| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 107 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 Qxg5 15. Bxg5 Bxg5 16. Bb5+ Kf8 17. dxc5 Nh6 18. c6 Nxc6 19. Bxc6 Rd8 20. Qb3 Rd6 21. Qxb4 Bd2+ 22. Qxd2 Rxd2 23. Kxd2 Ng4 24. Rd3 g6 25. Rd8+ Kg7 26. Rxh8 Kxh8 27. hxg6 hxg6 28. f4 Kg7 29. e5 f6 30. Re1 fxe5 31. fxe5 Nh6 32. b3 Nf5 33. Kd3 Ne7 34. Be4 a6 35. Kc4 Nf5 36. Bb7 a5 37. Kb5 Kf7 38. Kxa5 g5 39. b4 Ke7 40. b5 g4 41. b6 Nd4 42. Rd1 Nf5 43. Bc6 Kf7 44. Rd7+ Kg6 45. b7 Kg5 46. Kb5 Kf4 47. b8=Q Ke3 48. Qd8 Kf4 49. Qf6 Ke3 50. Kc4 Kf4 51. Rd3 g3 52. Rf3+ Kg4 53. Qg6+ Kh4 54. Rf4# |
| 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 Qa5 9. exf5 Nh6 10. Bxc4 Nxf5 11. d3 Nd7 12. Bf4 Nd6 13. O-O g6 14. Re1 Nxc4 15. dxc4 Rc8 16. Qd4 Nf6 17. Nfg5 c5 18. Nc7+ Qxc7 19. Qxf6 Qb6 20. Qf7+ Kd8 21. Rad1+ Qd6 22. Re3 Qd7 23. Ne6# |
| 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 f5 8. Nxe6 Qd6 9. exf5 Nh6 10. Bxc4 Nxf5 11. d4 b3 12. Qxb3 Nd7 13. Bf4 Rb8 14. Bxd6 Rxb3 15. axb3 exd6 16. Bd3 g6 17. Rxa7 Ke7 18. Nxf8 Rxf8 19. O-O Rb8 20. Re1+ Ne3 21. Rxe3+ Kd8 22. Ng5 Nc5 23. Nf7+ Kc8 24. Re8# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 37 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 c5 15. Rxh8 Bxc1 16. Rxg8+ Ke7 17. Rxc1 a5 18. dxc5 Ra7 19. Qd8# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 81 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. d3 Qd4 12. Nf3 exf2+ 13. Rxf2 Qd6 14. Bg5 Ng4 15. Re2 h6 16. Be3 Nd7 17. Qb3 e6 18. Kh1 Be7 19. Bg1 Qg3 20. Bxe6 Nh2 21. Bxh2 Qxh2+ 22. Nxh2 Rf8 23. Bxf5 Rxf5 24. Qg8+ Nf8 25. Qxg7 Rf7 26. Qxh6 Rc8 27. Qd6 Rd8 28. Qxc6+ Nd7 29. Nc5 a5 30. Nb7 Kf8 31. Nxd8 Bxd8 32. Qc8 Kg7 33. Qxd8 Nf6 34. Qxa5 b3 35. Qg5+ Kh7 36. Re6 bxa2 37. Rxa2 Rg7 38. Qf5+ Kh8 39. Ra8+ Rg8 40. Qxf6+ Kh7 41. Qh6# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z in 45 moves | 1. Nf3 d5 2. c4 c6 3. h4 dxc4 4. Nc3 b5 5. a3 Nf6 6. g3 Ng4 7. Ne4 e5 8. Bh3 Qd5 9. d3 Bf5 10. Bxg4 Bxg4 11. Nc3 Ke7 12. Nxd5+ cxd5 13. Nxe5 Be6 14. dxc4 bxc4 15. e4 f6 16. exd5 fxe5 17. dxe6 Kxe6 18. Qf3 Nd7 19. Qg4+ Kd6 20. Qxc4 Nb6 21. Qe4 Ke6 22. Be3 Bd6 