| 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. Nd5 f5 16. O-O-O Kc6 17. Ne3 f4 18. Nd5 Bd6 19. gxf4 exf4 20. Rd2 Rhg8 21. f3 b6 22. Rhd1 Rg5 23. b4 a5 24. b5+ Kc5 25. h4 Rg7 26. Rd4 Rg1 27. Re4 Rxd1+ 28. Kxd1 Rf8 29. Nc3 Kb4 30. Kc2 Bc5 31. Nd5+ Ka3 32. Nxc7 Kxa2 33. Ne6 Rc8 34. Nxc5 Rxc5 35. Kc3 Ka3 36. Rxf4 Re5 37. Re4 Rh5 38. Re6 Rxh4 39. Rxb6 Ka4 40. Rg6 Rh1 41. b6 Rc1+ 42. Kd4 Kb3 43. c5 Rd1+ 44. Ke3 Rd8 45. b7 Re8+ 46. Kd4 Re5 47. b8=Q+ Ka3 48. Kxe5 h5 49. Rb6 Ka4 50. Qg8 h4 51. Qb3# |
| 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. h4 e5 17. d5 Nb4 18. Rdd1 b6 19. a3 Na6 20. b4 f5 21. Kb2 Rhf8 22. Bf2 e4 23. Bd4 Bf6 24. d6 Bxd4 25. Rxd4 cxd6 26. Nb5 Re6 27. Nxd6+ Kc7 28. Nb5+ Kb8 29. Rd7 exf3 30. exf3 Re2+ 31. Kb3 Rc8 32. Rxg7 Nc7 33. Nd4 Re3+ 34. Kb2 Ne8 35. Rxh7 Nd6 36. c5 Nc4+ 37. Kb1 bxc5 38. bxc5 Rxc5 39. Rd1 Rxa3 40. h5 Ne5 41. Rh8+ Kb7 42. Rd2 a6 43. Rb2+ Ka7 44. Rh7+ Ka8 45. Ne6 Rc8 46. Nc7+ Rxc7 47. Rxc7 Nxf3 48. h6 f4 49. h7 Nd2+ 50. Kc2 Rxg3 51. h8=Q+ Rg8 52. Qxg8# |
| 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. 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. Be3 b6 20. Bf4 g5 21. hxg5 fxg5 22. Be5 Re8 23. Bg7 Bd6 24. e3 g4 25. Kg2 Rf5 26. Rd5 Rf7 27. Bd4 Kd7 28. Rd1 c6 29. Rg5 Rd8 30. Rxg4 Kc8 31. Bc3 Rfd7 32. Rgd4 Bc5 33. Rxd7 Rxd7 34. Rxd7 Kxd7 35. Kf3 b5 36. cxb5 cxb5 37. Ke4 h5 38. f4 Ke7 39. f5 Kf7 40. Be5 a5 41. b3 a4 42. Kf4 Be7 43. e4 h4 44. gxh4 Bxh4 45. bxa4 bxa4 46. Bd4 Be1 47. f6 Ke6 48. Kg5 Kf7 49. Kf5 Bb4 50. e5 Ke8 51. Ke6 a3 52. Be3 Kf8 53. Bg5 Kg8 54. f7+ Kh7 55. Be7 Bxe7 56. Kxe7 Kg6 57. f8=Q Kg5 58. e6 Kh5 59. Kd6 Kg4 60. e7 Kg3 61. e8=Q Kh3 62. Qg6 Kh4 63. Qfh6# |
| 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 h6 14. Bxf6 gxf6 15. Nd5 f5 16. O-O-O Kc6 17. e4 fxe4 18. Rhe1 Bd6 19. Rxe4 Rhf8 20. Rd2 Rf3 21. b4 Rd8 22. Rh4 Rh8 23. Rg4 a5 24. c5 Bf8 25. Rg6+ Kb5 26. Nxc7+ Kxb4 27. Rc2 Bxc5 28. Nd5+ Ka4 29. Rxc5 b5 30. Rg4+ Rf4 31. gxf4 b4 32. Nb6+ Ka3 33. Rxa5# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 81 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 Nf7 22. e3 Be5 23. Bb4 f5 24. Nxg5 f4 25. Nxf7 Rxd1+ 26. Rxd1 Re8 27. Nxe5 Rxe5 28. gxf4 Re6 29. Kg2 Kc7 30. Bc3 Rg6+ 31. Kf3 Kb6 32. f5 Rg5 33. f6 Rf5+ 34. Ke2 h5 35. e4 Kc7 36. exf5 b5 37. f7 b4 38. Be5+ Kb6 39. f8=Q a6 40. Qxb4+ Ka7 41. Qb8# |
