| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 109 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Nc6 4. g3 f6 5. Bg2 Bg4 6. Nxd4 Qxd4 7. Bxc6+ Bd7 8. Bxd7+ Qxd7 9. Qxd7+ Kxd7 10. d4 Re8 11. O-O e5 12. dxe5 Rxe5 13. Nc3 Bb4 14. Rd1+ Kc8 15. Nd5 Bd6 16. Kf1 Rh5 17. h4 Ne7 18. Nxe7+ Bxe7 19. e4 Bd6 20. Kg2 Rd8 21. Be3 Re5 22. f3 b6 23. a3 Bc5 24. Rxd8+ Kxd8 25. Rd1+ Kc8 26. Bf4 Re6 27. b4 Be7 28. Kf2 a6 29. Ke2 c5 30. b5 axb5 31. cxb5 Bd8 32. h5 Bc7 33. Ke3 Bxf4+ 34. Kxf4 Kc7 35. Ke3 Rd6 36. Rd3 Rxd3+ 37. Kxd3 Kd7 38. f4 Kd6 39. a4 g6 40. h6 Ke7 41. Kc4 Kd6 42. g4 Ke6 43. a5 bxa5 44. b6 g5 45. b7 gxf4 46. b8=Q a4 47. Qxf4 a3 48. Qf5+ Kd6 49. Qxh7 Ke6 50. Qa7 Ke5 51. h7 Kd6 52. Qxc5+ Ke6 53. Qd5+ Ke7 54. h8=Q f5 55. Qhd8# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 131 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Nc6 4. g3 f6 5. Bg2 Bg4 6. Nxd4 Qxd4 7. Bxc6+ Bd7 8. Bxd7+ Qxd7 9. Qxd7+ Kxd7 10. d4 e6 11. O-O Ne7 12. e4 Nc6 13. Rd1 Rd8 14. d5 exd5 15. cxd5 Ne5 16. Be3 a6 17. Rc1 Kc8 18. f4 Nd3 19. Rc3 Nxb2 20. Nd2 Bb4 21. Rc2 Nd3 22. a3 Bd6 23. Nf3 Rhe8 24. Rd1 Nxf4 25. Bxf4 Bxf4 26. gxf4 Rxe4 27. Rdc1 Rd7 28. Kg2 Rxf4 29. Kg3 Ra4 30. Rc3 Kd8 31. Rb1 b5 32. Rd1 Re4 33. Rdd3 h5 34. Nd4 Kc8 35. Ne6 g5 36. Rc6 h4+ 37. Kf3 Re5 38. Rd2 a5 39. Rdc2 Rdxd5 40. Rxc7+ Kb8 41. Rc8+ Ka7 42. R2c7+ Ka6 43. Nc5+ Rxc5 44. Rxc5 Rxc5 45. Rxc5 b4 46. axb4 axb4 47. Ke3 g4 48. Rc4 Kb5 49. Rxg4 h3 50. Kd4 f5 51. Rg3 Ka5 52. Rxh3 Kb5 53. Rf3 f4 54. Rxf4 Kc6 55. Rf5 Kd7 56. Rb5 Ke6 57. h4 Ke7 58. Rxb4 Kf6 59. Ke4 Kg7 60. h5 Kg8 61. h6 Kf7 62. Rb6 Ke8 63. Rb7 Kd8 64. Rg7 Ke8 65. h7 Kd8 66. h8=Q# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 95 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Nc6 4. g3 f6 5. Bg2 Bg4 6. Nxd4 Qxd4 7. Bxc6+ Bd7 8. Bxd7+ Qxd7 9. Qxd7+ Kxd7 10. d4 e5 11. dxe5 fxe5 12. Nc3 Bc5 13. O-O Nf6 14. Rd1+ Kc6 15. Na4 Rad8 16. Rxd8 Rxd8 17. Nxc5 Kxc5 18. Be3+ Kc6 19. f3 b6 20. b4 a6 21. a4 e4 22. Kf2 Rf8 23. Bf4 a5 24. bxa5 Nh5 25. axb6 cxb6 26. Be5 Nf6 27. Bd4 Rd8 28. Ke3 exf3 29. exf3 Re8+ 30. Kf4 Rd8 31. Bxf6 gxf6 32. a5 bxa5 33. Rxa5 Rd4+ 34. Kf5 Rxc4 35. Ra7 h6 36. Rh7 Rc3 37. f4 Kd5 38. Rxh6 Rc2 39. h4 Rg2 40. g4 Kd6 41. g5 Ke7 42. Rxf6 Rh2 43. g6 Rd2 44. g7 Rd7 45. g8=Q Rd5+ 46. Qxd5 Ke8 47. Qb7 Kd8 48. Rf8# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 111 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Nc6 4. g3 f6 5. Bg2 Bg4 6. Nxd4 Qxd4 7. Bxc6+ Bd7 8. Bxd7+ Qxd7 9. Qxd7+ Kxd7 10. d4 e6 11. Nc3 Bb4 12. Bd2 Ne7 13. a3 Bxc3 14. Bxc3 Rhd8 15. e4 Nc6 16. f4 Re8 17. Kf2 Ne7 18. Rhd1 Rac8 19. d5 Rcd8 20. Rac1 b6 21. b3 a5 22. e5 a4 23. bxa4 fxe5 24. Bxe5 Nf5 25. dxe6+ Kxe6 26. Bxc7 Rxd1 27. Rxd1 Rc8 28. Re1+ Kd7 29. Bxb6 Rxc4 30. a5 Kc6 31. Re2 Rc3 32. a4 Rc4 33. Ra2 Nd6 34. Ke3 g6 35. Kd3 Rc1 36. Be3 Rd1+ 37. Bd2 Nf5 38. Ke4 Nd6+ 39. Kd4 Kb7 40. Kd5 Nf5 41. Rb2+ Ka8 42. Kc5 Ka7 43. g4 Nh4 44. Kb5 Nf3 45. Be3+ Ka8 46. a6 Re1 47. Bc5 Re4 48. Kc6 Nd4+ 49. Kd5 Ne6 50. Bd6 Rxf4 51. a5 Rxg4 52. Kxe6 Ra4 53. Bc5 Rxa5 54. Kd6 Ra1 55. Kc7 Rd1 56. Rb8# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j in 117 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Nc6 4. g3 f6 5. Bg2 Bg4 6. Nxd4 Qxd4 7. Bxc6+ Bd7 8. Bxd7+ Qxd7 9. Qxd7+ Kxd7 10. d4 e5 11. dxe5 fxe5 12. Nc3 Nf6 13. Bg5 h6 14. O-O-O+ Kc8 15. Bxf6 gxf6 16. Kc2 Bc5 17. f3 Rf8 18. Rd3 Rd8 19. Rxd8+ Kxd8 20. Nd5 f5 21. Rd1 Kc8 22. b4 Bf8 23. Ne3 f4 24. gxf4 exf4 25. Nd5 c6 26. Nxf4 Bxb4 27. Ne6 Ba5 28. e4 h5 29. f4 a6 30. f5 b5 31. f6 Ra7 32. Ng5 Rd7 33. f7 Bb4 34. cxb5 Rxd1 35. Kxd1 cxb5 36. Ke2 Kd7 37. Nh7 Ke6 38. f8=R Bxf8 39. Nxf8+ Kf6 40. Ke3 a5 41. Nd7+ Ke6 42. Nc5+ Kf6 43. Kd4 h4 44. Nd3 a4 45. a3 Ke6 46. Kc5 b4 47. Kxb4 Kf6 48. Kxa4 Ke7 49. Kb5 Kd6 50. a4 Ke6 51. Kc6 Kf6 52. a5 Kg5 53. a6 Kg4 54. a7 Kf3 55. e5 Ke4 56. a8=Q Kf5 57. Qd8 h3 58. Qd7+ Kg6 59. Qg4+ |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 93 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Nc6 4. g3 f6 5. Bg2 Bg4 6. Nxd4 Qxd4 7. Bxc6+ Bd7 8. Bxd7+ Qxd7 9. Qxd7+ Kxd7 10. d4 e5 11. dxe5 fxe5 12. Nc3 Nf6 13. Bd2 Kc8 14. f3 Bc5 15. Na4 Be7 16. O-O-O e4 17. Bc3 Re8 18. Bd4 Bf8 19. Nc3 exf3 20. exf3 a5 21. Rhe1 Rxe1 22. Rxe1 Kd7 23. Kc2 Re8 24. Rxe8 Nxe8 25. b3 Nd6 26. Ne4 Nf5 27. Be5 b6 28. Kd3 h5 29. g4 Nh4 30. Ke3 hxg4 31. fxg4 Ng6 32. Bg3 Be7 33. h3 Nf8 34. h4 Ne6 35. h5 Kc6 36. Be5 a4 37. Bxg7 Bh4 38. h6 Bg5+ 39. Nxg5 Nd8 40. h7 axb3 41. axb3 Nb7 42. h8=Q Nd6 43. Nf3 Nxc4+ 44. bxc4 Kd6 45. Qd8+ Kc5 46. Bf8+ Kc6 47. Qd5# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 131 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Nc6 4. g3 f6 5. Bg2 Bg4 6. Nxd4 Qxd4 7. Bxc6+ Bd7 8. Bxd7+ Qxd7 9. Qxd7+ Kxd7 10. d4 e5 11. dxe5 fxe5 12. Nc3 Bb4 13. Bd2 Nf6 14. Rd1 Kc8 15. a3 Be7 16. O-O Rd8 17. Be3 Rxd1 18. Rxd1 c6 19. f3 b6 20. Kg2 Kc7 21. Rd3 a5 22. Na4 Rb8 23. Bd2 Nd7 24. e4 Nc5 25. Nxc5 Bxc5 26. Bc3 Re8 27. b4 axb4 28. axb4 Bd6 29. Kf2 Ra8 30. Ke3 Ra2 31. h4 Rg2 32. Be1 Rb2 33. Ra3 Bxb4 34. Bxb4 Rxb4 35. Ra7+ Kd6 36. Rxg7 Rb3+ 37. Kf2 Rb2+ 38. Kf1 Rb1+ 39. Kg2 Rb2+ 40. Kh3 h5 41. Rh7 Rf2 42. Rh6+ Kc5 43. Rxh5 Rxf3 44. Rxe5+ Kxc4 45. Re6 b5 46. Rxc6+ Kd4 47. h5 Kxe4 48. h6 Rf1 49. Kg4 Rh1 50. Rb6 Kd4 51. Kg5 Kc4 52. Rb7 b4 53. h7 b3 54. Kg6 Rc1 55. Rc7+ Kd3 56. Rxc1 Ke3 57. Rb1 Kd4 58. h8=Q+ Kd3 59. Rxb3+ Kc4 60. Qg8+ Kc5 61. Qd8 Kc6 62. Rc3+ Kb5 63. Qd5+ Kb6 64. Rc6+ Ka7 65. Qb5 Ka8 66. Ra6# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 113 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Nc6 4. g3 f6 5. Bg2 Bg4 6. Nxd4 Qxd4 7. Bxc6+ Bd7 8. Bxd7+ Qxd7 9. Qxd7+ Kxd7 10. d4 Re8 11. Nc3 Kc8 12. Be3 e6 13. O-O-O Ne7 14. h4 Rd8 15. f4 Nf5 16. Bf2 Bb4 17. e4 Nd6 18. c5 Bxc3 19. cxd6 Bb4 20. dxc7 Rd7 21. Kc2 Rxc7+ 22. Kb3 a5 23. a3 Bd6 24. Rhe1 Kd7 25. Rd3 a4+ 26. Ka2 Rc2 27. Bg1 