| 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 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. e3 Bb2 23. Rb1 Be5 24. h3 Nh6 25. Ba5 b6 26. Bc3 Bxc3 27. Nxc3 Nf7 28. Kg2 Rhe8 29. e4 Ne5 30. a3 Kb7 31. Ra1 h5 32. f4 gxf4 33. gxf4 Rg8+ 34. Kf2 Nd3+ 35. Kf3 Rd7 36. Ne2 Rgd8 37. Ng3 Nc5 38. Rxd7+ Rxd7 39. Nxh5 Rd3+ 40. Ke2 Rxh3 41. Nxf6 Rh2+ 42. Kf3 Nxb3 43. Rd1 Nd2+ 44. Kg3 Re2 45. f5 Nxc4 46. Rd7+ Kb8 47. a4 Ra2 48. Ng4 Rxa4 49. f6 Kc8 50. Rd3 Kb8 51. f7 a5 52. Kf4 Kb7 53. f8=Q Rb4 54. Rd8 Ka6 55. Qf5 b5 56. Qc5 a4 57. Qxc6+ Nb6 58. Ra8# |
| 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 e5 11. dxe5 fxe5 12. Nc3 Bb4 13. Bd2 Nf6 14. Rd1 Kc8 15. O-O Rd8 16. a3 Be7 17. Be3 b6 18. Rxd8+ Kxd8 19. f3 c6 20. Rd1+ Ke8 21. Kg2 Rd8 22. Rxd8+ Bxd8 23. Bd2 Ke7 24. e4 a5 25. b3 Ke6 26. Be3 Nd7 27. f4 exf4 28. gxf4 g6 29. Ne2 c5 30. Kf3 a4 31. bxa4 Bf6 32. e5 Bxe5 33. fxe5 Nxe5+ 34. Ke4 Nxc4 35. Nc3 Nxe3 36. Kxe3 Kd6 37. Kd3 h6 38. Kc4 Kc6 39. Ne4 g5 40. h3 Kd7 41. Kb5 Kc7 42. Nf6 Kb7 43. Nd5 h5 44. Nxb6 g4 45. hxg4 hxg4 46. Nd5 g3 47. Ne3 c4 48. Kxc4 Ka6 49. Kb4 Kb6 50. a5+ Ka6 51. a4 Ka7 52. Kb5 Ka8 53. Kb6 g2 54. Nxg2 Kb8 55. Ne3 Kc8 56. a6 Kd8 57. a7 Ke8 58. a5 Kd7 59. a8=Q Ke6 60. a6 Kf6 61. Qc6+ Ke5 62. Kc5 Kf4 63. a7 Kxe3 64. Qe6+ |
| 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 Bb4 13. Bd2 Nf6 14. a3 Bc5 15. O-O-O Kc8 16. f3 Rd8 17. Kc2 b6 18. Bg5 Rxd1 19. Rxd1 h6 20. Bxf6 gxf6 21. b4 Bf8 22. Nd5 a5 23. Nxf6 axb4 24. Nd7 Bg7 25. axb4 Ra2+ 26. Kb3 Rxe2 27. c5 Re3+ 28. Kc4 bxc5 29. Nxc5 Rxf3 30. Ra1 Kb8 31. Ra6 Rf2 32. Rg6 Rf7 33. Kd5 Bf8 34. Kxe5 Rg7 35. Re6 Re7 36. Nd7+ Rxd7 37. Re8+ Kb7 38. Rxf8 Re7+ 39. Kd4 Re2 40. h4 Rb2 41. Kc4 Rc2+ 42. Kd5 Rd2+ 43. Ke6 Rd3 44. Rg8 Rd4 45. b5 Rb4 46. g4 Rxb5 47. g5 hxg5 48. hxg5 Rb6+ 49. Kd5 c6+ 50. Ke6 Rb1 51. g6 Re1+ 52. Kf5 Rf1+ 53. Ke5 Re1+ 54. Kd4 Rd1+ 55. Ke3 Rg1 56. Kf2 Rg5 57. g7 c5 58. Ke3 c4 59. Kd4 Rg4+ 60. Kc3 Re4 61. Rb8+ Kc6 62. g8=Q Re5 63. Qxc4+ Rc5 64. Rc8+ Kd6 65. Qxc5+ Kd7 66. Qc6+ Ke7 67. Rc7+ Kd8 68. Qd7# |
