| ECO A20 in 2007 play it! ziegler z defeats black's boris the blade by checkmate in 75 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. d3 Be7 5. Nc3 Nf6 6. Bg5 h6 7. Bd2 O-O 8. Nf3 Bg4 9. h3 Bd7 10. Qb3 Qc8 11. O-O-O a5 12. Kb1 Ra6 13. Be3 Re8 14. Nd2 Bf5 15. Qb5 Be6 16. b3 a4 17. bxa4 Ra5 18. Qb3 Bd7 19. f4 b6 20. Nde4 Nd4 21. Qb2 Nxe4 22. dxe4 Bf6 23. Nd5 Bxa4 24. Nxf6+ gxf6 25. Rc1 Ne6 26. f5 Ng5 27. h4 Kg7 28. hxg5 fxg5 29. f6+ Kg6 30. Bf3 Qe6 31. Bh5+ Kh7 32. Bxg5 Rd8 33. Bf3 Rc5 34. Rxh6+ Kg8 35. Rch1 Bc2+ 36. Qxc2 Qxf6 37. Bxf6 Rd7 38. Rh8# |
| ECO A20 in 2007 play it! ziegler z defeats black's boris the blade by checkmate in 67 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. d3 Be7 5. Nc3 Nf6 6. Bxc6+ bxc6 7. Nf3 Bg4 8. d4 O-O 9. dxe5 Nd7 10. exd6 cxd6 11. Be3 Rb8 12. Nd4 Rxb2 13. Nxc6 Rxa2 14. Nxd8 Rxa1 15. Qxa1 Bxd8 16. Qxa7 Ne5 17. Qa6 Be6 18. Nd5 Re8 19. f4 Nxc4 20. Qc6 Re7 21. Nxe7+ Bxe7 22. Bd4 d5 23. Qe8+ Bf8 24. Bc5 h6 25. Qxf8+ Kh7 26. Rf1 Bh3 27. Rf2 Kg6 28. Qg8 Be6 29. Bd4 Kf5 30. Qxg7 h5 31. Bf6 Ke4 32. f5 Nb6 33. Rf4+ Ke3 34. Bd4# |
| ECO A20 in 2007 play it! ziegler z defeats black's boris the blade by checkmate in 131 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. d3 Be7 5. Nc3 Nf6 6. Bxc6+ bxc6 7. Nf3 Bg4 8. d4 Bxf3 9. exf3 exd4 10. Qxd4 O-O 11. O-O Re8 12. Be3 c5 13. Qf4 Rb8 14. b3 Qc8 15. Rae1 Qh3 16. g4 g6 17. Qg3 Qxg3+ 18. fxg3 c6 19. Bf4 a6 20. Rxe7 Rxe7 21. Bxd6 Rbe8 22. Bxe7 Rxe7 23. Kf2 h6 24. h4 Re5 25. Rd1 Kg7 26. Rd6 Re6 27. Rxe6 fxe6 28. g5 hxg5 29. hxg5 Nd7 30. Ne4 Kf7 31. Ke3 e5 32. Kd3 Ke6 33. a3 Ke7 34. g4 Kf7 35. Ke3 Ke7 36. Kd2 Ke6 37. Kc3 Ke7 38. Kc2 Nf8 39. Nxc5 a5 40. Nb7 a4 41. bxa4 Ne6 42. Kd3 Nxg5 43. Ke3 Nf7 44. a5 Kd7 45. a6 Kc7 46. c5 Kb8 47. Nd6 Ng5 48. Nc4 Nf7 49. a4 Ka7 50. Ke4 Ng5+ 51. Kxe5 Nxf3+ 52. Kd6 Nd4 53. Ne5 Kxa6 54. Nxg6 Ne2 55. Kxc6 Nc3 56. Ne5 Ne4 57. Nc4 Ng5 58. Kc7 Ne6+ 59. Kd6 Ng5 60. c6 Ne4+ 61. Ke5 Nc3 62. g5 Ka7 63. g6 Kb8 64. g7 Kc7 65. g8=Q Kxc6 66. Qc8# |
