| 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 Qc5 15. Nf3 Bd6 16. O-O Rc8 17. Be2 h6 18. Rfd1 Bf5 19. Rxd6 Bd7 20. Qg3 Be6 21. Qxg7 Ke7 22. Nh4 Rhd8 23. Ng6+ Ke8 24. Qf8# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 117 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 Ke7 21. Nf3 Qc6 22. Ng5 Nf6 23. Qb3 Rhf8 24. O-O h6 25. Rxd6 Qxd6 26. Nxf7 Qc6 27. Nxe5 Qxe4 28. Qb5 Rad8 29. Rc1 Ke6 30. Nf3 a6 31. Qb3+ Ke7 32. Re1 a5 33. Nd5+ Rxd5 34. Rxe4+ Kf7 35. Ne5+ Kg7 36. Qxb7+ Kg8 37. Re1 Rd2 38. Nxg6 Rfd8 39. Ne5 Rf8 40. b3 Ne8 41. Nf3 Rd6 42. Qb5 Nf6 43. Qxa5 Nd5 44. a4 Nf4 45. Qb4 Rg6 46. Qc4+ Kh7 47. Re7+ Kh8 48. g3 Nh3+ 49. Kg2 Nf4+ 50. Kf1 Nh5 51. Ne5 Rgf6 52. Nf7+ R6xf7 53. Rxf7 Rxf7 54. Qxf7 Ng7 55. a5 h5 56. a6 Nf5 57. a7 Ng7 58. a8=Q+ Ne8 59. Qaxe8# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 123 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 Ke7 21. Nh3 f6 22. b4 Qc6 23. O-O Rad8 24. Qb1 Ke8 25. Rc1 Bxb4 26. Rxc6 Bxd2 27. Qxb7 Bxe3 28. fxe3 Rf8 29. Qxa7 Rf7 30. Qa4 Rb8 31. Rc7 Re7 32. Qc2 h6 33. Rc8+ Rxc8 34. Qxc8+ Kf7 35. a4 Nb6 36. Qd8 Nd7 37. a5 Nf8 38. Qc8 Ne6 39. a6 Rc7 40. Qb8 Rc1+ 41. Kf2 Rc2+ 42. Kg3 Rc3 43. a7 Rxe3+ 44. Kf2 Ra3 45. Qb7+ Kg8 46. Qc8+ Kh7 47. a8=Q Rxa8 48. Qxa8 Ng7 49. Qd5 f5 50. Qxe5 fxe4 51. Qxe4 Nh5 52. g4 Kg7 53. gxh5 Kf6 54. Qxg6+ Ke7 55. Qxh6 Kd7 56. Qg7+ Kd6 57. h6 Kc5 58. h7 Kd5 59. Qg5+ Kd6 60. h8=Q Kc6 61. Qc8+ Kd6 62. Qgc5# |
| 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 Rc8 17. Rfd1 b6 18. Be2 Bc7 19. Nd5 Ba4 20. Nxf6+ gxf6 21. Qxf6 Rf8 22. Ng5 Qc6 23. Nxh7 Qa8 24. Qg7 Ke7 25. Rc1 Rce8 26. Qf6# |
| 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 Rd8 17. Bc4 Qxc4 18. Rxd6 Qb3 19. Qg3 Qa4 20. Nxa4 O-O 21. Rxf6 Bxa4 22. Nxe5 Rc8 23. Re1 Rc7 24. Rd6 Rc2 25. Rd4 Be8 26. Qb3 Rc7 27. Rd8 Re7 28. f4 b6 29. Red1 Re6 30. Nd7 Rxe4 31. Nxf8 Rxf4 32. Rxe8 h6 33. Ne6+ Kh7 34. Nxf4 h5 35. Qxf7 a6 36. Qxh5# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 69 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. Qg5 Rg8 20. Ba6 h6 21. Qg3 Rc6 22. Bb5 Rd6 23. Nd5 Nxd5 24. Bxd7+ Rxd7 25. exd5 Qe7 26. Re2 f6 27. Qg4 Bd6 28. Nh4 Qf7 29. Nf5 Bf8 30. Rc2 Bc5 31. b4 Qe6 32. dxe6 Kd8 33. Rxd7+ Kc8 34. Qe4 a5 35. Qb7# |
| 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 Rd8 17. Bc4 Qxc4 18. Rxd6 Qc5 19. Rxf6 b6 20. Nxe5 Qxe5 21. Rf3 Be6 22. Nd5 g5 23. Qh6 Rd6 24. Nc7+ Ke7 25. Nxe6 Rxe6 26. Qh5 f6 27. Rc3 a5 28. Rfc1 Rd6 29. Rc7+ Rd7 30. Rxd7+ Kxd7 31. Qf7+ Kd8 32. Qb7 Qc5 33. Rxc5 bxc5 34. Qb8+ Ke7 35. Qxh8 h5 36. Qxh5 a4 37. f4 gxf4 38. Qxc5+ Kf7 39. Kf2 Ke6 40. Qd5+ Ke7 41. Kf3 Kf8 42. Qd7 f5 43. exf5 Kg8 44. Kxf4 Kf8 45. f6 Kg8 46. Qg7# |