23. Qg4+ |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 33 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 Bc5 13. hxg6 Nh6 14. gxf7+ Nxf7 15. Nxf7 Kxf7 16. Qh5+ Kf6 17. Bg5# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 37 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 e5 15. Rxh8 Bxc1 16. Rxg8+ Ke7 17. dxe5 Bd2+ 18. Qxd2 Na6 19. Qd6# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z in 125 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 e6 10. Bf4 Qd4 11. Qe3 Qb4 12. Qd2 Bc5 13. a3 Qd4 14. Nf3 Qd8 15. d4 Bd6 16. O-O O-O 17. Rae1 Bxf4 18. Qxf4 Nbd7 19. Ne4 Qb8 20. Qxb8 Rfxb8 21. Nxf6+ Nxf6 22. Ne5 Rb6 23. Rc1 Rc8 24. Rc2 Nd5 25. Rfc1 Ne7 26. Nd7 Rb7 27. Ne5 Rd8 28. Nxc6 Nxc6 29. Rxc6 Rbd7 30. Ra6 Rxd4 31. Rxa7 Rxh4 32. Rd7 Rf8 33. Rc5 b4 34. a4 Re4 35. Kf1 e5 36. a5 Rd4 37. Rb7 Rd1+ 38. Ke2 Rfd8 39. Rxb4 R1d2+ 40. Ke3 f5 41. Rxe5 R8d3+ 42. Kf4 Rxf2+ 43. Kg5 Rg3+ 44. Kh4 Rgxg2 45. Rbb5 Rg4+ 46. Kh3 Rf3+ 47. Kh2 Rc4 48. Kg2 Rff4 49. Rxf5 Rxf5 50. Rxf5 Rb4 51. Rf2 Rb5 52. b4 Rxb4 53. Ra2 h5 54. a6 Rg4+ 55. Kh3 Rb4 56. a7 Rb3+ 57. Kg2 Re3 58. a8=Q+ Kf7 59. Qa5 Kf6 60. Rf2+ Kg6 61. Qb6+ Kh7 62. Qxe3 Kg6 63. Qe4+ |
| 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 Bg4 15. Nxg4 Rd8 16. Be3 Na4 17. Rb1 Nb6 18. Ba6 Ne7 19. Bc5 Nd7 20. Bxb4 h5 21. Ne3 Ne5 22. Rd1 Rxd1+ 23. Kxd1 Nd7 24. Ke2 Ng6 25. Bd6 Rh6 26. Nc4 f5 27. Bb7 Ne7 28. Bxe7 Kxe7 29. Bxc6 Nb8 30. Bb7 Rg6 31. Kf2 Nd7 32. Rd1 Nc5 33. Ne5 Rf6 34. b4 Nxb7 35. Rd7+ Ke8 36. Rxb7 fxe4 37. Rxa7 exf3 38. gxf3 Rf5 39. Nc6 Rd5 40. Rxg7 Rd6 41. Re7+ Kf8 42. Rc7 Rd2+ 43. Ke3 Rxa2 44. b5 Rb2 45. Rb7 Rb3+ 46. Ke4 Rc3 47. Nd4 Ke8 48. b6 Rc1 49. Ke5 Rc3 50. Kxe6 Rb3 51. Rb8# |
| 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 f5 7. Bxc4 fxe4 8. Ng5 Nh6 9. Qc2 Bf5 10. O-O e3 11. d3 exf2+ 12. Rxf2 Qd4 13. Nf3 Qd6 14. Bxh6 Qxh6 15. Qb3 a5 16. Bf7+ Kd8 17. Qc4 Bd7 18. Nc5 Ra7 19. Ne5 Kc7 20. Be6 Bxe6 21. Nxe6+ Kb7 22. Nf7 Qg6 23. Nxh8 Qg3 24. Rxf8 Qe3+ 25. Kh1 h6 26. Ng6 Qe2 27. Rb1 Qd2 28. Nxe7 g6 29. Nxc6 Qxg2+ 30. Kxg2 Nd7 31. Qb5+ Nb6 32. Nxa5+ Rxa5 33. Rf7+ Kb8 34. Qxb6+ Ka8 