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| ECO A83-4636 play it pgn download ziegler vs duhast black wins by checkmate in 52 moves | 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 Nc6 5. Bb5 a6 6. Nh3 axb5 7. Bxf6 exf6 8. d5 Ne5 9. Nxe4 Ra4 10. Qe2 c6 11. Nc3 Bb4 12. f4 cxd5 13. Qxb5 Bxc3+ 14. bxc3 Re4+ 15. Kf2 Ng4+ 16. Kg3 h5 17. Qxd5 Re3+ 18. Kh4 Ne5 19. Qxe5+ fxe5+ 20. Ng5 d5 21. g3 exf4 22. Rae1 Qe7 23. Rxe3 fxe3 24. Re1 Rh6 25. c4 Rg6 26. Rh1 Qxg5# |
| ECO A83-4635 play it pgn download ziegler vs duhast black wins by checkmate in 124 moves | 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 Nc6 5. Bb5 a6 6. Nh3 axb5 7. Bxf6 exf6 8. d5 Ne5 9. Nxe4 Ra4 10. Qe2 c6 11. f4 g5 12. fxe5 Rxe4 13. Qxe4 Qe7 14. O-O cxd5 15. Qxd5 Qc5+ 16. Qxc5 Bxc5+ 17. Kh1 g4 18. exf6 gxh3 19. f7+ Kf8 20. Rae1 hxg2+ 21. Kxg2 Be7 22. a3 d6 23. c3 Bd7 24. Kg3 h5 25. Rf3 d5 26. h4 Bd6+ 27. Kg2 Rh7 28. Rf6 Rg7+ 29. Kf3 Rxf7 30. Rxf7+ Kxf7 31. Ke3 Bc5+ 32. Kf4 Kf6 33. Re2 Be6 34. Rd2 Bd6+ 35. Ke3 Ke5 36. Re2 Bf5 37. Re1 Bc5+ 38. Kf3+ Be4+ 39. Kg3 d4 40. cxd4+ Bxd4 41. Re2 Bc5 42. Rd2 Bd6 43. Kf2 b4 44. a4 b3 45. Rd1 Bc6 46. Ra1 Bc5+ 47. Kg3 Bd4 48. Rd1 Ke4 49. Re1+ Kd3 50. Rd1+ Ke3 51. Rxd4 Kxd4 52. Kf2 Kd3 53. a5 Kc2 54. Ke3 Kxb2 55. Kf2 Kc3 56. Ke2 b2 57. Kd1 b1=Q+ 58. Ke2 Qd3+ 59. Kf2 Qd4+ 60. Kg3 Qe3+ 61. Kh2 Qf3 62. a6 Qg2# |
| ECO A83-4634 play it pgn download ziegler vs duhast black wins by checkmate in 84 moves | 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 Nc6 5. Bb5 a6 6. Nh3 axb5 7. Bxf6 exf6 8. d5 Ne5 9. Nxe4 Ra4 10. Qe2 Be7 11. f4 Nf7 12. Nc3 Rd4 13. O-O O-O 14. Rad1 Bc5 15. Kh1 b4 16. Ne4 Re8 17. Rxd4 Bxd4 18. c3 bxc3 19. Qd3 Ba7 20. Nxc3 d6 21. Nb5 Bc5 22. Nf2 c6 23. Nc3 g6 24. Nfe4 Bf5 25. dxc6 bxc6 26. Qc4 d5 27. Qxc5 dxe4 28. Qxc6 e3 29. Re1 Re6 30. Qc4 Qd2 31. Qf1 Bd3 32. Qg1 e2 33. f5 Bxf5 34. a4 Qxb2 35. Nb5 Re7 36. Nd4 Bd3 37. a5 Qd2 38. Nc6 Rd7 39. h4 Bb5 40. Qb6 Qxe1+ 41. Kh2 Qxh4+ 42. Kg1 e1=Q# |