| 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. Nd5 Bd6 15. Rd1 Kc8 16. Nc3 Bb4 17. Be3 Bxc3 18. bxc3 Ne7 19. Kf1 Nc6 20. Rab1 Re4 21. c5 a6 22. Rd5 Rhe8 23. Rbd1 R8e7 24. a3 g5 25. h3 h5 26. Rf5 R4e6 27. h4 gxh4 28. gxh4 Rh7 29. Bg5 Rf7 30. Bf4 Rh7 31. Rfd5 Re4 32. e3 a5 33. Rf5 Re6 34. Rdd5 Ne7 35. Rxh5 Nxd5 36. Rxh7 Nxf4 37. exf4 Re4 38. c6 bxc6 39. h5 Rxf4 40. h6 Rh4 41. Rh8+ Kd7 42. h7 Rh2 43. Kg1 Rh5 44. Kg2 c5 45. Kf3 Rh4 46. Kg3 Rh5 47. Kg4 Rh2 48. f4 c4 49. Kf5 Rh6 50. a4 Kc6 51. Ke6 Kc5 52. Kf7 Rh4 53. f5 Rh3 54. Kxf6 Kc6 55. Kg5 Rxc3 56. Rg8 Re3 57. h8=Q c3 58. Rd8 Rg3+ 59. Kf4 Rg2 60. Qxc3+ Kb7 61. Qf3+ Ka7 62. Qxg2 Kb6 63. Rb8+ Kc5 64. Ke5 Kc4 65. Qc2# |
| 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 e5 11. dxe5 fxe5 12. Nc3 Nf6 13. Bg5 h6 14. Bxf6 gxf6 15. O-O-O+ Kc8 16. Nd5 Bc5 17. Rhf1 f5 18. b4 Bf8 19. f4 e4 20. Ne3 Bxb4 21. Nxf5 b6 22. Kc2 h5 23. Rd5 Kb7 24. Rfd1 Rhg8 25. Kb3 Bc5 26. Kc3 Rg6 27. Nd4 Rd6 28. f5 Rf6 29. Ne6 Bf2 30. Re5 Rg8 31. Rd7 Rc8 32. Rh7 a5 33. Rxh5 e3 34. Rh7 Be1+ 35. Kd3 Bb4 36. g4 Bd6 37. Rd5 Ka6 38. g5 Bg3 39. gxf6 c6 40. Rdd7 Rf8 41. Ra7# |
| 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 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 Bd6 19. Ne4 Bc7 20. Rac1 Rhe8 21. f3 Rxd1+ 22. Rxd1 f5 23. Nf2 Nxc4 24. bxc4 Bxf4 25. gxf4 Rxe2 26. a3 Rc2 27. Re1 Rxc4 28. Re7 Rxf4 29. Kg2 g6 30. Rxh7 Ra4 31. Rh6 a6 32. Rxg6 Rxa3 33. h4 b5 34. h5 Kb7 35. h6 Ra4 36. Kh3 Ra2 37. h7 Rxf2 38. Kg3 Rf1 39. h8=Q Rg1+ 40. Kf4 Rxg6 41. Qh7+ Kb6 42. Qxg6 b4 43. Ke3 a5 44. Kd4 b3 45. Qd6 Kb7 46. Kc5 Ka8 47. Kb6 b2 48. Qd8# |