| ECO A20 in 2007 play it! ziegler z defeats black's boris the blade in 109 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. d3 Be7 5. Nc3 Nf6 6. Bg5 h6 7. Bd2 O-O 8. Nf3 Bg4 9. h3 Bd7 10. O-O Qc8 11. h4 Bh3 12. Nd5 Nxd5 13. cxd5 Nd8 14. Rc1 c6 15. dxc6 bxc6 16. Qb3 Bxg2 17. Kxg2 Ne6 18. Qa4 Nc5 19. Rxc5 dxc5 20. Nxe5 Qe6 21. Bc3 Bf6 22. Qxc6 Qxa2 23. Nd7 Bxc3 24. Nxf8 Rxf8 25. bxc3 Qxe2 26. Qd5 Qd2 27. Ra1 Qxc3 28. Rxa7 Qd2 29. Rc7 g6 30. Rxc5 Qe2 31. d4 Qd1 32. Rc6 Qd3 33. Rb6 h5 34. Rb7 Qe2 35. Qe5 Re8 36. Qf6 Qc4 37. Qd6 Qe2 38. Qf4 Re7 39. Rxe7 Qxe7 40. d5 f6 41. d6 Qg7 42. Qc4+ Kh7 43. Qc7 g5 44. Qxg7+ Kxg7 45. d7 gxh4 46. gxh4 Kg6 47. d8=Q Kf7 48. Qd7+ Kf8 49. f4 Kg8 50. Qe7 Kh8 51. Qxf6+ Kh7 52. Qg5 Kh8 53. Qh6+ Kg8 54. Qg6+ Kf8 55. Qf6+ |
| ECO A20 in 2007 play it! ziegler z defeats black's boris the blade by checkmate in 113 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. d3 Be7 5. Nc3 Nf6 6. Bg5 h6 7. Bd2 Bd7 8. Nd5 Nxd5 9. Bxd5 O-O 10. Nf3 Qc8 11. h4 a6 12. b3 Kh8 13. Be4 Bg4 14. a3 Re8 15. Ra2 Qb8 16. Bc3 Qa7 17. Bd5 f6 18. Bd2 Rad8 19. Ra1 Qb6 20. Ra2 Bxf3 21. Bxf3 Nd4 22. Bh5 Rf8 23. b4 f5 24. e3 Ne6 25. Bf3 c6 26. O-O d5 27. c5 Qc7 28. Bh5 a5 29. d4 axb4 30. axb4 b6 31. dxe5 Rb8 32. cxb6 Rxb6 33. Qa1 Bxb4 34. Bxb4 Rxb4 35. Rc1 c5 36. Bf3 Qc6 37. Ra6 Qe8 38. Bxd5 Nc7 39. Rd6 Nxd5 40. Rxd5 c4 41. Qa6 Ra4 42. Qd6 Kg8 43. Kf1 Qh5 44. Qe6+ Qf7 45. Qc6 Rb4 46. Rd7 Qe8 47. e6 Qc8 48. Qd5 Kh8 49. e7 g6 50. exf8=Q+ Qxf8 51. Rd8 Qxd8 52. Qxd8+ Kg7 53. Qe7+ Kg8 54. Qxb4 c3 55. Qe7 g5 56. Rxc3 f4 57. Rc8# |
| ECO A20 in 2007 play it! ziegler z defeats black's boris the blade by checkmate in 73 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. d3 Be7 5. Nc3 Nf6 6. Bxc6+ bxc6 7. Nf3 Bg4 8. d4 Bxf3 9. exf3 exd4 10. Qxd4 O-O 11. O-O Re8 12. b4 a5 13. b5 cxb5 14. cxb5 h6 15. Rd1 Qd7 16. Qc4 Rac8 17. Qa4 Qf5 18. Kg2 Ra8 19. Qc4 Ra7 20. a4 Qc2 21. Qc6 Raa8 22. Be3 Rac8 23. Rac1 Qb3 24. Bd4 Qa3 25. Re1 Kf8 26. Rb1 g5 27. Kh1 h5 28. Rbd1 Qb4 29. Rxe7 Rxe7 30. Bxf6 Re6 31. Bxg5 Kg7 32. Rc1 Qd4 33. Qd7 Rg8 34. Ne4 Qxa4 35. Rxc7 Rb8 36. Qxf7+ Kh8 37. Qg7# |
