| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 137 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. Nb5 exd5 17. Rxd5+ Kc8 18. Nxa7+ Kb8 19. Nb5 c6 20. Rxd8+ Rxd8 21. Nd4 Nxc4 22. Ne6 Rg8 23. Bf4+ Bd6 24. Bxd6+ Nxd6 25. f3 Kc8 26. Rd1 Kd7 27. Nf4 Rd8 28. h4 Ke7 29. Kc2 b6 30. a3 g5 31. hxg5 fxg5 32. Ne2 g4 33. Nd4 Rc8 34. fxg4 Kf6 35. Kd3 c5 36. Rf1+ Ke5 37. Nf3+ Ke6 38. Rh1 Rh8 39. Rh6+ Ke7 40. g5 b5 41. Ne5 Rc8 42. Rxh7+ Ke6 43. Ng6 Nc4 44. Nf4+ Kd6 45. Kc3 Re8 46. Rh6+ Ke5 47. Nd3+ Kxe4 48. g6 Kf5 49. g7 Rg8 50. Rh5+ Kf6 51. a4 Rxg7 52. Rxc5 Nd6 53. Rc6 Ke6 54. axb5 Rxg3 55. b6 Kd7 56. Rc7+ Kd8 57. Rh7 Kc8 58. Kd4 Kb8 59. Nc5 Rg5 60. Rh8+ Nc8 61. b7 Rxc5 62. Kxc5 Kxb7 63. b4 Ne7 64. Rh7 Kc8 65. Rxe7 Kd8 66. Kd6 Kc8 67. Kc6 Kd8 68. Re5 Kc8 69. Re8# |
| 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 Bc5 17. e3 Rg8 18. h3 c6 19. Ne4 Be7 20. Nd6+ Kc7 21. Nf5 Bf8 22. g4 Rg6 23. f4 Bc5 24. a3 a5 25. Rh2 Rd8 26. Rxd8 Kxd8 27. Rd2+ Kc7 28. Kd3 exf4 29. exf4 Rg8 30. Kc3 a4 31. Rd3 Rh8 32. Ng7 b5 33. Ne6+ Kb6 34. cxb5 cxb5 35. Nxc5 Kxc5 36. Rd7 Re8 37. Kd3 Re1 38. Rc7+ Kd5 39. Rb7 Kc5 40. Rf7 Rb1 41. Rxf6 Rxb2 42. Rxh6 Rb3+ 43. Ke4 Rxa3 44. f5 Ra1 45. f6 Rf1 46. Rh5+ Kc6 47. Rf5 Rg1 48. f7 Re1+ 49. Kf4 b4 50. f8=Q Rf1+ 51. Ke5 Rxf5+ 52. gxf5 Kb5 53. f6 a3 54. Qa8 Kc4 55. f7 Kb3 56. f8=Q Kc2 57. Qf2+ Kd3 58. Qd5+ Kc3 59. Qfd2# |
| 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 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. Rd1+ Kc8 21. Nd5 f5 22. Nf6 a5 23. Ng8 h5 24. Rd5 Bd6 25. c5 Kd7 26. cxd6 c6 27. Rxe5 Rxg8 28. Rxf5 h4 29. Rf6 hxg3 30. hxg3 Rxg3 31. Kc3 b5 32. e4 b4+ 33. Kb3 Rg2 34. e5 a4+ 35. Kxa4 Re2 36. Rf7+ Kd8 37. f4 Rd2 38. b3 Ke8 39. Rh7 Rxa2+ 40. Kxb4 Re2 41. Kc5 Re3 42. Kxc6 Rc3+ 43. Kd5 Re3 44. d7+ Kd8 45. Ke6 Kc7 46. Rh8 Rf3 47. d8=Q+ Kc6 48. Qd6+ Kb5 49. Rb8+ Ka5 50. Qb6# |
