| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 55 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Nc6 4. g3 f6 5. Bg2 Bg4 6. Nxd4 Qxd4 7. Bxc6+ Bd7 8. Bxd7+ Qxd7 9. Qxd7+ Kxd7 10. d4 Re8 11. Nc3 g5 12. f4 h6 13. Ne4 gxf4 14. Nc5+ Kc8 15. Ne6 fxg3 16. hxg3 c5 17. d5 Rh7 18. a3 b6 19. b4 cxb4 20. axb4 Kb7 21. c5 bxc5 22. bxc5 Rc8 23. c6+ Ka8 24. Be3 a5 25. Rxa5+ Kb8 26. Bf4+ Rc7 27. Bxc7+ Kc8 28. Ra8# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j in 135 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Nc6 4. g3 f6 5. Bg2 Bg4 6. Nxd4 Qxd4 7. Bxc6+ Bd7 8. Bxd7+ Qxd7 9. Qxd7+ Kxd7 10. d4 e5 11. dxe5 fxe5 12. Nc3 Nf6 13. Bd2 Kc8 14. O-O-O Bc5 15. f4 Re8 16. fxe5 Rxe5 17. Bf4 Re6 18. Rhe1 Bb4 19. Rd3 b6 20. a3 Bxc3 21. Rxc3 g5 22. Bd2 Ne4 23. Rf3 Kb7 24. b3 Rh6 25. Rh1 Rd8 26. Be1 Rhd6 27. Kc2 h6 28. Rf7 Re6 29. e3 Nc5 30. Bb4 Rxe3 31. Re1 Rxe1 32. Bxe1 a5 33. Re7 Kc6 34. Bf2 Nd3 35. Bg1 Rd6 36. h3 h5 37. Kc3 Nc1 38. Kb2 Nd3+ 39. Kc2 Kb7 40. Re3 Nc5 41. Re5 Ne6 42. Be3 a4 43. bxa4 h4 44. gxh4 gxh4 45. Kc3 Nf8 46. a5 Re6 47. Rxe6 Nxe6 48. axb6 cxb6 49. Kd3 Kc6 50. Kc2 Nc5 51. Bg5 Ne6 52. Bxh4 Nf4 53. Bg5 Nxh3 54. Be3 b5 55. c5 Kd7 56. Kc3 Kc7 57. Kb4 Kc6 58. Ka5 Kc7 59. Kxb5 Kb7 60. a4 Kb8 61. c6 Nf4 62. Bxf4+ Kc8 63. c7 Kd7 64. a5 Ke6 65. c8=Q+ Ke7 66. Qf5 Ke8 67. a6 Ke7 68. Qe5+ |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 117 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Nc6 4. g3 f6 5. Bg2 Bg4 6. Nxd4 Qxd4 7. Bxc6+ Bd7 8. Bxd7+ Qxd7 9. Qxd7+ Kxd7 10. d4 Re8 11. O-O e5 12. dxe5 Rxe5 13. Nc3 Bb4 14. Rd1+ Kc8 15. Nd5 Bd6 16. Kf1 Rh5 17. h4 Ne7 18. Nc3 Bb4 19. Bd2 Rd8 20. a3 Bc5 21. e3 a6 22. Ne4 Bb6 23. Bc3 Re8 24. Rd3 Nc6 25. Nd2 Ne5 26. Bxe5 fxe5 27. Ne4 Rd8 28. Rxd8+ Kxd8 29. Rd1+ Ke7 30. Ke2 g6 31. f3 Ba7 32. b4 h6 33. c5 Rf5 34. Rd5 Rh5 35. c6 bxc6 36. Ra5 Bb6 37. Rxa6 Ke6 38. a4 Rf5 39. a5 Rf7 40. axb6 cxb6 41. b5 Ke7 42. bxc6 Rf8 43. Rxb6 Ra8 44. Rb7+ Ke6 45. Rg7 