| ECO A20 in 2007 play it! ziegler z defeats black's boris the blade in 131 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. d3 Be7 5. Nc3 Nf6 6. Bg5 h6 7. Bd2 Bd7 8. Nd5 O-O 9. Nxe7+ Qxe7 10. a4 Rad8 11. b3 b6 12. Nf3 a5 13. O-O e4 14. dxe4 Nxe4 15. Qe1 Nxd2 16. Qxd2 Ne5 17. Nd4 Rde8 18. Rad1 g5 19. e4 c6 20. f3 Qf6 21. f4 gxf4 22. Qxf4 Qg6 23. Nf5 Nxc4 24. bxc4 Bxf5 25. exf5 Qg5 26. Bxc6 Re2 27. Rxd6 Qxf4 28. Rxf4 h5 29. Bf3 Rb2 30. Bxh5 Re8 31. Rd7 Re1+ 32. Rf1 Rxf1+ 33. Kxf1 f6 34. h4 Rb4 35. Rb7 Rxa4 36. Rxb6 Rxc4 37. Rxf6 a4 38. Ra6 Rc5 39. Bg6 Kg7 40. Rxa4 Rd5 41. Ke2 Rc5 42. Kf3 Kh6 43. Kg4 Rc2 44. h5 Rc6 45. Rd4 Rb6 46. Be8 Rf6 47. Bb5 Rb6 48. Bd3 Rc6 49. Be4 Rb6 50. Rc4 Rd6 51. f6 Rxf6 52. Bg6 Rd6 53. Bf5 Rb6 54. Re4 Rd6 55. Re6+ Rxe6 56. Bxe6 Kg7 57. Kg5 Kf8 58. Kf6 Ke8 59. h6 Kd8 60. h7 Kc7 61. h8=Q Kb6 62. Kg5 Kb7 63. Qc8+ Kb6 64. g4 Ka5 65. Qc5+ Ka4 66. Qd4+ |
| ECO A20 in 2007 play it! ziegler z defeats black's boris the blade by checkmate in 109 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. d3 Be7 5. Nc3 Nf6 6. Bxc6+ bxc6 7. Nf3 Bg4 8. d4 O-O 9. dxe5 Bxf3 10. exf3 dxe5 11. O-O Qxd1 12. Rxd1 Rab8 13. b3 Rfd8 14. Be3 a6 15. Ne4 h6 16. Rxd8+ Rxd8 17. a3 Nd7 18. g4 f6 19. Kg2 Kf7 20. f4 g6 21. fxe5 Nxe5 22. h3 Rd3 23. Rb1 f5 24. gxf5 gxf5 25. Ng3 Ke6 26. Nh5 Kd7 27. Nf4 Rxe3 28. Rd1+ Kc8 29. fxe3 Bxa3 30. Nd3 Nxd3 31. Rxd3 Kb7 32. Rd7 Bb4 33. Rf7 Bc3 34. Rxf5 Ka7 35. Kf3 Kb6 36. e4 Bb2 37. e5 Bd4 38. e6 Bc5 39. Rxc5 Kxc5 40. e7 Kb4 41. e8=Q Kxb3 42. Qxc6 Kc3 43. Qxc7 a5 44. Qg7+ Kxc4 45. Qxh6 Kc5 46. Qa6 Kb4 47. Qb6+ Kc3 48. Qxa5+ Kd4 49. h4 Kc4 50. h5 Kd4 51. h6 Kc4 52. h7 Kb3 53. h8=Q Kc2 54. Qac3+ Kd1 55. Qhd4# |
