5 a6 5. Bxc6 dxc6 6. Nc3 Nf6 7. d3 Be7 8. Be3 Ng4 9. Qe2 Nxe3 10. Qxe3 O-O 11. h4 Qa5 12. O-O-O Rd8 13. e5 Qb4 14. h5 Bf8 15. a3 Qb6 16. Ne4 h6 17. g4 Qb5 18. g5 Kh8 19. gxh6 gxh6 20. Rhg1 Bg7 21. f5 Ra7 22. Rxg7 Kxg7 23. Rg1+ Kf8 24. Qxh6+ Ke7 25. Qf6+ Ke8 26. Rg8+ Kd7 27. Qxd8# |
| ECO B21 in 2005 play it! ax 0 defeats black's matheus in 78 moves | 1. e4 c5 2. f4 g6 3. Nc3 Nc6 4. Nf3 Bg7 5. Bb5 a6 6. Bxc6 dxc6 7. d3 Bg4 8. Bd2 Bd4 9. h3 Bxf3 10. Qxf3 Nh6 11. O-O-O Qa5 12. g4 Ng8 13. h4 h5 14. g5 e6 15. f5 gxf5 16. exf5 exf5 17. Rde1+ Kf8 18. Qxf5 b5 19. Qd7 Qd8 20. Qxc6 Ne7 21. Rxe7 Kxe7 22. Qb7+ Ke8 23. g6 fxg6 24. Re1+ Kf8 25. Rf1+ Bf6 26. Nd5 Ra7 27. Rxf6+ Qxf6 28. Qb8+ Kg7 29. Qxa7+ Qf7 30. Bc3+ Kg8 31. Qa8+ Qf8 32. Nf6+ Kg7 33. Nd7+ Kf7 34. Qd5+ Ke7 35. Nxf8 Rxf8 36. Qxc5+ Kf7 37. Qd5+ Ke7 38. Bb4+ Kf6 39. Bxf8 a5 |
| ECO B21 in 2003 play it! ax 0 defeats black's chessterfieldcl by checkmate in 63 moves | 1. e4 c5 2. f4 e5 3. d3 d6 4. Nf3 Nc6 5. Nc3 Bg4 6. Be2 Bxf3 7. Bxf3 Nf6 8. g4 Nd4 9. g5 Ng8 10. h4 h6 11. Be3 exf4 12. Bxf4 Be7 13. Rg1 hxg5 14. hxg5 Qb6 15. b3 c4 16. Rg4 Qb4 17. Bd2 cxd3 18. cxd3 Qc5 19. Rc1 Qa3 20. e5 dxe5 21. Rxd4 exd4 22. Nb5 Qxa2 23. Nc7+ Kd8 24. Nxa8 Rh2 25. Rc8+ Kxc8 26. Qc1+ Qc2 27. Qxc2+ Bc5 28. Qxc5+ Kd7 29. Qxd4+ Kc8 30. Bg4+ f5 31. Bxf5+ Kb8 32. Qd8# |
| ECO B21 in 2005 play it! ax 0 defeats black's blackbishop 0i by checkmate in 123 moves | 1. e4 c5 2. f4 g6 3. Nf3 Bg7 4. d4 cxd4 5. Nxd4 Qb6 6. Nb5 Nf6 7. e5 Ne4 8. Qf3 f5 9. N1c3 Qa5 10. b4 Qxb4 11. Nc7+ Kd8 12. Nxa8 Nxc3 13. a3 Qe4+ 14. Qxe4 Nxe4 15. a4 Nc6 16. Bb5 Nb4 17. O-O Nxc2 18. Ra2 Nb4 19. Rb2 Nd5 20. Bd3 b6 21. a5 Nc5 22. Bc4 Bb7 23. axb6 Bxa8 24. bxa7 Kc7 25. Rb5 Kc6 26. Ra5 d6 27. Bxd5+ Kxd5 28. Ba3 Rc8 29. Rb1 h6 30. Rb8 Rh8 31. Bxc5 dxc5 32. Ra6 c4 33. Kf2 c3 34. Ke2 c2 35. Kd2 e6 36. Rd6+ Kc4 37. Rxe6 Bf8 38. Kxc2 Bxg2 39. Ra6 Kd4 40. Kd2 Ba8 41. Ke2 Bg2 42. Rxg6 Bd5 43. Ra6 Kc3 44. Rc8+ Bc5 45. Rxh8 Bc4+ 46. Kf3 Bd5+ 47. Kg3 Be4 48. Rhxh6 Kb4 49. a8=Q Bxa8 50. Rxa8 Kb5 51. Rb8+ Kc4 52. Rc8 Kd5 53. Rxc5+ Kxc5 54. Rd6 Kc4 55. e6 Kc5 56. Rd8 Kc6 57. e7 Kb5 58. e8=Q+ Kc5 59. Qe5+ Kb4 60. Qc7 Ka4 61. Rb8 Ka3 62. Qa5# |
