| 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. e4 Nf6 5. Ne2 Bg4 6. f3 Be6 7. b3 g6 8. O-O Bh6 9. Nbc3 O-O 10. d4 Bxc1 11. Rxc1 Nxd4 12. Nxd4 exd4 13. Qxd4 c5 14. Qe3 Re8 15. Rfd1 a6 16. Qf4 b5 17. Rxd6 Bd5 18. Rxd8 Raxd8 19. Qxf6 Be6 20. cxb5 axb5 21. Nxb5 Rd7 22. f4 Rb8 23. Bf1 Rd2 24. f5 Re8 25. Nc7 Rf8 26. fxe6 Rd5 27. Ne8 Rxe8 28. Qxf7+ Kh8 29. Qxe8+ Kg7 30. exd5 Kf6 31. Qf7+ Ke5 32. Re1+ Kd4 33. Qg7+ Kxd5 34. Qd7# |
| ECO A20 in 2007 play it! ziegler z defeats black's boris the blade by checkmate in 69 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. e4 Nf6 5. Ne2 Be7 6. d4 exd4 7. Nxd4 Nxd4 8. Qxd4 O-O 9. O-O Nd7 10. f3 Bf6 11. Qf2 Ne5 12. Qe2 Be6 13. Na3 Re8 14. Be3 Qd7 15. b3 Bh3 16. Bxh3 Qxh3 17. Nb5 Qd7 18. Rad1 b6 19. Kh1 a5 20. Nd4 a4 21. Rg1 axb3 22. axb3 Qh3 23. Nb5 Re7 24. Bd4 Qh5 25. g4 Qh3 26. g5 Nxf3 27. gxf6 Qf5 28. Rxg7+ Kh8 29. fxe7 Nxd4 30. Nxd4 Qf4 31. Nf5 Qe5 32. Rxh7+ Kg8 33. Rg1+ Qg3 34. Rxg3+ Kxh7 35. Qh5# |
| ECO A20 in 2007 play it! ziegler z defeats black's boris the blade by checkmate in 93 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. e4 Nf6 5. Ne2 Be7 6. d4 exd4 7. Nxd4 Nxd4 8. Qxd4 O-O 9. O-O Nd7 10. f3 Bf6 11. Qf2 Ne5 12. Qe2 Be6 13. Na3 Qd7 14. Be3 Rfe8 15. Rfd1 Qa4 16. c5 dxc5 17. Bxc5 Rad8 18. Qc2 Qxc2 19. Nxc2 Nd3 20. Ba3 Rd5 21. exd5 Bf5 22. g4 Bg6 23. Bf1 Nxb2 24. Re1 Rd8 25. Rac1 Nd3 26. Bxd3 Bf5 27. Bxf5 g6 28. Be4 Rd7 29. Bc5 Bh4 30. Re2 b6 31. Bd4 f6 32. Kg2 Bg5 33. Ne3 a5 34. Rc6 Kg7 35. Bd3 Rf7 36. Bc4 Bxe3 37. Rxe3 Rd7 38. Bxf6+ Kf8 39. d6 Rxd6 40. Be7+ Kg7 41. Bxd6 cxd6 42. Rxb6 h5 43. g5 d5 44. Bxd5 h4 45. Rb7+ Kf8 46. Rf7+ Kg8 47. Re8# |
| 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. e4 Nf6 5. Ne2 Bg4 6. f3 Be6 7. b3 g6 8. d4 Nxd4 9. Nxd4 exd4 10. Qxd4 Bg7 11. Bb2 Nh5 12. Qd2 Bxb2 13. Qxb2 Qf6 14. Qxf6 Nxf6 15. Nc3 c6 16. O-O-O O-O-O 17. Rhe1 Rhe8 18. Kc2 Kb8 19. g4 h6 20. Re3 a6 21. Red3 Kc7 22. a4 a5 23. h4 b6 24. g5 hxg5 25. hxg5 Nh5 26. R3d2 Nf4 27. Bf1 Rh8 28. Kb2 Rh1 29. e5 d5 30. Rd4 Rh2+ 31. Ka3 Bg4 32. Rxf4 Be6 33. cxd5 cxd5 34. Rfd4 Rf2 35. Bb5 