| 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 e5 11. dxe5 fxe5 12. Nc3 Nf6 13. Be3 b6 14. a3 Kc6 15. Rd1 Bc5 16. Bxc5 Kxc5 17. b3 Rhd8 18. O-O Rd4 19. e3 Rd6 20. Rxd6 Kxd6 21. f3 Kc5 22. Rd1 a6 23. Nd5 Ra7 24. e4 b5 25. Kf2 bxc4 26. Nxf6 gxf6 27. Rc1 Rb7 28. Rxc4+ Kd6 29. Rc3 Rb6 30. Ke3 Rc6 31. Rxc6+ Kxc6 32. h3 Kd6 33. g4 Ke6 34. h4 a5 35. g5 f5 36. Kd3 c6 37. h5 f4 38. Kc4 Kf7 39. Kc5 Ke6 40. Kxc6 Ke7 41. Kd5 Kf8 42. Kxe5 Kg7 43. b4 Kf7 44. bxa5 h6 45. g6+ Ke8 46. a6 Kf8 47. a7 Kg7 48. Ke6 Kf8 49. a8=Q+ Kg7 50. Qb7+ Kg8 51. Qd7 Kf8 52. Qf7# |
| 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 e5 11. dxe5 fxe5 12. Nc3 Nf6 13. Bg5 h6 14. O-O-O+ Kc8 15. Bxf6 gxf6 16. Kc2 c6 17. Rd3 Bb4 18. Rhd1 f5 19. Rd7 b6 20. f3 Rf8 21. b3 a6 22. Rh7 Rf6 23. Rdd7 b5 24. Kd3 Rb8 25. e3 Bc5 26. cxb5 axb5 27. Rdf7 Rxf7 28. Rxf7 Rb7 29. Rxf5 Rd7+ 30. Ke2 Bb4 31. Nb1 Ra7 32. a3 Bxa3 33. Rf6 Kd7 34. Rxh6 Be7 35. Kd3 Ra2 36. Rh7 Ke6 37. Nc3 Rb2 38. Rh6+ Kd7 39. Nd1 Rxb3+ 40. Ke4 b4 41. h4 Bd6 42. Rh7+ Ke6 43. f4 exf4 44. gxf4 Rb1 45. Nf2 Rg1 46. Nh3 Rg4 47. Ng5+ Kf6 48. Kf3 Rxg5 49. hxg5+ Ke6 50. Ke4 Bf8 51. f5+ Kd6 52. g6 c5 53. Rb7 c4 54. f6 b3 55. g7 Bxg7 56. fxg7 Ke6 57. g8=Q+ Kf6 58. Qg4 b2 59. Qf5# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 77 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. dxe6+ Kxe6 20. Nd5 Ba3+ 21. Kc2 c6 22. h3 Nh6 23. f5+ Kf7 24. Nf4 Rhe8 25. Ne6 g6 26. g4 Ke7 27. Bd4 Nf7 28. Rhf1 c5 29. Bc3 Ne5 30. g5 Rc7 31. gxf6+ Kxf6 32. Nxc7 Rb8 33. Nd5+ Kf7 34. fxg6+ Kxg6 35. Rf6+ Kh5 36. Nf4+ Kg5 37. Rf5+ Kh6 38. Bxe5 Bb4 39. Rd6# |
| 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 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 c6 28. Rd6 Rxe5 29. Rxh6 Re2+ 30. Kc3 Kb7 31. Rh7+ Ka6 32. g4 Rg2 33. h3 Rg3+ 34. Kd4 Rg2 35. b3 Rxa2 36. g5 Rg2 37. h4 Rg3 38. Ke5 c5 39. Kf4 Rxb3 40. g6 Rb4+ 41. Kf3 Rb3+ 42. Kg4 Rb1 43. h5 c4 44. Rc7 Rg1+ 45. Kf5 Rh1 46. Kg5 Rg1+ 47. Kf6 b5 48. h6 Kb6 49. h7 Kxc7 50. h8=Q Rg4 51. Qa8 Rg3 52. g7 Kd7 53. Qb7+ Kd6 54. Qb8+ Kc6 55. Qxg3 a5 56. g8=Q a4 57. Qc8+ Kb6 58. Qgc7# |
