| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 137 moves | 1. Nf3 d5 2. c4 c6 3. Na3 e6 4. e3 Nf6 5. Nc2 Nbd7 6. d4 Ne4 7. Bd3 Qa5+ 8. Bd2 Nxd2 9. Nxd2 e5 10. cxd5 cxd5 11. dxe5 Nxe5 12. Qe2 Bg4 13. f3 Nxd3+ 14. Qxd3 Be6 15. O-O Bd6 16. Nb3 Qc7 17. h3 O-O 18. Ncd4 Qc4 19. Qxc4 dxc4 20. Nxe6 fxe6 21. Rad1 c3 22. Rxd6 e5 23. bxc3 Rad8 24. Re6 Rd3 25. Rxe5 Rxc3 26. Nd4 Rf7 27. Re8+ Rf8 28. Rxf8+ Kxf8 29. Kf2 Ke7 30. e4 Rd3 31. Nf5+ Kf6 32. Ke2 Ra3 33. Ra1 b5 34. Nd6 a6 35. f4 g6 36. Ne8+ Ke6 37. Nc7+ Kd6 38. Nd5 Ke6 39. g4 Rxh3 40. Nc7+ Kd6 41. Nxa6 Rc3 42. Rd1+ Ke6 43. Nb4 Rc4 44. f5+ Ke5 45. Rd5+ Kxe4 46. Rxb5 Kf4 47. f6 Kxg4 48. f7 Rf4 49. Rb7 Re4+ 50. Kd3 Rf4 51. Nd5 Rf2 52. Rb4+ Kg5 53. Rf4 Rxf4 54. Nxf4 Kxf4 55. f8=Q+ Ke5 56. Qe7+ Kd5 57. Qxh7 Ke5 58. Qxg6 Kd5 59. Qf5+ Kd6 60. a4 Kc6 61. Qe4+ Kd6 62. Qc4 Kd7 63. Kd4 Kd8 64. a5 Ke7 65. Ke5 Ke8 66. a6 Kd7 67. a7 Kd8 68. a8=Q+ Kd7 69. Qf7# |
| 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. Na3 e6 4. e3 Nf6 5. Nc2 Bd6 6. d4 b6 7. Bd3 dxc4 8. Bxc4 Ba6 9. Bxa6 Nxa6 10. e4 Rg8 11. e5 Nd5 12. exd6 Qxd6 13. Qd3 Nab4 14. Nxb4 Qxb4+ 15. Kf1 Nf6 16. a3 Qd6 17. Bd2 a5 18. Qb3 Rb8 19. Re1 h6 20. Ne5 Qd5 21. Qc4 Qxc4+ 22. Nxc4 Nd5 23. Ne5 Ne7 24. b4 f6 25. Nc4 axb4 26. Bxb4 Kd7 27. Bd6 Rbd8 28. Bxe7 Kxe7 29. Nxb6 Rxd4 30. a4 Rb8 31. a5 e5 32. Ke2 c5 33. Rd1 Re4+ 34. Kf3 Rd4 35. Rc1 Kd6 36. Rhe1 Rd3+ 37. Re3 Rd4 38. Rec3 Rf4+ 39. Ke3 Rg4 40. g3 f5 41. Rxc5 Re4+ 42. Kf3 Rb7 43. Rc6+ Ke7 44. a6 Rxb6 45. Rxb6 Ra4 46. Rc7+ Kd8 47. Rxg7 Rc4 48. Rb8+ Rc8 49. a7 e4+ 50. Kf4 e3 51. Rxc8+ Kxc8 52. a8=Q# |
| 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. Na3 e6 4. e3 Nf6 5. Nc2 Bd6 6. d4 b6 7. Bd3 dxc4 8. Bxc4 Ba6 9. Bxa6 Nxa6 10. e4 Nd7 11. Bd2 O-O 12. O-O e5 13. Rc1 exd4 14. Ncxd4 c5 15. Nf5 Be5 16. Qa4 Nc7 17. Nxe5 Nxe5 18. Rfd1 Nd3 19. Rc2 g6 20. Nh6+ Kg7 21. Be3 Qd6 22. Qc4 Rfe8 23. Qxf7+ Kh8 