Rxf3 36. Nxd5+ Kb8 37. Bc4 Rf5 38. Nxb6 Rxd4 39. Rxd4 Rxe5 40. Bxe6 Rxe6 41. Nc4 Re2 42. Nxa5 Kc7 43. Rf4 Re7 44. Rf6 Kc8 45. Nc4 Kc7 46. Nd6 Re6 47. Nxf7 Kd7 48. Rxg6 Re2 49. Rd6+ Ke8 50. g6 Ke7 51. a5 Rc2 52. a6 Rc5 53. Kb4 Rc2 54. Kb5 Ra2 55. b4 Kf8 56. Rd8+ Kg7 57. Ne5 Kf6 58. Rf8+ Kg7 59. Rf7+ Kg8 60. a7 Ra3 61. Rd7 Kf8 62. g7+ Kg8 63. Ng4 Kh7 64. Nf6+ Kg6 65. g8=Q+ Kxf6 66. Qd8+ |
| 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. e4 Nf6 5. Ne2 Bg4 6. f3 Be6 7. b3 g6 8. d4 Nxd4 9. Nxd4 exd4 10. Qxd4 Bg7 11. Bb2 Nh5 12. Qd2 Bxb2 13. Qxb2 O-O 14. O-O Re8 15. Nc3 Qf6 16. a3 Qd4+ 17. Kh1 f6 18. g4 Nf4 19. Rad1 Qe5 20. Rf2 Nxg2 21. Rxg2 Kh8 22. Nd5 Bxd5 23. cxd5 Qf4 24. Qc3 c6 25. dxc6 Qxe4 26. Qxf6+ Kg8 27. fxe4 bxc6 28. Rxd6 Rxe4 29. Rf2 Re1+ 30. Kg2 Re4 31. Rd8+ Rxd8 32. Qxd8+ Re8 33. Qxe8+ Kg7 34. Qf8# |
| ECO A20 in 2007 play it! ziegler z defeats black's boris the blade by checkmate in 135 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. e4 Nf6 5. Ne2 Bg4 6. f3 Be6 7. b3 g6 8. d4 exd4 9. Nxd4 Nxd4 10. Qxd4 Bg7 11. Bb2 Rg8 12. Nc3 Nd5 13. Qd3 Nb4 14. Qd2 c6 15. O-O Qb6+ 16. Kh1 O-O-O 17. Rad1 Kb8 18. a3 Na6 19. Qc2 Nc5 20. b4 Nd7 21. Na4 Qa6 22. Bxg7 Rxg7 23. Rxd6 Bg4 24. fxg4 Kc7 25. b5 Qa5 26. Rfd1 Rgg8 27. bxc6 bxc6 28. Nc3 Ne5 29. Rxd8 Rxd8 30. Rxd8 Kxd8 31. Qb3 Qb6 32. Qa4 h6 33. h4 Ke8 34. Qb4 Qxb4 35. axb4 Nxc4 36. Kg1 Ne5 37. g5 hxg5 38. hxg5 Ke7 39. Kf1 Nd3 40. Na2 c5 41. bxc5 Nxc5 42. Ke2 Ne6 43. Nb4 Kd6 44. Nd3 Nxg5 45. e5+ Ke6 46. Ke3 Kf5 47. Bd5 a5 48. Bc6 Kg4 49. Nc5 Kxg3 50. Ne4+ Kh4 51. Be8 a4 52. Bxa4 Nxe4 53. Kxe4 Kg5 54. Bb5 Kh6 55. Bc4 Kg7 56. Kf4 Kg8 57. Kg5 Kg7 58. Bd5 f6+ 59. exf6+ Kf8 60. Kxg6 Ke8 61. f7+ Ke7 62. Be4 Ke6 63. f8=Q Ke5 64. Qb4 Kf4 65. Qd4 Kg3 66. Qe3+ Kh4 67. Kf5 Kh5 68. Qg5# |