| 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. Nc3 g5 12. f4 h6 13. O-O gxf4 14. Bxf4 e5 15. Be3 b6 16. d5 Be7 17. a3 Rh7 18. b4 Rg7 19. Bd2 h5 20. Kh1 h4 21. gxh4 Rg4 22. e4 Rxh4 23. Rf3 Rg4 24. Rg1 Rxg1+ 25. Kxg1 Bf8 26. Be3 Re7 27. Kf2 Rh7 28. h3 c6 29. c5 bxc5 30. bxc5 cxd5 31. exd5 Rh4 32. c6+ Kd8 33. Bxa7 Bxa3 34. Bb6+ Ke7 35. Rg3 Nh6 36. Rg7+ Nf7 37. Nb5 Rf4+ 38. Kg1 Bb4 39. d6+ Bxd6 40. Rxf7+ Ke6 41. Nxd6 Kxd6 42. c7 Rc4 43. Rxf6+ Kd7 44. Rf8 Rc6 45. Rd8+ Ke7 46. c8=Q Rxc8 47. Rxc8 Ke6 48. Rc5 e4 49. Kf2 Kf7 50. Ke3 Kf6 51. Kxe4 Ke7 52. h4 Kf6 53. Rg5 Ke7 54. h5 Ke6 55. h6 Kf6 56. Bd8+ Kf7 57. h7 Ke6 58. h8=Q Kf7 59. Qg8# |
| 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 Bb4 13. Bd2 Nf6 14. a3 Bc5 15. O-O-O Kc8 16. Be1 b6 17. b4 Bd6 18. f3 Rd8 19. e4 a5 20. Nb5 axb4 21. Nxd6+ Rxd6 22. Rxd6 cxd6 23. Bxb4 Kc7 24. Rd1 Rd8 25. Kc2 Kc6 26. Kd2 Kd7 27. Kd3 Ke6 28. Ke3 g5 29. Rd3 Rd7 30. h3 Nh5 31. Kf2 Nf6 32. Rd1 h6 33. Ke3 Nh5 34. Kf2 Nf6 35. Rd2 Ne8 36. Ke2 Rc7 37. Rc2 Nf6 38. Kd3 Rc8 39. Rd2 Rc7 40. Ke3 Rc6 41. Ke2 Nd7 42. Rd5 Nc5 43. Rd1 Nb3 44. Kd3 Nc5+ 45. Ke3 Nb7 46. Rc1 b5 47. Kd3 Nc5+ 48. Bxc5 Rxc5 49. Rc3 h5 50. cxb5 Rxb5 51. a4 Rb4 52. Ra3 d5 53. a5 h4 54. exd5+ Kd6 55. a6 hxg3 56. a7 Rc4 57. Kxc4 g4 58. a8=Q Kd7 59. Qb7+ Kd8 60. Ra8# |
| 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 Re8 11. Be3 e6 12. Nd2 Ne7 13. Nf3 Nc6 14. O-O-O Kc8 15. h4 h6 16. Bd2 Rd8 17. Bc3 b6 18. e4 Bb4 19. Bxb4 Nxb4 20. a3 Na6 21. b4 c6 22. Kd2 Kd7 23. Ke3 Ke7 24. h5 Kf7 25. Rc1 c5 26. bxc5 bxc5 27. d5 Rhe8 28. Rhd1 exd5 29. cxd5 Rd6 30. Rd3 Rdd8 31. Nh4 Rd7 32. f4 Rde7 33. Rc4 Rd8 34. Nf5 Rc7 35. Rb3 Rcd7 36. g4 Re8 37. d6 Ke6 38. Rb5 Red8 39. Ra5 Rxd6 40. Nxd6 Rxd6 41. Rca4 Nb8 42. Rxa7 Nd7 43. R4a6 Ke7 44. Rxd6 Kxd6 45. a4 Kc6 46. a5 Nb6 47. axb6 Kb5 48. b7 g5 49. b8=Q+ Kc6 50. Rc7+ Kd6 51. Qb6# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 63 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. a3 Be7 15. Rd1 b6 16. f3 Kb7 17. Nd5 Rae8 18. Nxe7 Rxe7 19. b4 e4 20. f4 Rf8 21. h3 c6 22. Rf1 g6 23. f5 Ref7 24. g4 gxf5 25. Bh6 Rg7 26. Bxg7 Rf7 27. Bxf6 Rxf6 28. Rxf5 h5 29. Rxf6 Kc7 30. gxh5 Kb8 31. Rd7 a5 32. Rf8# |