Rf8 46. Rxg6+ Ke7 47. Rxh6 Rb8 48. c7 Rc8 49. h5 Rxc7 50. Rh7+ Kd8 51. Rxc7 Kxc7 52. h6 Kc6 53. h7 Kb6 54. h8=Q Kc7 55. Qe8 Kb7 56. Qxe5 Kc8 57. Qe7 Kb8 58. Nd6 Ka8 59. Qb7# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 125 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Nc6 4. g3 f6 5. Bg2 Bg4 6. Nxd4 Qxd4 7. Bxc6+ Bd7 8. Bxd7+ Qxd7 9. Qxd7+ Kxd7 10. d4 e5 11. dxe5 fxe5 12. Nc3 Nf6 13. Bg5 h6 14. Bxf6 gxf6 15. O-O-O+ Kc6 16. Nd5 f5 17. Ne3 f4 18. Nd5 Re8 19. b4 a5 20. b5+ Kc5 21. Nxc7 Re7 22. Nd5 Rf7 23. gxf4 Kxc4 24. f5 Kxb5 25. f6 Bc5 26. f3 Kc6 27. e4 b5 28. Kc2 Rhf8 29. Rd2 Rxf6 30. Nxf6 Rxf6 31. Rf1 Bd4 32. Kd3 b4 33. Rc2+ Bc5 34. Ke2 Rg6 35. Rfc1 Rg2+ 36. Kd3 Rxc2 37. Rxc2 h5 38. Rg2 Be7 39. Kc4 Kd7 40. Rg6 Bd6 41. Kd5 Bc7 42. Rg7+ Kc8 43. Rh7 h4 44. Kc6 Bd8 45. Kd6 a4 46. Ra7 b3 47. Rxa4 bxa2 48. Rxa2 Bc7+ 49. Kc6 Kb8 50. Rb2+ Kc8 51. Rg2 Kd8 52. Rg8+ Ke7 53. Kxc7 Ke6 54. Re8+ Kf7 55. Rxe5 Kg6 56. Kd7 Kf7 57. Rb5 Kf6 58. e5+ Kg5 59. e6+ Kf6 60. e7 h3 61. e8=Q Kg7 62. Rg5+ Kh7 63. Qh5# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 119 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Nc6 4. g3 f6 5. Bg2 Bg4 6. Nxd4 Qxd4 7. Bxc6+ Bd7 8. Bxd7+ Qxd7 9. Qxd7+ Kxd7 10. d4 e5 11. dxe5 fxe5 12. Nc3 Nf6 13. f3 Bb4 14. Bd2 Rad8 15. a3 Be7 16. e4 Bc5 17. O-O-O Kc8 18. Kc2 Rhe8 19. Ne2 Rd6 20. Bc3 Kb8 21. a4 Be3 22. Rxd6 cxd6 23. Rd1 Kc7 24. Rd3 Bc5 25. h4 b6 26. a5 Ra8 27. Be1 bxa5 28. Bxa5+ Kc6 29. b3 Rb8 30. Kc3 Bb6 31. Bb4 Bc5 32. Bxc5 Kxc5 33. Rd2 a5 34. Nc1 Kc6 35. Ra2 Rf8 36. Rxa5 Ne8 37. g4 Rxf3+ 38. Kb4 Rf4 39. Ra8 Nc7 40. Rh8 Rxe4 41. Rxh7 Rxg4 42. Ne2 Nd5+ 43. Ka3 Nf6 44. Rh8 d5 45. cxd5+ Kxd5 46. Nc3+ Kd4 47. Nb5+ Kc5 48. Nc3 e4 49. b4+ Kc4 50. Rc8+ Kd3 51. b5 e3 52. b6 Rd4 53. b7 Ne4 54. Nxe4 Kxe4 55. b8=Q g6 56. Qg3 Rb4 57. Kxb4 e2 58. Kc5 g5 59. Re8+ Kf5 60. Qxg5# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 125 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Nc6 