| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 123 moves | 1. Nf3 d5 2. c4 c6 3. g3 dxc4 4. Bg2 Nd7 5. Qc2 e5 6. Qxc4 Bd6 7. d3 Nb6 8. Qe4 Nf6 9. Qh4 Nbd5 10. O-O Bg4 11. Nbd2 O-O 12. Re1 Bxf3 13. Nxf3 Bb4 14. Rd1 Qd6 15. e4 Nc7 16. d4 Rae8 17. Nxe5 c5 18. Be3 cxd4 19. Rxd4 Qxe5 20. Rxb4 b6 21. Bd4 Qe7 22. Rc4 Nb5 23. Bxf6 Qxf6 24. Qxf6 gxf6 25. Rd1 Rd8 26. Rd5 Rxd5 27. exd5 h6 28. a4 Nd6 29. Rc7 Ra8 30. Rd7 Nf5 31. Be4 Nd4 32. d6 Re8 33. Bd5 Re5 34. Bxf7+ Kf8 35. Rxa7 Re2 36. b3 Rb2 37. d7 Ke7 38. Rb7 Nf5 39. Rxb6 Kxd7 40. Rxf6 Nd4 41. Rxh6 Ke7 42. Bd5 Nxb3 43. Re6+ Kd7 44. Rb6 Rb1+ 45. Kg2 Nd2 46. a5 Kc7 47. Rxb1 Nxb1 48. a6 Kb6 49. Bb7 Na3 50. h4 Nc2 51. h5 Ne1+ 52. Kh3 Kb5 53. a7 Kc4 54. a8=Q Nd3 55. Ba6+ Kd4 56. Bxd3 Kxd3 57. h6 Ke2 58. Qe4+ Kxf2 59. h7 Kf1 60. h8=R Kf2 61. Re8 Kf1 62. Qe1# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z in 133 moves | 1. Nf3 d5 2. c4 c6 3. g3 dxc4 4. Nc3 b5 5. Bg2 b4 6. Na4 Qd5 7. a3 b3 8. Nc3 Qc5 9. h3 Nf6 10. d4 cxd3 11. Qxb3 dxe2 12. Be3 Qh5 13. Nxe2 Qd5 14. Qa4 Nbd7 15. Rd1 Qe4 16. Qxe4 Nxe4 17. Nfd4 Ndf6 18. Nxc6 Ba6 19. Rg1 Rc8 20. Rc1 g6 21. Bxa7 Bh6 22. Be3 Bxe3 23. fxe3 e6 24. Bf3 Ng5 25. Bg2 Nge4 26. Nb4 Rxc1+ 27. Nxc1 Bb5 28. Bf1 Bxf1 29. Rxf1 Nh5 30. g4 Nhg3 31. Rg1 f5 32. Ne2 Nxe2 33. Kxe2 Ke7 34. Rd1 Rc8 35. Kf3 e5 36. gxf5 gxf5 37. h4 Ke6 38. b3 Rc3 39. Rd3 Rxd3 40. Nxd3 Nd2+ 41. Ke2 Nxb3 42. Kd1 Kd5 43. Kc2 Na5 44. Kc3 Ke4 45. a4 h5 46. Kd2 Nc4+ 47. Kc3 Nb6 48. a5 Nd5+ 49. Kc4 Ne7 50. a6 Nc8 51. Kc3 Na7 52. Kc4 Nc8 53. Nb4 Kxe3 54. Nd5+ Ke4 55. Nf6+ Kf3 56. Nxh5 Nb6+ 57. Kc5 Nc8 58. Ng7 Ke4 59. h5 f4 60. h6 f3 61. h7 f2 62. Nh5 Ke3 63. Ng3 Kf4 64. Nf1 Ne7 65. h8=Q Nc6 66. Kxc6 Kf3 67. Qh5+ |
