| ECO A09 in 2007 play it! ziegler j defeats white's ziegler z by checkmate in 128 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 Kc8 14. O-O-O h6 15. Bxf6 gxf6 16. e4 Bc5 17. Kc2 c6 18. f4 Rd8 19. Rhf1 Kc7 20. fxe5 Rxd1 21. Nxd1 fxe5 22. Rf7+ Kb6 23. Nc3 Rf8 24. Rf5 Bd6 25. a3 Ka6 26. b4 b6 27. Kd3 Rd8 28. Ke2 Rf8 29. h4 Kb7 30. Kd3 Kc7 31. g4 Rd8 32. Ke3 Rd7 33. Rh5 Bf8 34. Na4 Re7 35. Rf5 Bg7 36. g5 hxg5 37. hxg5 Kd7 38. c5 b5 39. Nc3 Ke6 40. Rf2 Rd7 41. Rh2 a5 42. Rd2 Rxd2 43. Kxd2 axb4 44. axb4 Bf8 45. Ke2 Kf7 46. Nd5 cxd5 47. exd5 Be7 48. Kd3 Bxg5 49. Ke4 Bd2 50. c6 Ke7 51. Kxe5 Bxb4 52. Ke4 Kd6 53. Kd4 Ba5 54. Kd3 Kxd5 55. Kc2 Bc7 56. Kb3 Kxc6 57. Kc3 Kc5 58. Kb3 Be5 59. Ka2 Kc4 60. Ka3 b4+ 61. Ka4 b3 62. Ka5 b2 63. Ka4 b1=Q 64. Ka5 Qb5# |
| ECO A09 in 2007 play it! ziegler j defeats white's ziegler z by checkmate in 98 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 Kc8 14. O-O-O h6 15. Bxf6 gxf6 16. Nd5 Bc5 17. Rhf1 f5 18. b4 Bf8 19. f4 e4 20. Kc2 c6 21. Ne3 Bxb4 22. Nxf5 Kc7 23. Rd4 Rae8 24. Rfd1 Rh7 25. Nd6 Re6 26. Nf5 Re8 27. Kb3 Bc5 28. R4d2 Rf8 29. Nd4 Rf6 30. e3 Rg7 31. a3 a6 32. a4 b6 33. g4 a5 34. h3 Bb4 35. Rb2 Rd7 36. f5 Kc8 37. Rbb1 Rfd6 38. Kc2 Bc5 39. h4 Bxd4 40. Rxd4 Rxd4 41. exd4 Rxd4 42. Rxb6 Kc7 43. c5 e3 44. Rb3 Re4 45. f6 e2 46. Rb5 e1=Q 47. f7 Qf2+ 48. Kd3 Re3+ 49. Kd4 Qf4# |
| ECO A09 in 2007 play it! ziegler j defeats white's ziegler z by checkmate in 112 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 b6 13. O-O-O e6 14. Ne4 Ne7 15. f3 Nf5 16. Bf2 Rd8 17. c5 h5 18. h4 Be7 19. e3 Kb8 20. g4 hxg4 21. fxg4 Nh6 22. cxb6 axb6 23. g5 Ng4 24. gxf6 gxf6 25. Rhf1 Rh5 26. Kb1 f5 27. Ng5 Bxg5 28. hxg5 Nxf2 29. Rxf2 Rxg5 30. Rh1 Rg3 31. Re2 Rd5 32. Rh5 c5 33. Rh6 Rd6 34. dxc5 bxc5 35. b3 Kb7 36. Rf6 Rg4 37. Rc2 Kb6 38. Rf8 Rd3 39. Rb8+ Kc7 40. Rb5 c4 41. a4 Rxe3 42. Kb2 Ree4 43. Rc5+ Kd6 44. R5xc4 Rxc4 45. bxc4 f4 46. a5 f3 47. a6 Kc7 48. Kc3 Rg2 49. c5 f2 50. Re2 Rg3+ 51. Kd2 f1=Q 52. c6 Qf4+ 53. Kc2 Qc4+ 54. Kd1 Qd3+ 55. Kc1 Qxe2 56. a7 Rg1# |