| 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. e4 Nf6 5. Ne2 Bg4 6. f3 Be6 7. b3 g6 8. O-O Bh6 9. Nbc3 O-O 10. d4 Bxc1 11. Rxc1 exd4 12. Nxd4 Ne5 13. Rf2 c6 14. Rd2 Re8 15. Nxe6 Rxe6 16. c5 d5 17. exd5 cxd5 18. Nxd5 Nxd5 19. f4 Qc8 20. Bxd5 Nc6 21. Bxe6 Qxe6 22. Qf3 Re8 23. Rcd1 Re7 24. Qc3 a6 25. Kf2 Qe4 26. a3 h6 27. Qf3 Qf5 28. b4 Qh3 29. Kg1 Kh7 30. Rd6 h5 31. Qf1 Qf5 32. Re1 Rxe1 33. Qxe1 a5 34. Kh1 axb4 35. axb4 Kh6 36. Kg2 Qc2+ 37. Rd2 Qc3 38. Re2 Qb3 39. Re4 f5 40. Re8 Qb2+ 41. Re2 Qxb4 42. Qxb4 Nxb4 43. Rd2 Na6 44. Rd5 Nb4 45. Rd6 Na6 46. Rxa6 Kh7 47. Rb6 Kg7 48. Rxb7+ Kf6 49. c6 Ke6 50. Rh7 Kd5 51. c7 h4 52. c8=Q hxg3 53. Rd7+ Ke4 54. hxg3 g5 55. Qe8# |
| ECO A20 in 2007 play it! ziegler z defeats black's boris the blade by checkmate in 117 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. e4 Nf6 5. Ne2 Bg4 6. f3 Be6 7. b3 g6 8. O-O Bh6 9. Nbc3 O-O 10. d4 Bxc1 11. Rxc1 exd4 12. Nxd4 Nxd4 13. Qxd4 Nd7 14. f4 Nb8 15. Nd5 f6 16. Rfd1 Nc6 17. Qb2 Kh8 18. f5 gxf5 19. Nf4 Bc8 20. a4 fxe4 21. Bxe4 Qe7 22. Qg2 Rb8 23. Re1 Ne5 24. Nd5 Qg7 25. Nf4 Re8 26. Kh1 Bd7 27. Qf2 b6 28. Rcd1 Bg4 29. Rd5 a5 30. Re3 Rbd8 31. Qd2 Kg8 32. Rd4 Qg5 33. Qc2 Qh6 34. Qd2 Kg7 35. Qg2 Rb8 36. Rd2 Nxc4 37. bxc4 f5 38. Rdd3 fxe4 39. Rxe4 Bf5 40. Qb2+ Kf7 41. Rxe8 Rxe8 42. Rd1 Be4+ 43. Kg1 Kg8 44. Qe2 Qg7 45. Qe3 Qb2 46. Qd4 Qc2 47. Rd2 Qb1+ 48. Rd1 Qb3 49. Nh5 Re5 50. Nf6+ Kf8 51. Nxe4 Qxa4 52. Nc3 Qc6 53. Rf1+ Ke8 54. Nd5 a4 55. Qh4 Qc5+ 56. Kh1 Rxd5 57. Qg4 Rg5 58. Qe6+ Kd8 59. Rf8# |
| ECO A20 in 2007 play it! ziegler z defeats black's boris the blade by checkmate in 57 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. e4 Nf6 5. Ne2 Be7 6. d4 exd4 7. Nxd4 Nxd4 8. Qxd4 O-O 9. O-O Bd7 10. f3 Ne8 11. Be3 Bf6 12. Qd2 Be6 13. Na3 Qd7 14. f4 Qa4 15. e5 dxe5 16. fxe5 Bxe5 17. Rae1 Bxc4 18. Nxc4 Qxc4 19. Bxb7 Rb8 20. Bd5 Rb3 21. Bxc4 Rxb2 22. Bxf7+ Kh8 23. Qd8 Bf6 24. Rxf6 gxf6 25. Bh6 Rd2 26. Bxd2 a5 27. Rxe8 h6 28. Qxf6+ Kh7 29. Qxh6# |
| ECO A20 in 2007 play it! ziegler z defeats black's boris the blade in 85 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. e4 Nf6 5. Ne2 Bg4 6. f3 Be6 7. b3 g6 8. O-O Bh6 9. Nbc3 O-O 10. d4 Bxc1 11. Rxc1 exd4 12. Nxd4 Nxd4 13. Qxd4 Nd7 14. f4 Nb8 15. Nd5 f6 16. Rfd1 Nc6 17. Qc3 Kh8 18. f5 gxf5 19. exf5 Bxf5 20. Rf1 Na5 21. Rxf5 b5 22. Qxa5 Qd7 23. Rxf6 c6 24. Rxf8+ Rxf8 25. Qc3+ Qg7 26. Qxg7+ Kxg7 27. Nf4 Rc8 28. cxb5 c5 29. Rd1 Kf6 30. Rxd6+ Ke5 31. Rd5+ Kf6 32. Rd7 c4 33. bxc4 Rxc4 34. Rxa7 Rc1+ 35. Bf1 Rd1 36. b6 Rd2 37. b7 Rb2 38. a4 h5 39. Nxh5+ Ke5 40. Bb5 Rb1+ 41. Kg2 Re1 42. b8=Q+ Kd4 43. Qf4+ |