Rhc8 28. e5 Bc7 29. d5 fxe5 30. d6 e4 31. Rxe4 Bxd6 32. Rxa4 R8c6 33. Ra7 Rc7 34. Bb6 R7c6 35. Bd4 Kc8 36. Ra8+ Kc7 37. Rh8 h5 38. Rxh5 g6 39. Rh6 Re2 40. Rxg6 Rcc2 41. Kb3 Rc6 42. h5 e5 43. fxe5 Bxe5 44. Rxc6+ bxc6 45. Re3 Rxe3+ 46. Bxe3 Bxg3 47. h6 Bd6 48. Bd4 c5 49. Bg7 Kd7 50. h7 Ke7 51. h8=Q Kd7 52. Kc4 Bf4 53. Be5 Bc1 54. Qf6 Bf4 55. Qf7+ Kd8 56. Bxf4 Kc8 57. Qc7# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 121 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Nc6 4. g3 f6 5. Bg2 Bg4 6. Nxd4 Qxd4 7. Bxc6+ Bd7 8. Bxd7+ Qxd7 9. Qxd7+ Kxd7 10. d4 e5 11. dxe5 fxe5 12. Nc3 Bc5 13. Ne4 Bb4+ 14. Bd2 Bxd2+ 15. Nxd2 Nf6 16. e4 Rhd8 17. f4 Ke6 18. O-O-O Ng4 19. Nb3 exf4 20. Nc5+ Kf7 21. Rdf1 Ne5 22. Rxf4+ Kg6 23. Nxb7 Rd4 24. Kb1 Rxc4 25. Rd1 Re8 26. Rd5 Re7 27. Nc5 h6 28. b3 Rc3 29. Rf5 Ng4 30. Nd7 Kh7 31. Nf8+ Kg8 32. Ng6 Rxe4 33. Rd8+ Kh7 34. Nf8+ Kg8 35. Nd7+ Kh7 36. h3 Ne3 37. Nf8+ Kg8 38. Ra5 Nf1 39. Nd7+ Kh7 40. Rxa7 Nxg3 41. Nf8+ Kg8 42. Ne6+ Kh7 43. Rxc7 Rxc7 44. Nxc7 Rh4 45. a4 Ne4 46. Re8 Ng5 47. Kc2 Rxh3 48. a5 Kg6 49. a6 Rh2+ 50. Kb1 Rh1+ 51. Kb2 Rh2+ 52. Ka3 Re2 53. Rxe2 h5 54. a7 Kf5 55. a8=Q Kg6 56. Qc6+ Kh7 57. Rg2 Ne6 58. Qxe6 g5 59. Rxg5 h4 60. Nd5 Kh8 61. Qh6# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 135 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Nc6 4. g3 f6 5. Bg2 Bg4 6. Nxd4 Qxd4 7. Bxc6+ Bd7 8. Bxd7+ Qxd7 9. Qxd7+ Kxd7 10. d4 e6 11. O-O Ne7 12. Nc3 Nc6 13. Rd1 Rd8 14. d5 exd5 15. Nxd5 Kc8 16. Bf4 Ne5 17. b3 c6 18. Nc3 Bc5 19. Ne4 Bd4 20. Rac1 Bb2 21. Rb1 Rxd1+ 22. Rxd1 Rd8 23. Rxd8+ Kxd8 24. Nc5 Kc8 25. Ne6 g5 26. Bxe5 Bxe5 27. e4 Bd6 28. f4 gxf4 29. Nxf4 Kd7 30. Kg2 Be5 31. Kf3 b6 32. Kg4 Kd6 33. Kf5 a5 34. Nh5 Ke7 35. g4 Bd4 36. h3 Bc3 37. a3 Bb2 38. a4 Bc3 39. h4 h6 40. Kg6 Be1 41. Nxf6 Bxh4 42. Ng8+ Ke6 43. Kxh6 Kf7 44. Kh5 Be1 45. Nh6+ Ke6 46. g5 Bd2 47. g6 Bc3 48. Nf5 c5 49. Kh6 Bf6 50. Ne3 Bc3 51. Nd5 Bb2 52. Nxb6 Be5 53. Kh7 Bd4 