| ECO A83-4633 play it pgn download ziegler vs duhast black wins by checkmate in 98 moves | 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 Nc6 5. Bb5 a6 6. Nh3 axb5 7. Bxf6 exf6 8. d5 Ne5 9. Nxe4 Ra4 10. Qe2 Be7 11. O-O O-O 12. d6 cxd6 13. b3 Ra6 14. f4 Qb6+ 15. Kh1 Nc6 16. Nc3 Rf7 17. Nxb5 d5 18. Rfd1 d4 19. Qd3 d5 20. Nxd4 Nb4 21. Qe2 Rxa2 22. Rxa2 Nxa2 23. Qe3 Qc5 24. Nf2 Qc3 25. Rd3 Qb2 26. Qe1 Bd7 27. c3 Bc5 28. Nd1 Qb1 29. Qd2 Nc1 30. Rg3 Nxb3 31. Nxb3 Qxb3 32. Rd3 Bc6 33. Nb2 Re7 34. h3 Qa2 35. Nd1 Qc4 36. Nb2 Qe4 37. Nd1 h5 38. Kh2 g6 39. Kh1 Kg7 40. Kh2 b6 41. Kg3 Bg1 42. Rf3 g5 43. h4 Qe6 44. f5 Qe5+ 45. Qf4 gxf4+ 46. Rxf4 Kh6 47. Nb2 d4 48. Kh3 Qxf4 49. g4 hxg4# |
| ECO A83-4632 play it pgn download ziegler vs duhast white wins by checkmate in 47 moves | 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 Nc6 5. Bb5 a6 6. Nh3 axb5 7. Bxf6 exf6 8. d5 Ne5 9. Nxe4 Ra4 10. Qe2 g6 11. f4 c5 12. fxe5 fxe5 13. O-O Ra6 14. Nhg5 Qe7 15. Rf7 Qxf7 16. Nxf7 Kxf7 17. Ng5+ Ke8 18. Qxe5+ Re6 19. dxe6 Rg8 20. Qc7 dxe6 21. Rd1 Bd6 22. Rxd6 Bd7 23. Qxd7+ Kf8 24. Nxe6# |
| ECO A83-4631 play it pgn download ziegler vs duhast black wins by checkmate in 108 moves | 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 Nc6 5. Bb5 a6 6. Nh3 axb5 7. Bxf6 exf6 8. d5 Ne5 9. Nxe4 Ra4 10. Nc3 Bb4 11. O-O Bxc3 12. bxc3 O-O 13. f4 Nc4 14. Re1 d6 15. Nf2 Re8 16. Rxe8+ Qxe8 17. Qd3 Qh5 18. Qe4 Qf7 19. Nd3 g6 20. Re1 Bf5 21. Qe8+ Qxe8 22. Rxe8+ Kf7 23. Rh8 Kg7 24. Re8 Rxa2 25. Re7+ Kh6 26. Nb4 Ra1+ 27. Kf2 c5 28. dxc6 bxc6 29. Nxc6 Ra3 30. Nd4 Rxc3 31. g3 Bg4 32. Rb7 Na3 33. Rf7 f5 34. Rd7 b4 35. Rxd6 Nxc2 36. Nc6 Rf3+ 37. Ke2 Rxg3+ 38. Kd2 Rg2+ 39. Kd3 Rxh2 40. Ne5 Kh5 41. Rd7 h6 42. Rg7 b3 43. Kc3 Na1 44. Rxg6 b2 45. Rb6 Rc2+ 46. Kd3 Bh3 47. Ke3 Rh2 48. Nd7 Nc2+ 49. Kf3 Bf1 50. Ne5 Nd4+ 51. Ke3 Nb5 52. Ra6 b1=Q 53. Rxh6+ Kxh6 54. Nd3 Qxd3# |