| ECO A20 in 2007 play it! ziegler z defeats black's boris the blade in 135 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. d3 Be7 5. Nc3 Nf6 6. Bxc6+ bxc6 7. Nf3 Bg4 8. d4 O-O 9. dxe5 Bxf3 10. exf3 dxe5 11. O-O Qd6 12. Qe2 Rfd8 13. Re1 Nd7 14. f4 f6 15. fxe5 fxe5 16. Bf4 exf4 17. Qxe7 fxg3 18. fxg3 Qd4+ 19. Kh1 Qf2 20. Re2 Qf5 21. Kg1 Qc5+ 22. Qxc5 Nxc5 23. Rf1 Rab8 24. Rf5 Nd3 25. b3 Rf8 26. Rxf8+ Kxf8 27. Re6 Nb4 28. Kf2 Kf7 29. Re2 Rd8 30. Ne4 Nd3+ 31. Ke3 Ne5 32. Nc5 Re8 33. Rf2+ Kg6 34. Kd4 Ng4 35. Rc2 Rd8+ 36. Kc3 Ne5 37. b4 h6 38. Re2 Kf5 39. h3 a5 40. bxa5 Rd1 41. g4+ Kf6 42. Re4 Rc1+ 43. Kb4 Rb1+ 44. Ka4 Ra1 45. a3 Rd1 46. a6 g6 47. a7 Rd8 48. Ka5 Ra8 49. Ka6 Rxa7+ 50. Kxa7 h5 51. Kb7 hxg4 52. hxg4 Nf7 53. Kxc7 Ne5 54. Kd6 Nf7+ 55. Kxc6 Kg5 56. a4 Kf6 57. Nd7+ Kg5 58. a5 Kh4 59. a6 Kh3 60. a7 Kg3 61. a8=Q Ng5 62. Qb8+ Kf2 63. Qh2+ Kf3 64. Qf4+ Kg2 65. Re2+ Kh3 66. Qe3+ Kxg4 67. Nf6+ Kh4 68. Qd4+ |
| ECO A20 in 2007 play it! ziegler z defeats black's boris the blade by checkmate in 95 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. d3 Be7 5. Nc3 Nf6 6. Bg5 h6 7. Bd2 O-O 8. Nf3 a5 9. Qb3 Ra7 10. Nb5 Ra6 11. d4 e4 12. Ng1 Rb6 13. Bc3 Bd7 14. d5 Nb4 15. a4 Nfxd5 16. cxd5 Bxb5 17. axb5 Nc6 18. dxc6 bxc6 19. Bxe4 Rxb5 20. Qa4 Bf6 21. Bxc6 Rc5 22. Ra3 d5 23. Bb5 Bxc3+ 24. Rxc3 Rxc3 25. bxc3 c5 26. Bc6 Qf6 27. Bxd5 Qxc3+ 28. Kf1 Rd8 29. e4 g6 30. Qb5 Kg7 31. Kg2 g5 32. Qb6 Rd7 33. Qc6 Rd8 34. Qc7 Rf8 35. Qd6 Re8 36. Qd7 Rf8 37. Nf3 a4 38. Qxa4 g4 39. Nh4 Kh7 40. Qd7 Qg7 41. Rc1 c4 42. Rxc4 Kg8 43. Nf5 Qg5 44. Bxf7+ Kh8 45. Rc6 Re8 46. Qxe8+ Kh7 47. Rxh6+ Qxh6 48. Qg8# |
| ECO A20 in 2007 play it! ziegler z defeats black's boris the blade by checkmate in 83 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. d3 Be7 5. Nc3 Nf6 6. Bg5 h6 7. Bd2 O-O 8. Nf3 Bg4 9. h3 Bd7 10. Qb3 Qc8 11. O-O-O a5 12. Kb1 Ra6 13. e4 Rb6 14. Nb5 Qb8 15. Be3 Ra6 16. d4 exd4 17. Nfxd4 Nxd4 18. Bxd4 c5 19. Bc3 Re8 20. f4 Bd8 21. Qc2 Nh5 22. Qd3 Re6 23. f5 Re7 24. Nxd6 Bc7 25. e5 b5 26. cxb5 Qc8 27. Nxc8 Bxc8 28. bxa6 Rd7 29. Qxd7 Bxd7 30. Rxd7 Bb6 31. Bxa5 Ba7 32. Rxa7 Nxg3 33. Rd7 Nxh1 34. Bxh1 Kh7 35. a7 h5 36. a8=Q Kh6 37. Qh8+ Kg5 38. Bd2+ Kh4 39. Be1+ Kg5 40. Qxg7+ Kf4 41. Bd2+ Kxf5 42. Qf6# |