| 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. g3 dxc4 4. Nc3 b5 5. Bg2 b4 6. Na4 Qd5 7. a3 e5 8. axb4 Nd7 9. Nc3 Qe6 10. Qa4 Be7 11. O-O Nb6 12. Qa2 Bf6 13. Ne4 Ne7 14. Qa5 Ned5 15. Nxf6+ gxf6 16. e4 Ne7 17. Re1 Rg8 18. Ra3 Bb7 19. Rc3 Qg4 20. Qa3 Rg6 21. h3 Qd7 22. d3 cxd3 23. Rxd3 Qe6 24. b3 Nd7 25. Be3 Bc8 26. Bxa7 h6 27. Red1 Ng8 28. Nh4 f5 29. exf5 Nc5 30. fxe6 Nxd3 31. Bxc6+ Ke7 32. Nxg6+ fxg6 33. Bxa8 Bxe6 34. Rxd3 Bxh3 35. Qa6 Bf5 36. Qd6+ Kf7 37. Bd5+ Kg7 38. Qxe5+ Kh7 39. Bd4 Nf6 40. Qxf6 Bd7 41. Qe7# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z in 117 moves | 1. Nf3 d5 2. c4 c6 3. g3 dxc4 4. Bg2 Nd7 5. Qc2 e5 6. Qxc4 Bd6 7. d3 Nb6 8. Qc2 Bg4 9. Nc3 Nd5 10. Bg5 f6 11. Bd2 Nge7 12. Nxd5 Nxd5 13. e4 Ne7 14. Rc1 Qb6 15. a4 O-O-O 16. a5 Qa6 17. h3 Bh5 18. O-O Kb8 19. Qc4 Qxc4 20. dxc4 Bc5 21. Rfd1 Rd3 22. g4 Bf7 23. b4 Bd4 24. Nxd4 Rxd4 25. Be3 Rxd1+ 26. Rxd1 Rc8 27. Rd7 Re8 28. Bc5 Bxc4 29. Rxe7 Rxe7 30. Bxe7 Kc7 31. Bf8 g6 32. Bg7 Kd6 33. Bxf6 Ke6 34. Bg7 h5 35. f3 Bd3 36. Kf2 b6 37. Ke3 Bc4 38. gxh5 gxh5 39. f4 exf4+ 40. Kxf4 Bb3 41. Bf3 h4 42. axb6 axb6 43. Bg4+ Kf7 44. Bd4 c5 45. bxc5 bxc5 46. Bxc5 Be6 47. Bxe6+ Kxe6 48. Bf2 Kf7 49. Kf5 Kg7 50. e5 Kf8 51. e6 Ke8 52. Bxh4 Kf8 53. e7+ Kf7 54. Ke5 Ke8 55. Kf6 Kd7 56. Kf7 Kd6 57. e8=Q Kd5 58. Qe6+ Kd4 59. Qd7+ |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z in 99 moves | 1. Nf3 d5 2. c4 c6 3. g3 dxc4 4. Nc3 b5 5. Bg2 b4 6. Na4 Qd5 7. a3 b3 8. Nc3 Qd6 9. Ne4 Qc7 10. d4 cxd3 11. Qxd3 Bf5 12. Nfd2 e5 13. Nxb3 Bxe4 14. Bxe4 Nf6 15. Bf5 g6 16. Bh3 Be7 17. Bh6 a5 18. e4 a4 19. Nd2 Qb6 20. Qc2 Qd4 21. O-O Nfd7 22. Bxd7+ Nxd7 23. Qxc6 Rd8 24. Nc4 Bc5 25. Qxa4 Ke7 26. Rae1 f6 27. Qc2 Nb6 28. Ne3 Qd6 29. Rd1 Bd4 30. Rfe1 Nd7 31. Qc4 Qe6 32. Nd5+ Kf7 33. b3 Rc8 34. Qb4 Rc2 35. Rd2 Rxd2 36. Bxd2 Rb8 37. Qc4 Rb7 38. Bb4 Kg7 39. Qc8 Rb8 40. Qc4 Rb7 41. Re2 Rb8 42. Rd2 Qg4 43. Nc7 Rb6 44. Ne8+ Kh6 45. Qg8 Qh3 46. Rxd4 Qf5 47. Bd2+ Kh5 48. Qxh7+ Kg4 49. exf5+ exd4 50. Qh4+ |