| ECO A83-4630 play it pgn download ziegler vs duhast black wins by checkmate in 96 moves | 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 Nc6 5. Bb5 a6 6. Nh3 axb5 7. Bxf6 exf6 8. d5 Ne5 9. Nxe4 Ra4 10. Qe2 c6 11. O-O cxd5 12. Nc3 Ra5 13. Rfd1 Be7 14. Nxd5 O-O 15. b4 Ra6 16. Qxb5 Rc6 17. Rac1 Re8 18. c4 Bf8 19. f4 Ng4 20. c5 d6 21. Qc4 Kh8 22. Qb5 dxc5 23. bxc5 Be6 24. Ne3 Qa8 25. Re1 Nxe3 26. Rxe3 Qxa2 27. Kh1 Qd2 28. Rce1 Bxh3 29. Qe2 Qxe3 30. Qxe3 Rxe3 31. Rxe3 Re6 32. Rxe6 Bxe6 33. c6 bxc6 34. g3 Bh3 35. g4 g5 36. fxg5 fxg5 37. Kg1 Bd6 38. Kh1 c5 39. Kg1 c4 40. Kf2 Bxg4 41. h3 Bf4 42. hxg4 c3 43. Kf1 c2 44. Kf2 c1=Q 45. Ke2 Qe3+ 46. Kf1 Qf3+ 47. Kg1 Qe2 48. Kh1 Qf1# |
| ECO A83-4629 play it pgn download ziegler vs duhast black wins by checkmate in 52 moves | 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 Nc6 5. Bb5 a6 6. Nh3 axb5 7. Bxf6 exf6 8. O-O f5 9. f3 Bb4 10. fxe4 Bxc3 11. bxc3 fxe4 12. Rf3 exf3 13. Qxf3 Qe7 14. Kh1 Kd8 15. Qd5 Qe3 16. Ng5 Rf8 17. Nxh7 Qxc3 18. Qg5+ Ne7 19. Rc1 Rf7 20. Qxe7+ Rxe7 21. h3 Rxa2 22. Rf1 Qxc2 23. Rf8+ Re8 24. Rxe8+ Kxe8 25. Nf6+ gxf6 26. g3 Qd1# |
| ECO A83-4628 play it pgn download ziegler vs duhast black wins by checkmate in 48 moves | 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 Nc6 5. Bb5 a6 6. Nh3 axb5 7. Bxf6 exf6 8. d5 Ne5 9. Nxe4 Ra4 10. Qe2 c6 11. O-O cxd5 12. Nc3 Rc4 13. f4 Bc5+ 14. Kh1 d6 15. Qe4 dxe4 16. fxe5 Bxh3 17. gxh3 fxe5 18. Rac1 Rf8 19. Rxf8+ Kxf8 20. Rf1+ Kg8 21. Nxb5 Rxc2 22. Na3 Qf6 23. Rf5 Qxf5 24. b3 Qf3# |
| ECO A83-4627 play it pgn download ziegler vs duhast white wins by checkmate in 55 moves | 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 Nc6 5. Bb5 a6 6. Nh3 axb5 7. Bxf6 exf6 8. d5 Ne5 9. Nxe4 Ra4 10. Qe2 g6 11. Nc3 Rd4 12. f4 b4 13. Ne4 Rxd5 14. O-O Rd3 15. cxd3 d5 16. Nef2 Bxh3 17. Nxh3 Bc5+ 18. Kh1 Bd4 19. fxe5 fxe5 20. Qf3 Qd6 21. Qf7+ Kd8 22. Rac1 Kc8 23. Qg7 Rd8 24. Rf7 c6 25. Rxb7 Rd7 26. Rxd7 Qe6 27. Re7 Bxb2 28. Qf8# |
| ECO A83-4626 play it pgn download ziegler vs duhast black wins by checkmate in 138 moves | 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 Nc6 5. Bb5 a6 6. Nh3 axb5 7. Bxf6 exf6 8. d5 Ne5 9. Nxe4 Ra4 10. Qe2 Rd4 11. c3 Rxd5 12. Nf4 Rd6 13. Nxd6+ Bxd6 14. O-O O-O 15. Qxb5 c6 16. Qb3+ Kh8 17. Qa4 Bc7 18. Rae1 g5 19. Nh5 d5 20. Ng3 