| ECO A20 in 2007 play it! ziegler z defeats black's boris the blade by checkmate in 61 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. d3 Be7 5. Nc3 Nf6 6. Bg5 h6 7. Bd2 Bd7 8. Nd5 O-O 9. h4 Bg4 10. Nxe7+ Qxe7 11. a4 Rab8 12. Nf3 e4 13. dxe4 Qxe4 14. Bc3 Qxc4 15. Bxf6 gxf6 16. Ra3 Rbe8 17. Rc3 Qe4 18. Rf1 Nb4 19. Qd2 b6 20. h5 d5 21. Kd1 Na2 22. Rd3 Bxf3 23. Bxf3 b5 24. Bxe4 dxe4 25. Rd7 e3 26. fxe3 bxa4 27. Rxf6 Re6 28. Rxe6 fxe6 29. Qd4 Rf1+ 30. Kd2 Rf8 31. Qg7# |
| ECO A20 in 2007 play it! ziegler z defeats black's boris the blade by checkmate in 99 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. d3 Be7 5. Nc3 Nf6 6. Bg5 h6 7. Bd2 Bd7 8. Nd5 O-O 9. h4 Nxd5 10. Bxd5 Qb8 11. Nf3 Kh8 12. a3 a6 13. Be4 Bg4 14. Qa4 Bxf3 15. Bxf3 Nd4 16. Be4 c6 17. e3 f5 18. Bg2 Ne6 19. O-O b5 20. Qc2 Rc8 21. cxb5 axb5 22. Bh3 g6 23. Bb4 c5 24. Bd2 d5 25. Bg2 Rd8 26. e4 Nd4 27. Qd1 h5 28. exd5 Ra7 29. Re1 Kg7 30. Rc1 Kh7 31. Kh2 Qd6 32. Be3 Rda8 33. Bxd4 cxd4 34. Rc6 Qb8 35. Qc1 b4 36. Re6 bxa3 37. bxa3 Qc8 38. Qxc8 Rxc8 39. d6 Bd8 40. R1xe5 Rxa3 41. Re8 Rb3 42. d7 Rcb8 43. Rc5 Kh6 44. Rc8 Rxd3 45. Rexd8 Rb2 46. Rh8+ Kg7 47. Rcg8+ Kf7 48. Bd5+ Kf6 49. d8=Q+ Ke5 50. Re8# |
| ECO A20 in 2007 play it! ziegler z defeats black's boris the blade by checkmate in 59 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. d3 Be7 5. Nc3 Nf6 6. Bxc6+ bxc6 7. Nf3 Bg4 8. d4 O-O 9. dxe5 Bxf3 10. exf3 dxe5 11. Qe2 Bb4 12. Be3 Bxc3+ 13. bxc3 Qd6 14. Rb1 Rfd8 15. Rb7 Rab8 16. Rxb8 Rxb8 17. O-O Qa3 18. Qc2 Rb2 19. Qf5 Rxa2 20. Qxe5 Qd6 21. Qf5 Qe6 22. Qb1 Re2 23. Qb8+ Qe8 24. Qxa7 Qc8 25. Rb1 Rxf2 26. Rb8 Qf8 27. Rxf8+ Kxf8 28. Bc5+ Ke8 29. Qxc7 h5 30. Qe7# |