35. Qd8# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 117 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 h6 12. h5 Qf6 13. Nf3 Be7 14. Qa4 a5 15. Ne5 Kf8 16. Be3 Bd6 17. Nd7+ Nxd7 18. Qxc6 Rd8 19. Qxd6+ Qe7 20. Qxe7+ Nxe7 21. Bd3 Nf6 22. Rc1 Ng4 23. Rc7 Nxe3 24. fxe3 Rc8 25. Rxc8+ Nxc8 26. Kd2 Ke7 27. Rc1 Rf8 28. Rc5 a4 29. Rc4 b3 30. Rxa4 bxa2 31. Rxa2 g6 32. hxg6 fxg6 33. Ke2 Rf7 34. e5 g5 35. Ra6 Rg7 36. Bc4 Rg6 37. d5 g4 38. e4 exd5 39. Rxg6 dxc4 40. Rxh6 Kd7 41. Ke3 Ne7 42. Rd6+ Kc7 43. Kd4 Nc8 44. Rg6 Nb6 45. Rxg4 Na4 46. Rg7+ Kc6 47. Kxc4 Nxb2+ 48. Kd4 Na4 49. g4 Kb6 50. g5 Kc6 51. Rf7 Nc5 52. g6 Nd3 53. Kxd3 Kb6 54. e6 Kb5 55. e7 Kb4 56. e8=Q Kc5 57. Qe5+ Kb6 58. Kc4 Ka6 59. Qb5# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z in 41 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 e5 13. hxg6 f5 14. Nf7 exd4 15. Rxh7 Bh4 16. Rxh8 Kf8 17. Nd6 Bxf2+ 18. Kxf2 Ke7 19. Qxd4 Kd7 20. Nf7+ Kc7 21. Bf4+ |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z in 51 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. O-O Qd6 11. d4 Nd7 12. Qb3 a5 13. Bxe6 Nef6 14. a3 Rb8 15. axb4 Rxb4 16. Qa2 a4 17. Bd2 Rb5 18. Bf7+ Kd8 19. Bc4 Rb7 20. Ba5+ Rc7 21. Bxc7+ Qxc7 22. Ng5 Kc8 23. Qxa4 Qd8 24. Qa6+ Kc7 25. Qa7+ Kd6 26. Qa3+ |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 103 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 Bxf3 13. Bxf3 Nxd4 14. Be5 Nxf3+ 15. Qxf3 f6 16. Bxb8 Rxb8 17. Qxc6+ Qd7 18. Qxd7+ Kxd7 19. Nc5+ Kd6 20. Rac1 Bh6 21. Rfd1+ Kc6 22. f4 Rbc8 23. Rd7 e5 24. Rxa7 exf4 25. Nd3+ Kb6 26. Rxc8 Rxc8 27. Rxh7 Rd8 28. Rxh6 Rxd3 29. gxf4 b3 30. axb3 Rxb3 31. Rxg6 Kc5 32. Rxf6 Rxb2 33. h5 Kd4 34. h6 Rb7 35. Kf2 Ke4 36. Kg3 Rd7 37. Kg4 Kd5 38. Kf5 Rh7 39. Kg6 Ra7 40. h7 Ra8 41. Kg7 Ra7+ 42. Kg8 Ra8+ 43. Rf8 Ra3 44. h8=Q Ra7 45. Qh1+ Kd6 46. Qd1+ Ke6 47. Re8+ Re7 48. Qe2+ Kf5 49. Rf8+ Rf7 50. Rxf7+ Kg6 51. Qe5 Kh6 52. Rf6# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 51 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 Bc5 13. hxg6 fxg6 14. dxc5 a5 15. Nxe6 Nd7 16. Nc7+ Kd8 17. Nxa8 Nf6 18. Qd6 Nxe4 19. Qxc6 Re8 20. Be3 Nef6 21. O-O-O h6 22. Qc7+ Ke7 23. Rxd7+ Nxd7 24. Bg5+ Kf8 25. Qd6+ Re7 26. Qxe7# |