| 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 Rd8 17. Rfd1 h5 18. Bc4 Be7 19. Ba2 Rh6 20. Qg5 Nxe4 21. Qxg7 Re6 22. Bxe6 Nd6 23. Ne4 Bxe6 24. Nxc5 Bg4 25. Qh8+ Bf8 26. Qxe5+ Be7 27. Re1 Be6 28. Nxe6 Rc8 29. Nc7+ Rxc7 30. Qxd6 f6 31. Qxc7 Kf7 32. Rxe7+ Kf8 33. Qd8# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 117 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 Be7 16. Qg3 O-O-O 17. Rc2 Nxe4 18. Nxe4 Qxc2 19. Bxc2 f5 20. Nxe5 fxe4 21. Nf7 Rhg8 22. Qc3+ Bc6 23. Nxd8 Bf6 24. Qh3+ Kxd8 25. Qxh7 Re8 26. Qf5 e3 27. fxe3 Bxg2 28. Qa5+ Kc8 29. Rg1 Rxe3+ 30. Kf2 Re5 31. Qxa7 Bc6 32. Rc1 Bh4+ 33. Kf1 Bg5 34. Qa8+ Kc7 35. Rd1 Bb5+ 36. Bd3 Rf5+ 37. Kg2 Bc6+ 38. Kg3 Rd5 39. b4 Bf6 40. Be2 Be5+ 41. Kh3 Rxd1 42. Bxd1 Bd7+ 43. Bg4 Bxg4+ 44. Kxg4 Bxh2 45. Qf8 g6 46. Qg7+ Kd6 47. Qxg6+ Kd5 48. Qf7+ Kd6 49. Qxb7 Ke6 50. Qc8+ Ke7 51. Kf5 Be5 52. Kxe5 Kf7 53. Qe6+ Kg7 54. b5 Kf8 55. b6 Kg7 56. Qg4+ Kf7 57. b7 Ke8 58. Ke6 Kd8 59. b8=Q# |
| 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 b6 18. Bc4 Qe3 19. fxe3 Rxc4 20. Rxd6 Nxe4 21. Nxe4 O-O 22. Rxd7 Rc2 23. Rd8 f6 24. Nxf6+ Kf7 25. R8d7+ Ke6 26. R1d6+ Kf5 27. Qe4# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 101 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 Nd5 19. exd5 Qxf2+ 20. Rxf2 f5 21. Bxf5 Bxf5 22. Nxe5 Bxe5 23. Rxf5 Bd4+ 24. Kh1 Bxc3 25. Rxf8+ Rxf8 26. d6 Bb2 27. d7 Bxc1 28. Qc4+ Kh8 29. Qxc1 b6 30. Qc8 Kg8 31. Kg1 g6 32. Qxf8+ Kxf8 33. d8=Q+ Kf7 34. Qc7+ Kf6 35. Qxa7 b5 36. Qxh7 Kf5 37. Qb7 Kf4 38. Qxb5 Ke3 39. Qb6+ Ke4 40. Qxg6+ Ke5 41. Qg5+ Kd6 42. Kf2 Kd7 43. h4 Kd6 44. h5 Kc6 45. h6 Kd7 46. Ke3 Ke6 47. h7 Kd7 48. Kd4 Kd6 49. h8=Q Kc7 50. Qc5+ Kb7 51. Qhc8# |
| 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. Be2 Qe3 19. fxe3 Bxa3 20. bxa3 Be6 21. Nxe5 O-O 22. Nd5 Bxd5 23. exd5 Rc3 24. Qd4 Rxa3 25. d6 Ra5 26. Bc4 Rc5 27. d7 Rd8 28. Bxf7+ Kh8 29. Bb3 Rxe5 30. Qxe5 Rf8 31. d8=Q g5 32. Qxf8# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 109 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 h5 15. Nf3 Nxf2 16. Qxe5+ Be7 17. Rxf2 Qe3+ 18. Be2 Qc1+ 19. Bd1 f6 20. Qd4 a5 21. O-O Qf4 22. Nd5 Qd6 23. e5 Qc5 24. exf6 Qxd4 25. Nxd4 Bxf6 26. Re1+ Kd8 27. Nxf6 gxf6 28. Rxf6 Ra6 29. Rxa6 bxa6 30. Nb3 a4 31. Nc5 Re8 32. Rxe8+ Bxe8 33. Nxa6 Ke7 34. Nc5 Kf6 35. Bxa4 Bf7 36. b4 Ke5 37. Kf2 Kd4 38. g3 Bg6 39. Ne6+ Ke5 40. Nf4 Bf7 41. Ke3 h4 42. gxh4 Kf5 43. h5 Kf6 44. h6 Bc4 45. b5 Kf7 46. Kd4 Bf1 47. Bb3+ Kf6 48. Bc4 Ke7 49. Bxf1 Kf6 50. b6 Kf7 51. Bc4+ Kf8 52. Ng6+ Ke8 53. Be6 Kd8 54. h7 Ke8 55. h8=Q# |