| ECO A09 in 2007 play it! ziegler j defeats white's ziegler z by checkmate in 118 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. Be3 Kc8 14. O-O-O b6 15. f3 Bd6 16. Rd3 Rf8 17. Rhd1 Kb7 18. a3 Be7 19. Nd5 Rfe8 20. Nxe7 Rxe7 21. c5 e4 22. Rc3 c6 23. Bg5 exf3 24. Rxf3 Rf8 25. cxb6 axb6 26. Kd2 Rfe8 27. Bxf6 gxf6 28. Re1 Re6 29. e4 c5 30. b3 Kc6 31. a4 b5 32. axb5+ Kxb5 33. Rf4 Ra8 34. Re2 Ra2+ 35. Ke3 Rxe2+ 36. Kxe2 Kb4 37. Ke3 Kxb3 38. Rf5 c4 39. Rb5+ Kc2 40. Rh5 c3 41. h4 Kd1 42. Rxh7 Rc6 43. Kd3 c2 44. Ke3 c1=Q+ 45. Kf3 Rc3+ 46. Kg4 Qe3 47. Rd7+ Kc1 48. Kf5 Qxg3 49. Rd5 Qf3+ 50. Ke6 Qxe4+ 51. Kd6 Qxh4 52. Rf5 Kc2 53. Rd5 Qb4+ 54. Kd7 Qb7+ 55. Ke6 Re3+ 56. Kf5 Qxd5+ 57. Kxf6 Rf3+ 58. Kg7 Qg5+ 59. Kh7 Rh3# |
| ECO A09 in 2007 play it! ziegler j defeats white's ziegler z by checkmate in 66 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 Bb4 19. Ne4 h6 20. a3 Be7 21. f3 Rxd1+ 22. Kf2 Rxa1 23. a4 Ra3 24. Nd2 Rd8 25. Be3 Ra2 26. Ne4 Rd3 27. Bc5 Bxc5+ 28. Nxc5 Rxf3+ 29. Ke1 Re3 30. a5 Rexe2+ 31. Kd1 Rf2 32. Nd3 Nxd3 33. a6 Rad2# |
| ECO A09 in 2007 play it! ziegler j defeats white's ziegler z by checkmate in 84 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 Kc8 13. e4 Nf6 14. O-O Bc5 15. Kg2 Rf8 16. f3 b6 17. Ne2 h6 18. Bd2 Bd4 19. Nxd4 exd4 20. e5 Ng8 21. e6 Ne7 22. Rad1 a5 23. a3 Rf6 24. Rfe1 g5 25. f4 gxf4 26. Bxf4 c5 27. Rd3 Kb7 28. Rf3 Kc6 29. b3 a4 30. h4 axb3 31. Rc3 dxc3 32. Be3 Rxe6 33. Bd2 Rxe1 34. Bxc3 b2 35. Bxb2 Re2+ 36. Kf3 Rxb2 37. Kg4 Rb3 38. Kf4 Raxa3 39. Kg4 Rxg3+ 40. Kf4 Kd7 41. Ke4 Rgf3 42. Ke5 Rae3# |
| ECO A09 in 2007 play it! ziegler j defeats white's ziegler z by checkmate in 104 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. Be3 Kc8 14. O-O-O b6 15. f3 Kb7 16. a3 Be7 17. Nd5 Rhe8 18. Nxe7 Rxe7 19. b4 e4 20. Bd4 a5 21. b5 c6 22. Kb2 exf3 23. exf3 Re2+ 24. Kc3 cxb5 25. cxb5 Rc8+ 26. Kb3 Rc7 27. h4 Nd5 28. Rc1 Rd7 29. Ka4 Ne3 30. Bc3 Rd3 31. Bxa5 bxa5 32. Rhf1 Rd4+ 33. Kxa5 Nxf1 34. Rc6 Nxg3 35. Rb6+ Kc8 36. Rc6+ Kd8 37. Ra6 Ra2 38. Ra8+ Ke7 39. Kb6 Nf5 40. h5 Rh4 41. Kc7 Rc2+ 42. Kb6 Rxh5 43. a4 Rf2 44. Ra7+ Kd6 45. Rc7 Ne7 46. Kb7 Rh4 47. a5 Rh5 48. b6 Rxa5 49. Rc3 Rb2 50. Rd3+ Nd5 51. Kc8 Rxb6 52. f4 Ra8# |
