| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 17 moves | 1. Nf3 d5 2. c4 c6 3. h4 dxc4 4. Nc3 b5 5. e4 b4 6. Na4 f5 7. Bxc4 fxe4 8. Ne5 Bg4 9. Bf7# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 75 moves | 1. Nf3 d5 2. c4 c6 3. h4 dxc4 4. Nc3 b5 5. e4 b4 6. Na4 f5 7. Bxc4 g6 8. Qb3 Nh6 9. exf5 a5 10. fxg6 hxg6 11. Ne5 Qd4 12. Bf7+ Kd8 13. Nxg6 Qe4+ 14. Qe3 Qxe3+ 15. fxe3 Nxf7 16. O-O Rg8 17. Rxf7 Rh8 18. Nxh8 Nd7 19. d4 Ke8 20. Bd2 e5 21. Rc1 Be7 22. Rxc6 Bxh4 23. Re6+ Kd8 24. Rh7 exd4 25. Rxh4 Ra6 26. Nf7+ Kc7 27. Re7 Rf6 28. exd4 Kb8 29. Rh5 Kc7 30. Rxa5 b3 31. axb3 Kb8 32. Bg5 Nc5 33. Bxf6 Nd7 34. Ne5 Kc7 35. Rc5+ Kb8 36. Nxd7+ Bxd7 37. Rxd7 Ka8 38. Rc8# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 47 moves | 1. Nf3 d5 2. c4 c6 3. h4 dxc4 4. Nc3 b5 5. e4 b4 6. Na4 Be6 7. Nc5 Qc8 8. Nxe6 Qxe6 9. Ng5 Qd7 10. Bxc4 e6 11. d4 h6 12. Nf3 c5 13. Be3 Nf6 14. Ne5 Qb7 15. dxc5 Nxe4 16. Qa4+ Ke7 17. O-O-O Kf6 18. Bd4 Be7 19. Rh3 Nd2 20. Nf3+ Kf5 21. Rxd2 Bf6 22. Qc2+ Kg4 23. Nh2+ Kf4 24. g3# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 67 moves | 1. Nf3 d5 2. c4 c6 3. h4 dxc4 4. Nc3 b5 5. e4 b4 6. Na4 Be6 7. Nc5 Qc8 8. Nxe6 Qxe6 9. Ng5 Qg6 10. Bxc4 e6 11. d4 Be7 12. h5 Qf6 13. Nf3 h6 14. Qa4 a5 15. Ne5 Ra7 16. Nxc6 Nxc6 17. Qxc6+ Kf8 18. e5 g5 19. exf6 Nxf6 20. Be3 Rd7 21. Qb5 Bd8 22. a3 bxa3 23. Rxa3 Kg7 24. O-O Rc7 25. Bd3 Nxh5 26. Qe5+ Nf6 27. f4 gxf4 28. Bxf4 Kf8 29. Bd2 Rd7 30. Rxf6 Bxf6 31. Qxf6 Kg8 32. Rxa5 Ra7 33. Rxa7 e5 34. Qxf7# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 119 moves | 1. Nf3 d5 2. c4 c6 3. h4 dxc4 4. Nc3 b5 5. e4 b4 6. Na4 Be6 7. Nc5 Bg4 8. Bxc4 e6 9. d4 Bxc5 10. dxc5 Qxd1+ 11. Kxd1 Nf6 12. Re1 Nbd7 13. Kc2 Nxc5 14. Ne5 Rc8 15. f3 Bh5 16. g4 Bg6 17. h5 Bxe4+ 18. fxe4 a5 19. Bf4 Nfxe4 20. Nxc6 Rg8 21. Nxa5 g5 22. Bh2 Rd8 23. Rad1 Rxd1 24. Rxd1 f6 25. Nc6 Kf7 26. Nxb4 Ra8 27. b3 Rc8 28. a3 Ke7 29. Rd4 e5 30. Nd5+ Kf8 31. Rd1 Nf2 32. Rg1 Nce4 33. Kb2 Rc5 34. Rg2 Kf7 35. Bg1 Rxc4 36. bxc4 Nh3 37. Kc2 Nxg1 38. Rxg1 Ke6 39. Rf1 h6 40. Kd3 Nc5+ 41. Ke3 Nd7 42. a4 Kd6 43. a5 Kc5 44. Nxf6 Nb8 