| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 35 moves | 1. Nf3 d5 2. c4 c6 3. h4 dxc4 4. Nc3 b5 5. e4 b4 6. Na4 Be6 7. Nc5 Nf6 8. Nxe6 fxe6 9. Bxc4 Nxe4 10. d4 g6 11. O-O Qd6 12. Re1 Nf6 13. Rxe6 Qd8 14. Bg5 Nfd7 15. Qc2 Nb6 16. Bb3 Qd7 17. Rae1 Kf7 18. Rxe7# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 45 moves | 1. Nf3 d5 2. c4 c6 3. h4 dxc4 4. Nc3 b5 5. e4 b4 6. Na4 Be6 7. Nc5 f5 8. Nxe6 Qd6 9. exf5 Nh6 10. Bxc4 Nxf5 11. d4 g5 12. Nfxg5 a5 13. Ne4 Qxe6 14. Bxe6 Ng7 15. Bc4 Kd8 16. d5 Kc8 17. dxc6 Nxc6 18. Qd5 Ne5 19. Qxa8+ Kd7 20. Nc5+ Kd6 21. Qd5+ Kc7 22. Qb7+ Kd6 23. Ne4# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 55 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 e3 11. Qb3 exf2+ 12. Rxf2 Qa5 13. d4 Ng4 14. Bf7+ Kd8 15. Nc5 Ne5 16. Nb7+ Kc7 17. Nxa5 h6 18. Rxf5 hxg5 19. Qxb4 Kd8 20. Qb7 Nxf7 21. Qxa8 Kd7 22. Qxb8 Nd8 23. Qxa7+ Ke8 24. Bxg5 Nf7 25. Qb8+ Nd8 26. Nb7 Kd7 27. Qxd8+ Ke6 28. Qc8# |
| 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. d4 cxd3 6. exd3 Nf6 7. Be2 Bg4 8. O-O g6 9. Ne5 Bxe2 10. Qxe2 Qd4 11. Bg5 Bg7 12. Rae1 Qb4 13. a3 Ne4 14. axb4 Nxg5 15. hxg5 O-O 16. Qf3 a6 17. Nxc6 Nxc6 18. Qxc6 e6 19. Re4 Rfb8 20. d4 Rd8 21. Qb7 Rab8 22. Qxa6 Bxd4 23. Nxb5 Bxb2 24. Nd6 Rd7 25. Qc6 Ra7 26. b5 Rf8 27. b6 Ra2 28. b7 Bg7 29. Nxf7 Rb2 30. Nh6+ Kh8 31. Rxe6 Rb4 32. Qc7 Rb2 33. Re7 Bxh6 34. gxh6 Rbxf2 35. Rxh7+ Kg8 36. Qg7# |
| 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 f5 7. Bxc4 fxe4 8. Ng5 Nh6 9. Qb3 a5 10. Bf7+ Nxf7 11. Qxf7+ Kd7 12. Ne6 Ba6 13. Nac5+ Kc8 14. Nxd8 Kxd8 15. Ne6+ Kc8 16. Nxf8 Bc4 17. Qxe7 g6 18. b3 Bd3 19. Bb2 Rxf8 20. Qxf8+ Kb7 21. Qe7+ Ka6 22. Qxh7 e3 23. dxe3 Ra7 24. Qg8 Rb7 25. Rd1 Bb5 26. Be5 Ka7 27. Qd8 Ka8 28. Rd7 Bc4 29. bxc4 Rc7 30. Bxc7 g5 31. Qxb8# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 57 moves | 1. Nf3 d5 2. c4 c6 3. h4 dxc4 4. Nc3 b5 5. e4 Nf6 6. d4 b4 7. Na4 Nxe4 8. Bxc4 Nd6 9. Be2 g6 10. Bf4 Bg4 11. O-O Nf5 12. g3 Bg7 13. Rc1 Bh3 14. Re1 Nxd4 15. Ng5 e5 16. Nxh3 exf4 17. Bg4+ Kf8 18. Nxf4 