| 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. g3 dxc4 4. Bg2 Nd7 5. Qc2 e5 6. Qxc4 Bd6 7. d3 h6 8. Nc3 Nb6 9. Qe4 Nf6 10. Qe3 Nbd5 11. Nxd5 Nxd5 12. Qe4 f5 13. Qa4 O-O 14. O-O Be6 15. Bd2 a5 16. Qc2 Kh8 17. b3 f4 18. Nh4 Rf6 19. Bxd5 cxd5 20. gxf4 Rc8 21. Qb2 exf4 22. Kh1 b5 23. Rg1 Qb6 24. d4 g5 25. Nf3 Bf5 26. Rac1 Rxc1 27. Qxc1 b4 28. Qd1 g4 29. Nh4 Qxd4 30. Nxf5 f3 31. Nxd4 h5 32. Be3 fxe2 33. Qxe2 Bc5 34. Qb5 Ra6 35. Qxa6 Bxd4 36. Bxd4+ Kh7 37. Qf6 g3 38. Qg7# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 77 moves | 1. Nf3 d5 2. c4 c6 3. g3 dxc4 4. Bg2 Nd7 5. Qc2 e5 6. Qxc4 Bd6 7. d3 Nb6 8. Qc2 Bg4 9. Nc3 Bxf3 10. Bxf3 h6 11. O-O Nf6 12. Bd2 O-O 13. Rac1 Nbd5 14. Nxd5 cxd5 15. e4 d4 16. Qb3 Qd7 17. a3 Rac8 18. Rfe1 b6 19. Rxc8 Rxc8 20. Kh1 Qh3 21. Bg2 Qh5 22. f3 g6 23. Kg1 Rc7 24. Rd1 Bf8 25. Qa4 Be7 26. Rc1 Qxf3 27. Bxf3 Rxc1+ 28. Bxc1 g5 29. Qxa7 Bf8 30. Qxb6 Nd7 31. Qc7 g4 32. Bxg4 Nf6 33. Bf3 Bg7 34. Qxe5 Nd7 35. Qe8+ Nf8 36. Bd2 Kh7 37. Qxf7 Nd7 38. Bxh6 Nc5 39. Qxg7# |
| 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. g3 dxc4 4. Nc3 b5 5. Bg2 b4 6. Na4 Qd5 7. a3 e5 8. axb4 Nd7 9. Nc3 Qd6 10. b5 Ngf6 11. Ng5 Nb8 12. O-O Be7 13. b3 Ng4 14. Nh3 cxb3 15. Qxb3 Be6 16. Qa3 Qd4 17. Qa4 Nf6 18. bxc6 Nd5 19. Nxd5 Bxh3 20. Qxd4 exd4 21. Bxh3 Bd6 22. Nb6 axb6 23. Rxa8 O-O 24. Bg2 Re8 25. e3 d3 26. Ba3 Bxa3 27. Rxa3 Nd7 28. cxd7 Kf8 29. dxe8=Q+ Kxe8 30. Rxd3 Ke7 31. Rb3 b5 32. Rc1 g5 33. Rxb5 g4 34. Rc7+ Ke6 35. Rb6+ Ke5 36. Rc5# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 83 moves | 1. Nf3 d5 2. c4 c6 3. g3 dxc4 4. Nc3 b5 5. Bg2 b4 6. Na4 Qd5 7. a3 e5 8. axb4 Nd7 9. Nc3 Qd6 10. b5 Be7 11. bxc6 Nc5 12. c7 Bb7 13. c8=Q+ Rxc8 14. O-O a6 15. Bh3 Rd8 16. Ra5 Nb3 17. Ra4 Nxc1 18. Qxc1 e4 19. Ne1 Qxd2 20. Qxd2 Rxd2 21. Rxc4 Rxb2 22. Nxe4 Rxe2 23. Nc3 Rb2 24. Nd3 Rd2 25. Rb1 Re2 26. Nxe2 Bf3 27. Rb8+ Bd8 28. Rd4 f5 29. Rbxd8+ Ke7 30. R4d7+ Kf6 31. Rf8+ Kg5 32. Rxf5+ Kh6 33. Rd6+ Nf6 34. Rxf3 a5 35. Nd4 Rg8 36. Ra6 Rb8 37. Nf5+ Kg6 38. Ne5+ Kg5 39. Nxg7 Rb4 40. Rf5+ Kh6 41. Rfxf6+ Kg5 42. Rf5# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z in 131 moves | 1. Nf3 d5 2. c4 c6 3. g3 dxc4 4. Bg2 