| 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 Nf6 13. Bd2 Kc8 14. f3 Bc5 15. Na4 Be7 16. e4 b6 17. Bc3 Nd7 18. Rd1 a6 19. b4 b5 20. Nc5 Nxc5 21. bxc5 Bxc5 22. Bxe5 Rg8 23. Ke2 Be7 24. Rb1 g6 25. cxb5 axb5 26. Rxb5 Rxa2+ 27. Rb2 Rxb2+ 28. Bxb2 Rd8 29. Be5 c6 30. Ra1 Kd7 31. f4 Ke6 32. Ra6 Rc8 33. Ra7 h6 34. Bc3 Bf8 35. g4 Kd6 36. f5 gxf5 37. gxf5 Re8 38. Kf3 Rd8 39. Kf4 h5 40. Be5+ Kc5 41. f6 Rd2 42. Kf3 Bh6 43. f7 Rd3+ 44. Kf2 Rd2+ 45. Kg3 Bf8 46. Kf3 Kb6 47. Ra8 Be7 48. Rb8+ Ka6 49. Rb2 Rd7 50. Rc2 Kb6 51. Rf2 c5 52. Rg2 Rd3+ 53. Kf4 Kc6 54. Rg3 Rxg3 55. hxg3 Kd7 56. Kf5 Bf8 57. Bf6 c4 58. e5 Be7 59. e6+ Kc7 60. Bxe7 Kb7 61. f8=Q c3 62. Bg5 h4 63. Qb4+ Kc6 64. e7 c2 65. e8=Q+ Kd5 66. Qee4# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j 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 e5 11. dxe5 fxe5 12. Nc3 Bb4 13. Bd2 Nf6 14. O-O-O Kc8 15. f3 Rd8 16. Nd5 Bxd2+ 17. Rxd2 c6 18. Nxf6 Rxd2 19. Kxd2 gxf6 20. Rd1 Kc7 21. Kc3 Rd8 22. Rxd8 Kxd8 23. b4 b6 24. e4 Kd7 25. c5 bxc5 26. bxc5 Ke6 27. Kd3 f5 28. exf5+ Kxf5 29. h3 h6 30. Ke3 h5 31. a3 Kf6 32. Ke4 Ke6 33. h4 Kf6 34. g4 Ke6 35. gxh5 Kf6 36. h6 a6 37. h7 Kg7 38. Kxe5 Kxh7 39. Kd6 Kg6 40. Kxc6 a5 41. Kd6 Kh5 42. c6 Kxh4 43. c7 Kg3 44. c8=Q Kxf3 45. Qc6+ Kf4 46. Qa4+ Ke3 47. Qxa5 Kd4 48. Qd5+ Ke3 49. a4 Kf4 50. a5 Ke3 51. Ke5 Ke2 52. Kf4 Kf2 53. a6 Ke2 54. a7 Kf2 55. Qd2+ |
| 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 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. Nc5 Nxe2 31. Ne6+ Kb6 32. Bc5+ Kb7 33. Be3 Bc1 34. Nc5+ Kc7 35. Ne4 Bb2 36. Kf1 Nc1 37. Nxf6 Bxf6 38. Bxc1 Kd6 39. Ke2 h6 40. Be3 a6 41. Kd3 Ke6 42. f4 gxf4 43. Bxf4 h5 44. g4 hxg4 45. hxg4 Kf7 46. b4 Ke6 47. Be3 Bd8 48. Ke4 Be7 49. a3 Bf6 50. Bd2 Be7 51. g5 Bd8 52. g6 Bf6 53. Bc1 Bc3 54. Bg5 Bf6 55. Bxf6 a5 56. Bg5 c5 57. bxa5 Kd6 58. g7 Kd7 59. a6 Kc6 60. g8=Q Kb6 61. Qb8+ Kc6 62. Qc8+ Kd6 63. Qb7 Ke6 64. Qd5# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j 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 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 Kd7 22. dxe5+ Ke6 23. Rf4 Rag8 24. Rd5 Rxf4 25. gxf4 Rg4 26. Rd4 Kf5 27. h3 Rh4 28. Kd2 Rxh3 29. Rd7 Rf3 30. Rf7+ Ke6 31. Ke2 Rh3 32. Rxc7 Rh2+ 33. Ke3 Rxb2 34. Rh7 Rh2 35. a3 a5 36. Rxb7 h5 37. Rb6+ Kd7 38. f5 Rh3+ 39. Ke4 Rc3 40. e6+ Kc7 41. e7 Kd7 42. Kd4 Rg3 43. Re6 Ke8 44. f6 Rg8 45. Rd6 Rg7 46. Rd8+ Kf7 47. e8=Q+ Kxf6 48. Rd6+ Kg5 49. Qe4 Rd7 50. Rxd7 Kf6 51. Qe5+ Kg6 52. Qe4+ |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j 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. 