| ECO B21 in 2005 play it! ax 0 defeats black's janwillem 11 by checkmate in 109 moves | 1. e4 c5 2. f4 g6 3. Nc3 Bg7 4. Bb5 a6 5. Be2 e6 6. e5 d6 7. d4 cxd4 8. Qxd4 dxe5 9. Qxd8+ Kxd8 10. fxe5 Bxe5 11. Bd2 Nc6 12. Nf3 Bc7 13. O-O-O Ke8 14. Rhe1 Nf6 15. Bd3 Nb4 16. Bc4 b5 17. Bg5 Nd7 18. Bxe6 fxe6 19. Rxe6+ Kf7 20. Re7+ Kg8 21. Bh6 Bf4+ 22. Bxf4 Nc6 23. Re6 Ndb8 24. Re8+ Kg7 25. Bh6+ Kxh6 26. Rxh8 Bg4 27. Rf1 b4 28. Ne4 Ra7 29. Nfg5 Bf5 30. Rf4 Bxe4 31. Ne6 g5 32. Rxe4 Rf7 33. h4 Rf1+ 34. Kd2 Rg1 35. hxg5+ Kg6 36. g4 Rg2+ 37. Ke3 Rg3+ 38. Ke2 Nd7 39. Rf4 Rxg4 40. Rxg4 Kf5 41. Rc4 Nce5 42. Nd4+ Ke4 43. Rxb4 a5 44. Ra4 Nb6 45. g6 Nxg6 46. Re8+ Kf4 47. Rxa5 Nc4 48. Rf5+ Kg3 49. Re4 Nd6 50. Rg5+ Kh3 51. Re3+ Kh4 52. Nf3+ Kh3 53. Ne1+ Kh4 54. Reg3 h6 55. Ng2# |
| ECO B21 in 2003 play it! ax 0 defeats black's armageddon in 123 moves | 1. e4 c5 2. f4 Nc6 3. Nf3 e6 4. Nc3 d5 5. Bb5 d4 6. Bxc6+ bxc6 7. Ne2 g6 8. d3 Bg7 9. Qd2 Nf6 10. c3 dxc3 11. Qxc3 O-O 12. e5 Nd7 13. Be3 Qb6 14. Rc1 Rb8 15. b3 Qa6 16. Rc2 f6 17. Bxc5 Nxc5 18. Qxc5 Qxd3 19. exf6 Bxf6 20. O-O Ba6 21. Rd2 Qe4 22. Re1 Rbd8 23. Qxa7 Bxe2 24. Rdxe2 Qxf4 25. Qc5 Bd4+ 26. Nxd4 Rxd4 27. Qxc6 Rd6 28. Qc3 Qf7 29. Qc4 Re8 30. a4 Qa7+ 31. Kh1 Qd7 32. a5 Rd4 33. Qc3 Rd3 34. Qb4 Qd5 35. Qa4 Rf8 36. b4 Rb3 37. a6 Qf5 38. h4 Rh3+ 39. Kg1 Rxh4 40. Qc6 Rxb4 41. a7 Qd5 42. Qxe6+ Qxe6 43. Rxe6 Ra4 44. Re7 Ra2 45. Rb7 Ra4 46. Rf1 Rc8 47. Rb8 Rxa7 48. Rxc8+ Kg7 49. Rc6 Rd7 50. g3 Kh6 51. Kg2 Kg7 52. Rff6 Re7 53. Kf3 Rb7 54. Rfe6 Rf7+ 55. Ke4 Kh6 56. Re5 Ra7 57. g4 Ra4+ 58. Kf3 Ra3+ 59. Kg2 Ra7 60. Rec5 Ra2+ 61. Kg3 Ra7 62. Rc7 |