| ECO A20 in 2007 play it! ziegler z defeats black's boris the blade by checkmate in 55 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. e4 Nf6 5. Ne2 Bg4 6. f3 Be6 7. b3 g6 8. O-O Bh6 9. Nbc3 O-O 10. d4 Bxc1 11. Rxc1 exd4 12. Nxd4 Ne5 13. Rf2 c6 14. Rd2 Re8 15. Nxe6 Nxc4 16. Nxd8 Nxd2 17. Nxb7 Nxb3 18. axb3 d5 19. Qd4 Re6 20. Nc5 Rae8 21. Nxe6 Rxe6 22. exd5 cxd5 23. Nxd5 Ne8 24. Rc8 a5 25. Nf6+ Kg7 26. Nxe8+ Kf8 27. Nc7+ Re8 28. Rxe8# |
| ECO A20 in 2007 play it! ziegler z defeats black's boris the blade by checkmate in 77 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. e4 Nf6 5. Ne2 Be7 6. d4 exd4 7. Nxd4 Nxd4 8. Qxd4 O-O 9. O-O c5 10. Qd1 Be6 11. Nd2 Ng4 12. h3 Ne5 13. b3 Bf6 14. Rb1 Qa5 15. a4 Qc3 16. Bb2 Qb4 17. Bxe5 dxe5 18. Qe2 Rad8 19. Rbd1 b6 20. Qe3 Kh8 21. Nf3 g6 22. Rxd8 Rxd8 23. Ng5 Rd6 24. Nxe6 fxe6 25. Qf3 Kg7 26. Rd1 Rd4 27. h4 h6 28. Kh2 Be7 29. Bh3 Qxc4 30. bxc4 a6 31. Bxe6 Bf6 32. Rb1 Rd6 33. Bd5 Kh7 34. Rd1 Kh8 35. Bf7 Rc6 36. Bxg6 h5 37. Qxh5+ Kg8 38. Qh7+ Kf8 39. Qf7# |
| ECO A20 in 2007 play it! ziegler z defeats black's boris the blade by checkmate in 85 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. e4 Nf6 5. Ne2 Bg4 6. f3 Be6 7. b3 g6 8. O-O Bh6 9. Nbc3 O-O 10. d4 Bxc1 11. Rxc1 Bd7 12. Nd5 Kh8 13. Rf2 a6 14. a4 exd4 15. Nxd4 b6 16. Nxc6 Bxc6 17. Qd4 Kg7 18. Rd1 Re8 19. Rfd2 Bd7 20. Nxf6 Bh3 21. Nxe8+ Kf8 22. Nxc7 Bxg2 23. Kxg2 Rc8 24. Qh8+ Ke7 25. Nd5+ Ke6 26. Qxh7 Rc6 27. Nf4+ Kd7 28. Qxf7+ Qe7 29. Qxg6 Qe5 30. h4 Kc7 31. Qf7+ Kb8 32. Qd7 Rc7 33. Qxd6 Qc5 34. Qxc5 bxc5 35. h5 Kc8 36. h6 Re7 37. Rd5 Rc7 38. Rxc5 Rxc5 39. h7 Kb7 40. h8=Q Kb6 41. Qd8+ Kb7 42. Rd7+ Kc6 43. Qc7# |