| 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. 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. Bd4 g6 24. Rd1 Rc8 25. Bc3 Re8 26. Rd4 Ne5 27. f4 Ng4 28. Rd7 Bb4 29. Bxb4 Rxe6 30. Bc5 Rxe4 31. Bb6 Re8 32. Rxh7 Ne3 33. Bd4 Nd5 34. Rf7 Re2 35. Bxf6 Rxh2 36. Be5+ Ka7 37. Rg7 Nb4 38. Rxg6 Kb6 39. a3 Nd3+ 40. Kb1 Kc5 41. Bc3 b5 42. f5 Kc4 43. Rd6 Rh1+ 44. Kc2 Rh2+ 45. Bd2 Ne5 46. Kd1 Kb3 47. f6 Rh1+ 48. Be1 Kxb2 49. Re6 Rh5 50. Re7 Rf5 51. Bb4 Ng6 52. Re3 c5 53. Bd2 Ka2 54. Re6 Ne5 55. a4 b4 56. Bf4 Ng4 57. a5 b3 58. a6 b2 59. Rb6 Rxf4 60. gxf4 Ne3+ 61. Ke2 Nd5 62. Rxb2+ Kxb2 63. f7 Nxf4+ 64. Kd1 Nd5 65. f8=Q Nb4 66. a7 Nd5 67. Kd2 Nb6 68. Qxc5 Kb3 69. Qxb6+ Kc4 70. Qe6+ |
| 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. O-O-O+ Kc8 16. Bd2 Nf6 17. Rhf1 Re6 18. Be3 a6 19. Bg5 Be7 20. e4 Rd8 21. Rxd8+ Bxd8 22. Kc2 h6 23. Bxh6 Nxe4 24. Be3 Nxc3 25. Kxc3 Rf6 26. Rxf6 Bxf6 27. h4 Kd8 28. Kd3 Ke7 29. h5 Kf7 30. Ke4 b5 31. cxb5 axb5 32. Kf5 Be7 33. h6 Bb4 34. g4 Bd6 35. Bg5 e4 36. Be3 b4 37. g5 c5 38. g6+ Kg8 39. h7+ Kh8 40. Kxe4 Be7 41. Ke5 Bf8 42. b3 Bg7+ 43. Ke6 Ba1 44. Kf7 Be5 45. Bxc5 Bb2 46. Bxb4 Be5 47. a4 Bf4 48. Bc3+ Be5 49. Bxe5# |
| 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 e5 11. dxe5 fxe5 12. Nc3 Nf6 13. Bg5 h6 14. O-O-O+ Kc8 15. Bxf6 gxf6 16. Nd5 Bc5 17. Nxf6 Bxf2 18. Kc2 Bd4 19. Rhf1 b6 20. Nd5 Rh7 21. e3 Bc5 22. b4 Bd6 23. Rf6 Kb7 24. e4 Rf8 25. Rxf8 Bxf8 26. Rf1 Bd6 27. Rf6 a5 28. c5 bxc5 29. bxa5 h5 30. Kd3 h4 31. g4 Rg7 32. h3 Ka6 33. Nxc7+ Rxc7 34. Rxd6+ Kxa5 35. Kc4 Rf7 36. Rh6 Rf4 37. Kxc5 Rxe4 38. Rh7 Ka6 39. g5 Ra4 40. g6 Ra5+ 41. Kc6 Rxa2 42. Rxh4 Rc2+ 43. Kd5 Rc7 44. Rh7 Rc2 45. g7 Rg2 46. Kxe5 Kb5 47. h4 Kc6 48. h5 Rg5+ 49. Kf6 Kd7 50. g8=Q+ Kd6 51. Qxg5 Kc6 52. Qg2+ Kb6 53. h6 Kc5 54. Rc7+ Kd4 55. Qe2 Kd5 56. Qe5# |
| 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 Re8 11. Nc3 g5 12. f4 h6 13. O-O gxf4 14. Bxf4 e5 15. Be3 a5 16. d5 Be7 17. Ne4 Kc8 18. Bd2 b6 19. Kg2 Rd8 20. b3 c6 21. Be3 cxd5 22. cxd5 Rxd5 23. Bxb6 Rb5 24. Rac1+ Kb7 25. Be3 Rb4 26. Rfd1 Ka6 27. Nd6 Rb6 28. Bxb6 f5 29. Bf2 Bxd6 30. Rxd6+ Kb7 31. Rd7+ Ka6 32. Rc6+ Kb5 33. Rb6# |