4. g3 f6 5. Bg2 Bg4 6. Nxd4 Qxd4 7. Bxc6+ Bd7 8. Bxd7+ Qxd7 9. Qxd7+ Kxd7 10. d4 e6 11. Nc3 Ne7 12. O-O Nc6 13. Rd1 Rd8 14. d5 exd5 15. Nxd5 Kc8 16. Bf4 Ne5 17. b3 c6 18. Nc3 Bd6 19. Ne4 Bc7 20. Kg2 Rhe8 21. f3 Nf7 22. Bxc7 Kxc7 23. Kf2 Ne5 24. h3 h6 25. Nc3 Rxd1 26. Rxd1 f5 27. e4 fxe4 28. Nxe4 b6 29. Ke3 Nd7 30. Kd4 Ne5 31. Rf1 c5+ 32. Ke3 Nc6 33. f4 Nd4 34. f5 h5 35. f6 gxf6 36. Rxf6 Re7 37. Kd3 Rd7 38. Nc3 Rg7 39. g4 hxg4 40. Nd5+ Kb7 41. hxg4 Nc6 42. Rf4 Ne5+ 43. Ke4 Nxg4 44. Kf5 Nh6+ 45. Ke4 Ng4 46. Rf1 Kc6 47. Rf8 Rd7 48. a3 Rg7 49. b4 Rd7 50. Rf4 Rg7 51. Rf5 cxb4 52. axb4 a5 53. bxa5 bxa5 54. Kd3 Kd6 55. Kd4 Kc6 56. Rf3 Nh2 57. Rf6+ Kb7 58. Kc5 Rg2 59. Kb5 Ra2 60. Rf7+ Kb8 61. Nb6 Rd2 62. Ka6 Rd4 63. Rb7# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 137 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Nc6 4. g3 f6 5. Bg2 Bg4 6. Nxd4 Qxd4 7. Bxc6+ Bd7 8. Bxd7+ Qxd7 9. Qxd7+ Kxd7 10. d4 e6 11. Nc3 Bb4 12. Bd2 f5 13. a3 Bxc3 14. Bxc3 Rd8 15. d5 Nf6 16. O-O-O Rhf8 17. Bxf6 gxf6 18. Rhe1 e5 19. Kc2 Rg8 20. c5 Ke7 21. Kc3 b6 22. b4 bxc5 23. bxc5 Rg4 24. f3 Ra4 25. Kb3 Ra5 26. Kb4 Ra6 27. a4 Rb8+ 28. Ka3 Ra5 29. d6+ Kd8 30. Rc1 Rbb5 31. Red1 c6 32. e4 fxe4 33. fxe4 Kd7 34. h3 Rxc5 35. Rxc5 Rxc5 36. Kb3 Ra5 37. Rf1 Kxd6 38. Kb4 Ra6 39. Rxf6+ Ke7 40. Rf5 Rb6+ 41. Kc5 Rb3 42. Rxe5+ Kf6 43. Rh5 Rxg3 44. Rxh7 Ke5 45. Re7+ Kf4 46. Kd4 c5+ 47. Kxc5 Rxh3 48. Kd4 a6 49. Re6 Rb3 50. Rf6+ Kg4 51. Rxa6 Rb2 52. e5 Kg5 53. a5 Rd2+ 54. Ke4 Re2+ 55. Kd5 Ra2 56. Ke6 Kf4 57. Ra8 Ke4 58. a6 Ra4 59. Kf6 Kd5 60. e6 Rg4 61. e7 Rd4 62. Rd8+ Kc4 63. Rxd4+ Kxd4 64. e8=Q Kc4 65. Ke5 Kc5 66. a7 Kb6 67. a8=Q Kc5 68. Qa5+ Kc4 69. Qeb5# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 111 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Nc6 4. g3 f6 5. Bg2 Bg4 6. Nxd4 Qxd4 7. Bxc6+ Bd7 8. Bxd7+ Qxd7 9. Qxd7+ Kxd7 10. d4 e5 11. dxe5 fxe5 12. Nc3 Bb4 13. Bd2 Nf6 14. a3 Bc5 15. O-O-O Kc8 16. Be1 b6 17. b4 Bd6 18. f3 