| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 127 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 Ng4 18. Nd5 Bf6 19. Nxf6 Nxe3 20. Rxd8+ Kxd8 21. fxe3 gxf6 22. Rxf6 Ke7 23. Rh6 Rh8 24. Kg2 e4 25. Rh4 b6 26. Rxe4+ Kd6 27. Kf3 c5 28. Rf4 Ke5 29. b3 h6 30. e4 Ke6 31. Ke3 Rg8 32. Rf5 Rg4 33. b4 cxb4 34. axb4 Rg8 35. Rd5 Rg5 36. Kd4 a5 37. bxa5 bxa5 38. e5 a4 39. Rd6+ Ke7 40. e4 Rg8 41. Ra6 Rd8+ 42. Kc3 Rf8 43. Rxh6 Ra8 44. Kb2 Ra5 45. Ka3 Rxe5 46. Kxa4 Rxe4 47. Kb5 Kf7 48. c5 Re5 49. Rd6 Re2 50. h4 Ke7 51. h5 Rg2 52. Rg6 Rb2+ 53. Kc6 Ra2 54. Rd6 Ra6+ 55. Kd5 Ra3 56. g4 Rg3 57. h6 Rxg4 58. Re6+ Kf7 59. c6 Rg1 60. c7 Rg7 61. hxg7 Kxg7 62. c8=Q Kf7 63. Qd7+ Kf8 64. Re8# |
| 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 Re8 11. Nc3 e6 12. Bd2 Ne7 13. Ne4 Nc6 14. e3 f5 15. Ng5 Be7 16. Nxe6 Kxe6 17. d5+ Kd7 18. dxc6+ Kxc6 19. Bc3 Rhg8 20. O-O-O g6 21. Kc2 Rd8 22. b4 a6 23. h4 Rge8 24. a4 b6 25. Kb3 h6 26. Rd4 Rd6 27. Rxd6+ Bxd6 28. Rd1 Re6 29. Rd5 Kb7 30. Bg7 h5 31. a5 Kc6 32. Bc3 Re4 33. axb6 cxb6 34. Rd2 Be5 35. Ra2 Kb7 36. Bxe5 Rxe5 37. Kc3 a5 38. bxa5 Rxa5 39. Rxa5 bxa5 40. f3 Kc6 41. e4 fxe4 42. fxe4 g5 43. hxg5 Kc7 44. g6 Kd6 45. g7 a4 46. g8=Q a3 47. c5+ Ke7 48. Qd5 h4 49. gxh4 Kf6 50. c6 Ke7 51. c7 a2 52. Qxa2 Kd7 53. Qa7 Ke6 54. c8=Q+ Ke5 55. Qf5+ Kd6 56. Qac5# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 107 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. Bd2 Nf6 17. Rhf1 Re6 18. Be3 b6 19. Rf5 Ng4 20. Bg5 Bh6 21. Bxh6 Rxh6 22. Rf7 Rxh2 23. Rdd7 Kb8 24. Rxc7 Ne3 25. Rb7+ Kc8 26. Rxa7 Kb8 27. Rab7+ Ka8 28. b3 Rd8 29. Ra7+ Kb8 30. Rfb7+ Kc8 31. Re7 Kb8 32. Rab7+ Ka8 33. Rxb6 Rg2 34. Rxe5 Rg1+ 35. Kb2 Ka7 36. Rh6 Rd2+ 37. Ka3 Nc2+ 38. Ka4 Rd7 39. Nb5+ Kb7 40. c5 Kc8 41. Re8+ Rd8 42. Nd6+ Kc7 43. Rxh7+ Kc6 44. Rxd8 Ra1 45. b4 Nd4 46. b5+ Kd5 47. Rh5+ Ke6 48. Rh6+ Kd5 49. Nf5+ Kc4 50. Rxd4+ Kc3 51. Ka3 Rc1 52. c6 Rc2 53. c7 Rd2 54. c8=Q# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 101 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. Bxf6 gxf6 15. O-O-O+ Kc8 16. Nd5 Bc5 17. Nxf6 Bxf2 18. Kc2 