| ECO A20 in 2007 play it! ziegler z defeats black's boris the blade by checkmate in 71 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. d3 Be7 5. Nc3 Nf6 6. Bg5 h6 7. Bd2 O-O 8. Nf3 Bg4 9. h3 Bd7 10. O-O Qc8 11. g4 g5 12. e3 a5 13. Rc1 Re8 14. Qe2 Ra6 15. b3 b6 16. Rfe1 Qb7 17. Nd5 a4 18. Nxe7+ Rxe7 19. b4 b5 20. d4 bxc4 21. dxe5 dxe5 22. Qxc4 Be6 23. Qc3 Ne4 24. Qd3 Nd6 25. Rc5 e4 26. Qb1 exf3 27. Bxf3 Nb5 28. Rec1 Na3 29. Qb2 Nc4 30. R1xc4 Bxc4 31. Rxc4 f5 32. Bd5+ Kh7 33. Qf6 Nd8 34. Qxe7+ Kg6 35. Qe8+ Kh7 36. Qg8# |
| ECO A20 in 2007 play it! ziegler z defeats black's boris the blade by checkmate in 71 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. d3 Be7 5. Nc3 Nf6 6. Bg5 h6 7. Bd2 Bd7 8. Nd5 O-O 9. Nxe7+ Qxe7 10. a4 Rab8 11. Nf3 e4 12. dxe4 Nxe4 13. O-O Nxd2 14. Nxd2 Bg4 15. Be4 Nd4 16. f3 Bh3 17. Re1 g6 18. e3 Ne6 19. b4 a5 20. bxa5 Nc5 21. Qb1 Rfe8 22. Bd5 Kh7 23. f4 Bd7 24. Qc2 Ra8 25. Qb1 c6 26. Bf3 Rxa5 27. e4 Rea8 28. Bd1 f6 29. Bc2 Qe6 30. Qb2 Re8 31. Rad1 Ra6 32. f5 Nxe4 33. fxe6 Nf2 34. exd7 Kh8 35. dxe8=Q+ Kg7 36. Qxb7# |
| ECO A20 in 2007 play it! ziegler z defeats black's boris the blade by checkmate in 129 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. d3 Be7 5. Nc3 Nf6 6. Bg5 h6 7. Bd2 O-O 8. Nf3 Bg4 9. O-O Qd7 10. Qa4 Bh3 11. Rfd1 Bxg2 12. Kxg2 Rab8 13. b3 a6 14. h3 Qf5 15. Nh4 Qh5 16. Nf3 Rbe8 17. a3 Kh8 18. Rg1 Rd8 19. Rad1 Rg8 20. Rh1 Rge8 21. Rdg1 Rc8 22. Rd1 Rb8 23. Kg1 Qf5 24. h4 Rbd8 25. Rh2 Ng4 26. Rg2 Nd4 27. Nxd4 exd4 28. Nd5 c6 29. Nxe7 Rxe7 30. Qa5 Qxa5 31. Bxa5 d5 32. Bxd8 Rxe2 33. cxd5 cxd5 34. Bb6 Ne5 35. Kf1 Rc2 36. f4 Rxg2 37. Kxg2 Nc6 38. Kf3 g6 39. h5 Kg7 40. hxg6 fxg6 41. g4 h5 42. gxh5 gxh5 43. Rg1+ Kf6 44. Rg5 h4 45. Rxd5 a5 46. Rh5 Kf7 47. Rxh4 Kg7 48. Ke4 Kf6 49. Bc5 Kg6 50. Bxd4 Nxd4 51. Kxd4 Kf5 52. Rh5+ Ke6 53. Rxa5 Kd6 54. Rd5+ Ke6 55. Rb5 Kf6 56. a4 Ke7 57. Kd5 b6 58. Rxb6 Kd7 59. Rd6+ Ke7 60. a5 Ke8 61. a6 Kf7 62. a7 Kg7 63. a8=Q Kh7 64. Qb7+ Kg8 65. Rd8# |