Rd8 19. e4 a5 20. Nb5 axb4 21. Nxd6+ cxd6 22. Bxb4 Kc7 23. Rd3 Ne8 24. Rhd1 Ra4 25. Kb2 Rc8 26. f4 exf4 27. gxf4 Kb7 28. Kb3 Rca8 29. Ra1 Kc6 30. Rd5 g6 31. h3 Kc7 32. Rad1 Kb7 33. R1d4 R8a7 34. Kc2 h6 35. h4 Kc7 36. h5 gxh5 37. Rxh5 Kb7 38. Rxh6 Kc6 39. e5 Rd7 40. Kd3 Ra8 41. Rd5 Rf7 42. exd6 Rd7 43. Kd4 Rad8 44. Re6 Ng7 45. Rg6 Rf8 46. Ke4 Ne8 47. Bc3 Rff7 48. Be5 Rf8 49. f5 Rff7 50. Re6 Ng7 51. Bd4 Rf8 52. Bxg7 Re7 53. dxe7+ Kc7 54. exf8=R b5 55. cxb5 Kb7 56. Rd7# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 131 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Nc6 4. g3 f6 5. Bg2 Bg4 6. Nxd4 Qxd4 7. Bxc6+ Bd7 8. Bxd7+ Qxd7 9. Qxd7+ Kxd7 10. d4 Re8 11. Nc3 Kc8 12. Be3 e6 13. O-O-O Ne7 14. Rd3 Nc6 15. f3 Na5 16. b3 Bb4 17. Kb2 Nc6 18. a3 Be7 19. b4 Rd8 20. h4 g6 21. Rhd1 h6 22. f4 a5 23. b5 Nb8 24. d5 exd5 25. Nxd5 Rde8 26. Bd4 Bd8 27. Re1 Nd7 28. e4 c6 29. bxc6 bxc6 30. Nc3 Be7 31. h5 gxh5 32. Rh1 c5 33. Bf2 h4 34. gxh4 Rhg8 35. Rhd1 Nb6 36. Kb3 Rg4 37. Rf3 Bf8 38. a4 Rg2 39. Rd2 Rd8 40. Rxd8+ Kxd8 41. Nb5 Nd7 42. Be1 Rh2 43. Bxa5+ Ke7 44. Bc7 Rxh4 45. a5 Rh1 46. a6 Ra1 47. a7 Ra6 48. Bd6+ Kf7 49. Rd3 Bg7 50. Rd5 Bf8 51. Bxf8 Nxf8 52. Rd2 Rxa7 53. Nxa7 Ne6 54. Rd7+ Kg8 55. e5 f5 56. Ka4 h5 57. Nc6 Nxf4 58. Ne7+ Kf7 59. Nd5+ Ke8 60. Rh7 Nxd5 61. cxd5 c4 62. d6 Kd8 63. e6 Kc8 64. Kb5 h4 65. Kb6 h3 66. Rh8# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 87 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Nc6 4. g3 f6 5. Bg2 Bg4 6. Nxd4 Qxd4 7. Bxc6+ Bd7 8. Bxd7+ Qxd7 9. Qxd7+ Kxd7 10. d4 Re8 11. Nc3 g5 12. Be3 e6 13. h4 g4 14. O-O-O Bb4 15. Kc2 Bxc3 16. Kxc3 Ne7 17. Bf4 f5 18. e4 Ng6 19. Bh6 Rhg8 20. Rhe1 Ne7 21. Bg5 Rgf8 22. e5 Kc6 23. b4 a6 24. a4 Rg8 25. b5+ axb5 26. axb5+ Kd7 27. d5 exd5 28. cxd5 Ng6 29. Kd4 Ra8 30. Ra1 Rge8 31. e6+ Kd6 32. h5 Rxa1 33. Rxa1 Nf8 34. Bf4+ Ke7 35. Ke5 Rc8 36. Ra7 Rb8 37. Kxf5 Nxe6 38. dxe6 Rf8+ 39. Ke5 Rb8 40. h6 Ke8 41. Kf6 Rd8 42. Rxb7 Rd4 43. Bxc7 