| ECO A09 in 2007 play it! ziegler j defeats white's ziegler z by checkmate in 128 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 Kc8 14. O-O-O h6 15. Bxf6 gxf6 16. Nd5 Bc5 17. e3 f5 18. Kc2 c6 19. Nc3 Kc7 20. e4 Rhf8 21. Rhf1 f4 22. f3 Be3 23. Ne2 Rad8 24. gxf4 exf4 25. Kc3 Rxd1 26. Rxd1 Rg8 27. Nd4 Rg2 28. Ne6+ Kb6 29. Rd7 Rf2 30. Nd8 Rxf3 31. e5 Bg1+ 32. Kc2 Bxh2 33. Rxb7+ Kc5 34. e6 Re3 35. Kd2 Bg3 36. Nxc6 Kxc6 37. Rxa7 Rxe6 38. Ra6+ Kd7 39. Ra7+ Kd6 40. Ra6+ Ke5 41. Rxe6+ Kxe6 42. a4 Kd6 43. a5 f3 44. a6 Kc6 45. b4 Bf4+ 46. Ke1 Be3 47. c5 Kc7 48. Kd1 h5 49. Kc2 f2 50. a7 Kb7 51. a8=R Kxa8 52. Kd3 f1=Q+ 53. Kxe3 Kb7 54. Kd4 h4 55. Ke4 h3 56. Kd5 Qb5 57. Kd4 Qxb4+ 58. Ke3 Qxc5+ 59. Kf3 h2 60. Kg2 Qg1+ 61. Kf3 h1=Q+ 62. Kf4 Qd4+ 63. Kf5 Qhh4 64. Ke6 Qhf6# |
| ECO A09 in 2007 play it! ziegler j defeats white's ziegler z by checkmate in 118 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. O-O-O+ Kc8 15. Bxf6 gxf6 16. e4 c6 17. f4 Bc5 18. fxe5 fxe5 19. Rhf1 Rf8 20. Rf5 Re8 21. Kc2 a6 22. Rf6 Rh8 23. h3 Rb8 24. Re6 Kc7 25. Rxe5 Bd6 26. Rf5 Bxg3 27. Rd3 Rhg8 28. Rf7+ Kc8 29. Na4 b5 30. cxb5 Rxb5 31. Nc3 Rb4 32. Rf6 Be5 33. Ne2 Rxb2+ 34. Kd1 Bxf6 35. a3 Kc7 36. Rf3 Be5 37. Rf7+ Kd6 38. Rh7 Rg6 39. h4 Bg7 40. Ke1 Bf6 41. Kd1 Ke5 42. Rd7 Bxh4 43. Rd2 Rxd2+ 44. Kxd2 Kxe4 45. Nc3+ Ke5 46. Kd3 Rg4 47. Kc2 Kd4 48. Na2 Rg2+ 49. Kb1 c5 50. Nc1 Kc4 51. Na2 Bf6 52. Nc1 Rb2+ 53. Ka1 h5 54. a4 h4 55. Na2 Rb4+ 56. Nc3 Bxc3+ 57. Ka2 Rxa4+ 58. Kb1 Kd3 59. Kc1 Ra1# |
| ECO A09 in 2007 play it! ziegler j defeats white's ziegler z by checkmate in 94 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 Bc5 13. Bg5 h6 14. Rd1+ Kc6 15. Bd2 Nf6 16. Na4 Bd6 17. b4 a6 18. f3 b5 19. Nb2 e4 20. Bc3 exf3 21. exf3 Rae8+ 22. Kf1 Re3 23. cxb5+ axb5 24. Rc1 Kd7 25. Kf2 Rhe8 26. Rc2 Nd5 27. Bxg7 Nxb4 28. Rd2 Ra3 29. Bxh6 Rxa2 30. Bg7 Re7 31. Bc3 Kc8 32. Rhd1 Bc5+ 33. Kg2 Re3 34. Bf6 Re6 35. Bg7 Be3 36. Rd8+ Kb7 37. Kh1 Nc6 38. R8d7 Re7 39. Rxe7 Nxe7 40. Rd7 Nf5 41. Be5 Bb6 42. Nd3 Ne3 43. Bf6 Re2 44. g4 Nf1 45. Rh7 Rd2 46. Nb4 Ne3 47. g5 Rd1# |