54. Nd5 Kd7 55. Nf4 Kc6 56. Nd3 Kd6 57. e5+ Bxe5 58. Nxe5 Kxe5 59. g7 Ke4 60. g8=Q Kf5 61. Qd5+ Kf6 62. Qxc5 Kf7 63. Qxa5 Ke7 64. Qd5 Ke8 65. a5 Kf8 66. Kg6 Ke8 67. Kf6 Kf8 68. Qd8# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 125 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Nc6 4. g3 f6 5. Bg2 Bg4 6. Nxd4 Qxd4 7. Bxc6+ Bd7 8. Bxd7+ Qxd7 9. Qxd7+ Kxd7 10. d4 Re8 11. Nc3 g5 12. f4 h6 13. Bd2 e6 14. O-O-O Bb4 15. e4 gxf4 16. gxf4 Ne7 17. e5 fxe5 18. fxe5 Nf5 19. Ne4 Bxd2+ 20. Rxd2 Ke7 21. Kc2 Rb8 22. Ng3 Rhg8 23. Nxf5+ exf5 24. Rf1 Rbf8 25. Rdf2 Rg4 26. Kd3 Ke6 27. b4 c6 28. Rf4 Rxf4 29. Rxf4 Rg8 30. Rh4 Rg6 31. a4 b6 32. Rh3 c5 33. bxc5 bxc5 34. dxc5 Kxe5 35. Re3+ Kf6 36. Re8 Kf7 37. Rh8 Ra6 38. Rh7+ Ke8 39. a5 Rxa5 40. c6 Kd8 41. Rxh6 Kc7 42. h4 f4 43. Rf6 Rh5 44. Rxf4 a5 45. Rf6 Rxh4 46. Rf5 Rh3+ 47. Kc2 a4 48. Rc5 a3 49. Kb1 Rh6 50. Ra5 Rh4 51. Rc5 Rh6 52. Ka2 Rxc6 53. Rxc6+ Kd8 54. Kxa3 Kd7 55. Rf6 Kc7 56. c5 Kc8 57. Rf7 Kb8 58. c6 Kc8 59. Kb4 Kd8 60. Kc5 Kc8 61. Re7 Kd8 62. Kd6 Kc8 63. Re8# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 65 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Nc6 4. g3 f6 5. Bg2 Bg4 6. Nxd4 Qxd4 7. Bxc6+ Bd7 8. Bxd7+ Qxd7 9. Qxd7+ Kxd7 10. d4 e5 11. dxe5 fxe5 12. Nc3 Nf6 13. Bg5 Kc8 14. O-O-O h6 15. Bxf6 gxf6 16. e4 c6 17. f4 Bc5 18. Rhf1 Rd8 19. Rxd8+ Kc7 20. Rxa8 Be3+ 21. Kc2 Bd4 22. Rh8 Kd6 23. Rxh6 exf4 24. gxf4 Ke6 25. e5 Kd7 26. Rxf6 Ke7 27. Rh6 a5 28. Rh7+ Ke6 29. Rxb7 c5 30. f5+ Kxe5 31. Rb6 Be3 32. Re6+ Kd4 33. Re4# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 103 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Nc6 4. g3 f6 5. Bg2 Bg4 6. Nxd4 Qxd4 7. Bxc6+ Bd7 8. Bxd7+ Qxd7 9. Qxd7+ Kxd7 10. d4 Re8 11. Nc3 Kc8 12. Be3 e6 13. O-O-O Ne7 14. Rd3 Nc6 15. f3 Be7 16. Kb1 Rd8 17. h4 Rhe8 18. Rf1 b6 19. b3 Bb4 20. Kb2 g6 21. a3 Bxc3+ 22. Kxc3 a6 23. h5 e5 24. d5 Ne7 25. Bf2 Nf5 26. e4 Nd6 27. c5 bxc5 28. Bxc5 f5 29. hxg6 