| 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 Rc6 18. Bb5 Bf5 19. Bxc6+ bxc6 20. Rxd6 Ke7 21. exf5 Qxd6 22. Rxd6 Kxd6 23. Qg3 Ke7 24. Qxe5+ Kd7 25. Qd4+ Ke8 26. Qxa7 Ng4 27. Qb8+ Ke7 28. Qxh8 g6 29. fxg6 hxg6 30. Qh4+ Nf6 31. Ne4 c5 32. Qxf6+ Kd7 33. Ne5+ Kc7 34. Qc6+ Kb8 35. Nxc5 g5 36. Qb7# |
| 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 Qd4 14. Nge2 Qd6 15. Nb5 Bxb5 16. Bxb5+ Ke7 17. Nc3 a6 18. Rd1 Qb8 19. Bc4 Ke8 20. Bb3 Qc7 21. O-O Rd8 22. Rxd8+ Kxd8 23. Rc1 Ke8 24. Ne2 Qd6 25. Qc3 Be7 26. Qc8+ Bd8 27. Qxb7 a5 28. Qxf7# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 61 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 f5 20. Bc4+ Kh8 21. Nxe5 Be8 22. Rxd8 Bxd8 23. exf5 Rxf5 24. O-O b5 25. Bd3 Rh5 26. c4 bxc4 27. Bxc4 Rf5 28. Re1 Rf8 29. Nd3 Rxf2 30. Rxe8+ Rf8 31. Rxf8# |
| 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. Qg3 Ng4 14. b4 Rc8 15. Nf3 Bxb4 16. axb4 Qxb4 17. Kd2 Qc5 18. Ke2 Kd8 19. h3 Qb4 20. Ng5 Nh6 21. Qxe5 f6 22. Nd5 fxe5 23. Nxb4 a5 24. Nd5 Rxc1 25. Rxc1 b5 26. Rc5 Rf8 27. Bxb5 Nf7 28. Bxd7 Nxg5 29. Bf5 Ke8 30. Rc7 h6 31. Re7+ Kd8 32. Rd7+ Kc8 33. Ne7+ Kb8 34. Nc6+ Kc8 35. Rf7+ Ne6 36. Bxe6# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 107 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 Be7 16. Rb1 Rxc3 17. Rd1 Qe6 18. Qg5 Nxe4 19. Qxg7 Bf6 20. Qh6 Qa2 21. h4 Qxa3 22. O-O Qxb4 23. Qh5 Qe7 24. Bd3 Nd6 25. Rfe1 e4 26. Bxe4 Nxe4 27. Nd2 Rd3 28. Nxe4 Rxd1 29. Nxf6+ Kd8 30. Rxd1 Qxf6 31. Qd5 Qe6 32. Qxb7 Ke8 33. Qxa7 Rg8 34. Qa8+ Bc8 35. Rc1 Ke7 36. Rc7+ Kd8 37. Qa5 Rg3 38. Rc6+ Ke8 39. Rxe6+ Bxe6 40. fxg3 Kf8 41. Qg5 Ba2 42. h5 f5 43. h6 Be6 44. Qg7+ Ke8 45. Qxh7 f4 46. Qg6+ Bf7 47. Qg7 f3 48. gxf3 Bd5 49. h7 Bf7 50. h8=Q+ Kd7 51. Qg4+ Kc7 52. Qhc8+ Kb6 53. Qa4 Bd5 54. Qaa6# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 67 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+ Kxd7 17. Qg5 Rhg8 18. Nf3 Ke8 19. O-O Rd8 20. g3 Rd7 21. Qf5 b5 22. Rfd1 a6 23. Kh1 h6 24. Nd5 Nxd5 25. Rxd5 Qe3 26. fxe3 g6 27. Rxe5+ Kd8 28. Qf6+ Kc7 29. Rxd6 Rgd8 30. Rc5+ Kb7 31. Rb6+ Ka7 32. Rxa6+ Kb8 33. Qb6+ Rb7 34. Qxd8# |
| 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 Qc5 15. Nf3 Bd6 16. O-O Rc8 17. Rfd1 b6 18. Ba6 Nxe4 19. Nxe4 Bb8 20. Nxc5 Rxc5 21. Rxd7 f5 22. Qe7# |