24. Rxd3 Qe5 25. Bf4 Qg7 26. Qxg7+ Kxg7 27. Rd7+ Kh8 28. Bxc7 Rxe4 29. Be5+ Rxe5 30. Nf7+ Kg7 31. Nxe5+ Kh6 32. Nf7+ Kg7 33. Ng5+ Kf6 34. f4 Rd8 35. Rf7# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 139 moves | 1. Nf3 d5 2. c4 c6 3. Na3 e6 4. e3 Nf6 5. Nc2 Bd6 6. d4 b6 7. Bd3 dxc4 8. Bxc4 Ba6 9. Bxa6 Nxa6 10. e4 Rg8 11. e5 Nd5 12. exd6 Qxd6 13. Qd3 Nab4 14. Qb3 Rd8 15. O-O Nxc2 16. Qxc2 h6 17. Ne5 Ne7 18. Be3 f6 19. Nc4 Qd5 20. Rad1 Nf5 21. f3 Kf7 22. Rfe1 Nxe3 23. Rxe3 c5 24. f4 b5 25. Nd2 cxd4 26. Ra3 d3 27. Rxa7+ Rd7 28. Rxd7+ Qxd7 29. Nb3 Rd8 30. Qc5 Qd5 31. h3 g6 32. Qe3 h5 33. Qb6 Rd7 34. Nc5 Qd4+ 35. Kh1 Re7 36. Qxb5 d2 37. Qa5 Qxb2 38. Qxd2 Qxd2 39. Rxd2 Rc7 40. Ne4 e5 41. fxe5 fxe5 42. Kh2 Ke6 43. Kg3 Rc4 44. Kf3 Rd4 45. a4 Kd5 46. Rxd4+ exd4 47. a5 Kc6 48. Ng5 Kb5 49. Ke4 Kxa5 50. g4 hxg4 51. hxg4 Kb5 52. Kxd4 Kc6 53. Ke5 Kd7 54. Kf6 Kd6 55. Kxg6 Ke5 56. Nf3+ Kd5 57. Kf6 Ke4 58. Ne5 Ke3 59. g5 Ke4 60. g6 Kd5 61. g7 Kc5 62. g8=Q Kd6 63. Qf7 Kc5 64. Qc4+ Kb6 65. Ke6 Ka5 66. Kd6 Kb6 67. Qd5 Ka7 68. Qb5 Ka8 69. Kc6 Ka7 70. Qb7# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 121 moves | 1. Nf3 d5 2. c4 c6 3. Na3 e6 4. e3 Bxa3 5. bxa3 Nf6 6. d4 Ne4 7. Bd2 Nd7 8. Bd3 b6 9. cxd5 exd5 10. O-O c5 11. dxc5 bxc5 12. Bxe4 dxe4 13. Qa4 Qe7 14. Ng5 Bb7 15. Rfb1 Bd5 16. Nh3 Qd6 17. Ba5 Bc6 18. Qd1 Qxd1+ 19. Rxd1 Rb8 20. Rd6 Rc8 21. Rad1 Ba4 22. Rb1 Rc6 23. Rd5 Ra6 24. Bc3 Rb6 25. Rxb6 axb6 26. Bxg7 Rg8 27. Bc3 Rg4 28. Nf4 f6 29. h3 Rg8 30. g4 Bb5 31. Rh5 Rg6 32. Nxg6 hxg6 33. Rh6 Kf7 34. Kg2 Bc4 35. Kg3 Bxa2 36. Kf4 Bd5 37. a4 Nf8 38. Rh8 Ne6+ 39. Kg3 Nf8 40. Bxf6 Kxf6 41. Rxf8+ Ke5 42. Rb8 c4 43. h4 c3 44. Rc8 Bb3 45. Rxc3 Bxa4 46. Rc7 Kd5 47. Kf4 Bc6 48. Re7 Kc4 49. h5 b5 50. hxg6 Bd5 51. g7 Kc3 52. Rc7+ Kb4 53. g5 Kb3 54. Ke5 Bb7 55. Rxb7 Kc3 56. Kxe4 Kd2 57. g8=Q Ke2 58. f4 Kd2 59. Rxb5 Kd1 60. Qa2 Kc1 61. Rb1# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 