fxe4 30. Re3 Nf5 31. Ree1 Nxg3 32. Rg1 exf3 33. Rxg3 hxg6 34. Rxf3 Rxd5 35. b4 Re6 36. Re4 Rd7 37. Rfe3 a5 38. Rxe5 axb4+ 39. axb4 Ra6 40. Kc4 Rf6 41. Ra3 Rf4+ 42. Kb5 Rdf7 43. Ra6 Rxb4+ 44. Bxb4 Rf4 45. Kc5 Rf1 46. Rxg6 Rc1+ 47. Kb5 Ra1 48. Rg7 Ra2 49. Ree7 Kb8 50. Ba5 Rb2+ 51. Ka6 c5 52. Rg8# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 133 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Nc6 4. g3 f6 5. Bg2 Bg4 6. Nxd4 Qxd4 7. Bxc6+ Bd7 8. Bxd7+ Qxd7 9. Qxd7+ Kxd7 10. d4 e5 11. dxe5 fxe5 12. Nc3 Nf6 13. Be3 Kc8 14. O-O-O b6 15. f3 Kb7 16. a3 Be7 17. Nd5 Rhe8 18. Nxe7 Rxe7 19. Rhe1 Rae8 20. h3 Nh5 21. Rg1 Rf7 22. c5 g6 23. Kb1 e4 24. f4 Ng7 25. cxb6 cxb6 26. g4 Ne6 27. Rgf1 Ref8 28. f5 gxf5 29. Bh6 Rc8 30. gxf5 Nc5 31. f6 Rc6 32. Bg7 Ne6 33. Rg1 Nf4 34. Rg5 Ne6 35. Rg4 h5 36. Rg3 Kc7 37. h4 Rd6 38. Rxd6 Kxd6 39. b3 Nd4 40. Kb2 Ke6 41. b4 Nf5 42. Rg5 Ne3 43. Kc3 Nd5+ 44. Kd4 Nxf6 45. Bxf6 Kxf6 46. Rxh5 Re7 47. e3 Kg6 48. Rg5+ Kh6 49. Rf5 Kg6 50. Rf4 Re6 51. Rxe4 Rxe4+ 52. Kxe4 a5 53. b5 Kf7 54. Kd5 a4 55. Kc6 Kg6 56. Kxb6 Kf5 57. Kc5 Ke6 58. b6 Kd7 59. h5 Ke6 60. b7 Ke5 61. b8=Q+ Ke4 62. h6 Kxe3 63. Qe5+ Kf2 64. h7 Kf3 65. h8=Q Kf2 66. Qh3 Kg1 67. Qd4# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 91 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Nc6 4. g3 f6 5. Bg2 Bg4 6. Nxd4 Qxd4 7. Bxc6+ Bd7 8. Bxd7+ Qxd7 9. Qxd7+ Kxd7 10. d4 Re8 11. Nc3 Kc8 12. Be3 e6 13. O-O-O Ne7 14. Rhe1 Rd8 15. f4 Nf5 16. Bf2 Bb4 17. d5 exd5 18. cxd5 Rhe8 19. Bxa7 Ne3 20. Bxe3 Rxe3 21. Kd2 Bc5 22. Rc1 h6 23. b4 Bb6 24. a4 Ba7 25. Rf1 Kb8 26. Rfd1 g5 27. fxg5 fxg5 28. Rf1 c6 29. Rf5 cxd5 30. Rxd5 b6 31. Rxd8+ Kc7 32. Rh8 Rxc3 33. Rxc3+ Kd6 34. Rd8+ Ke5 35. Re3+ Kf6 36. Rf8+ Kg7 37. Ra8 Kg6 38. Rxa7 h5 39. a5 bxa5 40. bxa5 Kf6 41. a6 Kf5 42. Rf7+ Kg4 43. a7 h4 44. a8=Q hxg3 45. Qe4+ Kh5 46. Rh7# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 133 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Nc6 