| 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 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 c5 28. Kd2 Nf8 29. Rg7 Nd7 30. Bb5 Kf8 31. Rh7 b3 32. axb3 Kg8 33. Rh5 Nb6 34. Rxc5 Kg7 35. Rc7 a5 36. Be8 Kf8 37. Bxf7 Na8 38. Ra7 Nb6 39. Bxe6 Ke8 40. Rb7 Na8 41. Ne5 a4 42. bxa4 Kf8 43. Ng6+ Ke8 44. Rb8# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 117 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. Bd4 Kf8 23. Kf2 Nd5 24. Rha1 a4 25. Nc5 Nxc5 26. Bxc5+ Kf7 27. Rxa4 Rxa4 28. Rxa4 Ke6 29. Ra7 Rb8 30. b3 Rg8 31. Bd4 g6 32. Rxh7 Kd6 33. Ra7 f4 34. Rf7 Ra8 35. b4 Ra4 36. Bc5+ Ke5 37. Bf8 Nxb4 38. Re7+ Kf6 39. Re4 Nc2 40. Rxf4+ Ke5 41. Re4+ Kf6 42. g4 g5 43. Be7+ Kg7 44. Bxg5 Na3 45. Re7+ Kf8 46. Be6 Nb5 47. Rf7+ Ke8 48. Rg7 Rf4 49. Bxf4 Nd4 50. Bc4 Kf8 51. Rd7 Nb5 52. Bxb5 cxb5 53. Rb7 Kg8 54. Kg3 b4 55. g5 b3 56. g6 b2 57. Bh6 b1=Q 58. Rxb1 Kh8 59. Rb8# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 135 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 Bxf3 14. gxf3 Nxc5 15. Be3 Ncd7 16. Rad1 Ne5 17. Be2 g6 18. Bg5 Ned7 19. Rd6 Rc8 20. Ba6 Rc7 21. Red1 O-O 22. Kb1 h5 23. Bh6 Re8 24. Bg5 Kf8 25. Bh6+ Ke7 26. Bg5 Kf8 27. Bh6+ Kg8 28. Bg5 Rb8 29. Bf4 Rb6 30. Bc4 Rcb7 31. Rg1 c5 32. Rd3 a6 33. e5 Ne8 34. Rgd1 Nf8 35. Rd8 Ng7 36. Bh6 Rb8 37. Rxb8 Rxb8 38. Bxa6 Nf5 39. Bg5 Nh7 40. Rd8+ Rxd8 41. Bxd8 f6 42. exf6 Kf7 43. Bd3 Nxf6 44. Bxf5 exf5 45. b3 Ke6 46. Kc2 Nd7 47. Kd3 Kd5 48. Ke3 Nf8 49. Bg5 Ne6 50. Bf4 Nxf4 51. Kxf4 Ke6 52. Kg5 Kf7 53. Kh6 Kf6 54. f4 Ke7 55. Kxg6 Ke6 56. Kxh5 Kf6 57. f3 Kg7 58. Kg5 Kh7 59. Kxf5 Kh6 60. Ke6 Kh7 61. f5 Kg8 62. f6 Kh8 63. f7 Kg7 64. Ke7 Kg6 65. f8=Q c4 66. bxc4 Kh7 67. Kf6 b3 68. Qg7# |
| 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 Qc8 8. Nxe6 Qxe6 9. Ng5 Qg6 10. Bxc4 e6 11. d4 Be7 12. h5 Qf6 13. Rh3 Nd7 14. Rf3 Qxg5 15. Bxg5 Bxg5 16. Rg3 Bf6 17. Qd2 a5 18. e5 Nxe5 19. dxe5 Bxe5 20. Rd3 Nf6 21. Qe2 Bc7 22. h6 Rg8 23. hxg7 Rxg7 24. g3 Nd7 25. Rad1 Ne5 26. Rd4 h6 27. Bb3 Rb8 28. f4 Ng6 29. Rd7 Nxf4 30. Qf3 Be5 31. gxf4 Bxb2 32. Qxc6 Rg4 33. Rxf7+ Kxf7 34. Qxe6+ Kf8 35. Qf7# |