| ECO B21 in 2003 play it! ax 0 defeats black's smallpotato 00 in 74 moves | 1. e4 c5 2. f4 d5 3. exd5 Nf6 4. c4 e6 5. dxe6 Bxe6 6. d3 Bd6 7. Nc3 O-O 8. Nf3 Nc6 9. Be2 Nh5 10. g3 Nf6 11. O-O Nd4 12. Nxd4 cxd4 13. Ne4 Nxe4 14. dxe4 Bh3 15. Re1 Qa5 16. Bd2 Qb6 17. Qb3 Qxb3 18. axb3 Bc5 19. b4 Bb6 20. c5 Bc7 21. b5 Be6 22. Bd3 f6 23. Ra4 b6 24. b4 Bb3 25. Ra6 Rfd8 26. Rea1 bxc5 27. bxc5 Rac8 28. Rxa7 Bb8 29. R7a3 Bf7 30. Rc1 Rf8 31. b6 Rce8 32. Ra4 Bg6 33. Rxd4 f5 34. exf5 Rd8 35. Bc3 Rxd4 36. Bxd4 Bxf5 37. Bxf5 Rxf5 |
| ECO B21 in 2005 play it! ax 0 defeats black's ladameblanche 0c by checkmate in 129 moves | 1. e4 c5 2. f4 d5 3. exd5 Nf6 4. Nc3 Nxd5 5. Nxd5 Qxd5 6. Ne2 Nc6 7. Nc3 Qd4 8. d3 Bf5 9. Be2 O-O-O 10. Bf3 Rd6 11. g4 Bd7 12. Ne4 Rh6 13. c3 Qd5 14. Ng5 Qd6 15. Qe2 Nd8 16. f5 Qa6 17. Be3 e6 18. fxe6 Bxe6 19. Ne4 Rg6 20. Bxc5 Kb8 21. Be3 Ka8 22. h4 Bd5 23. a3 Qa4 24. c4 Bxe4 25. Bxe4 Rf6 26. Rd1 Qa5+ 27. Rd2 Qc7 28. Kd1 Nc6 29. d4 Re6 30. Bd5 Re8 31. Qf3 Bd6 32. Rd3 Re7 33. c5 Bh2 34. Bxc6 bxc6 35. Bd2 Rd8 36. Ba5 Qxa5 37. Qxc6+ Rb7 38. Rxh2 Qc7 39. Qxc7 Rxc7 40. Kd2 h5 41. g5 Rd5 42. Kc3 f5 43. gxf6 gxf6 44. Rf2 f5 45. Kc4 Rcd7 46. Rf4 Rd8 47. Rg3 R5d7 48. Rg5 Rb7 49. b4 Rh7 50. Rfxf5 Rdh8 51. b5 Kb7 52. Re5 Kb8 53. a4 Kb7 54. a5 Kb8 55. c6 Rh6 56. Re7 a6 57. Rgg7 axb5+ 58. Kxb5 Rg6 59. Rxg6 Rf8 60. Rgg7 Kc8 61. Ra7 Rf5+ 62. Kb4 Rb5+ 63. Kxb5 Kb8 64. Rgb7+ Kc8 65. Ra8# |
| ECO B21 in 2004 play it! ax 0 defeats black's sharper 01 by checkmate in 57 moves | 1. e4 c5 2. f4 e6 3. Be2 g6 4. Nf3 Bh6 5. d4 Nf6 6. Nc3 cxd4 7. Nxd4 O-O 8. e5 Ne8 9. Be3 a6 10. Qd3 Qc7 11. O-O-O f6 12. h4 fxe5 13. fxe5 Bg7 14. h5 Qxe5 15. Rh3 Rf6 16. hxg6 hxg6 17. Ne4 Rf8 18. Ng5 Rf6 19. Nh7 Rf5 20. g4 Rf7 21. Qxg6 Nf6 22. Ng5 Re7 23. Rdh1 Qxe3+ 24. Rxe3 Kf8 25. Nh7+ Nxh7 26. Rf3+ Nf6 27. Rxf6+ Bxf6 28. Qxf6+ Ke8 29. Rh8# |