Nd7 5. Qc2 e5 6. Qxc4 Bd6 7. d3 Nb6 8. Qh4 Qxh4 9. Nxh4 Bg4 10. h3 Be6 11. Nc3 Nf6 12. O-O h6 13. Bd2 Rd8 14. Rac1 O-O 15. Nf3 Nbd5 16. Rfd1 Kh8 17. a3 Nxc3 18. Bxc3 Bb3 19. Re1 Rfe8 20. e4 Rd7 21. d4 exd4 22. Nxd4 Ba4 23. Nf5 Be5 24. Bxe5 Rxe5 25. Rc4 Bb3 26. Rd4 Rxd4 27. Nxd4 Bc4 28. f4 Re8 29. e5 Nd5 30. Kf2 Rd8 31. Rd1 Ne7 32. Bf3 c5 33. b3 cxd4 34. bxc4 a5 35. Rb1 Rd7 36. Bxb7 Rc7 37. Be4 g6 38. Rb7 Rxb7 39. Bxb7 Kg7 40. c5 Kf8 41. Kf3 Ke8 42. Ke4 Kd7 43. Kxd4 Nf5+ 44. Kd5 Nxg3 45. c6+ Kc7 46. Kd4 g5 47. Ke3 Nh5 48. fxg5 hxg5 49. Ke4 Ng7 50. Kd5 Ne6 51. Kc4 Nd8 52. Kb5 Nxb7 53. cxb7 Kxb7 54. a4 Kc7 55. Kxa5 Kc6 56. Kb4 Kd5 57. a5 Kc6 58. Kc4 Kc7 59. Kb5 Kb7 60. a6+ Ka8 61. Kb6 Kb8 62. a7+ Kc8 63. a8=Q+ Kd7 64. Qb7+ Ke6 65. Qf3 Kxe5 66. Qg3+ |
| 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. g3 dxc4 4. Nc3 b5 5. Bg2 b4 6. Na4 Qd5 7. a3 b3 8. Nc3 Qd6 9. Ne4 Qc7 10. d4 cxd3 11. Qxd3 Bf5 12. Nfd2 e5 13. Nxb3 Qd7 14. Qc3 Qe6 15. Nbc5 Bxc5 16. Nxc5 Qd6 17. Bg5 Qd4 18. Qxd4 exd4 19. Rd1 h6 20. Bf4 Ne7 21. Rxd4 Nd7 22. Nxd7 Bxd7 23. b4 a5 24. b5 c5 25. Rd6 Rd8 26. a4 c4 27. Be5 Nf5 28. Ra6 Rf8 29. Bc7 Rc8 30. b6 Ke7 31. Rxa5 Nd4 32. Bb7 Rce8 33. Re5+ Kf6 34. Be4 Rxe5 35. Bxe5+ Kxe5 36. e3 Bxa4 37. f3 Nc2+ 38. Ke2 f5 39. Bxc2 Bxc2 40. Kd2 Bd3 41. Ra1 Rd8 42. Ra5+ Ke6 43. Ra7 Bf1+ 44. Kc2 g5 45. b7 Rd6 46. b8=Q Bd3+ 47. Kc3 h5 48. Qe8+ Kf6 49. Qe7+ Kg6 50. Qxd6# |
| 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. g3 dxc4 4. Bg2 Nd7 5. Qc2 e5 6. Qxc4 Bd6 7. d3 h6 8. Nc3 Nb6 9. Qe4 Nf6 10. Qe3 Nbd5 11. Nxd5 Nxd5 12. Qe4 f5 13. Qa4 O-O 14. O-O b5 15. Qc2 Qb6 16. Bd2 a5 17. Rac1 Bd7 18. e3 Rad8 19. d4 e4 20. Nh4 Rfe8 21. f3 Bb4 22. fxe4 fxe4 23. Ng6 Bxd2 24. Qxd2 Re6 25. Ne5 Nxe3 26. Qxe3 Rxe5 27. Rc5 Re7 28. Bxe4 Rde8 29. Rf4 g5 30. Rf6 Qxc5 31. dxc5 Rxe4 32. Qd3 Rc4 33. Qg6+ Kh8 34. Qxh6+ Kg8 35. Qxg5+ Kh8 36. Rh6# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 109 moves | 1. Nf3 d5 2. c4 c6 