97 moves | 1. Nf3 d5 2. c4 c6 3. Na3 e6 4. e3 Nf6 5. Nc2 Bd6 6. Bd3 Bd7 7. b4 e5 8. Be2 e4 9. Nfd4 O-O 10. cxd5 cxd5 11. f4 Nc6 12. Nxc6 bxc6 13. Bb2 a5 14. bxa5 Qxa5 15. Bxf6 gxf6 16. O-O Rfb8 17. d3 Qa4 18. dxe4 Rb2 19. Nd4 dxe4 20. Qc1 Rxa2 21. Rxa2 Qxa2 22. Rd1 Ba3 23. Qc2 Qxc2 24. Nxc2 Ra7 25. Nxa3 Rxa3 26. Rxd7 Rxe3 27. Bc4 Kg7 28. Bxf7 Kh6 29. Kf2 Kg7 30. Kxe3 f5 31. Bc4+ Kg6 32. Rd6+ Kg7 33. Rxc6 h5 34. Be6 Kg6 35. Bd7+ Kg7 36. Bxf5 Kf7 37. Bxe4 h4 38. Rh6 Ke7 39. Rxh4 Kf7 40. f5 Kg7 41. Kf4 Kf6 42. g4 Kg7 43. g5 Kf8 44. f6 Kf7 45. Kf5 Ke8 46. Rh7 Kd8 47. Re7 Kc8 48. f7 Kd8 49. f8=Q# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 99 moves | 1. Nf3 d5 2. c4 c6 3. Na3 e6 4. e3 Bxa3 5. bxa3 Nf6 6. d4 Ne4 7. Bd2 Nxd2 8. Qxd2 Qe7 9. Qc3 Nd7 10. Bd3 dxc4 11. Bxc4 O-O 12. Bd3 f5 13. O-O c5 14. Rac1 b6 15. Bb5 Nf6 16. Rfd1 Nd5 17. Qb3 cxd4 18. Bc6 h5 19. Bxa8 dxe3 20. fxe3 Bb7 21. Bxb7 Qxb7 22. Ng5 Qe7 23. Nxe6 Qxe6 24. Qxd5 Qxd5 25. Rxd5 Rf6 26. Rc7 a5 27. Kf2 h4 28. Kf3 g5 29. Rb7 a4 30. h3 g4+ 31. hxg4 fxg4+ 32. Kxg4 Rf7 33. Rg5+ Kf8 34. Rxf7+ Kxf7 35. Rb5 Ke6 36. Rxb6+ Ke5 37. Kxh4 Ke4 38. Rb4+ Kxe3 39. g4 Ke2 40. g5 Kf2 41. g6 Kg2 42. Rxa4 Kf3 43. Kg5 Ke2 44. g7 Ke3 45. g8=Q Kf2 46. Qd5 Ke3 47. Re4+ Kf3 48. Qd3+ Kg2 49. Qd2+ Kh3 50. Re3# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 129 moves | 1. Nf3 d5 2. c4 c6 3. Na3 e6 4. e3 Nf6 5. Nc2 Bd6 6. Bd3 Bd7 7. cxd5 cxd5 8. Ncd4 Nc6 9. Nxc6 Bxc6 10. Nd4 Bd7 11. f4 Rc8 12. O-O Bc5 13. Nf3 Qc7 14. Ne5 Bd6 15. Nxd7 Qxd7 16. b3 d4 17. Bb2 Bc5 18. e4 h5 19. Rc1 O-O 20. g3 g6 21. Rf3 Be7 22. Rxc8 Rxc8 23. Qa1 Rd8 24. e5 Ng4 25. Be4 Kg7 26. h3 f5 27. Bd3 Qd5 28. Qd1 Nh6 29. Bc4 Qc6 30. a4 Bb4 31. Kf2 Bc5 32. Kf1 a6 33. Qe2 Rc8 34. Kg2 Nf7 35. Qd3 Rd8 36. Qc2 Rc8 37. Qd1 b5 38. axb5 axb5 39. Bd3 Rd8 40. Qe2 Bb4 41. Bxb5 Qc2 42. Qc4 Qxd2+ 43. Rf2 Qe1 44. Re2 Qd1 45. Qxb4 d3 46. Rd2 Qe1 47. Qc3 Qe4+ 48. Kh2 Qf3 49. h4 Qe3 50. Bxd3 Qf3 51. Bc4 Qc6 52. Rxd8 Nxd8 53. Qb4 Qe8 54. Qd6 Kh7 55. b4 Kg7 56. b5 Kf7 57. b6 Qa4 58. Qxd8 Qc2+ 59. Kh3 Qa4 60. b7 Qb4 61. Ba3 g5 62. Bxe6+ Kxe6 63. Qg8+ Ke7 64. Bxb4+ Kd7 65. Qc8# |