Re4 44. Rb8# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 75 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Nc6 4. g3 f6 5. Bg2 Bg4 6. Nxd4 Qxd4 7. Bxc6+ Bd7 8. Bxd7+ Qxd7 9. Qxd7+ Kxd7 10. d4 e6 11. Nc3 Ne7 12. e4 Nc6 13. Be3 Rd8 14. a3 Na5 15. c5 Nc4 16. O-O e5 17. dxe5 Nxe3 18. fxe3 Bxc5 19. exf6 Bxe3+ 20. Kg2 gxf6 21. Rad1+ Ke6 22. Nd5 Bb6 23. Rxf6+ Ke5 24. Rf5+ Kxe4 25. Rdf1 Bd4 26. R1f4+ Kd3 27. Nxc7 Bxb2 28. Rb4 Bc1 29. Rxb7 Ke4 30. Rf2 Be3 31. Rf7 Rd2+ 32. Kh3 Bg1 33. Re7+ Kf5 34. g4+ Kg6 35. Ne8 Rd3+ 36. Kg2 Bd4 37. h4 Be3 38. Re6# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 123 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Nc6 4. g3 f6 5. Bg2 Bg4 6. Nxd4 Qxd4 7. Bxc6+ Bd7 8. Bxd7+ Qxd7 9. Qxd7+ Kxd7 10. d4 e5 11. dxe5 fxe5 12. Nc3 Nf6 13. Bg5 h6 14. Bxf6 gxf6 15. O-O-O+ Kc8 16. Nd5 Bc5 17. Nxf6 Bxf2 18. Kc2 Bd4 19. Rhf1 b6 20. Nd5 Rh7 21. e3 Bc5 22. b4 Bd6 23. e4 Rd7 24. Rf6 c6 25. c5 cxd5 26. cxd6 dxe4 27. Rd5 a5 28. b5 Kb7 29. Rxe5 Rad8 30. Rxh6 Rxd6 31. Rxd6 Rxd6 32. Re7+ Kc8 33. Rxe4 Rf6 34. Kd3 Kd7 35. Re2 Kd6 36. Kd4 Rf5 37. Rb2 Ke6 38. h4 Rd5+ 39. Ke4 Rc5 40. g4 Rc4+ 41. Kf3 Kf6 42. Rd2 Rc5 43. Rd6+ Ke5 44. Rxb6 Rc3+ 45. Kf2 Rc2+ 46. Ke3 Rxa2 47. g5 Ra3+ 48. Kd2 Ra2+ 49. Kc3 Ra3+ 50. Kb2 Rg3 51. g6 a4 52. h5 Kf5 53. h6 a3+ 54. Ka2 Rg5 55. h7 Rg3 56. h8=Q Rg2+ 57. Kxa3 Re2 58. Qh5+ Kf4 59. Qxe2 Kg3 60. g7 Kh3 61. g8=Q Kh4 62. Qgg4# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 117 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Nc6 4. g3 f6 5. Bg2 Bg4 6. Nxd4 Qxd4 7. Bxc6+ Bd7 8. Bxd7+ Qxd7 9. Qxd7+ Kxd7 10. d4 e5 11. dxe5 fxe5 12. Nc3 Nf6 13. Bd2 Kc8 14. f3 Bc5 15. Na4 Be7 16. Bc3 Nd7 17. Rd1 a6 18. b4 b5 19. Nc5 Nxc5 20. bxc5 Bxc5 21. Bxe5 Rg8 22. cxb5 axb5 23. Rd5 Be3 24. Rxb5 Rxa2 25. Rb3 Bb6 26. Rd3 Re8 27. f4 g6 28. h4 Rd8 29. Rxd8+ Kxd8 30. h5 Be3 31. hxg6 Rc2 32. Kf1 hxg6 33. Kg2 Bb6 34. Kf3 Ke7 35. Rh7+ Ke6 36. Rg7 g5 37. Rxg5 c6 38. Rg6+ Kd7 39. f5 Ba5 40. Rg7+ Ke8 41. f6 Bb4 42. Rb7 Bc5 43. Bf4 Kd8 44. f7 Rc3+ 45. e3 Rc1 46. Ke4 Rc4+ 47. Kf5 Be7 48. Ke6 Re4+ 49. Be5 Rxe5+ 50. Kxe5 Bf8 51. Ke6 Kc8 52. Re7 Kb8 53. Re8+ Kb7 54. Rxf8 Kc7 55. Ra8 Kb6 56. f8=Q Kb5 57. Ra3 Kc4 58. Qb8 c5 59. Qb3# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 105 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Nc6 4. g3 f6 5. Bg2 Bg4 6. Nxd4 Qxd4 7. Bxc6+ Bd7 8. Bxd7+ Qxd7 9. Qxd7+ Kxd7 10. d4 Re8 11. Nc3 a5 12. O-O g5 13. e4 e5 14. dxe5 Rxe5 15. f4 gxf4 16. Bxf4 Re6 17. Rfd1+ Kc8 18. Kh1 Bh6 19. Rd5 Bxf4 20. gxf4 b6 21. Rad1 Ne7 22. R5d3 Nc6 23. b3 Rd8 24. Rxd8+ Nxd8 25. Kg1 Nb7 26. Kf2 Nd6 27. Kf3 Kb7 28. Rd5 Kc6 29. Nb5 Nxb5 30. cxb5+ Kb7 31. Rd7 Rd6 32. Rxd6 cxd6 33. Kg4 Kc7 34. Kf5 Kd7 35. Kxf6 d5 36. exd5 a4 37. f5 axb3 38. axb3 Kd6 39. Kf7 Ke5 40. Ke7 Kxd5 41. f6 Kc5 42. f7 Kb4 43. f8=Q Kxb3 44. Kd7 Kc4 45. Kc6 Kd3 46. Kxb6 Kc4 47. Qf5 h6 48. Kc6 Kc3 49. b6 Kc4 50. b7 Kd4 51. b8=Q h5 52. Qbb5 Ke3 53. Qbd3# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 101 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Nc6 4. g3 f6 5. Bg2 Bg4 6. Nxd4 Qxd4 7. Bxc6+ Bd7 8. Bxd7+ Qxd7 9. Qxd7+ Kxd7 10. d4 e5 11. dxe5 fxe5 12. Nc3 Bb4 13. Bd2 Nf6 14. Rd1 Kc8 15. O-O Rd8 16. a3 Be7 17. Be3 Ng4 18. Nd5 Bf6 19. Nxf6 Nxe3 20. Rxd8+ Kxd8 21. fxe3 gxf6 22. Rxf6 Ke7 23. Rh6 Rh8 24. Kg2 e4 25. Rh4 Kd6 26. Rxe4 Rc8 27. Kf3 b6 28. Rf4 Ke6 29. e4 a5 30. Ke3 Rd8 31. g4 Rd1 32. g5 Rb1 33. Rh4 Rxb2 34. Rxh7 Ra2 35. Rxc7 Rxa3+ 36. Kf4 Ra4 37. g6 Ra1 38. Rc6+ Ke7 39. Rxb6 Rg1 40. Kf5 Rg2 41. Rb7+ Kf8 42. h4 Rf2+ 43. Ke5 Rg2 44. h5 Rg4 45. c5 Rg1 46. c6 Re1 47. h6 Rf1 48. h7 Ke8 49. h8=Q+ Rf8 50. g7 a4 51. gxf8=Q# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 137 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Nc6 4. g3 f6 5. Bg2 Bg4 6. Nxd4 Qxd4 7. Bxc6+ Bd7 8. Bxd7+ Qxd7 9. Qxd7+ Kxd7 10. d4 e6 11. Nc3 Ne7 12. O-O Nc6 13. Rd1 Rd8 14. d5 exd5 15. Nxd5 Kc8 