| 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 Re8 11. Nc3 g5 12. f4 h6 13. O-O gxf4 14. Bxf4 e5 15. Be3 a5 16. d5 Kc8 17. Ne4 Be7 18. Rf5 h5 19. Raf1 h4 20. g4 h3 21. g5 fxg5 22. Rxe5 Nf6 23. Bxg5 Nxe4 24. Bxe7 Rhg8+ 25. Kh1 Nd2 26. Rf4 Rg2 27. Bh4 Reg8 28. Bg3 Kd7 29. Rf7+ Kd8 30. Ree7 Nxc4 31. Bxc7+ Kc8 32. Bg3 R2xg3 33. hxg3 Nd6 34. Rh7 Nf5 35. Re5 Nxg3+ 36. Kh2 b5 37. d6 Nf1+ 38. Kxh3 Rg3+ 39. Kh4 Kd8 40. Rxb5 Rg4+ 41. Kxg4 Nd2 42. Rb8# |
| 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 Re8 11. O-O e5 12. dxe5 Rxe5 13. Nc3 Bb4 14. Rd1+ Kc8 15. Nd5 Bd6 16. Kf1 Rh5 17. h4 Ne7 18. Nc3 Bb4 19. Bd2 Rd8 20. a3 Bd6 21. Nb5 Nc6 22. Nxd6+ Rxd6 23. Bc3 Rc5 24. b3 b5 25. Rxd6 cxd6 26. Bb4 Nxb4 27. axb4 Rc7 28. cxb5 Kd7 29. e3 h6 30. Ke2 Rb7 31. e4 d5 32. exd5 Rxb5 33. Rxa7+ Kd6 34. Rxg7 Rxb4 35. Rg6 Kxd5 36. Rxf6 Rxb3 37. h5 Ke4 38. Rxh6 Rb2+ 39. Kf1 Rb4 40. Ra6 Kf3 41. Ra3+ Kg4 42. h6 Kh5 43. Ra6 Kg5 44. h7 Rb8 45. Kg2 Kf5 46. f4 Rb2+ 47. Kh3 Rb8 48. Rh6 Rh8 49. Kh4 Ke4 50. Kg5 Kf3 51. f5 Kxg3 52. f6 Rc8 53. h8=Q Rxh8 54. Rxh8 Kf3 55. Re8 Kf2 56. f7 Kf3 57. f8=Q+ Kg2 58. Re2+ Kg1 59. Qf5 Kh1 60. Qf1# |
| 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 Nf6 13. Bg5 h6 14. Bxf6 gxf6 15. Nd5 f5 16. O-O-O Kc6 17. Ne3 f4 18. Nd5 Bd6 19. Kc2 Rad8 20. Rhe1 Rhg8 21. b4 a6 22. e4 fxe3 23. f3 e4 24. fxe4 Rgf8 25. Rxe3 Rf2+ 26. Kb3 Re8 27. h3 Be5 28. a3 Rb2+ 29. Ka4 b6 30. Rc1 Bd4 31. Ree1 Kb7 32. c5 Bf2 33. Rf1 bxc5 34. Nf6 Rd8 35. Ng4 Bxg3 36. Rxc5 Re8 37. e5 h5 38. Rf3 Bh4 39. Nf6 Rf8 40. Rc4 Be1 41. Re4 Re8 42. Nxe8 Bd2 43. e6 Bxb4 44. Rxb4+ Ka7 45. Rxb2 a5 46. Rf5 c5 47. Rxc5 Ka6 48. Rxa5# |
| 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 Bb4 13. Bd2 Nf6 14. a3 Bc5 15. f3 Kc8 16. b4 Be7 17. Nd5 Bd6 18. e4 c6 19. Nxf6 gxf6 20. Be3 Rd8 21. Rd1 Kc7 22. Ke2 Be7 23. Rhe1 Rxd1 24. Rxd1 a5 25. Bc5 Bxc5 26. bxc5 Rd8 27. Rxd8 Kxd8 28. Kd3 Ke7 29. Kc3 Kd7 30. Kc2 Ke6 31. Kb3 f5 32. Ka4 fxe4 33. fxe4 Kd7 34. Kxa5 Kc7 35. g4 Kd8 36. Kb6 Kd7 37. Kxb7 h6 38. a4 Kd8 39. a5 Ke8 40. a6 Kf7 41. Kxc6 Kg6 42. Kd6 Kf6 43. c6 Kg5 44. a7 Kf4 45. c7 Kxe4 46. a8=Q+ Kd3 47. Qf3+ Kc2 48. Kxe5 Kd2 49. c8=Q Kc2 50. Qcf5+ |