| 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. Na3 e6 4. e3 Nf6 5. Nc2 Bd6 6. d4 b6 7. Bd3 dxc4 8. Bxc4 Ba6 9. Bxa6 Nxa6 10. e4 Nd7 11. Bd2 O-O 12. O-O e5 13. Rc1 Nc7 14. Nb4 c5 15. Nc6 Qe8 16. dxe5 Nxe5 17. Nfxe5 Bxe5 18. Nxe5 Qxe5 19. Qc2 Rae8 20. Rfe1 Nb5 21. f3 Nd4 22. Qa4 Rd8 23. Rcd1 a5 24. Be3 Rfe8 25. Kh1 Qf6 26. a3 h6 27. Rd2 Kh8 28. Red1 Ne6 29. Qc6 Rb8 30. Qb5 Qe5 31. Rd7 Kg8 32. R1d5 Nc7 33. Rxe5 Na8 34. Qc4 Rf8 35. Rf5 b5 36. Rfxf7 Kh7 37. Rxg7+ Kh8 38. Rh7# |
| 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. Na3 e6 4. e3 Bxa3 5. bxa3 Nf6 6. d4 Ne4 7. cxd5 exd5 8. Bd2 Nxd2 9. Qxd2 O-O 10. Bd3 g6 11. Rb1 b6 12. O-O Qd6 13. Rb3 Nd7 14. Rc1 f6 15. Qc3 c5 16. Rb5 a6 17. dxc5 bxc5 18. Rb2 Rb8 19. Rxb8 Qxb8 20. Rd1 Qd6 21. Bc4 Nb6 22. e4 Be6 23. exd5 Nxd5 24. Qd3 Rd8 25. Bxa6 Qe7 26. Bc4 Kh8 27. Qe4 Qf7 28. Re1 Bf5 29. Qh4 Rd6 30. Qh6 Rd7 31. Nh4 Bc2 32. Re2 Ba4 33. Rb2 Nb4 34. Nxg6+ Qxg6 35. Qf8+ Qg8 36. Qxg8# |
| 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. Na3 e6 4. e3 Nf6 5. Nc2 Bd6 6. d4 b6 7. Bd3 dxc4 8. Bxc4 Ba6 9. Bxa6 Nxa6 10. e4 Rf8 11. e5 Nd5 12. exd6 Qxd6 13. Qd3 Nab4 14. Qd2 Rd8 15. O-O Qe7 16. Nxb4 Nxb4 17. a3 Nd5 18. Qc2 Rd6 19. Qxh7 f6 20. Bd2 g5 21. Qh6 Kd8 22. Rfe1 a5 23. b4 a4 24. Rac1 Rg8 25. b5 g4 26. Nh4 cxb5 27. Nf5 exf5 28. Rxe7 Nxe7 29. Bb4 Re6 30. Bxe7+ Rxe7 31. Qxf6 Rg7 32. Qf8+ Re8 33. Qxg7 Re6 34. Qb7 Re1+ 35. Rxe1 b4 36. Qc6 g3 37. Re8# |
