| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 53 moves | 1. d4 Nf6 2. a3 d5 3. c4 dxc4 4. Nc3 c5 5. Qa4+ Bd7 6. Qxc4 cxd4 7. Qxd4 Nc6 8. Qh4 e5 9. e4 Nd4 10. Bd3 Nb3 11. Rb1 Nxc1 12. Rxc1 Qb6 13. Rc2 Qd4 14. Rd2 O-O-O 15. Nf3 Qc5 16. Qg3 Re8 17. O-O Kb8 18. Rfd1 Nh5 19. Qg5 Nf4 20. Bc2 Bc8 21. Ba4 Bf5 22. Bxe8 Bc8 23. Bxf7 h5 24. Nxe5 Nxg2 25. Rd8 Qb4 26. Rxc8+ Kxc8 27. Qd8# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 83 moves | 1. d4 Nf6 2. a3 d5 3. c4 dxc4 4. Nc3 c5 5. Qa4+ Bd7 6. Qxc4 cxd4 7. Qxd4 Nc6 8. Qh4 e5 9. e4 Nd4 10. Bd3 Nb3 11. Rb1 Nxc1 12. Rxc1 Qb6 13. Rc2 Qd4 14. Rd2 Qc5 15. Nf3 Bd6 16. O-O h6 17. Rfd1 O-O 18. Be2 Be7 19. Qg3 Qxa3 20. bxa3 Bc6 21. Nxe5 Nxe4 22. Nxe4 Bxe4 23. Bc4 Rac8 24. Bxf7+ Kh8 25. Bd5 Bf5 26. Nf7+ Rxf7 27. Bxf7 Bg5 28. Rd5 Bc2 29. Rc5 Rf8 30. Rxc2 Rxf7 31. Rc7 Rxc7 32. Qxc7 b5 33. Qxa7 Kh7 34. Qd7 Bf6 35. Qxb5 Kg6 36. Rd7 Kh7 37. Qd3+ Kh8 38. Qf5 Kg8 39. Qg6 h5 40. Rc7 Be7 41. Rxe7 Kf8 42. Qxg7# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 63 moves | 1. d4 Nf6 2. a3 d5 3. c4 dxc4 4. Nc3 c5 5. Qa4+ Bd7 6. Qxc4 cxd4 7. Qxd4 Nc6 8. Qh4 e5 9. e4 Nd4 10. Bd3 Nb3 11. Rb1 Nxc1 12. Rxc1 Qb6 13. Rc2 Qd4 14. Rd2 Qc5 15. Nf3 Bd6 16. O-O Rc8 17. Rfd1 h6 18. Be2 Bc7 19. Nd5 Qe3 20. Nxf6+ gxf6 21. fxe3 Ba4 22. Qxf6 Rf8 23. b3 Bc6 24. Nxe5 b6 25. Qxc6+ Ke7 26. Qd7+ Kf6 27. Nxf7 Be5 28. Rd6+ Bxd6 29. Rxd6+ Kg7 30. Ne5+ Kg8 31. Rg6+ Kh8 32. Qg7# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 115 moves | 1. d4 Nf6 2. a3 d5 3. c4 dxc4 4. Nc3 c5 5. Qa4+ Bd7 6. Qxc4 cxd4 7. Qxd4 Nc6 8. Qh4 e5 9. e4 Nd4 10. Bd3 Nb3 11. Rb1 Nxc1 12. Rxc1 Qb6 13. Qg3 Qd4 14. Nge2 Qd6 15. Nb5 Bxb5 16. Bxb5+ Ke7 17. Nc3 a6 18. Rd1 Qb8 19. Bc4 b5 20. Nd5+ Ke8 21. Nxf6+ gxf6 22. Bd5 Ra7 23. Bc6+ Ke7 24. Qe3 f5 25. Qg5+ f6 26. Qxf5 Qc7 