45. Ne4+ Kxc4 46. Rf6 Nd7 47. a6 Nxf6 48. Nxf6 Kc5 49. a7 Kd6 50. a8=Q e4 51. Nxe4+ Ke7 52. Qc6 Kf7 53. Qd5+ Ke8 54. Qe6+ Kf8 55. Qxh6+ Ke8 56. Qxg5 Kf8 57. Qd8+ Kf7 58. Ng5+ Kg7 59. Ke4 Kh6 60. Qf6# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 87 moves | 1. Nf3 d5 2. c4 c6 3. h4 dxc4 4. Nc3 b5 5. e4 b4 6. Na4 Be6 7. Nc5 Bg4 8. Bxc4 e6 9. d4 Bxc5 10. dxc5 Qxd1+ 11. Kxd1 Nd7 12. Ke1 Bxf3 13. gxf3 Nxc5 14. Rg1 Kf8 15. Be3 Nd7 16. Bf4 e5 17. Rd1 Ngf6 18. Bg5 h6 19. Be3 g6 20. Rd6 Rc8 21. Bxa7 c5 22. Ra6 Kg7 23. a4 bxa3 24. bxa3 Rhd8 25. Ke2 Nh5 26. Ke1 Ndf6 27. a4 Rd4 28. Bb5 Nf4 29. Bb6 Rb4 30. Rg3 Rb1+ 31. Kd2 Rh1 32. Ra7 Nxe4+ 33. fxe4 Rh2 34. Ke3 Ng2+ 35. Rxg2 Rxg2 36. Bc4 Kf8 37. Rxf7+ Kg8 38. Rc7+ Kh8 39. Rxc8+ Kg7 40. Rc7+ Kh8 41. Bxc5 Rg1 42. Bd6 Re1+ 43. Kf3 Re2 44. Bxe5# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 61 moves | 1. Nf3 d5 2. c4 c6 3. h4 dxc4 4. Nc3 b5 5. e4 b4 6. Na4 Be6 7. Nc5 Qc8 8. Nxe6 Qxe6 9. Ng5 Qg6 10. Bxc4 e6 11. d4 Be7 12. h5 Qf6 13. Rh3 c5 14. Rf3 cxd4 15. Rxf6 Nxf6 16. Bb5+ Kf8 17. e5 Nd5 18. Qxd4 h6 19. Ne4 a6 20. Ba4 a5 21. Bd2 Nc7 22. Rc1 Nba6 23. Nd6 Bg5 24. Bxg5 hxg5 25. g4 Rh6 26. Ne4 Nd5 27. Qa7 Rh8 28. Qxa8+ Ke7 29. Qb7+ Nac7 30. Rxc7+ Kf8 31. Qc8# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 63 moves | 1. Nf3 d5 2. c4 c6 3. h4 dxc4 4. Nc3 b5 5. e4 b4 6. Na4 Be6 7. Nc5 Qc8 8. Nxe6 Qxe6 9. Ng5 Qd7 10. Bxc4 e6 11. d4 c5 12. d5 Nf6 13. dxe6 Qxd1+ 14. Kxd1 fxe6 15. Bxe6 h6 16. Nf7 Bd6 17. Nxh8 Nxe4 18. Re1 Nxf2+ 19. Ke2 Bg3 20. Bd5 Nd3 21. Rf1 Nxc1+ 22. Raxc1 Bxh4 23. Bxa8 Nd7 24. Bc6 Bf6 25. Rxf6 gxf6 26. Rd1 a5 27. Rxd7 Kf8 28. Ng6+ Ke8 29. Nf4 Kf8 30. Rc7 Kg8 31. Ng6 h5 32. Bd5# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 43 moves | 1. Nf3 d5 2. c4 c6 3. h4 dxc4 4. Nc3 b5 5. e4 b4 6. Na4 Be6 7. Nc5 g5 8. Nxe6 fxe6 9. hxg5 Nd7 10. Bxc4 Nc5 11. Ne5 h5 12. Rxh5 Bg7 13. Rxh8 Qxd2+ 14. Bxd2 Bxh8 15. Qh5+ Kd8 16. Qxh8 Kc7 17. Be3 Nxe4 18. Bxe6 Kd6 19. Rd1+ Nd2 20. Rxd2+ Kc7 21. Rd7+ Kc8 22. Qxg8# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 65 moves | 1. Nf3 d5 2. c4 c6 3. h4 