| 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. O-O Ne7 12. Nc3 Rd8 13. e4 Nc6 14. Be3 Bb4 15. Ne2 h6 16. a3 Be7 17. b4 Rhe8 18. f4 Nb8 19. d5 a5 20. bxa5 Na6 21. Rfb1 exd5 22. cxd5 Bc5 23. Bxc5 Nxc5 24. Nc3 Nxe4 25. Nxe4 Rxe4 26. Rxb7 Kc8 27. a6 Rxd5 28. Rb4 Rxb4 29. axb4 Kb8 30. h4 Ka7 31. Kf2 Rb5 32. Rc1 Rxb4 33. Rxc7+ Kxa6 34. Rxg7 h5 35. Rh7 Rb2+ 36. Kf3 Rb3+ 37. Ke4 Rxg3 38. Rxh5 Kb6 39. Rh6 Kc7 40. h5 Kd7 41. Rxf6 Ke7 42. Rc6 Rh3 43. h6 Kf7 44. Rd6 Rh5 45. f5 Rh2 46. Rd7+ Kf8 47. h7 Re2+ 48. Kd4 Rh2 49. Kd5 Ke8 50. Rg7 Kf8 51. f6 Rd2+ 52. Ke5 Rh2 53. Rg8+ Kf7 54. h8=Q Rg2 55. Qh7+ Rg7 56. Qxg7# |
| 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 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 Bc5 19. gxf4 exf4 20. Rhf1 Rae8 21. b4 Bd6 22. Rd2 f3 23. exf3 Bxh2 24. Rfd1 Re6 25. Rh1 Bd6 26. c5 Bf8 27. Rhd1 Rh7 28. a4 b6 29. b5+ Kd7 30. Nf6+ Ke7 31. Nxh7 Kf7 32. Nxf8 Kxf8 33. Rd7 bxc5 34. Rxc7 Re2 35. Rxa7 Re8 36. b6 Ra8 37. Rxa8+ Ke7 38. a5 h5 39. a6 h4 40. b7 c4 41. a7 Kf7 42. b8=Q Kf6 43. Qf4+ Kg7 44. Rg1+ Kh7 45. Qxh4# |
| 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. 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 Rxd1+ 20. Rxd1 Be7 21. f3 Rd8 22. Rxd8+ Kxd8 23. Kf2 Kd7 24. Ke3 Ng6 25. g4 Nxf4 26. Kxf4 b6 27. Ke3 Ke6 28. Kd4 g6 29. f4 h6 30. Ng3 f5 31. gxf5+ gxf5 32. e4 c5+ 33. Kd3 fxe4+ 34. Kxe4 Bd6 35. Nh5 Bc7 36. f5+ Kf7 37. h3 Bd8 38. Kd5 Bg5 39. Kc6 Bd8 40. Kb7 Ke8 41. Kxa7 Kd7 42. Nf4 Kd6 43. Ne6 Be7 44. Kxb6 Ke5 45. Nxc5 Kxf5 46. a4 Bxc5+ 47. Kxc5 Ke6 48. Kc6 Ke5 49. a5 Kd4 50. a6 Kd3 51. a7 h5 52. a8=Q Kd4 53. Qh8+ Kd3 54. Qxh5 Ke4 55. c5 Kf4 56. Kb5 Ke3 57. c6 Kd4 58. Qc5+ Kd3 59. Qd5+ Ke3 60. Qc5+ Kd3 61. b4 Ke4 62. c7 Kd3 63. Qc4+ Ke3 64. c8=Q Kf3 65. Q8g4+ Kf2 66. Qce2# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j 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 Re8 11. Nc3 g5 12. Be3 e6 13. h4 g4 14. O-O-O Bb4 15. Kc2 Bxc3 16. Kxc3 Ne7 17. Bf4 f5 18. f3 Rhg8 19. Rhf1 a6 20. e4 gxf3 21. exf5 exf5 22. Rxf3 Nc8 23. Rdd3 Re4 24. b3 Re2 25. a4 Rg2 26. Rd2 Rxd2 27. Kxd2 Nd6 28. Kd3 c6 29. d5 Rg4 30. Kd4 