27. Bd5 Bg7 28. Qe6+ Kf8 29. Bc6 Qb8 30. Bd7 Rc7 31. Qd6+ Kf7 32. Qxa6 Rd8 33. Qe6+ Kf8 34. O-O Rc2 35. Bxb5 Qc7 36. Bc4 Rxc4 37. Rxd8+ Qxd8 38. Qxc4 Qd6 39. Rc1 Qd7 40. Qc7 Qxc7 41. Rxc7 Bh6 42. b4 Ke8 43. Kf1 Kd8 44. Rxh7 Bc1 45. a4 Ba3 46. a5 Kc8 47. Ke2 Bxb4 48. a6 Bc5 49. a7 Bxa7 50. Rxa7 f5 51. exf5 Kd8 52. f6 Ke8 53. g4 e4 54. g5 e3 55. g6 exf2 56. g7 f1=Q+ 57. Kxf1 Kd8 58. g8=Q# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 57 moves | 1. d4 Nf6 2. a3 d5 3. c4 dxc4 4. Nc3 c5 5. Qa4+ Bd7 6. Qxc4 cxd4 7. Qxd4 Nc6 8. Qh4 e5 9. e4 Nd4 10. Bd3 Nb3 11. Rb1 Nxc1 12. Rxc1 Qb6 13. Rc2 Qd4 14. Rd2 Qc5 15. Nf3 Bd6 16. O-O Rc8 17. Rfd1 Nxe4 18. Nxe4 Be6 19. Nxc5 Rc7 20. Nxe6 Rd7 21. Bb5 fxe6 22. Bxd7+ Kf7 23. Bxe6+ Ke8 24. Bd7+ Kf7 25. Rxd6 g5 26. Nxe5+ Ke7 27. Qxg5+ Kf8 28. R1d4 a5 29. Rf4# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 65 moves | 1. d4 Nf6 2. a3 d5 3. c4 dxc4 4. Nc3 c5 5. Qa4+ Bd7 6. Qxc4 cxd4 7. Qxd4 Nc6 8. Qh4 e5 9. e4 Nd4 10. Bd3 Nb3 11. Rb1 Nxc1 12. Rxc1 Qb6 13. Rc2 Qd4 14. Rd2 Qc5 15. Nf3 Bd6 16. O-O Rc8 17. Rfd1 b6 18. Ba6 Bf5 19. Rxd6 Bg4 20. Bxc8 Qxc8 21. Qg5 O-O 22. Rxf6 Bxf3 23. Rxf3 f6 24. Qh5 g6 25. Qh4 Qe6 26. Nd5 f5 27. exf5 gxf5 28. Ne7+ Kh8 29. Rg3 Re8 30. Ng6+ Kg7 31. Nxe5+ Kf8 32. Nd7+ Kf7 33. Qxh7# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 71 moves | 1. d4 Nf6 2. a3 d5 3. c4 dxc4 4. Nc3 c5 5. Qa4+ Bd7 6. Qxc4 cxd4 7. Qxd4 Nc6 8. Qh4 e5 9. e4 Nd4 10. Bd3 Nb3 11. Rb1 Nxc1 12. Rxc1 Qb6 13. Rc2 Qd4 14. Rd2 Qc5 15. Nf3 Bd6 16. O-O Rc8 17. Rfd1 b6 18. Bb5 Bxb5 19. Rxd6 g6 20. Qxf6 O-O 21. R1d5 Qc4 22. Nd2 Qa4 23. Rd8 Rfxd8 24. Rxd8+ Rxd8 25. Qxd8+ Kg7 26. Nxa4 Bxa4 27. Qe7 a5 28. Qxe5+ Kh6 29. Qd4 Bd1 30. Qxb6 a4 31. Qf6 Bc2 32. Qxf7 Bd1 33. f4 Be2 34. h3 Bf1 35. g4 g5 36. Qf6# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 