| 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 e5 11. dxe5 fxe5 12. Nc3 Nf6 13. Be3 Kc8 14. O-O-O b6 15. f3 h6 16. Rd3 Bb4 17. Rhd1 Kb7 18. a3 Bxc3 19. Rxc3 c5 20. b4 cxb4 21. axb4 Rhd8 22. Rcd3 Rdc8 23. c5 Rc7 24. Rd6 Rac8 25. Kd2 Rc6 26. Ke1 Rxd6 27. cxd6 a6 28. Bf2 Rd8 29. e4 Kc6 30. Ke2 g5 31. h3 Rd7 32. Be3 Ne8 33. Rd5 Nxd6 34. Rxe5 Nc4 35. Re6+ Rd6 36. Rxd6+ Kxd6 37. Bd4 Ke6 38. f4 gxf4 39. gxf4 h5 40. f5+ Kd6 41. Kd3 Ne5+ 42. Ke3 a5 43. f6 Nc6 44. e5+ Ke6 45. bxa5 bxa5 46. Bb2 a4 47. Kf4 Na5 48. Kg5 Nb3 49. Kg6 Nc5 50. f7 Nd7 51. Kg7 Ke7 52. h4 Ke6 53. f8=N+ Kd5 54. Nxd7 a3 55. Bxa3 Ke6 56. Bf8 Kd5 57. Kf7 Kc6 58. e6 Kc7 59. Nf6 Kc6 60. e7 Kb6 61. e8=Q Kc7 62. Nxh5 Kb7 63. Nf4 Kc7 64. h5 Kb6 65. h6 Kb7 66. Qe4+ Kc7 67. Qc4+ Kb7 68. Nd5 Kb8 69. Qc7+ Ka8 70. Nb6# |
| 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 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. Rf4 Ke6 28. Kf3 Rg8 29. e4 c5 30. b3 Re8 31. g4 Rd8 32. Ke3 Rd1 33. Rf3 Ra1 34. a4 Rg1 35. Rh3 Rxg4 36. Rxh7 a5 37. Kd3 Rg6 38. h4 Rg1 39. Rb7 Rd1+ 40. Ke3 Ke5 41. Rxb6 Rh1 42. Rb5 Rh3+ 43. Kf2 Kxe4 44. Rxc5 Rxb3 45. Rxa5 Rh3 46. h5 Kf4 47. e3+ Ke4 48. Kg2 Rh4 49. Kg3 Rh1 50. Kg4 Kxe3 51. Rd5 Ke4 52. Kg5 Rc1 53. Rf5 Rg1+ 54. Kf6 Rg8 55. Re5+ Kd4 56. h6 Kxc4 57. h7 Ra8 58. a5 Kd4 59. Rh5 Kc4 60. h8=Q Rxh8 61. Rxh8 Kd5 62. a6 Ke4 63. Rd8 Kf4 64. a7 Ke3 65. a8=Q Ke2 66. Qa3 Kf2 67. Rd2+ Ke1 68. Qc1# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j 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 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 Kd7 22. dxe5+ Ke6 23. Rf4 Rag8 24. Rd5 c6 25. Rf6+ Ke7 26. Rc5 R4g6 27. Rxg6 Rxg6 28. Ra5 Ke6 29. Rxa7 Rg7 30. Kd2 Kxe5 31. Kd3 Rd7+ 32. Ke3 Kf5 33. Ra5+ Kf6 34. Rh5 Kg6 35. g4 Rd1 36. h4 Rg1 37. Kf3 Rf1+ 38. Kg3 Rg1+ 39. Kh3 Rh1+ 40. Kg2 Rb1 41. b3 Rb2+ 42. Kf3 Rxa2 43. Re5 Kf7 44. Rf5+ Kg6 45. Kg3 Rb2 46. Rf3 Rd2 47. h5+ Kg7 48. Kf4 b6 49. Ke5 c5 50. Ke6 Re2+ 51. Kd5 Rg2 52. Kc6 Rxg4 53. Rf5 Rg5 54. Rd5 Rg3 55. Kxb6 Rxb3+ 56. Kxc5 Rb2 57. Kd6 Kf6 58. c5 Rb8 59. c6 Rd8+ 60. Kc5 Rd7 61. cxd7 Ke6 62. d8=Q Kf7 63. Qd7+ |