cxd5 31. cxd5 Rg6 32. Rd3 Ne4 33. Ke5 Nd6 34. Re3 Rg8 35. Rf3 b6 36. Re3 Rg6 37. Rc3 Ne4 38. Rf3 Nd6 39. Be3 Ke7 40. Bf2 Kd7 41. Bd4 b5 42. axb5 axb5 43. Be3 Rg7 44. Bf4 Rg8 45. Kd4 Ne4 46. h5 Nf6 47. Be5 Nxh5 48. Rxf5 Nxg3 49. Rf7+ Ke8 50. Rxh7 Rg4+ 51. Kc5 Rg5 52. Bf4 Ne4+ 53. Kd4 Nf6 54. Re7+ Kxe7 55. Bxg5 Kf7 56. Bxf6 Ke8 57. Kc5 b4 58. d6 Kf7 59. Bh4 Ke6 60. Kc6 Kf5 61. d7 Ke5 62. d8=Q Ke4 63. Qd6 Ke3 64. Qe5+ |
| 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 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 Be7 22. Bc3 Bf6 23. Rd5 e4 24. h3 Bxc3 25. Nxc3 Nf6 26. Re5 Kd7 27. Nxe4 Nxe4 28. Rxe4 Ra6 29. Kg2 Rb6 30. b4 axb4 31. c5 Rf6 32. axb4 b6 33. cxb6 Rxb6 34. f4 Rb5 35. Rc4 c5 36. bxc5 Kc6 37. Kf3 Rxc5 38. Rxc5+ Kxc5 39. f5 h6 40. e4 Kd6 41. Kf4 Kd7 42. e5 Ke7 43. Kg4 Ke8 44. Kh5 Kd8 45. Kg6 h5 46. Kxg7 Ke7 47. f6+ Kd7 48. f7 h4 49. gxh4 Ke6 50. f8=Q Kxe5 51. Qb8+ Ke6 52. Qd8 Ke5 53. Qg5+ Kd6 54. h5 Kc6 55. h6 Kd7 56. h7 Ke6 57. h8=Q Kd6 58. Qhd8+ Kc6 59. Qgd5# |
| 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. a3 Be7 15. Rd1 b6 16. f3 Re8 17. g4 Kb7 18. g5 Nh5 19. Nd5 Bf8 20. O-O c6 21. Nc3 Rad8 22. b4 Nf4 23. Kh1 Be7 24. h4 h6 25. Bxf4 exf4 26. Ne4 hxg5 27. hxg5 Rxd1 28. Rxd1 Rh8+ 29. Kg2 Kc7 30. Rd4 Rh5 31. Kf2 a5 32. bxa5 bxa5 33. c5 Bf6 34. gxf6 gxf6 35. Nxf6 Rxc5 36. Rxf4 Rc3 37. a4 Kd6 38. Ne4+ Ke5 39. Rh4 Ra3 40. Rh5+ Kd4 41. Rxa5 Rb3 42. Rc5 Ra3 43. Rxc6 Rxa4 44. e3+ Kd5 45. Rc5+ Ke6 46. Kg3 Ra1 47. Kf4 Ra2 48. Re5+ Kd7 49. Ng3 Rc2 50. e4 Rh2 51. Nf5 Rb2 52. Re7+ Kc6 53. e5 Kd5 54. Rd7+ Ke6 55. Rd6+ Kf7 56. e6+ Kg6 57. e7+ Kf7 58. Rd8 Rb4+ 59. Kg5 Rf4 60. e8=Q# |
| 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 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 Bf8 28. Kf2 a5 29. bxa5 Bxa3 30. a6 Bc5+ 31. Ke2 Kb8 32. Rd5 Re7 33. Rd2 Ka7 34. Ra2 f5 35. Kd3 fxe4+ 36. fxe4 h6 37. Ra4 c6 38. e5 g5 39. hxg5 hxg5 40. Bxg5 Rxe5 41. Bd2 Re8 42. Bf4 Re6 43. Ra1 Re7 44. Ra2 Re1 45. g4 Rg1 46. g5 Rg4 47. Bd2 Rg2 48. Ra1 Be7 49. Be3 Rg3 50. Ke4 Bxg5 51. Bxb6+ Ka8 52. Rh1 Rg4+ 53. Kf5 Rh4 54. Rg1 Rf4+ 55. Ke5 Rf8 56. Rxg5 Rb8 57. Bc5 Rd8 58. Rg6 Rc8 59. Kd6 Rd8+ 60. Kxc6 Rc8+ 61. Kb5 Re8 62. Bd6 Re2 63. Rg8+ Re8 64. Rxe8+ Ka7 65. Bc5# |