129 moves | 1. d4 Nf6 2. a3 d5 3. c4 dxc4 4. Nc3 c5 5. Qa4+ Bd7 6. Qxc4 cxd4 7. Qxd4 Nc6 8. Qh4 e5 9. e4 Nd4 10. Bd3 Nb3 11. Rb1 Nxc1 12. Rxc1 Qb6 13. Rc2 Qd4 14. Rd2 Qc5 15. Nf3 Bd6 16. O-O h6 17. Rfd1 Rd8 18. Bc2 Bc6 19. Na4 Bxa4 20. Bxa4+ Ke7 21. Re1 Qa5 22. Bb3 g5 23. Qg3 g4 24. Rxd6 Kxd6 25. Rd1+ Ke7 26. Bd5 Qc7 27. Nxe5 Nh7 28. Ng6+ Kd7 29. Bxf7+ Kc8 30. Qxg4+ Kb8 31. Nxh8 Rxh8 32. Qd7 Qxd7 33. Rxd7 Nf6 34. Re7 Rc8 35. f3 Rc7 36. Rxc7 Kxc7 37. e5 Nd7 38. e6 Nf6 39. f4 Kd6 40. Kf2 Ng4+ 41. Kg3 Ne3 42. a4 Ke7 43. Bg8 a5 44. Bf7 Nf5+ 45. Kg4 Ng7 46. g3 Kf6 47. Bg8 b6 48. b3 h5+ 49. Kh4 Kg6 50. Bf7+ Kf6 51. f5 Nxf5+ 52. Kxh5 Ng7+ 53. Kg4 Nf5 54. h4 Nd4 55. h5 Nf5 56. Kf3 Nd6 57. Kf4 Nxf7 58. exf7 Ke6 59. f8=Q Kd5 60. h6 Kc6 61. Qf6+ Kd7 62. Qxb6 Ke8 63. Qc7 Kf8 64. h7 Ke8 65. h8=Q# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 47 moves | 1. d4 Nf6 2. a3 d5 3. c4 dxc4 4. Nc3 c5 5. Qa4+ Bd7 6. Qxc4 cxd4 7. Qxd4 Nc6 8. Qh4 e5 9. e4 Nd4 10. Bd3 Nb3 11. Rb1 Nxc1 12. Rxc1 Qb6 13. Rc2 Qd4 14. Rd2 Rd8 15. Nf3 Nxe4 16. Nxd4 Nxd2 17. Nd5 Rc8 18. Kxd2 Bc5 19. Re1 Kf8 20. Rxe5 a5 21. Bxh7 b5 22. Nb6 Bg4 23. Nxc8 Rg8 24. Qd8# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 87 moves | 1. d4 Nf6 2. a3 d5 3. c4 dxc4 4. Nc3 c5 5. Qa4+ Bd7 6. Qxc4 cxd4 7. Qxd4 Nc6 8. Qh4 e5 9. e4 Nd4 10. Bd3 Nb3 11. Rb1 Nxc1 12. Rxc1 Qb6 13. Qg3 Ng4 14. Rc2 Rd8 15. h3 Nf6 16. Qxe5+ Qe6 17. Nf3 Qxe5 18. Nxe5 Bd6 19. Nxd7 Nxd7 20. Nb5 Bb8 21. Nc7+ Kf8 22. Rc3 Ne5 23. Nd5 f5 24. Bb1 Nc6 25. Rb3 Rd7 26. Rf3 Nd4 27. Rc3 Kf7 28. Ba2 Kg6 29. Rd3 Kf7 30. Nb6+ Ke7 31. Nxd7 Nc2+ 32. Ke2 fxe4 33. Rd5 Bf4 34. Nc5 Rc8 35. g3 Bd6 36. Nxe4 Ke6 37. Nxd6 Rc6 38. Nxb7 Kf6 39. Rd7 Rb6 40. Rhd1 Rxb2 41. R7d6+ Ke7 42. Re6+ Kf8 43. Rd8+ Kf7 