Nd3 21. Re2 Nf4 22. Ree1 Bd6 23. b3 Bd7 24. Kh1 Qb6 25. Qd4 Qa6 26. Qd2 Nd3 27. Rd1 Nc5 28. Rfe1 b6 29. b4 Na4 30. Qe2 Qxe2 31. Nxe2 Kg7 32. f3 Nb2 33. Rd2 Nc4 34. Rdd1 Ra8 35. Ra1 Ra3 36. Reb1 Ne3 37. Rb3 Ra4 38. Nd4 Kf7 39. Kg1 Nc4 40. g3 h5 41. Kg2 h4 42. Kf2 hxg3+ 43. hxg3 g4 44. Rbb1 gxf3 45. Nxf3 Kg7 46. Rc1 Ra3 47. Rc2 Kf7 48. Re1 Bf5 49. Rce2 Rxc3 50. Kg2 Bxb4 51. Nd4 Bd3 52. Nxc6 Bxe2 53. Nxb4 Bf3+ 54. Kf2 d4 55. Ra1 d3 56. Kxf3 d2+ 57. Nd3 Rxd3+ 58. Ke2 Rxg3 59. Rf1 Ke6 60. Ra1 Re3+ 61. Kf2 b5 62. Rf1 Kd5 63. a3 Kd4 64. Rg1 Nb2 65. Rg4+ Re4 66. Rg6 d1=Q 67. Rg7 Re2+ 68. Kg3 Qg1+ 69. Kf3 Rf2# |
| ECO A83-4625 play it pgn download ziegler vs duhast black wins by checkmate in 104 moves | 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 Nc6 5. Bb5 a6 6. Nh3 axb5 7. Bxf6 exf6 8. d5 Ne5 9. Nxe4 Ra4 10. Nc3 Bb4 11. f4 Bxc3+ 12. bxc3 Nc4 13. Qe2+ Qe7 14. Qxe7+ Kxe7 15. Kf2 Kd6 16. Rhd1 Nb6 17. Rab1 Rxa2 18. Rd2 Kc5 19. Rbd1 c6 20. dxc6 bxc6 21. Kg3 Nc4 22. Re2 d5 23. Nf2 Ra3 24. Nd3+ Kd6 25. Kh4 Rxc3 26. h3 Bf5 27. g4 Be4 28. Ne1 Rg8 29. f5 g5+ 30. fxg6 hxg6 31. Nd3 Bf3 32. Rde1 Bxe2 33. Rxe2 Ne5 34. Kg3 Nxd3 35. cxd3 Rxd3+ 36. Kg2 b4 37. Rf2 Rf8 38. h4 b3 39. h5 gxh5 40. gxh5 f5 41. Kf1 Rh3 42. Rb2 Rg8 43. Rd2 Rh1+ 44. Kf2 Rh2+ 45. Ke3 Re8+ 46. Kd4 c5+ 47. Kc3 Re3+ 48. Rd3 Rxd3+ 49. Kxd3 f4 50. h6 b2 51. h7 b1=Q+ 52. Kc3 Qc2# |
| ECO A83-4624 play it pgn download ziegler vs duhast black wins by checkmate in 72 moves | 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 Nc6 5. Bb5 a6 6. Nh3 axb5 7. Nf4 Ra5 8. Bxf6 exf6 9. Qh5+ g6 10. Nxg6 hxg6 11. Qxh8 d5 12. Qg8 Ne7 13. Qh8 b4 14. Ne2 Qd6 15. O-O Bg4 16. Ng3 Qf4 17. h3 Bd7 18. Rfe1 Qh6 19. Qxh6 Bxh6 20. Kh1 c5 21. Red1 c4 22. Ne2 Nf5 23. Kg1 Ba4 24. b3 Bb5 25. bxc4 Bxc4 26. Kf1 Ra3 27. Ke1 Nh4 28. g3 Nf3+ 29. Kf1 Rc3 30. a3 Rxc2 31. Kg2 Bxe2 32. Rdb1 Be3 33. Rxb4 Bc4 34. h4 Rxf2+ 35. Kh3 Rh2+ 36. Kg4 f5# |