Bd4 19. Rhf1 b6 20. Nd5 c6 21. Nb4 c5 22. Nd5 Rg8 23. e3 Rg7 24. Rf6 Bxb2 25. Kxb2 h5 26. Rh6 Kb7 27. Rf1 Rd8 28. Rxh5 Re8 29. e4 Kc6 30. Rf6+ Kd7 31. Rhf5 Rh8 32. Rf2 Kc8 33. R6f5 Rgh7 34. h4 Rg7 35. R2f3 Kd7 36. Rxe5 Kd6 37. Ref5 Re8 38. Re3 Ke6 39. Nf4+ Ke7 40. Rd3 Ra8 41. Kc3 Rc8 42. h5 Rg4 43. h6 Rb8 44. h7 Rgg8 45. Re5+ Kf8 46. Ne6+ Kf7 47. Rf3+ Ke7 48. Nd4+ Kd6 49. Rf6+ Kd7 50. Rf7+ Kc8 51. hxg8=Q# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 97 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. Bg5 Bh6 16. Bxh6 Nxh6 17. Rf1 Kc8 18. Nd5 c6 19. Nf6 Rd8 20. b3 Nf7 21. Rf5 Rd4 22. Rd1 h6 23. e3 Rxd1+ 24. Kxd1 Rf8 25. Ng4 Rd8+ 26. Ke2 Rd7 27. Nxe5 Nxe5 28. Rxe5 Kc7 29. e4 Kd6 30. Rh5 Rh7 31. g4 Ke6 32. Ke3 Kf7 33. h3 Rh8 34. e5 Re8 35. Ke4 Re6 36. h4 Rg6 37. g5 hxg5 38. hxg5 b5 39. cxb5 cxb5 40. Kf5 Ra6 41. Rh2 b4 42. Rd2 Rd6 43. exd6 Ke8 44. d7+ Kd8 45. Rd6 a6 46. Ke6 Kc7 47. d8=Q+ Kb7 48. Qe7+ Kb8 49. Rd8# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 139 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. Rd1 Nc6 13. e4 Rd8 14. Be3 Kc8 15. d5 Ne5 16. Bxa7 Nxc4 17. b3 Ne5 18. Nc3 Bb4 19. Rac1 Bxc3 20. Rxc3 exd5 21. exd5 Kd7 22. Rdc1 Rc8 23. f4 Ng6 24. Bc5 Rhe8 25. Rd3 Re2 26. d6 cxd6 27. Rxd6+ Ke8 28. a4 Nf8 29. Rc3 Kf7 30. Rb6 Rc7 31. Re3 Ra2 32. Bb4 Ng6 33. Re1 Rd7 34. Rd6 Rxd6 35. Bxd6 Rb2 36. Re3 Rd2 37. Bb4 Rc2 38. h3 h6 39. h4 h5 40. Kf1 Rb2 41. a5 Kg8 42. Bc5 Rd2 43. b4 Kf7 44. Re2 Rd7 45. Kg2 Ne7 46. b5 Nd5 47. a6 b6 48. Bf2 Nc3 49. Rb2 g6 50. Rb3 Nd5 51. Kf3 Ke6 52. Rd3 Rc7 53. Bd4 Rc4 54. Bb2 Rc7 55. Rd2 Rf7 56. Bd4 Rc7 57. Ra2 Ra7 58. Rd2 Rc7 59. Ke4 Rc4 60. f5+ gxf5+ 61. Kf3 Rb4 62. Rd1 Rxb5 63. a7 Nb4 64. a8=Q Kf7 65. Qa4 Rd5 66. Qxb4 Re5 67. Bxe5 Kg7 68. Qe7+ Kg6 69. Qxf6+ Kh7 70. Qg7# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 89 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. e4 Nc6 13. Be3 Rd8 14. d5 Ne5 15. O-O-O Rc8 16. b3 b6 17. f4 Ng4 18. Bg1 Bb4 19. Kc2 Rhe8 20. h3 Nh6 21. Nb5 a6 22. Na7 Ra8 23. Nc6 Ba3 24. Kd3 Nf7 25. Nd4 exd5 26. cxd5 Nd6 27. Ne6 c5 28. Be3 Kc8 29. Rhf1 