| 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. Na3 e6 4. e3 Nf6 5. Nc2 Bd6 6. Bd3 Bd7 7. b4 e5 8. Be2 e4 9. Ng1 Qc7 10. f4 dxc4 11. Bb2 Na6 12. a3 b5 13. g4 Rg8 14. Bxf6 gxf6 15. Nd4 c5 16. Qb1 f5 17. bxc5 Qxc5 18. gxf5 Bc6 19. Nh3 Rg2 20. Ng5 Nb8 21. Nxe4 Qxd4 22. exd4 Be7 23. f6 Bf8 24. a4 bxa4 25. Bxc4 a3 26. d5 Na6 27. dxc6 Nb4 28. Nc5 Nc2+ 29. Qxc2 O-O-O 30. Ne4 Bb4 31. c7 Bxd2+ 32. Kf1 Kxc7 33. Bd5+ Bc3 34. Qxc3+ Kd7 35. Qc6# |
| 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. Na3 e6 4. e3 Bxa3 5. bxa3 Nf6 6. d4 Ne4 7. Bd2 Nd7 8. Bd3 Nxd2 9. Qxd2 Qe7 10. cxd5 exd5 11. Qb4 b6 12. O-O c5 13. dxc5 bxc5 14. Qg4 Kf8 15. Qf5 Nf6 16. Qe5 Qxe5 17. Nxe5 c4 18. Be2 c3 19. Rfc1 Ne4 20. f3 f6 21. Nc6 Bd7 22. Nb4 Nd6 23. Rxc3 Rd8 24. Nxd5 Bb5 25. Bd3 Bxd3 26. Rxd3 Nc4 27. e4 Kf7 28. Rc3 Ne5 29. Rc7+ Rd7 30. Rxd7+ Nxd7 31. Rc1 a5 32. Rc7 Ke6 33. Ra7 Rc8 34. Nf4+ Ke7 35. Rxa5 Rc1+ 36. Kf2 Rc2+ 37. Ke3 Rxa2 38. Ra7 Kd6 39. a4 g5 40. Ra6+ Ke7 41. Nd5+ Kf7 42. Rd6 Ke8 43. Nxf6+ Nxf6 44. Rxf6 Rxg2 45. Rh6 Ra2 46. Rxh7 Ra3+ 47. Kd4 Rxa4+ 48. Ke5 Ra3 49. h4 gxh4 50. Kf4 Ra2 51. Rxh4 Rb2 52. Rh7 Kf8 53. e5 Kg8 54. Rd7 Re2 55. Kf5 Kf8 56. e6 Ke8 57. Rc7 Re3 58. f4 Re2 59. Kf6 Kd8 60. Ra7 Kc8 61. e7 Re5 62. Kxe5 Kb8 63. Rd7 Kc8 64. e8=Q# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z in 139 moves | 1. Nf3 d5 2. c4 c6 3. Na3 e6 4. e3 Bxa3 5. bxa3 Nf6 6. d4 Ne4 7. Bd2 Nd7 8. Bd3 Nxd2 9. Qxd2 Qe7 10. cxd5 exd5 11. Qb4 b6 12. O-O c5 13. dxc5 bxc5 14. Qa4 O-O 15. Rac1 h5 16. Qc6 Nb6 17. Qxc5 Re8 18. Qc3 Bg4 19. Nd4 Rac8 20. Qb4 g6 21. Rxc8 Bxc8 22. Rc1 Qg5 23. Kh1 Qh4 24. Qb2 Bg4 25. Qd2 Rc8 26. Rxc8+ Bxc8 27. f3 Bd7 28. Qe2 Nc4 29. g3 Qg5 30. f4 Qe7 31. e4 Bg4 32. Qc2 Nxa3 33. Qc6 dxe4 34. Bxe4 Kg7 35. Qd5 Kh7 36. f5 a5 37. fxg6+ Kh6 38. gxf7 Kg7 39. Nf5+ Bxf5 40. Qxf5 Qxf7 41. Qe5+ Kf8 42. Qc5+ Qe7 43. Qc8+ Qe8 44. Qxe8+ Kxe8 45. Bg6+ Kd7 46. Bxh5 Nc4 47. Kg2 Ke6 48. g4 Kf6 49. h4 Nd6 50. g5+ Kg7 51. Kg3 Nf5+ 52. Kg4 Ne3+ 53. Kf4 Nd5+ 54. Ke5 Ne7 55. Ke6 Ng6 56. Bxg6 Kxg6 57. a4 Kg7 58. Kf5 Kh7 59. Kf6 Kg8 60. Kg6 Kf8 61. Kh7 Ke7 62. g6 Kd6 63. g7 Kc5 64. g8=Q Kb4 65. Qg4+ Kb3 66. h5 Kc3 67. h6 Kd3 68. Kg6 Ke3 69. h7 Kd3 70. Qf3+ |
