| 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 h6 17. Rfd1 Rd8 18. Be2 Bc6 19. Nb5 Qxb5 20. Bxb5 Bxb5 21. Rxd6 Rxd6 22. Rxd6 O-O 23. Nxe5 Re8 24. Qf4 Re6 25. Rd8+ Re8 26. Rxe8+ Bxe8 27. Nc4 Bb5 28. Qb8+ Kh7 29. Nd6 Bc6 30. f3 a6 31. Qf8 Nd7 32. Qxf7 Nf6 33. Kf2 b6 34. Nf5 Ne8 35. Ne7 Nf6 36. Nxc6 a5 37. Ne7 Nd7 38. Qg8# |
| 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. b4 Rc8 14. Nf3 Qd6 15. Be2 a5 16. O-O Qe6 17. Nb5 Qa2 18. Rxc8+ Bxc8 19. Qg3 Qxe2 20. Qxe5+ Kd7 21. Qc7+ Ke8 22. Qxc8+ Ke7 23. Qc5+ Ke8 24. Qe5+ Kd7 25. Qc7+ Ke8 26. Qb8+ Kd7 27. Ne5+ Ke6 28. Qc8+ Ke7 29. Qxb7+ Ke6 30. Qc6+ Ke7 31. Qd6+ Ke8 32. Nc7# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 79 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 Qe3 19. fxe3 Rxc3 20. bxc3 Be7 21. Nxe5 Ba4 22. Rf1 O-O 23. Bc4 Be8 24. Ra2 b5 25. Bd3 Nd5 26. Qe1 Nb6 27. Ng4 a5 28. Qg3 Na4 29. Qc7 Bc5 30. Qxa5 Bd7 31. Be2 Bb6 32. Qb4 Bxg4 33. Bxg4 Bc5 34. Qb3 Bxe3+ 35. Kh1 Bg5 36. Rxf7 Rxf7 37. Rf2 Bf6 38. Bh5 Bd4 39. Qxf7+ Kh8 40. Qe8# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 41 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 Qc5 16. Qg3 g6 17. Nd5 Qd6 18. Nxe5 Bh6 19. Nxg6 Ng4 20. Qxd6 hxg6 21. Qe7# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 45 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. Be2 Bb8 19. Nd5 Ba4 20. Nxf6+ gxf6 21. Qxf6 Qe3 22. Rd8+ Rxd8 23. Rxd8# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 131 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 Qc5 16. Qg3 Bh3 17. Qxh3 Be7 18. Qg3 O-O 19. Qxe5 Qxe5 20. Nxe5 Bd6 21. Nc4 Bf4 22. Rd1 Rfe8 23. g3 b5 24. Nxb5 Nxe4 25. O-O Nc5 26. Bxh7+ Kxh7 27. gxf4 Rxd1 28. Rxd1 Re7 29. b4 Ne6 30. Re1 Rb7 31. Ncd6 Rd7 32. Nxf7 Nxf4 33. Ne5 Rb7 34. Nd4 g5 35. f3 Kg7 36. Kf2 Kf6 37. Ng4+ Kg6 38. Re4 Nd3+ 39. Ke3 Nf4 40. Ne6 Nxe6 41. Rxe6+ Kf7 42. Rd6 Re7+ 43. Kd4 Ke8 44. Nf6+ Kf8 45. Rd8+ Kf7 46. Ne4 Rc7 47. Nxg5+ Kg6 48. h4 Rc2 49. Ne4 Rc7 50. Ke5 Rf7 51. Rg8+ Kh7 52. Rg4 Kh6 53. Nf6 Rb7 54. h5 Rg7 55. Kf5 Rxg4 56. fxg4 a6 57. g5+ Kg7 58. h6+ Kf7 59. g6+ Ke7 60. h7 Kd6 61. h8=Q Kc7 62. g7 Kb7 63. Qd8 a5 64. bxa5 Ka7 65. g8=Q Kb7 66. Qb6# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 93 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-O 18. b4 Qe3 19. fxe3 Kb8 20. Bc4 Bc7 21. Bxf7 Rhf8 22. Bc4 