| 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. 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. b3 Rd7 24. Rab1 f5 25. Bf4 Ra5 26. a4 Bxf4 27. gxf4 g6 28. Kf2 c5 29. Rd5 Kc7 30. Rbd1 Re7 31. exf5 Rf7 32. fxg6 hxg6 33. Kg3 a6 34. Kg4 Re7 35. Kg5 Rh7 36. f5 gxf5 37. h5 Rg7+ 38. Kxf5 Rh7 39. Kg6 Re7 40. h6 Re6+ 41. Kh5 Re7 42. Rd7+ Rxd7 43. Rxd7+ Kb8 44. Rf7 Rb5 45. h7 Kc8 46. h8=Q# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j 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 e5 11. dxe5 fxe5 12. Nc3 Nf6 13. Be3 b6 14. O-O-O+ Kc8 15. f3 Bd6 16. Rd3 Re8 17. Nb5 Bf8 18. Rhd1 e4 19. Rb3 a6 20. Nd4 Bc5 21. Nf5 Bxe3+ 22. Nxe3 Kb7 23. f4 Rad8 24. Nd5 Rd6 25. Nxf6 Rxd1+ 26. Kxd1 gxf6 27. c5 Kc6 28. cxb6 Rd8+ 29. Kc2 cxb6 30. Rc3+ Kd6 31. Rc4 Kd5 32. Kc3 Re8 33. Rc7 Rh8 34. Rd7+ Ke6 35. Rb7 b5 36. Kd4 Kf5 37. Rc7 Rd8+ 38. Ke3 Rd1 39. h3 Rb1 40. g4+ Ke6 41. b3 Rb2 42. Rc6+ Kd5 43. Rxa6 Rc2 44. Rxf6 Rc3+ 45. Kd2 Rxh3 46. Rf5+ Kc6 47. g5 Rh1 48. Ke3 Ra1 49. Rf7 Rxa2 50. Rxh7 Ra4 51. bxa4 b4 52. g6 b3 53. g7 b2 54. g8=Q Kb6 55. Qe6+ Kc5 56. Qe5+ |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 51 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 h6 14. Rd1+ Kc6 15. Bd2 Nf6 16. Na4 Bd6 17. b4 b5 18. cxb5+ Kxb5 19. Nb2 Bxb4 20. Bxb4 Kxb4 21. Nd3+ Ka3 22. Nxe5 Rhe8 23. Nc4+ Kxa2 24. Rd3 Rac8 25. Ra3+ Kb1 26. Kd2# |
| 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 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 Raf8 22. Ree2 b6 23. b5+ Kc5 24. Ne3 c6 25. Ng4 Rc3+ 26. Kb2 Rxc4 27. Nxe5 Bxe5+ 28. Rxe5+ Kb4 29. bxc6 Rc8 30. Rd7 a5 31. c7 R8xc7 32. Rxc7 Rxc7 33. Re6 b5 34. Rxh6 Rd7 35. Rc6 Rd2+ 36. Rc2 Rxc2+ 37. Kxc2 Kc5 38. Kd3 Kd5 39. f4 b4 40. h4 a4 41. h5 Ke6 42. g4 Kf7 43. Kc2 Kg7 44. g5 Kh7 45. f5 Kg7 46. f6+ Kh7 47. h6 b3+ 48. axb3 axb3+ 49. Kxb3 Kg6 50. Kc4 Kxg5 51. f7 Kxh6 52. f8=Q+ Kg6 53. Qf4 Kh5 54. Qg3 Kh6 55. Kd4 Kh5 56. Ke5 Kh6 57. Kf6 Kh5 58. Qg5# |