4. g3 f6 5. Bg2 Bg4 6. Nxd4 Qxd4 7. Bxc6+ Bd7 8. Bxd7+ Qxd7 9. Qxd7+ Kxd7 10. d4 e6 11. Nc3 Ne7 12. O-O Nc6 13. Rd1 Rd8 14. d5 exd5 15. Nxd5 Kc8 16. Bf4 Ne5 17. b3 c6 18. Nc3 Bc5 19. Ne4 Bd4 20. Rac1 g5 21. Bd2 Ng4 22. Bb4 Bb2 23. Rb1 Rxd1+ 24. Rxd1 Rd8 25. Rxd8+ Kxd8 26. h3 Nh6 27. Kg2 Nf5 28. Nc5 Nd4 29. Nxb7+ Kc7 30. Nd6 Nxe2 31. Ne4 Kd7 32. Nc5+ Ke8 33. Nd3 Bd4 34. Kf3 Nc3 35. a3 Kf7 36. Bc5 Bxc5 37. Nxc5 h6 38. Ke3 Ke7 39. f4 f5 40. b4 Kd6 41. g4 fxg4 42. hxg4 gxf4+ 43. Kxf4 Ne2+ 44. Ke4 Ng3+ 45. Kd4 Ne2+ 46. Ke3 Nc3 47. Kd4 Ne2+ 48. Kd3 Nf4+ 49. Ke4 Ne2 50. a4 a5 51. Nb7+ Kc7 52. Nxa5 Nc3+ 53. Kd3 Nd1 54. Kd4 Nf2 55. c5 Nxg4 56. b5 cxb5 57. axb5 h5 58. b6+ Kc8 59. c6 Nh6 60. Nb7 Ng4 61. Nd6+ Kd8 62. c7+ Kd7 63. c8=Q+ Ke7 64. b7 h4 65. b8=Q Nf6 66. Qf8+ Ke6 67. Qf7# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 129 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Nc6 4. g3 f6 5. Bg2 Bg4 6. Nxd4 Qxd4 7. Bxc6+ Bd7 8. Bxd7+ Qxd7 9. Qxd7+ Kxd7 10. d4 e5 11. dxe5 fxe5 12. Nc3 Nf6 13. Bg5 Kc8 14. O-O-O h6 15. Bxf6 gxf6 16. Nd5 Bc5 17. f3 f5 18. b4 Bf8 19. a3 a5 20. Kb2 axb4 21. axb4 Ra6 22. Ra1 c6 23. Rxa6 bxa6 24. Nb6+ Kc7 25. c5 a5 26. Kc3 axb4+ 27. Kxb4 Rh7 28. Ra1 Be7 29. Nc4 e4 30. Nd6 Kd7 31. Nxf5 exf3 32. exf3 Ke6 33. g4 Bg5 34. Kc4 Rc7 35. Nd4+ Kd7 36. Rd1 Ke8 37. Re1+ Kd7 38. Re6 Bf4 39. h4 Ra7 40. Re7+ Kxe7 41. Nxc6+ Ke6 42. Nxa7 Bg3 43. h5 Bf4 44. Nb5 Bg5 45. c6 Bd2 46. Kd4 Bf4 47. Kd3 Bg5 48. Ke4 Bd2 49. f4 Ba5 50. c7 Bxc7 51. Nxc7+ Kf7 52. g5 Ke7 53. gxh6 Kd6 54. Nb5+ Kc5 55. h7 Kc6 56. h8=Q Kxb5 57. Qb2+ Kc6 58. h6 Kd6 59. Qe5+ Kd7 60. Qg7+ Kd6 61. Kf5 Kd5 62. Qc3 Kd6 63. h7 Kd7 64. h8=Q Kd6 65. Qd8# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 113 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Nc6 4. g3 f6 5. Bg2 Bg4 6. Nxd4 Qxd4 7. Bxc6+ Bd7 8. Bxd7+ Qxd7 9. Qxd7+ Kxd7 10. d4 Re8 11. Nc3 g5 12. f4 gxf4 13. Bxf4 e5 14. dxe5 fxe5 