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. Rab1 g5 21. Bd2 Nf7 22. e3 Be5 23. f4 f5 24. Nxg5 Nxg5 25. fxg5 Rhg8 26. Bb4 Rde8 27. Rd3 Rxg5 28. Rbd1 Rg7 29. a3 h5 30. Kh1 Rg4 31. Ba5 b6 32. Be1 Bb2 33. a4 Rge4 34. Bf2 R4e7 35. Kg2 Rg8 36. Rd6 Kc7 37. Rh6 Rh8 38. Rdd6 c5 39. Rxh8 Bxh8 40. Rh6 Bc3 41. Rxh5 Rf7 42. Rh6 Bg7 43. Rg6 Bb2 44. h4 Kd8 45. h5 Ke7 46. h6 Rf6 47. Rxf6 Kxf6 48. Kf3 Kg6 49. Kf4 Bf6 50. h7 a5 51. g4 Bg5+ 52. Kf3 fxg4+ 53. Kxg4 Bf6 54. Bh4 Bc3 55. Bd8 Kxh7 56. Bxb6 Bb4 57. Kf5 Kg7 58. Ke6 Kg6 59. Kd5 Kf5 60. Bxc5 Bxc5 61. Kxc5 Ke4 62. Kb6 Kd3 63. c5 Kc3 64. Kxa5 Kxb3 65. c6 Kc2 66. Kb6 Kd3 67. c7 Kc4 68. c8=Q+ Kd5 69. Qc6+ Ke5 70. Qc5+ |
| 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 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 b6 21. f3 Re8 22. b3 g6 23. Re1 Bb4 24. Re2 Bc3 25. Rb1 h6 26. Bf4 f5 27. Rc1 Bd4 28. Rd1 Bc5 29. Rh1 Bd6 30. g4 fxg4 31. fxg4 Rxh4 32. Rxh4 Bxf4 33. Rh3 Kd7 34. Rf3 Be5 35. Rd2+ Ke6 36. Kf2 c5 37. Rd5 Re7 38. Ke3 Bd4+ 39. Ke2 a6 40. Kd3 Bf6 41. a3 Bb2 42. Rf8 Bxa3 43. Rb8 b5 44. Rb6+ Kf7 45. Rxa6 bxc4+ 46. bxc4 Bb2 47. Rxc5 Bg7 48. Rd5 Be5 49. c5 Bf4 50. c6 Be5 51. Rd7 Ke6 52. Rxe7+ Kxe7 53. Ra7+ Kd6 54. Rh7 Kxc6 55. Rxh6 Kd6 56. Rxg6+ Kd7 57. g5 Bf4 58. Rg7+ Ke8 59. g6 Bg3 60. Rf7 Bb8 61. Rf5 Kd8 62. g7 Ke8 63. g8=Q+ Ke7 64. Qf7+ Kd8 65. Rg5 Bd6 66. Rg8+ Bf8 67. Rxf8# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j 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 e5 11. dxe5 fxe5 12. Nc3 Nf6 13. Bd2 Kc8 14. f3 Bc5 15. Na4 Be7 16. O-O-O e4 17. Nc3 Re8 18. Bf4 Bb4 19. Nb5 Ba5 20. Kb1 exf3 21. exf3 a6 22. Nd4 Bb4 23. Rd3 Nh5 24. Be3 g6 25. Nc2 Bf8 26. Rhd1 Nf6 27. Bg5 Bg7 28. Nb4 h6 29. Bxf6 Bxf6 30. Nd5 Bd8 31. Nc3 Bf6 32. Ne4 Be7 33. h4 Rd8 34. Rxd8+ Bxd8 35. f4 Be7 36. b3 c6 37. Nd6+ Kc7 38. Nf7 h5 39. Kc2 Bc5 40. Ne5 Bd6 41. Rd3 Bxe5 42. fxe5 Rf8 43. e6 Re8 44. Rd7+ Kc8 45. Rd6 c5 46. e7 Rxe7 47. Rxg6 Re2+ 48. Kb1 Rg2 49. Rg5 b6 50. Rg8+ |