Bb6 23. Rd3 Bg4 24. Rxd8+ Bxd8 25. Qg3 Bc7 26. h3 Bxf3 27. Qxg7 Rc8 28. gxf3 Bb6 29. Rd3 Rxc4 30. Qxf6 Rc8 31. Qxe5+ Bc7 32. Qg7 Bb6 33. Qxh6 Bc7 34. f4 a6 35. Nd5 Bd8 36. Qd6+ Ka7 37. f5 Rc1+ 38. Kg2 Bg5 39. f6 Rc6 40. Qe5 Rc2+ 41. Kf3 Bh4 42. Kg4 Bxf6 43. Qxf6 Rc1 44. Qb6+ Kb8 45. Ne7 Rc4 46. Rd8+ Rc8 47. Rxc8# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 81 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 Rc8 14. Nf3 Qd6 15. Be2 a5 16. Rd1 Qe6 17. Nd5 Nxd5 18. exd5 Qf6 19. Qxf6 gxf6 20. bxa5 Bxa3 21. Rb1 Rc7 22. O-O Rg8 23. Bd3 h5 24. Rb6 Ke7 25. Rfb1 Bc8 26. Nh4 Bc5 27. R6b5 Ke8 28. Bf5 Kd8 29. Bxc8 Kxc8 30. a6 b6 31. d6 Rc6 32. Nf5 Bxd6 33. Rxb6 Rc4 34. Nxd6+ Kc7 35. Nxc4 Ra8 36. Rxf6 Rc8 37. Nb6 Rd8 38. Rc1+ Kb8 39. Rxf7 Rd1+ 40. Rxd1 e4 41. a7# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 85 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. Nf3 Rc8 18. Bc2 Nxe4 19. Qxe4 Qa6 20. Nxe5 Be6 21. Qb4 b5 22. Bd3 Rb8 23. Be4 Rc8 24. O-O Qb6 25. Rd6 a5 26. Rxb6 axb4 27. axb4 O-O 28. Rxb5 Rfe8 29. Rc5 Rxc5 30. bxc5 Re7 31. Re1 f5 32. Bd3 Kf8 33. c6 Ke8 34. f3 Bd5 35. Kf2 g6 36. b4 Kd8 37. b5 Ra7 38. b6 Ra2+ 39. Re2 Bxf3 40. Nf7+ Kc8 41. Ba6+ Kb8 42. c7+ Ka8 43. c8=Q# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 91 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. Be2 O-O 18. Rfd1 Be7 19. Qg3 Qd6 20. Rxd6 Bxd6 21. Rxd6 Be6 22. Nxe5 Rad8 23. Nc4 Rfe8 24. Rxd8 Rxd8 25. Qc7 Rd7 26. Qb8+ Kh7 27. Ne5 Rd2 28. Qxb7 a5 29. f4 a4 30. f5 Bb3 31. Bb5 Rc2 32. Nxa4 Rc1+ 33. Kf2 Rd1 34. Nxf7 Bxf7 35. Qxf7 Nxe4+ 36. Ke3 Nf6 37. Nc5 Ng4+ 38. Ke4 Re1+ 39. Kd4 Ne5 40. Qf8 g5 41. Ne6 Nc6+ 42. Kc5 Rxe6 43. fxe6 Ne5 44. e7 Kg6 45. e8=Q+ Kh7 46. Qg8# |
| 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. Ba6 Qe3 19. fxe3 Bc5 20. Bxc8 Bxe3+ 21. Kh1 Bxd2 22. Bxd7+ Nxd7 23. Rxd2 Nf6 24. Nxe5 O-O 25. Nc6 a5 26. Qf2 Re8 27. Qxb6 g6 28. Rd8 Rxd8 29. Qxd8+ Kg7 30. Qd4 a4 31. Nd5 Kh6 32. Qxf6 Kh5 33. g4+ Kh6 34. g5+ Kh5 35. Qf4 h6 36. Nf6# |
| 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 Bd6 15. Bb5 Qc5 16. Bxd7+ Nxd7 17. Qg4 g6 18. Qd1 Ke7 19. Nd5+ Ke8 20. Ne3 Kd8 21. Rxd6 Qc7 22. Nf3 Kc8 23. O-O Re8 24. Qd2 Qc4 25. Nxc4 Nc5 26. Qd5 Nxe4 27. Rd7 Nd6 28. Qxd6 f5 29. Qc7# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 43 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 Qc5 16. Qg3 g6 17. Nd5 Qd6 18. Nxe5 Bh6 19. Nxg6 Be3 20. Qxd6 Bxf2+ 21. Kf1 hxg6 22. Nxf6# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 45 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 Rd8 18. Bc4 Qxc4 19. Rxd6 Nd5 20. Nxd5 O-O 21. Ne7+ Kh8 22. Ng5 Bc8 23. Qxh7# |