15. O-O-O+ Kc8 16. Bg5 Bh6 17. Ne4 Bxg5+ 18. Nxg5 Nf6 19. Rhf1 Rhf8 20. Rf5 h6 21. Rdf1 hxg5 22. Rxf6 Rxf6 23. Rxf6 e4 24. h4 gxh4 25. gxh4 Re5 26. Kc2 Kd7 27. Kc3 Ke7 28. Rf4 c5 29. Kd2 e3+ 30. Kd3 a6 31. Re4 Rxe4 32. Kxe4 Ke6 33. Kxe3 Ke5 34. Kf3 b5 35. cxb5 axb5 36. e4 Kf6 37. Kf4 c4 38. a3 Kg6 39. e5 Kg7 40. h5 Kf7 41. h6 Kg6 42. e6 Kf6 43. h7 Kxe6 44. h8=Q Ke7 45. Qe5+ Kf8 46. Qxb5 Ke7 47. Qxc4 Kf8 48. Qe6 Kg7 49. Ke5 Kh7 50. Qg4 Kh6 51. Qe6+ Kg7 52. a4 Kh7 53. b4 Kg7 54. b5 Kh8 55. Qe7 Kg8 56. Kf6 Kh8 57. Qg7# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 105 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Nc6 4. g3 f6 5. Bg2 Bg4 6. Nxd4 Qxd4 7. Bxc6+ Bd7 8. Bxd7+ Qxd7 9. Qxd7+ Kxd7 10. d4 e5 11. dxe5 fxe5 12. Nc3 Nf6 13. Bg5 Kc8 14. O-O-O h6 15. Bxf6 gxf6 16. Nd5 Bc5 17. Nxf6 Bxf2 18. Ng4 Bd4 19. e3 Rg8 20. exd4 Rxg4 21. Rhf1 b6 22. Rf8+ Kb7 23. Rxa8 Kxa8 24. dxe5 Rxc4+ 25. Kd2 Rd4+ 26. Kc2 Re4 27. Rd5 Kb7 28. Kd3 Re1 29. Kd2 Re4 30. Rd7 Rxe5 31. Rf7 Re6 32. g4 a5 33. Kd3 Kc6 34. b3 Rd6+ 35. Kc3 Re6 36. h4 Re3+ 37. Kd4 Rg3 38. Rf4 Rg2 39. a4 Rd2+ 40. Ke5 Rd5+ 41. Ke4 Rd6 42. g5 hxg5 43. hxg5 Kd7 44. Rf7+ Kc6 45. Rf6 Kd7 46. Rxd6+ Ke7 47. Rf6 Kd7 48. g6 b5 49. g7 Ke7 50. Ke5 bxa4 51. g8=Q Kd7 52. Qe6+ Kd8 53. Rf8# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 99 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Nc6 4. g3 f6 5. Bg2 Bg4 6. Nxd4 Qxd4 7. Bxc6+ Bd7 8. Bxd7+ Qxd7 9. Qxd7+ Kxd7 10. d4 Re8 11. Nc3 Kc8 12. Be3 e6 13. O-O-O Ne7 14. Bd2 Nf5 15. e3 b6 16. Ne4 e5 17. d5 h6 18. Kb1 Kb8 19. b4 Be7 20. Bc3 Rd8 21. c5 g6 22. g4 bxc5 23. gxf5 cxb4 24. fxg6 bxc3 25. Kc2 Rhg8 26. Rhg1 f5 27. Nxc3 Kc8 28. e4 fxe4 29. Nxe4 Rg7 30. Rd3 Kd7 31. Kd1 Rb8 32. Rb3 Rb6 33. Rxb6 axb6 34. f3 Kd8 35. Kd2 Ba3 36. Kd3 Ke7 37. Rg2 Rg8 38. Kc4 Kf8 39. Nf6 Rg7 40. Kd3 Bd6 41. Ke4 Re7 42. Kf5 b5 43. Nh5 c6 44. dxc6 e4 45. g7+ Rxg7 46. Rxg7 e3 47. Kg6 Ke8 48. Nf6+ Kd8 49. Nd5 Bf4 50. Rg8# |