| 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 Rd8 17. Rfd1 Bc6 18. Bc4 Qxc4 19. Rxd6 Rxd6 20. Rxd6 Bb5 21. Rd1 Qb3 22. Qg5 O-O 23. Qf5 Ba6 24. Rd2 Qc4 25. h3 Qf1+ 26. Kh2 Re8 27. Nxe5 Rd8 28. Rxd8+ Ne8 29. Rxe8# |
| 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 Rd8 15. Nf3 Nd5 16. Nxd4 Nxc3 17. Nf3 Be7 18. Qg3 O-O 19. bxc3 f6 20. Bc4+ Kh8 21. Nh4 a5 22. Ng6+ hxg6 23. Qh4# |
| 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. Bb5 Bxb5 19. Rxd6 Ba4 20. R1d2 Nxe4 21. Rd8+ Rxd8 22. Qxd8# |
| 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 b6 18. Be2 Bb8 19. Nd5 Bc6 20. Nxf6+ gxf6 21. Ba6 Ke7 22. Bxc8 Rxc8 23. Qxh7 Qc4 24. Nh4 Qxe4 25. Nf5+ Qxf5 26. Qxf5 Bf3 27. Qxc8 Bd6 28. Rxd6 Be4 29. Qd8# |
| 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 Rd8 17. Rfd1 Qa5 18. Bc4 Be7 19. Ng5 Rf8 20. Nxh7 Nxh7 21. Qxh7 f6 22. Qg6+ Rf7 23. Qxf7# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson 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. b4 Rc8 14. Nf3 Qd6 15. Be2 a5 16. O-O axb4 17. axb4 Qxb4 18. Qg3 Rc5 19. Nxe5 Qb3 20. Nxd7 Nxd7 21. Bb5 Qa2 22. Bxd7+ Kxd7 23. Rfd1+ Ke6 24. Qg4+ f5 25. exf5+ Kf6 26. Nxa2 Ra5 27. Nc3 Rxf5 28. Qh4+ |
| 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 Qc5 15. Nf3 Bd6 16. O-O Rc8 17. Be2 O-O 18. Rfd1 Be7 19. Qg3 Qe3 20. fxe3 Be6 21. Qxe5 Ng4 22. Qf4 Bxa3 23. Nd4 Nh6 24. Nxe6 fxe6 25. Qe5 Bc5 26. Qxe6+ Nf7 27. Rd3 Rc6 28. Qd7 Ne5 29. Qd5+ Nf7 30. Rf1 Bd6 31. Nb5 Be7 32. Nxa7 Rc7 33. Rc3 Rxc3 34. bxc3 Bg5 35. Rxf7 Rxf7 36. Bc4 Bxe3+ 37. Kh1 h6 38. Qxb7 Kh8 39. Qxf7 Kh7 40. e5 Bc5 41. Bd3+ Kh8 42. Qe8+ Bf8 43. Qxf8# |
| 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 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 g6 25. Re1 Bb6 26. Ng4 Bf7 27. Bxf7 Kg7 28. Be6 h6 29. Bxf5 Bxf2+ 30. Nxf2 Kf8 31. Qxg6 b5 32. Re8# |
| 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 Qc5 15. Nf3 Bd6 16. O-O Rc8 17. Rfd1 Rd8 18. Bc4 Qxc4 19. Rxd6 Nd5 20. Nxe5 Nxc3 21. Nxc4 Nxd1 22. Rxd1 f6 23. Qh5+ Ke7 24. Qc5+ Kf7 25. Nd6+ Kg6 26. Nxb7 Rc8 27. Qxa7 Rc7 28. Qb6 Rhc8 29. h3 Rc1 30. Rxc1 Rxc1+ 31. Kh2 Rd1 32. Nc5 h6 33. Qc7 Kg5 34. Qg3+ Kh5 35. Nxd7 g5 36. Nf8 f5 37. Qf3+ g4 38. Qxf5+ Kh4 39. Qxg4# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson in 105 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. Bb5 Qc7 18. Bxd7+ Nxd7 19. Qg4 O-O-O 20. Ne2 g6 21. O-O Kb8 22. Rfd1 Nf6 23. Qf3 Rxd2 24. Rxd2 Rd8 25. Rxd8+ Qxd8 26. Ng3 b6 27. h3 h5 28. Kh2 Kb7 29. Qb3 Qc7 30. f3 Qd7 31. Qc4 Qc7 32. Qb5 a6 33. Qd3 Qd7 34. Qc4 b5 35. Qb4 Kb6 36. Ne2 Qd1 37. Nc3 Qb1 38. Qd6+ Kb7 39. Nxb1 Ne8 40. Qd5+ Kb6 41. Qxe5 Nc7 42. Qf6+ Ka7 43. Qxf7 Kb7 44. Qxg6 b4 45. axb4 h4 46. Qf6 Kc8 47. Qxh4 Kd7 48. Qf6 Ne6 49. e5 Nc7 50. Qd6+ Kc8 51. e6 Nxe6 52. Qxe6+ Kb7 53. Qf7+ |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 99 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 Qc8 17. Nxe5 Bc6 18. Nxc6 bxc6 19. h3 Qe6 20. O-O g6 21. Qc7 Qd7 22. Qe5+ Qe7 23. Qxe7+ Bxe7 24. Rfd1 O-O 25. Bc4 Rxd2 26. Rxd2 Rd8 27. Rxd8+ Bxd8 28. e5 Nd7 29. f4 Bb6+ 30. Kf1 Kg7 31. Ke2 Bd4 32. Kd3 c5 33. b3 Nb6 34. g3 Nxc4 35. Kxc4 f5 36. Nd5 Kf7 37. b4 a6 38. bxc5 g5 39. Kxd4 gxf4 40. gxf4 Kg6 41. c6 a5 42. c7 Kh5 43. c8=Q Kh4 44. Qxf5 Kg3 45. e6 h6 46. e7 Kf2 47. e8=Q Kg3 48. Qe3+ Kg2 49. h4 Kf1 50. Qfh3# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 39 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 Qxa3 20. Nxf6# |