| ECO A83-4623 play it pgn download ziegler vs duhast black wins by checkmate in 126 moves | 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 Nc6 5. Bb5 a6 6. Nh3 axb5 7. Bxf6 exf6 8. d5 Ne5 9. Nxe4 Ra4 10. Qe2 g6 11. O-O Rd4 12. f4 Rxd5 13. fxe5 Rxe5 14. Rae1 Kf7 15. Qf2 Rf5 16. Qd4 d5 17. Rxf5 Bxf5 18. b4 Bxe4 19. c3 Bd6 20. Nf2 Be5 21. Qc5 b6 22. Qxb5 Qe8 23. Qf1 Kg7 24. Nxe4 dxe4 25. Re3 Qc6 26. Qe1 Ra8 27. Qa1 Ra3 28. Qe1 Rxc3 29. Rxc3 Qxc3 30. Qxe4 Qa1+ 31. Kf2 Qxa2+ 32. Kf1 Qa1+ 33. Ke2 Bd6 34. h3 Qc3 35. b5 Qb2+ 36. Kf1 Qxb5+ 37. Qe2 Qg5 38. Qe4 Bc5 39. Ke2 Qc1 40. Qd3 Qb2+ 41. Qd2 Qe5+ 42. Kd1 Qf5 43. Ke2 g5 44. Kd1 c6 45. Ke1 Qe4+ 46. Qe2 Qb4+ 47. Qd2 Qh4+ 48. Kd1 Qe4 49. Qc2 f5 50. Qxe4 fxe4 51. g3 e3 52. Kc1 Kf6 53. Kc2 Ke5 54. Kd3 h5 55. g4 hxg4 56. hxg4 Kf4 57. Ke2 Kxg4 58. Kd1 Kf3 59. Kc2 e2 60. Kb3 e1=Q 61. Kc4 Qb4+ 62. Kd3 Qb2 63. Kc4 Qc2# |
| ECO A83-4622 play it pgn download ziegler vs duhast black wins by checkmate in 98 moves | 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 Nc6 5. Bb5 a6 6. Nh3 axb5 7. Bxf6 exf6 8. d5 Ne5 9. Nxe4 Ra4 10. Qe2 Be7 11. f4 Nf7 12. Nc3 Rd4 13. O-O O-O 14. Rad1 Bc5 15. Kh1 c6 16. Rxd4 Bxd4 17. Qd3 Qb6 18. Rd1 Bxc3 19. Qxc3 d6 20. Qf3 Bf5 21. c3 Re8 22. Nf2 Re3 23. Qh5 g6 24. Qh4 Re2 25. Ng4 Bxg4 26. Qxg4 Qf2 27. Qg3 Qxg3 28. hxg3 Rxb2 29. Re1 Kf8 30. dxc6 bxc6 31. a4 bxa4 32. Ra1 Nh6 33. Rc1 a3 34. Kh2 a2 35. Ra1 d5 36. g4 Nxg4+ 37. Kh3 f5 38. Kh4 Ne3 39. g4 Nc2 40. Rxa2 Rxa2 41. gxf5 gxf5 42. Kg5 Ne3 43. Kf6 Ra4 44. Kg5 d4 45. cxd4 Rxd4 46. Kh4 Rxf4+ 47. Kg3 Rf1 48. Kh2 f4 49. Kh3 Rh1# |
| ECO A83-4621 play it pgn download ziegler vs duhast black wins in 56 moves | 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 Nc6 5. Bb5 a6 6. Nh3 axb5 7. Nf4 Ra5 8. Nxe4 d5 9. Bxf6 exf6 10. Qh5+ g6 11. Rc1 gxh5 12. Nxd5 Be7 13. Ndc3 Nxd4 14. a3 b4 15. axb4 Nxc2+ 16. Ke2 Nd4+ 17. Ke3 Bxb4 18. Rhd1 Nf5+ 19. Ke2 Qe7 20. f3 Qe5 21. Rd3 Be6 22. b3 O-O 23. Kf1 Qxh2 24. Rb1 Nh4 25. Rb2 Ra1+ 26. Ke2 Qxg2+ 27. Nf2 Qf1+ 28. Ke3 Bc5+ |
| ECO A83-4620 play it pgn download ziegler vs duhast black wins by checkmate in 96 moves | 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 Nc6 5. Bb5 a6 6. Nh3 |