| ECO A09 in 2007 play it! ziegler j defeats white's ziegler z by checkmate in 114 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 Bb2 23. Rb1 Rxd1+ 24. Rxd1 Rd8 25. Rxd8+ Kxd8 26. h3 Nh6 27. Kg2 b6 28. f4 gxf4 29. Bd2 f5 30. Nd6 Be5 31. c5 Bxd6 32. cxd6 Nf7 33. Bxf4 Kd7 34. g4 fxg4 35. hxg4 Nxd6 36. Kf3 Nb5 37. Be5 Ke6 38. Kf4 a6 39. e3 c5 40. g5 Nd6 41. e4 b5 42. Bg7 c4 43. Bd4 a5 44. Ke3 cxb3 45. axb3 a4 46. Kd3 a3 47. e5 Nf7 48. Kc2 b4 49. Bc5 a2 50. Kb2 Nxg5 51. Kc2 a1=Q 52. Bxb4 Ne4 53. Be1 Qxe1 54. Kb2 Qc3+ 55. Kb1 Qd2 56. Ka1 Nc3 57. b4 Qc1# |
| ECO A09 in 2007 play it! ziegler j defeats white's ziegler z by checkmate in 140 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. Nxe7+ Bxe7 19. e4 Bd6 20. Kg2 b6 21. f3 Re8 22. Be3 f5 23. c5 bxc5 24. Rd5 Re5 25. Rad1 fxe4 26. fxe4 Rxd5 27. exd5 Re5 28. Kf3 Rf5+ 29. Kg4 g6 30. Bh6 Kd7 31. b3 c6 32. dxc6+ Kc7 33. Rc1 Kxc6 34. a3 Be5 35. Rc2 Kd5 36. Rc4 Bd4 37. Bf4 Rf6 38. Ra4 a6 39. Bc7 Re6 40. Ra5 Re3 41. b4 h5+ 42. Kg5 Re6 43. bxc5 Bc3 44. g4 Bd2+ 45. Bf4 Bxa5 46. gxh5 Bd8+ 47. Kg4 gxh5+ 48. Kxh5 Be7 49. Kg4 Rg6+ 50. Bg5 Rg8 51. Kf5 Bxg5 52. hxg5 Kxc5 53. Kg4 a5 54. Kf5 Kb5 55. Kg4 Ka4 56. Kf4 Kxa3 57. Kf5 Kb3 58. g6 a4 59. Kg5 a3 60. Kf6 Rxg6+ 61. Kxg6 a2 62. Kh5 a1=Q 63. Kg5 Kc4 64. Kf5 Qd4 65. Kg5 Kd5 66. Kg6 Ke6 67. Kg5 Qc4 68. Kg6 Qg4+ 69. Kh6 Kf6 70. Kh7 Qg7# |
| ECO A09 in 2007 play it! ziegler j defeats white's ziegler z by checkmate in 56 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. O-O gxf4 14. Bxf4 e5 15. Be3 a5 16. d5 Be7 17. Ne4 Kc8 18. Rf5 h5 19. Raf1 h4 20. g4 h3 21. g5 fxg5 22. Rxe5 Nf6 23. Bxg5 Nxe4 24. Bxe7 Rhg8+ 25. Kh1 Nd2 26. Rf4 Rg2 27. c5 Reg8 28. Bd8 Rg1# |
| ECO A09 in 2007 play it! ziegler j defeats white's ziegler z by checkmate in 104 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. O-O gxf4 14. Bxf4 e5 15. Be3 a5 16. d5 Be7 17. Ne4 Kc8 18. Bd2 b6 19. c5 Rd8 20. d6 cxd6 21. cxb6 d5 22. Nf2 Bb4 23. Bxb4 axb4 24. Nd3 Kb7 25. Nxb4 d4 26. a4 Kxb6 27. b3 Rd6 28. a5+ Kb5 29. Ra4 Ne7 30. a6 Ra8 31. Rc1 Kb6 32. Rca1 Ra7 33. Ra5 Rdd7 34. Kf2 Rdc7 35. g4 Rc3 36. R5a3 Rh3 37. Kg2 Re3 38. R1a2 Kc5 39. Nd3+ Kb6 40. Kg1 Re4 41. Nf2 Re3 42. Nd1 Re4 43. h3 f5 44. Nf2 Re3 45. gxf5 Nxf5 46. Ng4 Rxh3 47. Nxe5 Rg7+ 48. Ng6 Rxg6+ 49. Kf2 Nd6 50. e4 Nxe4+ 51. Kf1 d3 52. a7 Rh1# |