44. Nd6# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 75 moves | 1. d4 Nf6 2. a3 d5 3. c4 dxc4 4. Nc3 c5 5. Qa4+ Bd7 6. Qxc4 cxd4 7. Qxd4 Nc6 8. Qh4 e5 9. e4 Nd4 10. Bd3 Nb3 11. Rb1 Nxc1 12. Rxc1 Qb6 13. Rc2 Qd4 14. Rd2 Qc5 15. Nf3 Bd6 16. O-O Rc8 17. Rfd1 b6 18. Bc4 Qxc4 19. Rxd6 Qc5 20. Qg5 Nxe4 21. Nxe4 h6 22. Qxg7 Qb5 23. Ra1 Rc3 24. Qxh8+ Ke7 25. Rd3 Rxd3 26. Nxe5 Be6 27. Nxd3 Qxd3 28. Re1 Qc2 29. b4 Qd3 30. Qxh6 Qxa3 31. Qf6+ Kf8 32. Ng5 Kg8 33. Rd1 Bd5 34. Qd8+ Kg7 35. Qxd5 Kf6 36. Qxf7+ Kxg5 37. Rd5+ Kh4 38. Qf4# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 87 moves | 1. d4 Nf6 2. a3 d5 3. c4 dxc4 4. Nc3 c5 5. Qa4+ Bd7 6. Qxc4 cxd4 7. Qxd4 Nc6 8. Qh4 e5 9. e4 Nd4 10. Bd3 Nb3 11. Rb1 Nxc1 12. Rxc1 Qb6 13. Rc2 Qd4 14. Rd2 Qc5 15. Nf3 Bd6 16. O-O Rd8 17. Rc1 O-O 18. b4 Qc7 19. Rcc2 Qb8 20. Nd5 Nxd5 21. exd5 h6 22. Be2 f5 23. Rc4 Rf6 24. g3 f4 25. gxf4 exf4 26. Bd3 Bb5 27. Rc3 Bxd3 28. Rdxd3 Re8 29. Qg4 Kh8 30. Kf1 Rf7 31. Qg6 Rfe7 32. Kg2 Qd8 33. Qf5 Re2 34. Qg6 Bb8 35. Ng1 Rb2 36. d6 Qd7 37. Nh3 Ree2 38. Rc4 Re6 39. Qg4 f3+ 40. Rxf3 Qc7 41. dxc7 Re4 42. c8=Q+ Kh7 43. Qxe4+ g6 44. Rf7# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 77 moves | 1. d4 Nf6 2. a3 d5 3. c4 dxc4 4. Nc3 c5 5. Qa4+ Bd7 6. Qxc4 cxd4 7. Qxd4 Nc6 8. Qh4 e5 9. e4 Nd4 10. Bd3 Nb3 11. Rb1 Nxc1 12. Rxc1 Qb6 13. Rc2 Qd4 14. Rd2 Bd6 15. Nf3 Qc5 16. O-O Rd8 17. Rc1 O-O 18. b4 Nd5 19. exd5 Qxf2+ 20. Rxf2 f5 21. Nb5 Bb8 22. Re2 Bxb5 23. Bxb5 e4 24. Nd2 Be5 25. Qe7 Bb2 26. Rc7 a6 27. Bd7 Bd4+ 28. Kh1 Kh8 29. Rxb7 Bf6 30. Qe6 Bg5 31. Qxa6 Ra8 32. Qd6 Rad8 33. Nc4 g6 34. Qe6 Bh6 35. Qe7 Bg5 36. Qxg5 Ra8 37. Be6 Ra5 38. Qh6 Rf6 39. Rxh7# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 121 moves | 1. d4 Nf6 2. a3 d5 3. c4 dxc4 4. Nc3 c5 5. Qa4+ Bd7 6. Qxc4 cxd4 7. Qxd4 Nc6 8. Qh4 e5 9. e4 Nd4 