| ECO A20 in 2007 play it! ziegler z defeats black's boris the blade by checkmate in 77 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. e4 Nf6 5. Ne2 Be7 6. d4 exd4 7. Nxd4 Nxd4 8. Qxd4 O-O 9. O-O Nd7 10. f3 Bf6 11. Qf2 Ne5 12. Qe2 Be6 13. Na3 Qd7 14. Be3 Qa4 15. Rfc1 Rae8 16. c5 Be7 17. cxd6 Bxa2 18. dxe7 Rxe7 19. Bc5 Rd7 20. Bxf8 Kxf8 21. Rxa2 Qb3 22. Raa1 c6 23. Rc3 Qb4 24. Nc4 Nxc4 25. Rxc4 Qb6+ 26. Kh1 a6 27. Bh3 Rd8 28. Rd1 Rxd1+ 29. Qxd1 h5 30. Qd6+ Kg8 31. Qb8+ Kh7 32. Qf8 Qc7 33. Rd4 Qe5 34. Bf5+ g6 35. Rd7 Qf6 36. Rxf7+ Qxf7 37. Qxf7+ Kh8 38. Bxg6 b6 39. Qf8# |
| ECO A20 in 2007 play it! ziegler z defeats black's boris the blade by checkmate in 69 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. e4 Nf6 5. Ne2 Bg4 6. f3 Be6 7. b3 g6 8. O-O Bh6 9. Nbc3 Nd4 10. Nxd4 exd4 11. Nb5 c5 12. f4 Bxc4 13. bxc4 Bg7 14. e5 Nd7 15. Nxd6+ Kf8 16. Bxb7 Rb8 17. Bd5 Qe7 18. Nxf7 Rg8 19. Nd6 Rh8 20. Qg4 Rb4 21. Bc6 Nb6 22. Ba3 Rxc4 23. Nxc4 h5 24. Qe2 Kg8 25. Nd6 Qc7 26. Qb5 a6 27. Qxc5 Bf8 28. Rab1 Bxd6 29. exd6 Qf7 30. Rxb6 Qf6 31. d7 Kg7 32. Be4 Ra8 33. Rxf6 Rg8 34. Rxg6+ Kf7 35. Qd5# |
| 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. e4 Nf6 5. Ne2 Bg4 6. f3 Be6 7. b3 g6 8. O-O Bh6 9. Nbc3 O-O 10. d4 Bxc1 11. Rxc1 Nxd4 12. Nxd4 exd4 13. Qxd4 c5 14. Qd3 a6 15. Rfd1 Ne8 16. e5 Qa5 17. exd6 Rd8 18. Ne4 Qxa2 19. Rc2 Qa5 20. Qc3 Qb6 21. Rcd2 Bf5 22. d7 Qb5 23. dxe8=Q Rfxe8 24. Rxd8 Qc6 25. Rxe8+ Qxe8 26. Nf6+ Kf8 27. Nxe8 g5 28. Qg7+ Ke7 29. Qf6+ Kf8 30. Rd8 Bg6 31. Nd6# |
| ECO A20 in 2007 play it! ziegler z defeats black's boris the blade by checkmate in 117 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. e4 Nf6 5. Ne2 Bg4 6. f3 Be6 7. b3 g6 8. d4 Nxd4 9. Nxd4 exd4 10. Qxd4 Bg7 11. Bb2 Nh5 12. Qd2 Bxb2 13. Qxb2 Qf6 14. Qxf6 Nxf6 15. Nc3 c6 16. O-O-O O-O-O 17. Rhe1 Kb8 18. Kb2 Rhe8 19. g4 h6 20. Rd2 b6 21. Red1 Kc7 22. h4 a6 23. g5 hxg5 24. hxg5 Nh5 25. Ne2 b5 26. cxb5 axb5 27. Nd4 Bd7 28. Rc1 Kb7 29. Bf1 Ng3 30. Bd3 Ra8 31. Rdc2 Rec8 32. Kb1 Nh5 33. Ne2 Be6 34. Rd2 Ra3 35. Nd4 Nf4 36. Nxe6 fxe6 37. Rh1 d5 38. Kb2 Nxd3+ 39. Rxd3 Rca8 40. Ra1 b4 41. exd5 cxd5 42. Rd4 Kc6 43. Rxb4 Kc5 44. Rb7 R8a7 45. Rc1+ Kd6 46. Rxa7 Rxa7 47. a4 e5 48. Ka3 d4 49. Rd1 Rf7 50. Rd3 Rf6 51. gxf6 e4 52. fxe4 Ke6 53. a5 Kd6 54. Rf3 g5 55. f7 Kc6 56. f8=Q Kd7 57. Qg7+ Ke6 58. Rf6+ Ke5 59. Qe7# |