| 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. Na3 e6 4. e3 Nf6 5. Nc2 Nbd7 6. d4 Ne4 7. Bd3 Qa5+ 8. Nd2 Bc5 9. Bxe4 dxe4 10. dxc5 Ne5 11. O-O f5 12. b4 Qc7 13. Qh5+ g6 14. Qh3 O-O 15. Bb2 Rd8 16. Rad1 Rd3 17. Qg3 f4 18. Qxf4 Nf3+ 19. gxf3 Qxf4 20. exf4 exf3 21. Ne1 Rd8 22. Nexf3 a5 23. b5 Rf8 24. Be5 cxb5 25. cxb5 Bd7 26. Nd4 Rad8 27. Ne4 h6 28. c6 bxc6 29. bxc6 Be8 30. c7 Kf7 31. cxd8=Q Kg8 32. Qe7 Bf7 33. Qf6 Be8 34. Qg7# |
| 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. Na3 e6 4. e3 Nf6 5. Nc2 Bd6 6. d4 b6 7. Bd3 dxc4 8. Bxc4 Ba6 9. Bxa6 Nxa6 10. e4 Nd7 11. Bd2 O-O 12. O-O e5 13. Rc1 Nc7 14. Ng5 h6 15. Nf3 Re8 16. Bb4 c5 17. dxc5 Nxc5 18. Qe2 a5 19. Bc3 f6 20. b3 N7e6 21. Rfd1 Qe7 22. Qc4 Rad8 23. b4 b5 24. Qxb5 Nxe4 25. Be1 Bxb4 26. Nxb4 Rd6 27. Nd5 Qd7 28. Qxd7 Rxd7 29. Bxa5 Ra8 30. Bb4 Rxd5 31. Rxd5 Nxf2 32. Kxf2 Rxa2+ 33. Rd2 Rxd2+ 34. Nxd2 Kf7 35. Rc6 f5 36. Nc4 e4 37. Nd6+ Kf6 38. Bc3+ Kg5 39. Nxe4+ fxe4 40. Rxe6 Kf5 41. Re5+ Kf4 42. g3+ Kg4 43. Rxe4+ Kf5 44. Rf4+ Kg6 45. Rc4 Kf5 46. Bxg7 Kg6 47. Rg4+ Kf5 48. Kf3 h5 49. Ra4 Kg6 50. Bd4 Kg5 51. Ra6 h4 52. gxh4+ Kh5 53. Kf4 Kxh4 54. Rh6# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 95 moves | 1. Nf3 d5 2. c4 c6 3. Na3 e6 4. e3 Nf6 5. Nc2 Bd6 6. d4 b6 7. Bd3 dxc4 8. Bxc4 Ba6 9. Bxa6 Nxa6 10. e4 Be7 11. Qe2 Nb4 12. Bg5 Nxc2+ 13. Qxc2 Bb4+ 14. Kf1 Qd7 15. Ne5 Kd8 16. Nxd7 Kxd7 17. a3 Be7 18. Rc1 Rac8 19. Qa4 a5 20. f3 h6 21. Bf4 Nh5 22. Be3 Nf6 23. Ke2 g5 24. Qb3 Rb8 25. Bf2 Rhc8 26. Bg3 Rb7 27. Be5 h5 28. Qa4 g4 29. h3 gxf3+ 30. gxf3 Ne8 31. Rhg1 f6 32. Bf4 f5 33. Rg6 fxe4 34. fxe4 Nf6 35. Kd3 Ra7 36. Qb3 Ra6 37. Rg7 Ne8 38. Rh7 Nf6 39. Rf7 Rf8 40. Rxe7+ Kxe7 41. Rxc6 Nd5 42. Bg5+ Kd7 43. exd5 Rf3+ 44. Be3 Rxh3 45. Qb5 e5 46. Re6+ Kc7 47. Re7+ Kb8 48. Qe8# |