| 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 e5 11. dxe5 fxe5 12. Nc3 Bc5 13. O-O Nf6 14. Rd1+ Ke6 15. Bg5 Raf8 16. e3 h6 17. Bxf6 gxf6 18. a3 c6 19. b4 Be7 20. f4 Rd8 21. Kf2 a5 22. bxa5 Rxd1 23. Nxd1 Bc5 24. Kf3 Ra8 25. Rb1 Rxa5 26. Rxb7 Rxa3 27. fxe5 fxe5 28. Rc7 Ra6 29. Nc3 Bd6 30. Rc8 Bb4 31. Ne4 Kf7 32. Rc7+ Kg6 33. h3 Ba3 34. g4 h5 35. g5 Bb2 36. Re7 Kf5 37. Rh7 Ra1 38. Rf7+ Ke6 39. Rf6+ Ke7 40. Rxc6 Rf1+ 41. Ke2 Rg1 42. Rh6 Rc1 43. Kd3 Ra1 44. Rxh5 Ra3+ 45. Kd2 Kf7 46. Rh6 Ra2 47. Ke2 Kg7 48. Kf3 Bc1 49. Nd6 Rc2 50. Ke4 Bb2 51. Nf5+ Kg8 52. Rc6 Rd2 53. g6 Rd4+ 54. exd4 Kh8 55. Rc8# |
| 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 e5 11. dxe5 fxe5 12. Nc3 Nf6 13. Bg5 h6 14. Bxf6 gxf6 15. O-O-O+ Kc6 16. Nd5 f5 17. Ne3 f4 18. Nd5 Bd6 19. Kc2 Rad8 20. gxf4 exf4 21. b4 Rhe8 22. Rd2 Re4 23. Kb3 b6 24. Rhd1 a6 25. a3 Ra8 26. Nc3 Re6 27. h3 Kb7 28. Nd5 Rae8 29. Re1 Be5 30. h4 Rg8 31. b5 c6 32. bxc6+ Kxc6 33. Nb4+ Kb7 34. Rd7+ Kc8 35. Ra7 Rg4 36. Nxa6 Rxh4 37. Rg1 Re8 38. Rg6 Rh3+ 39. Ka4 Rh5 40. Rxb6 Rh8 41. Rc6+ Kd8 42. Nc5 Bc7 43. Ne6+ Ke8 44. Rcxc7 Re5 45. Re7# |
| 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. O-O Ne7 12. Rd1 Rd8 13. Nc3 Nc6 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. Kg2 g5 26. Bd2 b6 27. Ne4 Ng6 28. e3 Kd7 29. g4 h6 30. f4 gxf4 31. exf4 f5 32. gxf5 Nh4+ 33. Kg3 Nxf5+ 34. Kg4 Nd4 35. f5 h5+ 36. Kg5 c5 37. Bf4 h4 38. Kg4 Ne2 39. Bb8 Kc8 40. Bxa7 Kb7 41. Bxb6 Kxb6 42. f6 Bxf6 43. Nxf6 Nc1 44. Nd7+ Kc6 45. Ne5+ Kb6 46. Kxh4 Kc7 47. Kg4 Kd6 48. Nf3 Ke6 49. h4 Nxa2 50. h5 Nc1 51. Ng5+ Ke5 52. h6 Kf6 53. Kh5 Nd3 54. Ne6 Ne5 55. Nxc5 Kf7 56. Ne4 Ng6 57. Kg5 Ne5 58. Kf5 Nc6 59. Ng5+ Ke7 60. h7 Nd4+ 61. Kg6 Kd6 62. h8=Q Nc6 63. Qe8 Ne5+ 64. Kf5 Nc6 65. Ne6 Na7 66. Ke4 Nb5 67. c5# |