dxc4 4. Nc3 b5 5. d4 cxd3 6. exd3 Nf6 7. Be2 Bg4 8. O-O e6 9. Bg5 h6 10. Bf4 Bb4 11. Qb3 Bc5 12. Rac1 g5 13. Bxb8 Qxb8 14. Ne4 Nxe4 15. dxe4 Bxf3 16. Bxf3 Qb6 17. Qc3 Bd4 18. Qxc6+ Qxc6 19. Rxc6 gxh4 20. Be2 b4 21. Rc4 Bxb2 22. Rxb4 Be5 23. Rb5 f6 24. Rb7 Rg8 25. Bh5+ Kd8 26. Bf7 Rg4 27. Rd1+ Bd6 28. Bxe6 Rxe4 29. Rxd6+ Ke8 30. Bf7+ Kf8 31. Rxf6 Re1+ 32. Kh2 Rae8 33. Bd5# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 65 moves | 1. Nf3 d5 2. c4 c6 3. h4 dxc4 4. Nc3 b5 5. e4 b4 6. Na4 Be6 7. Nc5 Bg4 8. Bxc4 e6 9. d4 Bxc5 10. dxc5 Qxd1+ 11. Kxd1 Nd7 12. Ke1 Nxc5 13. Ne5 Bh5 14. f3 Ne7 15. Be3 Nd7 16. Nxd7 Kxd7 17. g4 Bxg4 18. Rd1+ Ke8 19. fxg4 h5 20. g5 a5 21. Rf1 Ng6 22. Bf2 Ne5 23. Be2 Rh7 24. Bc5 Ng6 25. Rh1 Nf4 26. Bc4 e5 27. Rh2 Rc8 28. Rhd2 Ne6 29. Bxe6 g6 30. Bxc8 f6 31. Rd8+ Kf7 32. R1d7+ Ke6 33. Rxh7# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 101 moves | 1. Nf3 d5 2. c4 c6 3. h4 dxc4 4. Nc3 b5 5. e4 g6 6. d4 cxd3 7. Qxd3 Qxd3 8. Bxd3 b4 9. Ne2 Bg7 10. O-O Nd7 11. Ned4 c5 12. Nb5 Kd8 13. Ng5 Bc3 14. Nxf7+ Ke8 15. Bc4 Nb6 16. bxc3 Nxc4 17. Nxh8 Rb8 18. Nxa7 bxc3 19. Bf4 e5 20. Nc6 Rb6 21. Nxe5 Nxe5 22. Bxe5 Ba6 23. Rfc1 Re6 24. Bxc3 Rxe4 25. Rab1 Ne7 26. Rb8+ Kd7 27. g3 Nd5 28. Bg7 Kc7 29. Ra8 Kb6 30. Rd8 Nb4 31. Rd6+ Kc7 32. Rd4 Nd3 33. Rxe4 Nxc1 34. Re7+ Kc6 35. Bf6 Nxa2 36. Rxh7 Bd3 37. Rg7 c4 38. Nxg6 Bc2 39. Nf4 Nb4 40. h5 Nd5 41. Nxd5 Kxd5 42. h6 Ke6 43. Bc3 Kd5 44. f3 Kd6 45. Kf2 Kc5 46. Ke3 Bd3 47. h7 Bf5 48. h8=Q Bd3 49. Rc7+ Kb5 50. Qe8+ Ka6 51. Qc6# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 47 moves | 1. Nf3 d5 2. c4 c6 3. h4 dxc4 4. Nc3 b5 5. e4 b4 6. Na4 Be6 7. Nc5 Qc8 8. Nxe6 Qxe6 9. Ng5 Qd7 10. Bxc4 e6 11. d4 h6 12. Nf3 c5 13. Be3 Nf6 14. Ne5 Qb7 15. dxc5 Nxe4 16. Qa4+ Ke7 17. O-O-O Kf6 18. Bd4 Rg8 19. Qe8 Na6 20. Nxf7+ Kg6 21. Ne5+ Kh7 22. Qg6+ Kh8 23. Nf7+ Qxf7 24. Qxh6# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 113 moves | 1. Nf3 d5 2. c4 c6 3. h4 dxc4 4. Nc3 b5 5. e4 b4 6. Na4 Be6 7. Nc5 Qc8 8. Nxe6 Qxe6 9. Ng5 Qg6 10. Bxc4 e6 11. d4 Nd7 12. h5 Qf6 13. e5 Nxe5 14. dxe5 Qxe5+ 15. Qe2 