| 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. Na3 e6 4. e3 Nf6 5. Nc2 Bd6 6. d4 b6 7. Bd3 dxc4 8. Bxc4 Ba6 9. Bxa6 Nxa6 10. e4 Rg8 11. e5 Bf8 12. exf6 gxf6 13. O-O Rg6 14. Bf4 Bd6 15. Bxd6 Qxd6 16. Re1 Rd8 17. Ne3 Nb4 18. Rc1 Nd5 19. Qa4 Nxe3 20. fxe3 Qd5 21. Qxc6+ Qxc6 22. Rxc6 h5 23. e4 Rd7 24. Rc8+ Rd8 25. Rc7 Rd7 26. Rc6 Rg4 27. Kf2 h4 28. Rc8+ Ke7 29. d5 a5 30. Nd4 Rg5 31. Rc6 f5 32. Nf3 Rh5 33. dxe6 Rb7 34. exf7 Kxf7 35. exf5 Rxf5 36. Rh6 Kf8 37. Rh8+ Kg7 38. Rxh4 Rd7 39. Kg3 Rf6 40. Nd4 Kg6 41. Re5 Rdf7 42. Ne6 Rf5 43. Nf4+ Kg7 44. Rg4+ Kh7 45. Re6 b5 46. Rh4+ Kg8 47. Re8+ Rf8 48. Re4 Kf7 49. Rh7+ Kg8 50. Ra7 b4 51. h4 R8f7 52. Ra8+ Kh7 53. Kg4 Rb5 54. g3 Rg7+ 55. Kh3 Rf5 56. g4 Rb5 57. Ne6 Rg8 58. Ra7+ Kh8 59. Ng5 Rbxg5 60. hxg5 Rxg5 61. Kh4 Rg7 62. Rxa5 Rb7 63. Kg5 Kg8 64. Rf5 Ra7 65. Kg6 Rc7 66. Re8# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 93 moves | 1. Nf3 d5 2. c4 c6 3. Na3 e6 4. e3 Nf6 5. Nc2 Nbd7 6. d4 Ne4 7. Bd3 Qa5+ 8. Bd2 Nxd2 9. Nxd2 e5 10. cxd5 cxd5 11. dxe5 Nxe5 12. Qe2 Bg4 13. f3 Bd7 14. O-O Bd6 15. Nd4 Nxd3 16. Qxd3 O-O 17. g3 Bh3 18. Rfc1 Rac8 19. a3 Be5 20. b4 Qb6 21. Rab1 g6 22. Kh1 Rfe8 23. Rxc8 Rxc8 24. Rg1 Qf6 25. Ne2 Qd6 26. Nd4 a6 27. b5 axb5 28. Nxb5 Qc5 29. g4 b6 30. a4 h6 31. f4 Bd6 32. Nxd6 Qxd6 33. Qd4 Qe6 34. f5 Bf1 35. fxe6 Ba6 36. exf7+ Kxf7 37. Qxd5+ Ke7 38. Rb1 Rd8 39. Qe5+ Kd7 40. Qg7+ Ke8 41. Qxg6+ Ke7 42. Ne4 Rf8 43. Rxb6 Rf1+ 44. Kg2 Bc4 45. Rb7+ Kd8 46. Qd6+ Ke8 47. Qe7# |
| 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. Na3 e6 4. e3 Nf6 5. Nc2 Bd6 6. d4 b6 7. Bd3 dxc4 8. Bxc4 Ba6 9. Bxa6 Nxa6 10. e4 Nd7 11. Bd2 O-O 12. O-O f6 13. g3 c5 14. Qe2 Nc7 15. Rac1 Rc8 16. Rfd1 cxd4 17. Ncxd4 a6 18. Rxc7 Qxc7 19. Nxe6 Qc6 20. Nxf8 Rxf8 21. Nd4 Bf4 22. Nxc6 h5 23. Qxh5 Bd6 24. Qd5+ Rf7 25. Qxd6 Nc5 26. Qd8+ Rf8 27. Qxb6 Nxe4 28. Be3 Kf7 29. Qb7+ Kg6 30. Ne7+ Kf7 31. Nf5+ Kg6 32. Qxg7+ Kh5 33. g4# |