| ECO A20 in 2007 play it! ziegler z defeats black's boris the blade by checkmate in 83 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. d3 Be7 5. Nc3 Nf6 6. Bg5 h6 7. Bd2 O-O 8. Nf3 Bg4 9. h3 Bd7 10. Qb3 Qc8 11. O-O-O a5 12. Kb1 Ra6 13. e4 Rb6 14. Nb5 Ra6 15. Nc3 Re8 16. Be3 Nb4 17. a3 Nc6 18. g4 g5 19. Rhg1 Kg7 20. Nd5 a4 21. Qc3 Kg8 22. Nxe7+ Nxe7 23. Qd2 Qd8 24. Qb4 Qb8 25. Qd2 Qd8 26. h4 Nxg4 27. hxg5 h5 28. d4 Nxe3 29. Qxe3 exd4 30. Qxd4 Nc6 31. Qd5 Ra5 32. Qd3 Bg4 33. Qc3 Rxe4 34. Nh2 Bf5 35. Bxe4 Bxe4+ 36. Ka1 Rxg5 37. f4 Rg6 38. Nf3 b6 39. Rge1 Bf5 40. Nh4 Qg5 41. Re8+ Kh7 42. Rh8# |
| ECO A20 in 2007 play it! ziegler z defeats black's boris the blade by checkmate in 107 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. d3 Be7 5. Nc3 Nf6 6. Bg5 h6 7. Bd2 O-O 8. Nf3 Bg4 9. h3 Bd7 10. O-O Qc8 11. h4 Bh3 12. Nb5 Bxg2 13. Kxg2 a6 14. Nc3 Qg4 15. e4 Rae8 16. Rh1 Nh5 17. Nd5 Rc8 18. Kg1 Nf6 19. Ne3 Qh5 20. Nf5 Kh8 21. a3 b6 22. b3 Bd8 23. Rh3 Re8 24. Rc1 Re6 25. Bc3 a5 26. Ne3 Rb8 27. Rh2 Ra8 28. Nd5 a4 29. bxa4 Ng4 30. Rh3 Ra7 31. Rb1 Nf6 32. Ne3 Be7 33. Rb5 Rb7 34. a5 Na7 35. Rb3 Nc8 36. axb6 Rxb6 37. Rb5 c6 38. Rxb6 Nxb6 39. c5 dxc5 40. Bxe5 Qg5 41. hxg5 Nbd7 42. gxf6 Bxf6 43. Bc7 Kg8 44. Nf5 Kh8 45. Qa4 Kh7 46. Bd6 Ne5 47. Bxe5 Bxe5 48. Ng5+ Kg6 49. Nxe6 fxe6 50. Qxc6 Kf6 51. Qd7 Kg5 52. f4+ Kg6 53. fxe5 exf5 54. Qxf5# |
| ECO A20 in 2007 play it! ziegler z defeats black's boris the blade by checkmate in 89 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. d3 Be7 5. Nc3 Nf6 6. Bg5 h6 7. Bd2 O-O 8. Nf3 Bg4 9. h3 Bd7 10. Qb3 Qc8 11. O-O-O a5 12. Kb1 Ra6 13. Be3 Re8 14. a3 Qb8 15. g4 b6 16. g5 a4 17. Qc2 hxg5 18. Bxg5 Kf8 19. Rhg1 Ra5 20. Bd2 Nd8 21. Nd5 Ra6 22. Nxe7 Kxe7 23. d4 Nc6 24. dxe5 Nxe5 25. Bc3 Nxf3 26. Bxf3 g6 27. Be1 Bf5 28. e4 Bxh3 29. Bc3 Nd7 30. Rg3 Be6 31. Bg7 b5 32. Be2 Rc6 33. Rd4 Nb6 34. f4 Nxc4 35. Rc3 Rg8 36. Bxc4 Rxc4 37. Rcxc4 Bxc4 38. Bh6 f6 39. e5 dxe5 40. fxe5 fxe5 41. Qe4 b4 42. Qxe5+ Be6 43. Bg5+ Kf8 44. Rf4+ Ke8 45. Qxe6# |