Kg8 19. Nc5 h6 20. Rc4 f6 21. Rxd4 Nd7 22. Rxd7 Rb8 23. Rxd8+ Rxd8 24. Qxd8+ Kh7 25. Qd7 f5 26. Bxf5 Rg8 27. Nxg6 Rb8 28. Re8 Rb7 29. Ne5# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 89 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 Kd8 14. Nxf7+ Ke7 15. Nxh8 Nf6 16. e5 Rxh8 17. exf6+ gxf6 18. Be3 Na4 19. b3 Nb6 20. Bc5+ Kf7 21. Bxb4 Nxc4 22. bxc4 e5 23. Bc5 Be6 24. Rb1 Bxc4 25. Rb7+ Ke6 26. Rxa7 Rg8 27. g3 h6 28. Kd2 Rb8 29. Kc3 Be2 30. Re1 Bf3 31. Re3 e4 32. Kd4 Rb2 33. g4 f5 34. Re7+ Kf6 35. Rc7 fxg4 36. Rxc6+ Kf5 37. Rxh6 Rxf2 38. Rh5+ Kf6 39. Ra3 Rd2+ 40. Ke3 Re2+ 41. Kf4 Rc2 42. Ra6+ Kf7 43. Ra7+ Kg6 44. Rah7 Rc4 45. R5h6# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 69 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 Rd8 17. Nc5 h6 18. Kf2 Nc8 19. g4 Bg6 20. h5 Bh7 21. Rad1 Nd6 22. Ba6 Ke7 23. Rd4 Rb8 24. e5 Nc8 25. Rd7+ Ke8 26. Rhd1 Ne7 27. Rxa7 Nd5 28. Bb7 Nxe3 29. Kxe3 Rxb7 30. Nxb7 Rg8 31. Nd6+ Kd8 32. Nf5+ Kc8 33. Ne7+ Kb8 34. Rdd7 g6 35. Rdb7# |
| 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 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 g5 17. Nf6+ Kf8 18. Nxh5 gxh4 19. Bh6+ Ke8 20. Bg7 Ng6 21. Bxh8 Nxh8 22. Rxh4 Kf8 23. Nf6 Ke7 24. Ng4 Ng6 25. Rxh7 Rd8 26. Rd1 Rxd1+ 27. Kxd1 a5 28. Kc2 Nf8 29. Rh5 a4 30. Ra5 Nd7 31. Rxa4 c5 32. Ra7 Kd6 33. Bb5 Nb8 34. Nh6 c4 35. Nxf7+ Kc5 36. Rb7 Nc6 37. Bxc6 b3+ 38. axb3 Kxc6 39. Re7 Kc5 40. bxc4 Kd4 41. Kb3 Ke3 42. Rxe6 Kd4 43. Kb4 Ke3 44. c5 Kf2 45. c6 Kxg2 46. Rf6 Kf1 47. Nd6 Ke2 48. c7 Kd3 49. c8=Q Ke3 50. Qc2 Kd4 51. Qc3# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 45 moves | 1. Nf3 d5 2. c4 c6 3. h4 dxc4 4. Nc3 b5 5. e4 b4 6. Na4 Be6 7. Nc5 Nf6 8. Nxe6 fxe6 9. Bxc4 Nxe4 10. d4 g6 11. O-O Qd6 12. Re1 Nf6 13. Rxe6 Qd8 14. Bg5 Nd5 15. Ne5 h5 16. Nxg6 Rh7 17. Nxf8 c5 18. Nxh7 a5 19. Bxd5 Ra6 20. Nf6+ Kf7 21. Qxh5+ Kg7 22. Rxe7+ Qxe7 23. Qh6# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z in 29 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. Qb3 a5 10. Bf7+ Kd7 11. Ne6 g5 12. Nac5+ Kd6 13. Nxe4+ Ke5 14. Qg3+ Kd5 15. Nxf8+ |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 85 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 Rd8 16. Ne5 Ne7 17. Be3 Nd7 18. Nxd7 Rxd7 19. Rd1 Rxd1+ 20. Kxd1 Nc8 21. Ke2 a5 22. Rd1 g6 23. g3 Ke7 24. Bc5+ Ke8 25. Ba6 Ne7 26. Bb6 Ng8 27. Bxa5 b3 28. a4 Ke7 29. Bd8+ Ke8 30. Bc4 h6 31. Bxb3 g5 32. a5 gxh4 33. a6 hxg3 34. a7 Kf8 35. a8=Q Kg7 36. Qb8 g2 37. Qg3+ Kf8 38. Qxg2 Rh7 39. Be7+ Kxe7 40. Qxg8 Rh8 41. Qxh8 f6 42. Rd8 f5 43. Qf8# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate 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 Ne7 15. Be3 Nd7 16. Nxd7 g5 17. Nf6+ Kf8 18. Nxh5 gxh4 19. Bh6+ Ke8 20. Bg7 Ng6 21. Bxh8 Nxh8 22. Rxh4 Ke7 23. Ng7 h5 24. Rxh5 Ng6 25. Rh7 Ne5 26. Ba6 Rg8 27. Rd1 c5 28. b3 Nd7 29. Rd2 Nf6 30. Rh5 Nxh5 31. Nxh5 Rg6 32. Bb5 e5 33. Rd7+ Ke6 34. f4 f5 35. Ng7+ Rxg7 36. Rxg7 exf4 37. exf5+ Kxf5 38. Rxa7 Ke4 39. Re7+ Kd4 40. Kd2 Kd5 41. Bc4+ Kc6 42. Re6+ Kc7 43. Rf6 Kb7 44. Rxf4 Kc6 45. Rf6+ Kd7 46. Bb5+ Kd8 47. Ke3 Ke7 48. Rc6 Ke8 49. Rxc5+ Ke7 50. Rc4 Kd6 51. Ke4 Ke7 52. Rxb4 Ke6 53. a3 Kd6 54. Rc4 Ke6 55. Rc7 Kd6 56. Rc6+ Ke7 57. Kd5 Kd7 58. g4 Ke8 59. Re6+ Kf7 60. a4 Kg8 61. a5 Kf8 62. a6 Kg7 63. a7 Kf8 64. a8=Q+ Kf7 65. Qb7+ Kg8 66. Re8# |
| 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 f5 7. Bxc4 g6 8. Qb3 Nh6 9. exf5 a5 10. fxg6 Ra6 11. Bf7+ Nxf7 12. Qxf7+ Kd7 13. g7 Bxg7 14. Nc5+ Kc7 15. Qxg7 Kb6 16. Nxa6 Bxa6 17. Ng5 Rg8 18. Qxh7 Qd5 19. Qe4 Qxe4+ 20. Nxe4 Rxg2 21. d4 Rg4 22. f3 Rg2 23. a3 Bc4 24. axb4 axb4 25. Nc5 Re2+ 26. Kd1 Be6 27. Kxe2 Bc4+ 28. Kf2 e5 29. Be3 exd4 30. Bxd4 Bd5 31. Na6+ c5 32. Nxc5 Nc6 33. Be3 Kb5 34. h5 Bg8 35. h6 Bh7 36. Ne4 Bxe4 37. fxe4 Nd8 38. Ra7 Nc6 39. Rh5+ Kc4 40. Rc7 Kd3 41. Rxc6 b3 42. h7 Kxe4 43. h8=Q Kd3 44. Qd4# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z in 39 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. Rxh7 Bxc1 15. Rxc1 fxe4 16. Rxh8 Kf8 17. Qg4 a6 18. Rxg8+ Kxg8 19. Qxe6+ Kf8 20. Qd6+ |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 