Kb7 30. e5 Nf5 31. g4 Nxe3 32. Kxe3 fxe5 33. fxe5 Re7 34. Rd2 Rd7 35. Ke4 Re8 36. Rdf2 h6 37. Rf8 Rxf8 38. Nxf8 Rc7 39. d6 Rc8 40. Rf7+ Kc6 41. Ne6 g6 42. d7 Bb4 43. dxc8=Q+ Kb5 44. Qd7+ Ka5 45. Qa4# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j in 115 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 e5 12. dxe5 fxe5 13. Be3 a6 14. O-O-O+ Kc8 15. f3 Nf6 16. Kc2 b6 17. Rhe1 e4 18. a3 Bd6 19. b4 Rhf8 20. c5 bxc5 21. bxc5 exf3 22. exf3 Be5 23. f4 Bxc3 24. Kxc3 Rf7 25. Bd4 Nd5+ 26. Kc4 Rd8 27. Rb1 Rfd7 28. Be5 Re7 29. Rb3 Nf6 30. h3 h6 31. Rbb1 Rf7 32. Bxf6 Rxf6 33. Re2 g6 34. a4 Kd7 35. Rbe1 h5 36. Re7+ Kc8 37. R1e6 Rdf8 38. Rxf6 Rxf6 39. h4 Kb7 40. a5 Kc6 41. Kd4 Rf8 42. Re6+ Kb5 43. Rxg6 Rd8+ 44. Ke4 Re8+ 45. Kd5 Rd8+ 46. Ke6 Kxa5 47. f5 Re8+ 48. Kd7 Re5 49. f6 Rf5 50. Ke6 Rf3 51. f7 Rf4 52. gxf4 Kb5 53. f8=Q a5 54. f5 a4 55. f6 a3 56. Qa8 Kb4 57. f7 Kb3 58. Qd5+ |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j in 101 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. Rd1 Bc5 15. O-O Rd8 16. Na4 Ne4 17. Nxc5 Nxd2 18. Rfe1 Nxc4 19. Rxd8+ Kxd8 20. Rd1+ Kc8 21. Ne6 b6 22. b3 Nd6 23. Nxg7 Kd7 24. Nh5 Ke6 25. f4 Ne4 26. Kg2 c5 27. Rd3 exf4 28. gxf4 c4 29. bxc4 Rf8 30. f5+ Kf7 31. Rd7+ Ke8 32. Rxa7 Rf7 33. Ng7+ Kf8 34. Ne6+ Ke8 35. Rxf7 Kxf7 36. Kf3 Nd2+ 37. Kf4 Nxc4 38. e4 Nb2 39. Ng5+ Kg7 40. Ke5 h6 41. f6+ Kf8 42. Ne6+ Kf7 43. Nd8+ Kf8 44. Kf5 Nd3 45. e5 Nc5 46. e6 h5 47. e7+ Ke8 48. Ne6 Kd7 49. Ng7 Na4 50. e8=Q+ Kc7 51. Qf7+ |
| 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 Bb4 13. Bd2 Nf6 14. Rd1 Kc8 15. a3 Be7 16. O-O Rd8 17. Be3 Rxd1 18. Rxd1 Ng4 19. Bd2 Bc5 20. e3 a5 21. Na4 Ba7 22. Bc3 Bxe3 23. fxe3 Nxe3 24. Rc1 Nxc4 25. b3 Nxa3 26. Bxe5 Kd8 27. Rxc7 g5 28. Rxh7 Rc8 29. Rh8+ Kd7 30. Nb6+ Ke6 31. Rxc8 Kxe5 32. Rc5+ Kf6 33. Kf2 g4 34. Ke3 Ke6 35. Rxa5 Nc2+ 36. Ke4 Ne1 37. Nc4 Nf3 38. h4 Kf6 39. Rb5 Kg6 40. Ne3 Nd2+ 41. Kf4 Kf7 42. Rxb7+ Ke8 43. h5 Nc4 44. bxc4 Kd8 45. h6 Kc8 46. Rg7 Kd8 47. h7 Kc8 48. h8=Q# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j 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 