10. Bd3 Nb3 11. Rb1 Nxc1 12. Rxc1 Qb6 13. Qg3 Ng4 14. b4 Rc8 15. Nf3 Bxb4 16. axb4 Qxb4 17. Kd2 Qc5 18. Nd5 Qxf2+ 19. Qxf2 Nxf2 20. Rxc8+ Bxc8 21. Ra1 Nxd3 22. Kxd3 a6 23. Rc1 Be6 24. Rc7 O-O 25. Ne7+ Kh8 26. Rxb7 f6 27. Rb6 Bd7 28. Ke3 Bb5 29. Nd5 Rc8 30. Nb4 Ra8 31. Nh4 Bc4 32. Nf5 a5 33. Nd5 a4 34. Nc7 Rd8 35. Nd6 Bg8 36. Ncb5 g6 37. g4 Kg7 38. Nc7 Re8 39. Ncxe8+ Kh6 40. Nxf6 Ba2 41. Ra6 Kg5 42. Nd7 Be6 43. Nxe5 Bb3 44. Ndc4 Bd1 45. h3 Kh4 46. Nb2 Bc2 47. Nxa4 Kxh3 48. Nc3 Bb3 49. Kf4 Bg8 50. Nd5 Kg2 51. Nf6 Bb3 52. g5 Kf2 53. Nxh7 Kf1 54. Rxg6 Ke1 55. Rb6 Bc2 56. g6 Ba4 57. g7 Bc6 58. Rxc6 Kd2 59. g8=Q Ke1 60. Ke3 Kd1 61. Qg1# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 65 moves | 1. d4 Nf6 2. a3 d5 3. c4 dxc4 4. Nc3 c5 5. Qa4+ Bd7 6. Qxc4 cxd4 7. Qxd4 Nc6 8. Qh4 e5 9. e4 Nd4 10. Bd3 Nb3 11. Rb1 Nxc1 12. Rxc1 Qb6 13. Rc2 Qd4 14. Rd2 Rd8 15. Nf3 Nd5 16. Nxd4 Nxc3 17. Nf3 Be7 18. Qg3 O-O 19. bxc3 f6 20. Bc4+ Kh8 21. Nh4 Be8 22. Nf5 Bg6 23. Nxe7 Bxe4 24. Re2 Rfe8 25. Rxe4 Rxe7 26. f4 a6 27. fxe5 b5 28. Bb3 fxe5 29. O-O a5 30. Rxe5 Rb7 31. Ref5 Rbb8 32. Qxb8 g6 33. Qe5# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 55 moves | 1. d4 Nf6 2. a3 d5 3. c4 dxc4 4. Nc3 c5 5. Qa4+ Bd7 6. Qxc4 cxd4 7. Qxd4 Nc6 8. Qh4 e5 9. e4 Nd4 10. Bd3 Nb3 11. Rb1 Nxc1 12. Rxc1 Qb6 13. Qg3 Ng4 14. b4 Rc8 15. Nf3 Bxb4 16. axb4 Qxb4 17. Kd2 Qc5 18. Ke2 Qa5 19. Nd5 Qa2+ 20. Nd2 Rxc1 21. Rxc1 h5 22. Rc2 Qa1 23. Qh4 f6 24. Rc7 Ba4 25. Bb1 Bb5+ 26. Ke1 g5 27. Qh3 Ne3 28. Qc8# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 63 moves | 1. d4 Nf6 2. a3 d5 3. c4 dxc4 4. Nc3 c5 5. Qa4+ Bd7 6. Qxc4 cxd4 7. Qxd4 Nc6 8. Qh4 e5 9. e4 Nd4 10. Bd3 Nb3 11. Rb1 Nxc1 12. Rxc1 Qb6 13. Rc2 Qd4 14. Rd2 Bd6 15. Bb5 Qc5 16. Bxd7+ Nxd7 17. Qg4 Rg8 18. Qd1 Ke7 19. Nf3 h6 20. Nh4 g6 21. Nd5+ Kf8 22. Ne3 Be7 23. Rxd7 Bxh4 24. Qd2 b5 25. O-O Be7 26. Rc1 f5 27. Rxc5 f4 28. Rxe5 Rc8 29. Nd5 Rc6 30. Rexe7 Rc1+ 31. Qxc1 f3 32. Qf4# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 53 moves | 1. d4 Nf6 2. a3 d5 3. c4 dxc4 4. Nc3 c5 5. Qa4+ Bd7 6. Qxc4 cxd4 7. Qxd4 Nc6 8. Qh4 e5 9. e4 Nd4 10. Bd3 Nb3 11. Rb1 Nxc1 12. Rxc1 Qb6 13. Rc2 Qd4 14. Rd2 Bd6 15. Nb5 Qc5 16. Nxd6+ Qxd6 17. Qg3 O-O 18. Nf3 Rae8 19. O-O Qc5 20. Re1 Re6 21. Red1 Rd8 22. Rc2 Qa5 23. Bc4 Nxe4 24. Qh4 b6 25. Qxd8+ Be8 26. Bxe6 Qc3 27. Qxe8# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 51 moves | 1. d4 Nf6 2. a3 d5 3. c4 dxc4 4. Nc3 c5 5. Qa4+ Bd7 6. Qxc4 cxd4 7. Qxd4 Nc6 8. Qh4 e5 9. e4 Nd4 10. Bd3 Nb3 11. Rb1 Nxc1 12. Rxc1 Qb6 13. Rc2 Qd4 14. Rd2 Qc5 15. Nf3 Bd6 16. O-O Rd8 17. Rc1 Rc8 18. Rdc2 Nxe4 19. Nxe4 Be6 20. Nxd6+ Kd7 21. Nxc8 Qxc2 22. Rxc2 f6 23. Nxe5+ Kd8 24. Qd4+ Bd5 25. Bb5 a6 26. Qxd5# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 135 moves | 1. d4 Nf6 2. a3 d5 3. c4 dxc4 4. Nc3 c5 5. Qa4+ Bd7 6. Qxc4 cxd4 7. Qxd4 Nc6 8. Qh4 e5 9. e4 Nd4 10. Bd3 Nb3 11. Rb1 Nxc1 12. Rxc1 Qb6 13. b4 Qd4 14. Bb5 Bc5 15. Bxd7+ Nxd7 16. bxc5 Nxc5 17. Nge2 Nd3+ 18. Kf1 Qc5 19. Rd1 Qc4 20. Qg3 Rd8 21. Qxg7 Rf8 22. Rxd3 Rxd3 23. Qxe5+ Kd7 24. h4 Rd8 25. g4 Kc8 26. g5 b6 27. h5 Kb7 28. Kg1 Rc8 29. Kg2 Qe6 30. Qxe6 fxe6 31. Rh3 Rd2 32. g6 Rg8 33. Rg3 hxg6 34. Rxg6 Rdd8 35. f4 Kc8 36. Rxg8 Rxg8+ 37. Kh3 Kd7 38. Kh4 Ke7 39. Nd4 a5 40. h6 Kf7 41. Na4 Rg2 42. Nxb6 Rh2+ 43. Kg3 Rxh6 44. Nc4 a4 45. Ne5+ Kg8 46. Ng4 Rg6 47. Kh4 Kf8 48. Kh5 Rg8 49. Nxe6+ Ke7 50. Nd4 Rc8 51. Ne3 Ke8 52. Kg6 Rc3 53. Ndc2 Rc6+ 54. Kf5 Kd7 55. e5 Rh6 56. Nd4 Rh5+ 57. Ke4 Rh3 58. e6+ Ke8 59. f5 Rh5 60. f6 Rh4+ 61. Ke5 Rf4 62. Kxf4 Kf8 63. Nc4 Kg8 64. Kf5 Kh7 65. e7 Kh6 66. Ne5 Kh7 67. e8=Q Kh6 68. Qg6# |