Qxe2+ 16. Bxe2 Rd8 17. Be3 Be7 18. Bf3 c5 19. Rc1 h6 20. Ne4 Nf6 21. Nxf6+ Bxf6 22. Bc6+ Kf8 23. Bxc5+ Kg8 24. Rc2 a5 25. Be4 Be5 26. Bb6 b3 27. axb3 Rb8 28. Bxa5 f5 29. Bd3 Kf7 30. Bc7 Ra8 31. O-O Bf6 32. Re1 Ra2 33. Rc6 Re8 34. Bc4 Rxb2 35. Bxe6+ Rxe6 36. Rcxe6 Rxb3 37. Rd6 Rb2 38. Rd7+ Kf8 39. Rd5 Kg8 40. Rxf5 Rc2 41. Be5 Rc5 42. g4 Bxe5 43. Rfxe5 Rc4 44. f3 Kh7 45. Re7 Rc2 46. Rd7 Rb2 47. Ree7 Kh8 48. Rxg7 Rg2+ 49. Kf1 Rf2+ 50. Ke1 Rf1+ 51. Ke2 Rf2+ 52. Kd3 Rxf3+ 53. Kd4 Rf2 54. Rh7+ Kg8 55. Ke5 Rd2 56. Rxd2 Kf8 57. Rd8# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 73 moves | 1. Nf3 d5 2. c4 c6 3. h4 dxc4 4. Nc3 b5 5. e4 b4 6. Na4 Be6 7. Nc5 Bg4 8. Bxc4 e6 9. d4 Bxc5 10. dxc5 Qxd1+ 11. Kxd1 Nd7 12. Ke1 Bxf3 13. gxf3 Nxc5 14. Rg1 Rd8 15. Rxg7 Kf8 16. Rg5 Nd3+ 17. Bxd3 Rxd3 18. Bd2 Rd4 19. Ra5 Nf6 20. Rxa7 Kg7 21. Ke2 Rg8 22. Rc1 Nxe4 23. Be3 Nc3+ 24. bxc3 Rd5 25. cxb4 Rc8 26. a4 Rb8 27. Rc4 e5 28. f4 exf4 29. Rxf4 Kg6 30. Raxf7 Rd6 31. Re7 h5 32. a5 Rf6 33. Rd4 c5 34. Rd5 Rc8 35. Rg5+ Kh6 36. Rg4+ Rf4 37. Bxf4# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 71 moves | 1. Nf3 d5 2. c4 c6 3. h4 dxc4 4. Nc3 b5 5. e4 b4 6. Na4 f5 7. Bxc4 fxe4 8. Ng5 Nh6 9. Qc2 Bf5 10. O-O Qd6 11. Be2 e3 12. d3 Qf4 13. Bf3 Qd6 14. Ne4 exf2+ 15. Rxf2 Bxe4 16. dxe4 g6 17. e5 Qe6 18. Bg5 Ng4 19. Bxg4 Qxg4 20. Qb3 Nd7 21. Qf7+ Kd8 22. e6 Kc7 23. exd7 Qxd7 24. Bf4+ e5 25. Bxe5+ Bd6 26. Bxd6+ Kc8 27. Bxb4 Rd8 28. Be7 a5 29. Nb6+ Kc7 30. Bxd8+ Rxd8 31. Nxd7 Rxd7 32. Qe6 Rd5 33. Rc1 Rd4 34. Rxc6+ Kb8 35. Qc8+ Ka7 36. Ra6# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 91 moves | 1. Nf3 d5 2. c4 c6 3. h4 dxc4 4. Nc3 b5 5. e4 b4 6. Na4 Be6 7. Nc5 Bg4 8. Bxc4 e6 9. d4 Bxc5 10. dxc5 Qxd1+ 11. Kxd1 Nf6 12. Re1 Nbd7 13. Kc2 Nxc5 14. Ne5 O-O 15. f3 Bh5 16. g4 b3+ 17. axb3 Bg6 18. h5 Bxe4+ 19. fxe4 a6 20. b4 Ncd7 21. Nxd7 Nxd7 22. Bf4 Nf6 23. Bd6 Rfd8 24. Bc5 Nxg4 25. Rxa6 Ne5 26. Rxa8 Rxa8 27. Be2 f6 28. Rf1 Kf7 29. Bd6 Nd7 30. b5 c5 31. Kd2 Ra2 32. Kc3 Ra4 33. Bd3 e5 34. Bc4+ Rxc4+ 35. Kxc4 Ke6 36. Bxc5 g6 37. b4 gxh5 38. b6 Nxc5 39. bxc5 Kd7 40. Rxf6 h6 41. c6+ Kd8 42. Rxh6 Ke8 43. Rh7 Kf8 44. Rd7 Ke8 45. b7 h4 46. b8=Q# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 43 moves | 1. Nf3 d5 2. c4 c6 3. h4 dxc4 4. Nc3 b5 5. e4 b4 6. Na4 Be6 7. Nc5 Qc8 8. Nxe6 Qxe6 9. Ng5 Qg6 10. Bxc4 e6 11. d4 Be7 12. h5 f5 13. hxg6 Bxg5 14. Bxg5 h6 15. exf5 Ne7 16. fxe6 Rf8 17. Bxe7 Kxe7 18. Qh5 Ke8 19. Qe5 a6 20. e7 Rf6 21. Bf7+ Kd7 22. e8=Q# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z in 131 moves | 1. Nf3 d5 2. c4 c6 3. h4 dxc4 4. Nc3 b5 5. e4 b4 6. Na4 Be6 7. Nc5 Bg4 8. Bxc4 e6 9. d4 Bxc5 10. dxc5 Qxd1+ 11. Kxd1 Nd7 12. Ke1 Nxc5 13. Ne5 Bh5 14. f3 Bg4 15. Nxg4 f5 16. Be3 Nd7 17. Nf2 Ke7 18. exf5 exf5 19. Nd3 a5 20. a3 bxa3 21. Rxa3 Ngf6 22. Kf2 Rhe8 23. Rha1 Nd5 24. Bd4 Kf8 25. Rxa5 Rxa5 26. Rxa5 g6 27. Ra6 Ne7 28. Ra7 Rd8 29. Nf4 Ke8 30. Ne6 Rb8 31. g3 c5 32. Bc3 Nc8 33. Rc7 Nd6 34. Bd5 Nb5 35. Rb7 Rxb7 36. Bxb7 Ke7 37. Bd5 Kd6 38. Nf4 Nxc3 39. bxc3 Ne5 40. c4 h6 41. Ke3 g5 42. hxg5 hxg5 43. Ne6 g4 44. fxg4 Nxg4+ 45. Kf3 Nf6 46. Nf4 Nxd5 47. Nxd5 Ke5 48. Ke3 Kd6 49. Kf4 Ke6 50. Ne3 Kd6 51. Nxf5+ Kd7 52. Ke5 Ke8 53. Nd6+ Ke7 54. Nb7 Kf8 55. Nxc5 Ke7 56. Ne4 Kd7 57. g4 Ke7 58. g5 Kd7 59. Kf6 Kd8 60. g6 Kd7 61. g7 Kc8 62. g8=Q+ Kb7 63. Qd5+ Kc7 64. c5 Kc8 65. Qd6 Kb7 66. Qe7+ |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 127 moves | 1. Nf3 d5 2. c4 c6 3. h4 dxc4 4. Nc3 b5 5. d4 cxd3 6. exd3 Nf6 7. Be2 Bg4 8. Ne5 Bxe2 9. Qxe2 Qd4 10. Nf3 Qg4 11. O-O Nbd7 12. Bg5 h6 13. Bxf6 Nxf6 14. Qe5 Qd7 15. Rad1 Rd8 16. Rd2 Qd6 17. Qxd6 Rxd6 18. a4 bxa4 19. Ra1 e6 20. Rxa4 Rd7 21. Ne5 Rc7 22. Rc4 c5 23. Ne4 a5 24. Ra4 Nxe4 25. dxe4 Ra7 26. Nc6 Rd7 27. Rxd7 Kxd7 28. Ne5+ Ke7 29. Rxa5 Kf6 30. Nd7+ Ke7 31. Nxc5 e5 32. f3 g6 33. Kf2 h5 34. g3 f6 35. b4 Bh6 36. Ra7+ Kd6 37. Rd7+ Kc6 38. Rd5 Rb8 39. Nd7 Rxb4 40. Nxf6 Rb2+ 41. Ke1 Be3 42. Nd7 Bf2+ 43. Kf1 Bxg3 44. Nxe5+ Bxe5 45. Rxe5 Rb3 46. Kf2 Rb2+ 47. Kg3 Rd2 48. Rg5 Rd6 49. Kf4 Re6 50. Ra5 Rf6+ 51. Ke3 Kd7 52. e5 Rc6 53. Kf4 Ke6 54. Kg5 Rc3 55. Kxg6 Rxf3 56. Kxh5 Rf4 57. Kg5 Ke7 58. Kxf4 Kf7 59. Ra7+ Ke8 60. h5 Kd8 61. h6 Kc8 62. Rg7 Kd8 63. h7 Ke8 64. h8=Q# |