16. Bf4 Ne5 17. b3 c6 18. Nc3 Bd6 19. Ne4 Bc7 20. Kg2 Rhe8 21. Rxd8+ Rxd8 22. f3 Ng6 23. Bxc7 Kxc7 24. f4 Nf8 25. g4 Ng6 26. Kf3 b6 27. c5 Rd4 28. Ke3 Rd7 29. a4 Nh4 30. cxb6+ axb6 31. a5 bxa5 32. Rxa5 Re7 33. Ra7+ Kd8 34. Ra4 Ke8 35. Kf2 Kf7 36. Kg3 Ng6 37. f5 Nf8 38. h4 Rc7 39. Kf4 Nd7 40. Rd4 Nb6 41. e3 Nd5+ 42. Kf3 g6 43. Nc5 Ra7 44. e4 Nc3 45. Rd3 Nb5 46. g5 gxf5 47. exf5 Re7 48. Ne6 Rxe6 49. fxe6+ Kxe6 50. Ke4 Nc7 51. Rd8 fxg5 52. hxg5 Na6 53. Rh8 Nc5+ 54. Kf4 Nxb3 55. Rxh7 Nc5 56. Rh3 Kd5 57. Kf5 Kd6 58. Re3 Nb3 59. Rxb3 c5 60. g6 c4 61. g7 cxb3 62. g8=Q Kc5 63. Qxb3 Kd4 64. Qb5 Ke3 65. Qc4 Kf2 66. Kf4 Ke1 67. Ke3 Kd1 68. Qc5 Ke1 69. Qc1# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 125 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Nc6 4. g3 f6 5. Bg2 Bg4 6. Nxd4 Qxd4 7. Bxc6+ Bd7 8. Bxd7+ Qxd7 9. Qxd7+ Kxd7 10. d4 e6 11. Nc3 Ne7 12. O-O Nc6 13. Rd1 Rd8 14. d5 exd5 15. Nxd5 Kc8 16. Bf4 Ne5 17. b3 c6 18. Nc3 Bc5 19. Ne4 Bd4 20. Rac1 g5 21. Bd2 Ng4 22. Bb4 Rhe8 23. Nd6+ Rxd6 24. Bxd6 Bxf2+ 25. Kg2 Bb6 26. Re1 Ne3+ 27. Kh1 c5 28. b4 cxb4 29. Bxb4 Bd4 30. Bc3 Re4 31. Bxd4 Rxd4 32. Rc3 Re4 33. Kg1 Kc7 34. Rb1 Kc6 35. Ra3 a6 36. c5 Nd5 37. Rb2 f5 38. Rab3 Re7 39. Kf2 h5 40. a4 g4 41. Rb1 f4 42. gxf4 Nxf4 43. R1b2 Re4 44. a5 Ne6 45. Rxb7 Nxc5 46. Rh7 Re5 47. Kg3 Re3+ 48. Kf4 Rh3 49. Ke5 Nd7+ 50. Kd4 Rxh2 51. Rc2+ Kd6 52. Rh6+ Nf6 53. Rxf6+ Kd7 54. Rg6 Ke7 55. Rc7+ Kf8 56. Rf6+ Kg8 57. Rxa6 Rf2 58. Ra8+ Rf8 59. Rxf8+ Kxf8 60. a6 Ke8 61. a7 Kd8 62. Rb7 g3 63. a8=Q# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 131 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Nc6 4. g3 f6 5. Bg2 Bg4 6. Nxd4 Qxd4 7. Bxc6+ Bd7 8. Bxd7+ Qxd7 9. Qxd7+ Kxd7 10. d4 e5 11. dxe5 fxe5 12. Nc3 Bb4 13. Bd2 Nf6 14. Rd1 Kc8 15. a3 Bd6 16. e4 Bc5 17. O-O Bd4 18. Kg2 Rd8 19. f3 h6 20. b3 Nd7 21. Ne2 Nc5 22. b4 Na4 23. Bc1 c5 24. bxc5 Nxc5 25. f4 Re8 26. Rfe1 Rd8 27. Nxd4 Rxd4 28. Be3 Rxd1 29. Rxd1 Nd7 30. Rd6 exf4 