| ECO A20 in 2007 play it! ziegler z defeats black's boris the blade by checkmate in 77 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. e4 Nf6 5. Ne2 Be7 6. d4 exd4 7. Nxd4 Nxd4 8. Qxd4 O-O 9. O-O Bd7 10. f3 Ne8 11. Be3 Bf6 12. Qd2 Be6 13. Na3 Qd7 14. f4 Qa4 15. e5 dxe5 16. fxe5 Bxe5 17. Rxf7 Rxf7 18. Re1 a5 19. Bxb7 Rd7 20. Qf2 Qc2 21. Nxc2 Rb8 22. Bc6 Rd6 23. Ba7 Rxb2 24. Bxe8 Bf6 25. Bc5 Bxc4 26. Bxd6 cxd6 27. Bh5 Be5 28. Qf5 Rb8 29. Ne3 Bxa2 30. Qc2 Be6 31. Qc7 Rc8 32. Qe7 Bh3 33. Ng4 Bxg4 34. Bxg4 Rb8 35. Rf1 Bd4+ 36. Kh1 Bb6 37. Be6+ Kh8 38. Rf8+ Rxf8 39. Qxf8# |
| ECO A20 in 2007 play it! ziegler z defeats black's boris the blade by checkmate in 123 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. e4 Nf6 5. Ne2 Bg4 6. f3 Be6 7. b3 g6 8. O-O Bh6 9. Nbc3 O-O 10. d4 Bxc1 11. Rxc1 Nxd4 12. Nxd4 exd4 13. Qxd4 Re8 14. Nd5 Nd7 15. f4 c5 16. Qc3 f6 17. Bf3 a6 18. Rfd1 Bxd5 19. Rxd5 Nb6 20. Rd2 Rxe4 21. Bxe4 Qe7 22. Qf3 Rb8 23. Re1 Qd7 24. f5 g5 25. Red1 Nc8 26. Bd5+ Kh8 27. Be6 Qe7 28. Bxc8 Rxc8 29. Rxd6 Rc7 30. Rd8+ Kg7 31. Kh1 b5 32. Qd3 Kh6 33. cxb5 axb5 34. Qxb5 Qe4+ 35. Kg1 Qe3+ 36. Kg2 Ra7 37. a4 Qe4+ 38. Kf2 Qxf5+ 39. Kg1 Qe5 40. Qf1 Re7 41. R8d5 Qe3+ 42. Qf2 Re6 43. Qxe3 Rxe3 44. R1d3 Re1+ 45. Kf2 Rc1 46. a5 c4 47. bxc4 Rc2+ 48. Ke3 Rxh2 49. c5 Kg6 50. Kd4 Rc2 51. a6 Ra2 52. Rd6 Kf7 53. Kd5 h5 54. Rf3 Ke7 55. Rfxf6 Ra3 56. Rfe6+ Kf8 57. Rd8+ Kf7 58. Rd7+ Kf8 59. a7 g4 60. Rd8+ Kf7 61. a8=Q Rf3 62. Qb7# |
| ECO A20 in 2007 play it! ziegler z defeats black's boris the blade by checkmate in 79 moves | 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. e4 Nf6 5. Ne2 Be7 6. d4 exd4 7. Nxd4 Nxd4 8. Qxd4 O-O 9. O-O c5 10. Qd3 Ng4 11. Nc3 Ne5 12. Qd5 Bf6 13. f3 Be6 14. Qxb7 Nxc4 15. Nd5 Bxd5 16. Qxd5 Bxb2 17. Bxb2 Nxb2 18. Rab1 Rb8 19. Rf2 Na4 20. Rxb8 Qxb8 21. Rd2 Rd8 22. Bf1 Qb4 23. Kg2 Nc3 24. Qg5 f6 25. Qh5 g6 26. Qh6 Rd7 27. Ba6 d5 28. Bc8 Nxe4 29. fxe4 Qxe4+ 30. Kg1 Qe1+ 31. Kg2 Re7 32. Ba6 c4 33. a3 c3 34. Rf2 f5 35. Qg5 Qe4+ 36. Kh3 Re6 37. Rf4 h5 38. Rxe4 Re8 39. Qxg6+ Kh8 40. Rxe8# |