3. g3 dxc4 4. Nc3 b5 5. Bg2 b4 6. Na4 Qd5 7. a3 b3 8. Nc3 Qd6 9. Ne4 Qc7 10. d4 cxd3 11. Qxd3 Qa5+ 12. Nfd2 f5 13. Ng5 f4 14. gxf4 Qf5 15. Qc4 Bd7 16. Be4 Qf6 17. Bxh7 e6 18. Qxb3 Bc8 19. e3 a5 20. Nde4 Qh6 21. Bxg8 Rxg8 22. Qd1 Ba6 23. Nd6+ Bxd6 24. Qxd6 Bc4 25. b3 Qf6 26. Rb1 Qc3+ 27. Qd2 Qd3 28. Rb2 Qxd2+ 29. Bxd2 Bd3 30. Nxe6 Kf7 31. Nc5 Rd8 32. Rg1 Rd5 33. Nxd3 Rxd3 34. Ke2 Rd7 35. f5 Rd6 36. e4 Rd4 37. Ke3 Rd8 38. Bc3 Rg8 39. Rg6 Ra6 40. e5 Rb6 41. Bxa5 Rb5 42. Bc3 Rd8 43. f4 Rbd5 44. Ke4 Kg8 45. e6 Na6 46. Rxg7+ Kf8 47. e7+ Ke8 48. exd8=R+ Kxd8 49. b4 Ke8 50. f6 Rd6 51. f7+ Kf8 52. Rc2 Re6+ 53. Kf5 Nxb4 54. Kxe6 c5 55. Rg8# |
| 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. g4 Bxg4 4. Ne5 Bf5 5. e3 f6 6. Nf3 dxc4 7. Bxc4 b5 8. Bb3 e5 9. d4 Nd7 10. Nc3 Bb4 11. Rg1 Bxc3+ 12. bxc3 g6 13. Ba3 Nh6 14. dxe5 Nxe5 15. Nxe5 Qxd1+ 16. Rxd1 fxe5 17. Rd6 Rd8 18. Rxc6 Ng4 19. Rg2 h5 20. Rc7 Rd7 21. Rxd7 Kxd7 22. h3 Nf6 23. f3 a5 24. e4 Rf8 25. Bxf8 a4 26. exf5 axb3 27. fxg6 e4 28. fxe4 bxa2 29. Rxa2 Nxe4 30. Ra7+ Ke8 31. g7 Nf6 32. Re7+ Kd8 33. Re5 Kd7 34. Rf5 Ng8 35. Rxb5 h4 36. Re5 Kc7 37. Be7 Kd7 38. Bg5 Kc6 39. Re8 Kd7 40. Rxg8 Kc6 41. Rc8+ Kd6 42. Bxh4 Ke6 43. Re8+ Kd6 44. g8=Q Kc6 45. Qc4+ Kd7 46. Rd8# |
| 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. g4 Bxg4 4. Ne5 Bf5 5. e3 f6 6. Nf3 dxc4 7. Bxc4 b5 8. Bb3 e5 9. d4 exd4 10. Nxd4 Be4 11. Rg1 g6 12. Nc3 Qa5 13. f3 Bd5 14. Bxd5 cxd5 15. Nxb5 a6 16. Nd4 Bb4 17. Bd2 Nd7 18. a3 Bxc3 19. Bxc3 Qc7 20. Qe2 Kf7 21. O-O-O Qc4 22. Qc2 Re8 23. b3 Qc7 24. Rde1 Ne5 25. Kb1 Rc8 26. Rc1 Nh6 27. Ka2 Rhe8 28. Qe2 Qd6 29. Rc2 f5 30. Bb4 Qb6 31. Rxc8 Rxc8 32. h3 a5 33. Bd2 a4 34. Bb4 axb3+ 35. Nxb3 Nc6 36. Bc5 Qb7 37. Qd2 Rd8 38. e4 Ng8 39. exf5 gxf5 40. Qg5 Qxb3+ 41. Kxb3 Rb8+ 42. Ka2 Ke6 43. Re1+ Ne5 44. f4 Kd7 45. Qxf5+ Kc6 46. Qxe5 Rd8 47. Rc1 Ne7 48. Bf2+ Kb5 49. Qb2+ Ka5 50. Qb4+ Ka6 51. Qb6# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z in 61 moves | 1. Nf3 d5 2. c4 c6 3. g4 Bxg4 4. Ne5 Bf5 5. e3 f6 6. Nf3 dxc4 7. Bxc4 b5 8. Bb3 Bxb1 9. Rxb1 Qd3 10. Bc2 Qd5 11. Bb3 Qf5 12. Bc2 Qh3 13. d4 Nd7 14. Rg1 e5 15. Be4 Ne7 16. dxe5 fxe5 17. Qd6 Rd8 18. b4 Qh6 19. Qxh6 gxh6 20. Bb2 Ng6 21. Bc3 Kf7 22. Bxc6 Rc8 23. Bxd7 Rxc3 24. Bxb5 Kf6 25. Nd2 Rc2 26. a3 Ke6 27. Bd3 Rc3 28. Bxg6 hxg6 29. Rxg6+ Kd5 30. Rd1 Rxa3 31. e4+ |
| 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. g4 Bxg4 4. Ne5 Bf5 5. e3 f6 6. Nf3 dxc4 7. Bxc4 Bd3 8. Be6 Qa5 9. Nc3 Nh6 10. Qb3 b5 11. Nd4 g6 12. Nxc6 Nxc6 13. Qd5 Qc7 14. Qxd3 a6 15. Qe4 f5 16. Qg2 Qd6 17. Qd5 Rd8 18. a3 Ne5 19. d4 Nd3+ 20. Ke2 Qc7 21. Qb3 Nxc1+ 22. Raxc1 Qa5 23. Nd5 Bg7 24. Rhd1 Bf6 25. Qc2 Bg5 26. Qc7 Rf8 27. Qc6+ Rd7 28. Qxd7# |
| 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. g4 Bxg4 4. Ne5 Bf5 5. e3 f6 6. Nf3 dxc4 7. Bxc4 b5 8. Bb3 Bd3 9. Be6 Nd7 10. Nd4 Ne5 11. f4 c5 12. fxe5 cxd4 13. a4 Nh6 14. exf6 exf6 15. axb5 dxe3 16. dxe3 Bb4+ 17. Nc3 Ke7 18. Qb3 Rc8 19. Bxc8 Bxc3+ 20. Qxc3 Qxc8 21. Qxd3 Qc5 22. Qe4+ Kf7 23. Qb7+ Kg8 24. Qb8+ Qf8 25. Qxf8+ Kxf8 26. Rxa7 g6 27. Ra8+ Kg7 28. Rxh8 Nf7 29. b6 Nxh8 30. b7 f5 31. b4 Nf7 32. Bb2+ Kf8 33. b8=Q+ Ke7 34. Rg1 Nd6 35. Qc7+ Ke6 36. Qxh7 g5 37. Rxg5 Kd5 38. Qd7 Ke4 39. Qxd6 f4 40. Qd5+ Kxe3 41. Re5# |
| ECO A09 in 2007 play it! ziegler m defeats black's ziegler z by checkmate in 27 moves | 1. Nf3 d5 2. c4 c6 3. g4 Bxg4 4. Ne5 Bf5 5. e3 f6 6. Nf3 dxc4 7. Bxc4 Bd3 8. Be6 Qd6 9. Qb3 Qd4 10. Nxd4 c5 11. Qxb7 Ba6 12. Qxa8 Bc8 13. Qxb8 Nh6 14. Qxc8# |
| 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. g4 Bxg4 4. Ne5 Bf5 5. e3 f6 6. Nf3 dxc4 7. Bxc4 b5 8. Bb3 Bd3 9. Be6 Qd6 10. Nd4 Bxb1 11. Rxb1 g6 12. Qf3 b4 13. d3 f5 14. Qg2 Nf6 15. b3 Nfd7 16. O-O Nc5 17. Bc4 e5 18. Bb2 exd4 19. Bxd4 Nxd3 20. Bxh8 Ne5 21. Rbd1 Qe7 22. Bxe5 Qxe5 23. Bg8 Qg7 24. Be6 Qe7 25. Bc8 Qc7 26. Be6 Qe7 27. Bc4 Qe5 28. Qh3 Qc7 29. e4 Be7 30. Qxh7 Nd7 31. Qxg6+ Kd8 32. Qg8+ Bf8 33. Qxf8# |