| ECO A09 in 2007 play it! ziegler j defeats white's ziegler z by checkmate in 116 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. h4 Rd8 15. f4 Nf5 16. Bf2 Bb4 17. e4 Nd6 18. c5 Bxc3 19. cxd6 Ba5 20. dxc7 Kxc7 21. a3 Rd6 22. Kb1 Rhd8 23. Rd3 Kb8 24. g4 Bb6 25. e5 Rd5 26. Rhd1 a6 27. Ka2 Bc7 28. Bg3 fxe5 29. fxe5 Bb6 30. Rf3 R8d7 31. Bf2 Bxd4 32. Rf8+ Kc7 33. Rxd4 Rxd4 34. Bxd4 Rxd4 35. Rf7+ Rd7 36. Rxd7+ Kxd7 37. Kb3 g6 38. g5 b6 39. Kc4 Kc6 40. Kd4 Kb5 41. b3 a5 42. Kd3 Kc5 43. Ke4 b5 44. a4 Kb4 45. Kd4 bxa4 46. Ke4 a3 47. Ke3 a2 48. h5 gxh5 49. Ke4 a1=Q 50. Kf4 Qd4+ 51. Kf3 Qxe5 52. Kg2 Qf4 53. Kh3 Qg4+ 54. Kh2 Qxg5 55. Kh1 Kxb3 56. Kh2 h4 57. Kh1 h3 58. Kh2 Qg2# |
| ECO A09 in 2007 play it! ziegler j defeats white's ziegler z by checkmate in 104 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. e4 Ne7 12. O-O Nc6 13. Rd1 Rd8 14. Be3 Kc8 15. Nc3 Bb4 16. d5 Ne5 17. dxe6 Bxc3 18. bxc3 Rxd1+ 19. Rxd1 Re8 20. Rd4 Nf3+ 21. Kg2 Nxd4 22. cxd4 Rxe6 23. Kf3 Ra6 24. e5 Kd7 25. Ke4 Rxa2 26. exf6 gxf6 27. Kf5 a5 28. Ke4 a4 29. Kd3 a3 30. d5 c6 31. Bc5 Ra1 32. dxc6+ Kxc6 33. Be7 f5 34. Kc2 a2 35. Kb3 Re1 36. Bf6 a1=R 37. Bxa1 Rxa1 38. Kb2 Rh1 39. h4 Rh2 40. Kc3 Rxf2 41. Kd3 Rf3+ 42. Ke2 Rxg3 43. Kd2 Kc5 44. Kc2 Rh3 45. Kd2 Rxh4 46. Kd3 Re4 47. Kc2 Kxc4 48. Kd2 f4 49. Kc1 Re2 50. Kd1 f3 51. Kc1 f2 52. Kd1 f1=Q# |
| ECO A09 in 2007 play it! ziegler j defeats white's ziegler z by checkmate in 98 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. Bxe5 fxe5 18. e4 c6 19. Nc3 Rd4 20. f4 Rxc4 21. fxe5 Bb4 22. Rd3 Bxc3 23. Kg2 Bxb2 24. Rb1 Bxe5 25. Rdb3 Rc2+ 26. Kh3 b5 27. Ra3 Bd4 28. Rd1 Rd8 29. Rad3 c5 30. Ra3 Rd7 31. Rb3 a6 32. Ra3 Kb7 33. Rf1 Bf6 34. Rf5 Rdd2 35. Kg4 Rxh2 36. e5 h5+ 37. Kf4 Rhf2+ 38. Rf3 g5+ 39. Ke4 Rce2+ 40. Kd5 Rxe5+ 41. Rxe5 Rxf3 42. Re6 c4 43. Ke4 g4 44. Rd6 c3 45. Rd8 Bxd8 46. Kd5 c2 47. a3 c1=Q 48. a4 Qc6+ 49. Ke5 Bf6# |