| 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 O-O-O 15. Nf3 Qc5 16. Qg3 Re8 17. O-O Nh5 18. Qh4 Nf4 19. Rc1 Be7 20. Qg3 f5 21. Na2 Nxd3 22. Rxd3 fxe4 23. Rxc5+ Bxc5 24. Rc3 exf3 25. Rxc5+ Bc6 26. Qxf3 Kb8 27. Qg3 Rhg8 28. Nb4 Ba4 29. Rxe5 Kc7 30. Rxe8+ Kd7 31. Rxg8 g6 32. Qe5 h5 33. Re8 Bc6 34. Qe7# |
| 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. 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 b5 25. Nxe5 O-O 26. Ra7 Bxd5 27. exd5 f6 28. Nc6 Rf7 29. Ra8+ Rf8 30. Rxa6 Kf7 31. Ra7+ Kg6 32. d6 b4 33. d7 b3 34. d8=Q Rxd8+ 35. Nxd8 h5 36. Ne6 Kf5 37. Nxg7+ Kf4 38. Rb7 h4 39. Rxb3 Kg5 40. Rb6 Kg4 41. Rxf6 Kg5 42. Rc6 Kf4 43. g3+ Kg5 44. gxh4+ Kxh4 45. Rg6 Kh3 46. Ke2 Kxh2 47. Kf3 Kh1 48. Kf2 Kh2 49. Rh6# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 95 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 O-O 18. Ba6 bxa6 19. Rxd6 Ba4 20. R1d3 Bc2 21. Rd2 Bb3 22. Rxa6 Rfe8 23. Rad6 Rc6 24. Rxc6 Qxc6 25. g3 h6 26. h3 a5 27. Kg2 Bc4 28. Ne1 Kh7 29. Nf3 Kg8 30. Kg1 Bb3 31. Kh1 Bc4 32. Kg2 Qc5 33. Kg1 Rb8 34. g4 Kf8 35. g5 hxg5 36. Qh8+ Ng8 37. Nxg5 f5 38. exf5 Rb5 39. Nce4 Qb6 40. Nh7+ Kf7 41. Nd6+ Qxd6 42. Rxd6 Ke7 43. Rd2 Kf7 44. Rd7+ Ke8 45. Qxg7 Rb6 46. Rc7 Rg6+ 47. fxg6 Bd5 48. Qd7# |
| 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 Qc5 15. Nf3 Bd6 16. O-O Rc8 17. Rfd1 b6 18. Be2 Bc7 19. Nd5 Qe3 20. Nxf6+ gxf6 21. fxe3 Ba4 22. Rc1 Ke7 23. Ba6 Bb3 24. Bxc8 Rxc8 25. Nxe5 Bxe5 26. Rxc8 h5 27. Qxh5 a5 28. Qh8 Ba4 29. Qd8+ Ke6 30. Qe8+ Bxe8 31. Rxe8# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 49 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 a6 18. Bc4 Qxc4 19. Rxd6 Qb3 20. Qg5 Qxb2 21. Qxe5+ Be6 22. Rxd8+ Kxd8 23. Qd4+ Ke8 24. Rd1 Bh3 25. Qd8# |
| 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. Ba6 Qd4 19. Nxd4 exd4 20. Bxc8 Bxc8 21. Rxd4 Be7 22. Nb5 O-O 23. Nxa7 Bb7 24. e5 Nd5 25. Qh5 Rd8 26. Nb5 g6 27. Qf3 Kg7 28. Rxd5 Rxd5 29. Rxd5 Kg8 30. Nd6 Bxd5 31. Qxd5 h5 32. Qxf7+ Kh8 33. Ne8 Bf8 34. Qxf8+ Kh7 35. Nf6# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 95 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 Nxd5 20. Rxd5 Qc7 21. Rxd7 Qxd7 22. Rxd7 Kxd7 23. Qg5 g6 24. Nxe5+ Bxe5 25. Qxe5 Rc1+ 26. Bf1 Rhc8 27. g3 R8c6 28. Qg7 Ke7 29. Qxh7 R6c2 30. Qh4+ Ke6 31. Qg5 Rb1 32. b4 Rbc1 33. Kg2 Rc7 34. Bb5 R7c3 35. Qd5+ Ke7 36. Qd7+ Kf8 37. Qxa7 R1c2 38. a4 f6 39. Qh7 Rc7 40. Qxg6 Ke7 41. Qe8+ Kd6 42. h4 Rc1 43. h5 R1c3 44. h6 Rb3 45. Qd8+ Ke6 46. Qxc7 f5 47. Bc4+ Kf6 48. Qg7# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 89 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 Nxd5 19. Bc4 Bg7 20. Rxd5 Bxe5 21. Rxe5+ Be6 22. Bd5 O-O 23. O-O Bxd5 24. Rxd5 Qxg3 25. hxg3 Rfe8 26. Rc1 Rxd5 27. exd5 f5 28. d6 Rd8 29. Rc7 Rxd6 30. Rxb7 Rd3 31. Rxa7 Rd1+ 32. Kh2 Rd2 33. b4 Rxf2 34. b5 Rb2 35. a4 h5 36. Rb7 Ra2 37. b6 Kf8 38. Ra7 f4 39. gxf4 Rb2 40. b7 g5 41. fxg5 Rb4 42. Ra8+ Kf7 43. b8=Q Rd4 44. Qe8+ Kg7 45. Qg8# |