| 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 Rc8 17. Rfd1 b6 18. Bb5 Bxb5 19. Rxd6 Ba4 20. R1d2 Bc6 21. Qg5 Rf8 22. Qf5 Rc7 23. Nxe5 Bb7 24. Rd8+ Ke7 25. R8d3 Bc8 26. Qg5 Be6 27. Rd5 Bxd5 28. Rxd5 h6 29. Rxc5 Rxc5 30. Qf4 Rfc8 31. g3 Rf8 32. Nd3 g5 33. Qf3 Ra5 34. e5 Nd7 35. Nd5+ Kd8 36. Nf6 Rxe5 37. Nxe5 Nxe5 38. Qd5+ Ke7 39. Qxe5+ Kd8 40. Qd6+ Kc8 41. Qc6+ Kb8 42. Nd7# |
| 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 Qc5 15. Nf3 Bd6 16. O-O Rc8 17. Rfd1 Rd8 18. Bc4 Qxc4 19. Rxd6 Qc5 20. Qg3 Qd5 21. Nxd5 Nxd5 22. Qxe5+ Kf8 23. Qxd5 Kg8 24. Ne5 Rf8 25. Nxf7 Rc8 26. Nh6+ Kf8 27. Qf7# |
| 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 b6 18. Ba6 Qe3 19. fxe3 Rxc3 20. bxc3 Bc5 21. Qg5 O-O 22. Rxd7 h6 23. Qxe5 Bxe3+ 24. Kf1 Nxd7 25. Rxd7 Bc5 26. a4 Kh8 27. Qc7 f5 28. Rxg7 Be7 29. Rxe7 Rf7 30. Re8+ Kg7 31. Qg3+ Kf6 32. e5# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 97 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 O-O 20. exf5 Rc6 21. Rxc6 Qxc6 22. Nxe5 Qc7 23. f4 Qc5+ 24. Kh1 h6 25. Nd7 Nxd7 26. Rxd7 Qxf5 27. Rxa7 Qc2 28. Qe1 Qxb2 29. Bc4 Qc2 30. Rc7 Qf5 31. Rxf7 Qxf7 32. Bxf7+ Kxf7 33. Nd5 Re8 34. Qc3 b5 35. Qa5 Re4 36. Qc7+ Kf8 37. Qd6+ Kg8 38. Ne7+ Kf7 39. Qg6+ Kxe7 40. Qxe4+ Kf6 41. Qe5+ Kf7 42. Qxb5 Kf8 43. a4 g6 44. a5 Ke7 45. a6 Ke6 46. Qe5+ Kf7 47. a7 Kf8 48. a8=Q+ Kf7 49. Qae8# |
| 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 Rd8 18. Bc2 Bc6 19. Na4 Bxa4 20. Bxa4+ Ke7 21. Rd5 Qc7 22. b4 h6 23. R5d3 Qc4 24. Qg3 Qxe4 25. Re3 Ke6 26. Rxe4 Nd5 27. Rxe5+ Kf6 28. Rf5+ Kxf5 29. Rxd5+ Ke4 30. Re5+ Bxe5 31. Qxe5+ Kd3 32. Ne1+ Kc4 33. Qc5# |
| 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 Rd8 17. Rfd1 Qa5 18. Qg5 O-O 19. Bc4 Bb8 20. Rd3 Kh8 21. Qh4 h6 22. h3 Qc5 23. Bb5 g6 24. Qxf6+ Kg8 25. Rxd7 Rxd7 26. Rxd7 Bc7 27. Bf1 Qb6 28. Qxb6 Bxb6 29. Nxe5 Kg7 30. Bc4 Ba5 31. Nxf7 g5 32. Nxg5+ Kg6 33. Ne6 Rc8 34. Rg7+ Kf6 35. e5+ Kxe5 36. f4+ Kd6 37. Nb5+ Kc6 38. Nxa7+ Kb6 39. Nxc8+ Kc6 40. b4 Bb6+ 41. Kf1 Ba7 42. Rc7# |