| ECO B21 in 2005 play it! ax 0 defeats black's gully 1 pl10 by checkmate in 137 moves | 1. e4 c5 2. f4 e5 3. d3 exf4 4. Bxf4 Qf6 5. Qc1 Nc6 6. Nc3 d6 7. Nf3 Qd8 8. Qd2 Nf6 9. d4 Qe7 10. O-O-O Bg4 11. dxc5 dxc5 12. e5 Nh5 13. Nb5 Qd8 14. Qe3 Qb8 15. Nd6+ Bxd6 16. exd6+ Kf8 17. Bg5 h6 18. Bh4 g5 19. h3 gxh4 20. hxg4 Ng3 21. Rxh4 Nxf1 22. Qf4 Ng3 23. Qxg3 Qe8 24. d7 Qe3+ 25. Kb1 Qe6 26. Qc7 Kg7 27. Qxb7 Rad8 28. Rh5 Nb8 29. Rhd5 Qb6 30. Qxb6 axb6 31. Ne5 Kf6 32. Nc4 b5 33. Nb6 Na6 34. Rd6+ Kg7 35. a4 Nc7 36. axb5 Nxb5 37. R6d5 Rb8 38. Na4 Rhd8 39. Rxc5 Rb7 40. c3 Nc7 41. Rd6 Kf8 42. Nb6 Ne6 43. Rf5 Kg7 44. Kc2 Nf8 45. Rfd5 Rxb6 46. Rxb6 Rxd7 47. Rbd6 Rxd6 48. Rxd6 Ng6 49. b4 Ne5 50. Kb3 Kf8 51. b5 Ke7 52. Rd4 Nd7 53. Kb4 Ke6 54. Ka5 Nc5 55. b6 f6 56. Rc4 Nd7 57. b7 f5 58. gxf5+ Kxf5 59. Rc7 Ke6 60. Rxd7 Kxd7 61. b8=Q Ke6 62. c4 Kf5 63. c5 Ke4 64. c6 Kd3 65. c7 Ke2 66. Qf8 Kd2 67. c8=Q h5 68. Qf2+ Kd3 69. Qcc2# |
| ECO B21 in 2004 play it! ax 0 defeats black's kkfchess 0 by checkmate in 55 moves | 1. e4 c5 2. f4 Nc6 3. d3 d5 4. exd5 Qxd5 5. Nc3 Qe6+ 6. Nge2 Bd7 7. Be3 b6 8. Qd2 Nf6 9. a3 g6 10. O-O-O Ng4 11. Bg1 Bg7 12. d4 cxd4 13. Nxd4 Nxd4 14. Bxd4 Bxd4 15. Qxd4 Qe3+ 16. Qxe3 Nxe3 17. Re1 Nf5 18. Nd5 Kd8 19. Rd1 Rf8 20. Nf6 exf6 21. Bb5 Ne3 22. Rxd7+ Kc8 23. Re1 Nxg2 24. Ree7 Nh4 25. Rc7+ Kb8 26. Ba6 Nf3 27. Rc8+ Rxc8 28. Rb7# |
| ECO B21 in 2004 play it! ax 0 defeats black's deuterium 000 in 96 moves | 1. e4 c5 2. f4 d5 3. exd5 Qxd5 4. Nc3 Qd8 5. Bc4 Nc6 6. d3 e6 7. Nf3 Nf6 8. Ne5 Nd4 9. Be3 Bd6 10. Nb5 O-O 11. Nxd4 cxd4 12. Bxd4 Bb4+ 13. Bc3 Bxc3+ 14. bxc3 Qa5 15. Qd2 Rd8 16. O-O Ne4 17. Qe3 Nd6 18. Qe1 f6 19. Ng4 Nxc4 20. dxc4 e5 21. f5 b6 22. Rf3 Qc5+ 23. Ne3 e4 24. Rf4 Bb7 25. Rb1 Rd7 26. Rb5 Qd6 27. Rf2 Bc6 28. Rb3 Rad8 29. g4 Qc5 30. h4 Rd6 31. Rb1 Qa5 32. Ra1 R6d7 33. Rh2 Qa3 34. h5 h6 35. Re2 Bb7 36. Kh1 Rc8 37. Rd1 Rxd1 38. Qxd1 Qxa2 39. g5 hxg5 40. Qd7 Qa1+ 41. Kg2 Ba6 42. h6 gxh6 43. Qe6+ Kh7 44. Qf7+ Kh8 45. Qxf6+ Kh7 46. Qg6+ Kh8 47. f6 Rc7 48. Rd2 Qd1 |