e5 11. dxe5 fxe5 12. Nc3 Bc5 13. Bg5 Kc8 14. O-O-O Nf6 15. e3 Rf8 16. Bxf6 gxf6 17. Ne4 Be7 18. g4 b6 19. h3 c6 20. Rd3 Kc7 21. Rhd1 Rad8 22. Rxd8 Bxd8 23. Nd6 Be7 24. Nf5 Rf7 25. Kc2 Bf8 26. b3 Rd7 27. Rxd7+ Kxd7 28. Kd3 Ke6 29. f3 h5 30. Ke4 hxg4 31. fxg4 Kf7 32. h4 Kg6 33. Kf3 a6 34. Ke2 b5 35. cxb5 cxb5 36. Kd3 a5 37. a4 bxa4 38. bxa4 Bc5 39. Ke4 Bb4 40. Kd5 Kf7 41. h5 Bf8 42. Nd6+ Kg8 43. Nc4 Kg7 44. Nxa5 Be7 45. Nc4 Bd8 46. a5 Bc7 47. Nb6 Bb8 48. Kc6 Kf7 49. a6 e4 50. Kb7 Bd6 51. a7 Bc5 52. a8=Q Bxe3 53. Qa4 Bxb6 54. Kxb6 Ke6 55. Qxe4+ Kd7 56. h6 f5 57. Qd3+ |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate 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 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 Rc5 20. b3 Re5 21. f3 Bc5 22. Bf4 Re6 23. Rd5 b6 24. Rad1 Re7 25. Ke2 Rhe8 26. g4 Kb7 27. R1d3 g6 28. Rd1 a5 29. R1d3 Kc6 30. h5 Kb7 31. Be3 Bxe3 32. Kxe3 Kc6 33. a3 Re5 34. b4 Rxd5 35. cxd5+ Kb5 36. bxa5 Kxa5 37. Rc3 Re7 38. hxg6 hxg6 39. Rc6 Rf7 40. g5 fxg5 41. Rxg6 Kb5 42. Rxg5 c5 43. e5 Ra7 44. e6 Rxa3+ 45. Ke4 Kb4 46. e7 Ra2 47. Re5 Kc4 48. e8=Q Rd2 49. Qa4+ Kc3 50. Qa3+ Kc2 51. Qa2+ Kc3 52. Qxd2+ Kxd2 53. d6 c4 54. d7 b5 55. d8=Q+ Kc1 56. Qg5+ Kb1 57. Rxb5+ Ka2 58. Qd5 Ka1 59. Qa8# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 127 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. Bc3 Nd7 17. Rd1 Rd8 18. e4 a6 19. b4 b5 20. Nc5 Bxc5 21. bxc5 Nxc5 22. Rxd8+ Kxd8 23. Ke2 Nd7 24. Rd1 Ke7 25. f4 exf4 26. gxf4 bxc4 27. Bxg7 Rg8 28. Rg1 c3 29. Rg3 c2 30. Kd2 Re8 31. Kxc2 Nf6 32. Bxf6+ Kxf6 33. Kd3 Re7 34. Rg5 Rd7+ 35. Ke3 Rd1 36. Rc5 Re1+ 37. Kd3 Rd1+ 38. Ke2 Rb1 39. Rc6+ Ke7 40. Rxc7+ Kd6 41. Rxh7 Rb2+ 42. Kf3 Rxa2 43. e5+ Kd5 44. Rd7+ Ke6 45. Rd6+ Kf7 46. Rf6+ Ke7 47. h4 a5 48. h5 a4 49. h6 Rh2 50. Ra6 Ke8 51. Ke4 a3 52. Ra8+ Kf7 53. Ra7+ Kg8 54. Rxa3 Rxh6 55. f5 Rh2 56. f6 Rf2 57. Kd5 Rc2 58. e6 Rc6 59. Rg3+ Kh7 60. Kxc6 Kh6 61. f7 Kh5 62. f8=Q Kh4 63. Qf4+ Kh5 64. Qg5# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j 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 