31. Bxf4 Nf6 32. Kf3 Ne8 33. Rd4 g5 34. Be5 a5 35. Kg4 Ra6 36. Rd5 Rc6 37. Rxa5 Rxc4 38. Kf5 Rc2 39. h4 gxh4 40. gxh4 Kd7 41. Rd5+ Ke7 42. Rb5 Rf2+ 43. Kg6 Nd6 44. Bxd6+ Kxd6 45. Kxh6 Rf4 46. h5 Rxe4 47. Rxb7 Ke6 48. Kg5 Re5+ 49. Kg6 Re1 50. h6 Rg1+ 51. Kh7 Kf6 52. a4 Rc1 53. a5 Rc2 54. a6 Rc8 55. a7 Ra8 56. Rb6+ Ke5 57. Ra6 Re8 58. a8=Q Rxa8 59. Rxa8 Kf6 60. Kg8 Ke5 61. Kf7 Kf5 62. h7 Ke4 63. h8=Q Kd5 64. Qc3 Ke4 65. Ra4+ Kf5 66. Qc5# |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j in 93 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Nc6 4. g3 f6 5. Bg2 Bg4 6. Nxd4 Qxd4 7. Bxc6+ Bd7 8. Bxd7+ Qxd7 9. Qxd7+ Kxd7 10. d4 Re8 11. O-O e5 12. dxe5 Rxe5 13. Nc3 Bb4 14. Rd1+ Kc8 15. Nd5 Bd6 16. e3 Ne7 17. f4 Re4 18. Rd4 Re6 19. Bd2 Nf5 20. Rd3 c6 21. Nc3 Bc5 22. Kf2 Rhe8 23. Re1 Rd6 24. Rxd6 Nxd6 25. b3 f5 26. Kf3 a6 27. Re2 Ne4 28. Nxe4 Rxe4 29. g4 g6 30. gxf5 gxf5 31. Rg2 Kd7 32. Rg5 Ke6 33. Rh5 Kf6 34. Rxh7 Be7 35. Bc3+ Ke6 36. Rh6+ Kd7 37. Bd4 b5 38. c5 a5 39. h4 a4 40. bxa4 bxa4 41. h5 Ke8 42. Rxc6 Bh4 43. h6 Bd8 44. h7 Ba5 45. h8=Q+ Kf7 46. Qf6+ Ke8 47. Qg6+ |
| ECO A09 in 2007 play it! ziegler z defeats black's ziegler j by checkmate in 125 moves | 1. Nf3 d5 2. c4 d4 3. Qa4+ Nc6 4. g3 f6 5. Bg2 Bg4 6. Nxd4 Qxd4 7. Bxc6+ Bd7 8. Bxd7+ Qxd7 9. Qxd7+ Kxd7 10. d4 Re8 11. O-O e5 12. dxe5 Rxe5 13. Nc3 Bb4 14. Rd1+ Kc8 15. Nd5 Bd6 16. e3 Ne7 17. f4 Re4 18. Rd4 Re6 19. Bd2 Nf5 20. Rd3 c6 21. Nc3 Bc5 22. Re1 Rhe8 23. Nd1 Rd6 24. Rxd6 Nxd6 25. b3 Ne4 26. Bc1 g5 27. fxg5 fxg5 28. Nf2 Nc3 29. a3 Na2 30. Bd2 Rd8 31. Ne4 Rxd2 32. Nxd2 Nc1 33. Rxc1 Bxe3+ 34. Kg2 Bxd2 35. Rf1 h6 36. Kf3 Bc3 37. Ke4 Bb2 38. a4 Kc7 39. Rf7+ Kb6 40. Rh7 a6 41. Rxh6 Kc5 42. a5 Bc3 43. Rh7 Bxa5 44. Rxb7 Bb4 45. Ra7 Kb6 46. Rd7 Ba3 47. h4 gxh4 48. gxh4 Kc5 49. h5 Bc1 50. Ra7 Kd6 51. Rxa6 Bd2 52. Kf5 Kc7 53. Kg6 Bc3 54. h6 Kb7 55. Ra2 Kc7 56. h7 Kb6 57. Rf2 Be1 58. Rf3 Ba5 59. h8=Q Be1 60. Qd4+ Ka6 61. Rf7 Ka5 62. Qc5+ Ka6 63. Ra7# |