| ECO A09 in 2007 play it! ziegler j defeats white's ziegler z by checkmate in 110 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. O-O-O+ Kc8 15. Bxf6 gxf6 16. Nd5 Bc5 17. Nxf6 Bxf2 18. Ng4 Bd4 19. e3 Rg8 20. exd4 Rxg4 21. dxe5 Rxc4+ 22. Kb1 c5 23. Rd6 Re4 24. Rxh6 Kd7 25. Rd1+ Ke7 26. Rd5 b6 27. Kc2 Re2+ 28. Kc3 Rf8 29. Rh7+ Ke6 30. Rd6+ Kxe5 31. Re7+ Kxd6 32. Rxe2 Rf1 33. Kc4 a6 34. a4 Rd1 35. b3 Rd4+ 36. Kc3 b5 37. axb5 axb5 38. h4 b4+ 39. Kc2 c4 40. h5 Rd3 41. Re5 Kxe5 42. bxc4 Rxg3 43. h6 Rc3+ 44. Kb2 Rxc4 45. Kb3 Rh4 46. h7 Rxh7 47. Kxb4 Kd4 48. Kb3 Rh2 49. Kb4 Rb2+ 50. Ka4 Kc4 51. Ka5 Rb4 52. Ka6 Kc5 53. Ka7 Kc6 54. Ka8 Kc7 55. Ka7 Ra4# |
| ECO A09 in 2007 play it! ziegler j defeats white's ziegler z by checkmate in 120 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. Bd2 Nf6 13. Nc3 Bc5 14. O-O-O Kc8 15. f4 exf4 16. Bxf4 Re8 17. Rhe1 Bb4 18. Bd2 Ng4 19. a3 Bc5 20. Rf1 Nf2 21. Rde1 a5 22. Kc2 Ra6 23. Na4 Ba7 24. b3 Ne4 25. Rf7 Nxd2 26. Kxd2 Rh6 27. c5 g5 28. Rh1 Rhe6 29. Rxh7 Rxe2+ 30. Kc1 R2e5 31. c6 b5 32. Nb2 Rc5+ 33. Kb1 Rxc6 34. a4 bxa4 35. Nxa4 Re3 36. Kb2 Bd4+ 37. Ka3 Rc2 38. Rb1 Be5 39. Nb2 Ree2 40. Ka4 Bxb2 41. Kxa5 Rxh2 42. Rxh2 Rxh2 43. Rf1 Rg2 44. Rf8+ Kd7 45. Rf3 Be5 46. Re3 Ke6 47. g4 Rxg4 48. Kb5 Rd4 49. b4 g4 50. Re2 g3 51. Ka5 Rg4 52. Rg2 Bc3 53. Kb5 Kd5 54. Ka4 Bxb4 55. Kb3 Ke4 56. Rxg3 Rxg3+ 57. Ka4 Bc5 58. Kb5 Kd5 59. Ka5 Ra3+ 60. Kb5 c6# |
| ECO A09 in 2007 play it! ziegler j defeats white's ziegler z by checkmate in 122 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. Nxe7+ Bxe7 19. Be3 b6 20. f3 Bd6 21. Bf2 g6 22. e4 f5 23. Rd5 fxe4 24. Rxh5 gxh5 25. fxe4 Be5 26. Rb1 Kd7 27. Ke2 Rg8 28. b4 Ke6 29. b5 Rc8 30. Rd1 c6 31. Rd3 cxb5 32. cxb5 Rc2+ 33. Rd2 Rc3 34. Rd3 Rc2+ 35. Kf3 Rxa2 36. Bd4 Bd6 37. e5 Bb8 38. Re3 Ra5 39. Ke4 Ra4 40. Kd3 Rb4 41. Rf3 Rb3+ 42. Ke4 Rxf3 43. Kxf3 Bxe5 44. Be3 Kd5 45. Bd2 Kc5 46. Bf4 Bc3 47. Bb8 Kxb5 48. Bd6 a5 49. Ke4 Kc4 50. Bf4 a4 51. Bc1 b5 52. g4 b4 53. gxh5 a3 54. Be3 a2 55. Bg1 b3 56. Bf2 a1=Q 57. Ke3 b2 58. Kf4 b1=Q 59. Ke3 Qf5 60. Bg3 Qd1 61. Bc7 Qdd3# |