| 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 Rxd1 18. Rxd1 c6 19. f3 Kc7 20. Kf2 b6 21. b4 Rd8 22. Rd3 h6 23. Rxd8 Kxd8 24. Bd2 Kd7 25. e4 Ke6 26. Ke3 g5 27. h3 a5 28. Ne2 Bd6 29. Kd3 Nd7 30. c5 Be7 31. cxb6 axb4 32. b7 Nc5+ 33. Kc4 Nxb7 34. axb4 Nd6+ 35. Kd3 Nb5 36. f4 exf4 37. gxf4 gxf4 38. Bxf4 h5 39. Bd2 Ke5 40. Ng3 h4 41. Nf5 Bf6 42. Be1 Nc7 43. Bc3+ Ke6 44. Bxf6 Kxf6 45. Nxh4 Na6 46. Nf3 Nxb4+ 47. Kc4 Na6 48. h4 Kg6 49. Nd4 Kh5 50. e5 Kxh4 51. e6 Nc7 52. e7 Kg5 53. Kc5 Kf6 54. Kd6 Kg5 55. Kxc7 c5 56. e8=Q cxd4 57. Qe5+ Kg4 58. Qxd4+ Kf3 59. Kd6 Ke2 60. Ke5 Ke1 61. Ke4 Ke2 62. Qb2+ Ke1 63. Ke3 Kd1 64. Qd2# |
| 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 Re6 22. Bf4 g5 23. Be3 gxh4 24. f4 hxg3 25. Kg2 Rxe4 26. Bxa7 Rg8 27. Rd3 Re2+ 28. Kf1 Rc2 29. Bd4 Rd8 30. Rc3 Rh2 31. Bg1 g2+ 32. Ke2 Rh6 33. Rg3 Rg6 34. Rxg6 Kd7 35. Rxg2 Ke6 36. Rg7 Bd6 37. Be3 h5 38. c5 Bf8 39. Rxc7 h4 40. Rh1 Rd7 41. Rxd7 Kxd7 42. Rxh4 Kc6 43. b4 b6 44. cxb6 Bxb4 45. Rh6 Kb7 46. Rxf6 Ka8 47. f5 Ba3 48. Rg6 Bb4 49. Kd3 Ba3 50. Kc4 Bb2 51. f6 Kb7 52. Rg7+ Kc6 53. Rc7+ Kd6 54. Re7 Be5 55. Bc5+ Kc6 56. Rxe5 Kd7 57. Re7+ Kc8 58. f7 Kd8 59. f8=Q# |
| 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 e5 11. dxe5 fxe5 12. Nc3 Nf6 13. Bg5 h6 14. Bxf6 gxf6 15. e4 c6 16. O-O-O+ Ke6 17. Rd3 Bc5 18. Rhd1 Rhg8 19. R1d2 b6 20. f4 exf4 21. gxf4 Rg4 22. Ne2 Bb4 23. Nd4+ Kf7 24. Rf2 Bc5 25. h3 Rg1+ 26. Kc2 Rh1 27. Rfd2 Re8 28. Nxc6 Rxe4 29. b3 Rxf4 30. Nxa7 Rh4 31. Rd7+ Ke6 32. Nc6 R4xh3 33. b4 Be3 34. R2d6+ Kf5 35. Rd5+ Kf4 36. Kb3 Bg1+ 37. Ka4 R1h2 38. Rf7 Rxa2+ 39. Kb5 Ke4 40. Rxf6 h5 41. Re6+ Kf4 42. Nd4 Bxd4 43. Rxd4+ Kg5 44. Rxb6 h4 45. c5 Rc3 46. Rd5+ Kf4 47. Rh6 h3 48. Rdh5 Rh2 49. c6 Ke4 50. Kb6 Kd4 51. b5 Ke4 52. Kb7 Rh1 53. b6 Rf1 54. c7 Rf7 55. Rxh3 Rc2 56. Rc6 Rf3 57. Rxf3 Rg2 58. c8=Q Kxf3 59. Qf5+ Kg3 60. Qg5+ Kf3 61. Qd5+ Kg4 62. Qxg2+ Kh4 63. Rh6# |