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 a6 23. b3 b6 24. a3 Ree8 25. Rd5 Re5 26. Rad1 h6 27. R5d2 Ree8 28. a4 f5 29. Bxb6 fxe4 30. fxe4 Bxg3 31. Rxd8+ Rxd8 32. Rxd8+ Kxd8 33. Kxg3 cxb6 34. Kf4 Kd7 35. Kf5 h5 36. Kg6 Kd6 37. Kxh5 Ke7 38. Kg6 Ke6 39. h5 Ke5 40. Kxg7 Kxe4 41. h6 Ke5 42. h7 Ke6 43. h8=Q a5 44. Qh6+ Kd7 45. Qxb6 Kc8 46. Qxa5 Kd7 47. Qb5+ |
| 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 e5 11. dxe5 fxe5 12. Nc3 Nf6 13. Bg5 Kc8 14. O-O-O h6 15. Bxf6 gxf6 16. Nd5 Bc5 17. e4 Rf8 18. b4 Bxf2 19. Rhf1 Bd4 20. Rxf6 Rxf6 21. Nxf6 c5 22. b5 Rb8 23. Kc2 Kc7 24. Nd5+ Kd7 25. Rf1 Rd8 26. Rf7+ Kc8 27. Rc7+ Kb8 28. Rh7 Rf8 29. Rxh6 Kc8 30. Rh7 Rf2+ 31. Kb3 Rb2+ 32. Ka3 Rc2 33. Rh8+ Kd7 34. Rb8 b6 35. Rb7+ Kd6 36. Rxa7 Rxh2 37. Nxb6 Rg2 38. Rg7 Re2 39. Nc8+ Ke6 40. Re7+ Kf6 41. Rd7 Rxe4 42. b6 Re3+ 43. Ka4 Re2 44. a3 e4 45. b7 Rb2 46. Rd6+ Kf7 47. Nb6 Rxb6 48. Rxb6 Be5 49. Rb3 Kf6 50. Re3 Bc7 51. Rxe4 Bxg3 52. Kb5 Bd6 53. Re8 Kf5 54. Kc6 Bh2 55. Kxc5 Kf6 56. b8=Q Bxb8 57. Rxb8 Ke7 58. Rb7+ Ke6 59. a4 Ke5 60. a5 Ke6 61. a6 Kf5 62. Kd5 Kg4 63. c5 Kg5 64. c6 Kf6 65. c7 Kg7 66. c8=Q+ Kf6 67. Qg8 Kf5 68. Rf7# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 119 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. Nd5 Bd6 17. Kc2 h6 18. b3 Rad8 19. g4 Nxd5 20. Rxd5 c6 21. Rd3 Ba3 22. Rhd1 Kc7 23. Kc3 Rxd3+ 24. Rxd3 a5 25. Rd1 Bb4+ 26. Kc2 h5 27. g5 Ra8 28. f4 Bd6 29. f5 Rf8 30. c5 bxc5 31. Rf1 e4 32. f6 gxf6 33. gxf6 Kd7 34. Bh6 Rf7 35. Bd2 Ke6 36. h3 Rxf6 37. Rxf6+ Kxf6 38. Bxa5 Ke5 39. Bc3+ Kd5 40. a4 c4 41. b4 Bg3 42. a5 Bf2 43. a6 Kd6 44. Be1 Bd4 45. Bg3+ Kd5 46. Bb8 Ke6 47. a7 Bxa7 48. Bxa7 Kd5 49. Kc3 Ke5 50. Kxc4 Kf4 51. Kd4 Kg3 52. Kxe4 Kxh3 53. Kf3 Kh2 54. e4 h4 55. e5 h3 56. e6 c5 57. e7 c4 58. e8=R c3 59. Bb8+ Kg1 60. Re1# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 107 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. e4 e5 12. dxe5 fxe5 13. Be3 Bb4+ 14. Ke2 Nf6 15. Rd1+ Kc6 16. f3 a5 17. a3 Bc5 18. Bxc5 Kxc5 19. b3 Rad8 20. Nc3 Rhf8 21. Nd5 Kc6 22. Rd3 Rd6 23. b4 Nxd5 24. exd5+ Kd7 25. bxa5 Rb8 26. Re3 Rh6 