| 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 h6 14. Bxf6 gxf6 15. O-O-O+ Kc6 16. Nd5 f5 17. Ne3 f4 18. Nd5 Bd6 19. Kc2 Rhe8 20. Rhg1 Rg8 21. b4 a5 22. gxf4 exf4 23. Rxg8 Rxg8 24. c5 Bf8 25. Nxf4 Be7 26. a3 axb4 27. axb4 b6 28. Nd5 Bh4 29. f4 Rg2 30. cxb6 cxb6 31. Nc3 Rxh2 32. b5+ Kc7 33. Kd3 Kd6 34. Na4 Bd8 35. Ke4+ Ke7 36. Nc3 h5 37. e3 h4 38. f5 Ke8 39. Rd6 h3 40. Rh6 Rc2 41. Kd3 Rh2 42. Nd5 Rf2 43. Rxh3 Rxf5 44. e4 Rg5 45. Rh6 Re5 46. Kd4 Rg5 47. e5 Rg4+ 48. Kd3 Rg5 49. Ke4 Rg4+ 50. Kf5 Rg5+ 51. Ke6 Rg8 52. Rh7 Rg6+ 53. Nf6+ Bxf6 54. exf6 Kd8 55. Rh2 Kc7 56. Ke7 Rg4 57. Rc2+ Kb7 58. Re2 Kc7 59. f7 Rf4 60. Rc2+ Kb7 61. f8=Q Rxf8 62. Kxf8 Ka7 63. Ke7 Ka8 64. Kd7 Kb8 65. Re2 Kb7 66. Ra2 Kb8 67. Kc6 Kc8 68. Ra8# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j 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. Bg5 h6 14. O-O-O+ Kc8 15. Bxf6 gxf6 16. Nd5 f5 17. Ne3 f4 18. gxf4 exf4 19. Nf5 Bc5 20. e4 fxe3 21. fxe3 Re8 22. Kc2 b6 23. Rhe1 Re4 24. b3 Kb7 25. Rd7 Rf8 26. Kd3 Re6 27. Nd4 Rd6 28. Rxd6 Bxd6 29. Re2 c5 30. Nb5 Be5 31. Ke4 Bb8 32. Nc3 Re8+ 33. Kd3 Be5 34. Nd5 Kc6 35. h4 a6 36. Rf2 Rd8 37. Rf7 a5 38. Re7 Bb8 39. e4 Rd6 40. h5 Rd7 41. Rxd7 Kxd7 42. Nxb6+ Ke6 43. Na4 Bd6 44. Ke3 Kf6 45. Nb2 Be7 46. Nd3 Kg5 47. Ne5 Kxh5 48. Nc6 Bg5+ 49. Kf3 Kg6 50. Nxa5 Kf7 51. Nb7 Be7 52. a4 Ke8 53. a5 Bd8 54. e5 Bc7 55. Ke4 h5 56. a6 Bb8 57. Nd6+ Kd7 58. Nf5 Ke6 59. Ng7+ Kd7 60. e6+ Kd6 61. Kf5 Ke7 62. Nxh5 Kd8 63. Kf6 Ba7 64. e7+ Kc7 65. e8=Q Kd6 66. Qe7+ Kc6 67. Qb7+ |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j 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 Re8 11. Nc3 e5 12. dxe5 fxe5 13. Be3 a6 14. O-O-O+ Kc8 15. a3 Nf6 16. f3 b6 17. Kc2 Be7 18. Nd5 e4 19. Rhe1 Nxd5 20. cxd5 exf3 21. exf3 Kd7 22. f4 Rhf8 23. Bd4 g5 24. Bg7 Rg8 25. Bh6 gxf4 26. Bxf4 Bd6 27. Bh6 Re5 28. Rxe5 Bxe5 29. Rf1 Kd6 30. Rf7 Kxd5 31. Rxh7 Re8 32. Bg5 c5 33. Rh6 Rf8 34. Be3 Ke4 35. Re6 Rf6 36. Re8 Rf5 37. Bf4 b5 38. h4 Kd4 39. Bxe5+ Rxe5 40. Rxe5 Kxe5 41. g4 Kf4 42. g5 Kf5 43. Kd3 Kg6 44. Ke4 c4 45. Kd5 Kg7 46. Kc6 Kg6 47. Kb6 Kf5 48. Kxa6 b4 49. axb4 Ke4 50. g6 Kd5 51. g7 c3 52. g8=Q+ Ke4 53. Qg4+ |