35 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. Qb3 a5 10. Bf7+ Kd7 11. Ne6 g5 12. Nac5+ Kd6 13. Nxe4+ Ke5 14. Qg3+ Kd5 15. Qxg5+ Kc4 16. d3+ Kxd3 17. Rh3+ Kc4 18. b3# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z in 97 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 Rh7 17. e5 Ne4 18. Ke2 g5 19. Kf3 Nxf2 20. Kxf2 Rxf7+ 21. Bxf7+ Kxf7 22. hxg5 hxg5 23. Bxg5 Nc6 24. Rae1 Ke6 25. Bf6 c4 26. g3 Bc5+ 27. Kf3 Bd4 28. Rh4 Rg8 29. Re2 Nxe5+ 30. Kg2 Kxf6 31. Rf4+ Ke6 32. Rxd4 Rc8 33. g4 a5 34. Rde4 Rc5 35. Kg3 Kd6 36. Rd4+ Rd5 37. Rxd5+ Kxd5 38. Kf4 Nd3+ 39. Ke3 Ne5 40. Rd2+ Kc5 41. Kf4 c3 42. bxc3 bxc3 43. Re2 Nd3+ 44. Ke4 Nb4 45. g5 Nc6 46. g6 Nd4 47. g7 Nxe2 48. g8=Q Kb4 49. Qf8+ |
| 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 Nxc5 13. Ne5 Bh5 14. f3 Ne7 15. Be3 Nd7 16. Nxd7 Rd8 17. Nc5 h6 18. Kf2 a5 19. Bxe6 fxe6 20. Nxe6 Kd7 21. Nxd8 Rxd8 22. Rhd1+ Ke8 23. Rxd8+ Kxd8 24. Bd4 g5 25. hxg5 hxg5 26. Bb6+ Kd7 27. Bxa5 c5 28. Rc1 b3 29. axb3 Kd6 30. Bb6 Bf7 31. Bxc5+ Ke6 32. Ke3 Nc6 33. Rd1 Ke5 34. Rd6 Nb8 35. Rb6 Nc6 36. Rxc6 Bc4 37. Bd4# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 45 moves | 1. Nf3 d5 2. c4 c6 3. h4 dxc4 4. Nc3 b5 5. e4 b4 6. Na4 f5 7. Bxc4 fxe4 8. Ne5 Nh6 9. d4 Bf5 10. Bxh6 Qa5 11. Bd2 g6 12. Qb3 Bg7 13. Bf7+ Kd8 14. Bxb4 Qxb4+ 15. Qxb4 e3 16. Qa5+ Kc8 17. fxe3 Rf8 18. O-O Bf6 19. Rxf5 gxf5 20. Be6+ Nd7 21. Bxd7+ Kb8 22. Nxc6+ Kb7 23. Nc5# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 111 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 g5 17. Nf6+ Kf8 18. Nxh5 gxh4 19. Bh6+ Ke8 20. Bg7 Ng6 21. Bxh8 Nxh8 22. Rxh4 Ke7 23. Ng7 h5 24. Nxh5 Ng6 25. Rh3 Ne5 26. Ba6 Rd8 27. Nf4 Rd6 28. Rh5 Nd7 29. Rd1 Nf6 30. Rh6 Rxd1+ 31. Kxd1 Ng8 32. Rh8 Nf6 33. Ra8 Kd6 34. Rxa7 Nd7 35. Nd3 b3 36. axb3 f6 37. Kd2 Ne5 38. Nxe5 Kxe5 39. Bc8 Kd6 40. Ke3 f5 41. exf5 exf5 42. Bxf5 Ke5 43. Ra5+ Kf6 44. Be4 Ke7 45. Bxc6 Kd6 46. Be4 Ke7 47. Ra6 Kd7 48. g4 Kd8 49. Ra7 Ke8 50. Bc6+ Kf8 51. b4 Kg8 52. b5 Kh8 53. Rc7 Kg8 54. b6 Kf8 55. b7 Kg8 56. b8=Q# |