27. h4 Rg6 28. Rb1 Rxg3 29. a6 b6 30. Rxe5 Ra8 31. Kf2 Rh3 32. Rh5 Rh2+ 33. Kg3 Re2 34. Rxh7 Re7 35. Rg1 Rxa6 36. Kf2 Rxa3 37. Rgxg7 Rxg7 38. Rxg7+ Kd6 39. h5 Ra4 40. h6 Rxc4 41. h7 Rh4 42. Kg3 Rh1 43. f4 b5 44. Kg2 Rh4 45. f5 b4 46. f6 b3 47. f7 Re4 48. f8=Q+ Kxd5 49. Rd7+ Kc6 50. h8=Q Rb4 51. Qff6+ Kb5 52. Qb8+ Ka5 53. Qa7+ Kb5 54. Qfa6# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 115 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. a3 Bc5 15. O-O-O Kc6 16. f3 Rhd8 17. b4 Be7 18. e4 Rd3 19. b5+ Kd7 20. Bh6 Rxd1+ 21. Rxd1+ Ke6 22. Bxg7 Bxa3+ 23. Kc2 Bd6 24. Nd5 Nxd5 25. exd5+ Kf7 26. Bh6 a5 27. Be3 b6 28. Ra1 a4 29. h4 a3 30. Kb3 Kg6 31. Ra2 Rf8 32. Rf2 h5 33. Bc1 Ra8 34. Ra2 Rf8 35. f4 Kf5 36. fxe5 Kxe5 37. Bxa3 Rf3+ 38. Ka4 Rxa3+ 39. Rxa3 Bxa3 40. Kxa3 Kd4 41. Kb4 Ke5 42. Ka4 Ke4 43. Kb3 Kd4 44. Kb4 Ke5 45. Kc3 Ke4 46. Kd2 Kd4 47. Ke2 c5 48. dxc6 Kxc4 49. c7 Kd5 50. c8=Q Ke5 51. Qc7+ Kd4 52. Qxb6+ Ke4 53. Qh6 Kd4 54. b6 Kd5 55. Kd3 Kc5 56. b7 Kd5 57. b8=Q Kc5 58. Qhd6# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 83 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. Bxf6 gxf6 15. O-O-O+ Kc8 16. Nd5 Bc5 17. Nxf6 Bxf2 18. Ng4 Bd4 19. e3 Rg8 20. exd4 Rxg4 21. Rhf1 b5 22. Rf8+ Kb7 23. Rxa8 Kxa8 24. dxe5 Rxc4+ 25. Kd2 Rd4+ 26. Kc2 Rxd1 27. Kxd1 Kb7 28. Ke2 Kc6 29. Ke3 Kd5 30. Kf4 Ke6 31. b4 a6 32. Ke4 h5 33. a3 Kd7 34. Kf5 Ke7 35. e6 Kf8 36. Kf6 a5 37. bxa5 Ke8 38. a6 c6 39. a7 Kd8 40. a8=Q+ Kc7 41. e7 Kd7 42. Qd8# |
| 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 e6 11. Nc3 Ne7 12. e4 Nc6 13. Be3 Rd8 14. d5 Ne5 15. O-O-O Be7 16. dxe6+ Kxe6 17. Nd5 c6 18. Nxe7 Kxe7 19. Bxa7 Nxc4 20. Bd4 Kf7 21. b3 Nd6 22. Bb6 Rd7 23. f4 Ke6 24. Rd4 Ra8 25. Kb2 Ra6 26. Bc5 b6 27. Bxd6 Rxd6 28. Rxd6+ Kxd6 29. Rd1+ Ke6 30. a4 c5 31. Kc3 g6 32. Kc4 g5 33. Kb5 Ra8 34. Kxb6 c4 35. bxc4 Rxa4 36. Kb5 Ra2 37. c5 Rxh2 38. Kc6 Re2 39. Rd6+ Ke7 40. Rd7+ Ke8 41. Rd4 h5 42. fxg5 fxg5 43. Kd6 Re3 44. c6 Kf7 45. c7 Rc3 46. Rd5 Rxc7 47. Kxc7 Ke6 48. Rxg5 Kf6 49. Rxh5 Ke6 50. Rf5 Ke7 51. g4 Ke6 52. g5 Ke7 53. Rf6 Ke8 54. Kd6 Kd8 55. Rf8# |