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| ECO C20-4126 play it pgn download doofy vs chessboy white wins by checkmate in 89 moves | 1. e4 e5 2. h3 Nf6 3. Nc3 d5 4. exd5 Nxd5 5. Qh5 Nc6 6. Bb5 Qd6 7. Nf3 Nb4 8. Kd1 a6 9. Nxe5 g6 10. Qe2 Be6 11. Nxc6 Nxc6 12. Ne4 Qe5 13. Bxc6+ bxc6 14. c3 f5 15. Ng3 Qxe2+ 16. Nxe2 Bd5 17. f3 Bd6 18. Re1 O-O 19. b3 Rae8 20. d4 Kh8 21. Bh6 Rg8 22. c4 Bf7 23. c5 Be7 24. Bf4 Bf6 25. Bxc7 Bd5 26. Kc2 Rg7 27. Bd6 Rb7 28. Nf4 Be5 29. Nxd5 cxd5 30. Rxe5 Rc8 31. g4 fxg4 32. fxg4 Rf7 33. Rxd5 Rf2+ 34. Kd3 Rf3+ 35. Kc4 Rxh3 36. Be5+ Kg8 37. Rd7 Kf8 38. Ra7 Rc6 39. Rf1+ Rf6 40. Rxf6+ Kg8 41. Ra8+ Kg7 42. Rb6+ Kh6 43. Bf4+ Kg7 44. Ra7+ Kh8 45. Rb8# |
| ECO C20-4125 play it pgn download doofy vs chessboy black wins by checkmate in 116 moves | 1. e4 e5 2. h3 Nf6 3. Nc3 d5 4. d4 Nxe4 5. Nxe4 dxe4 6. dxe5 Qxd1+ 7. Kxd1 Bc5 8. f3 Nc6 9. fxe4 Be6 10. Nf3 O-O-O+ 11. Bd2 Be3 12. Kc1 Bxd2+ 13. Nxd2 Nxe5 14. Nf3 f6 15. Nxe5 fxe5 16. Bd3 Rhf8 17. Rf1 Rxf1+ 18. Bxf1 Rf8 19. Bb5 Rf2 20. g4 Rh2 21. Bf1 Bc4 22. Bxc4 Rh1+ 23. Kd2 Rxa1 24. Bd5 Rh1 25. Be6+ Kd8 26. g5 Ke7 27. Bc8 Rh2+ 28. Kd3 b5 29. a3 Rg2 30. h4 Rh2 31. c4 c6 32. Bb7 Rxh4 33. Bxc6 Rh3+ 34. Kd2 bxc4 35. Bd5 Rg3 36. Bxc4 Rxg5 37. Ke3 h5 38. Kf3 h4 39. Bf1 Rg3+ 40. Kf2 Rb3 41. Kg2 Kf6 42. Ba6 Rxb2+ 43. Kh3 Kg5 44. Bc4 a5 45. a4 Rb4 46. Bb5 Rxe4 47. Kh2 Rd4 48. Kh3 e4 49. Kg2 Rd2+ 50. Kf1 h3 51. Ke1 Rc2 52. Kd1 Rg2 53. Bf1 Rg1 54. Ke2 h2 55. Kf2 h1=Q 56. Bc4 Kf4 57. Bf1 Rxf1+ 58. Ke2 Qg2# |
| ECO C20-4124 play it pgn download doofy vs chessboy black wins in 116 moves | 1. e4 e5 2. h3 Bc5 3. Bc4 Nf6 4. Nc3 c6 5. Nf3 b5 6. Bb3 b4 7. Na4 Nxe4 8. Nxc5 Nxc5 9. d4 Nxb3 10. axb3 e4 11. Qe2 d5 12. Bf4 O-O 13. Nd2 Qf6 14. Qe3 c5 15. Be5 Qg6 16. Bg3 cxd4 17. Qxd4 Be6 18. O-O Nc6 19. Qc5 Rac8 20. c3 h6 21. cxb4 Qf6 22. Bd6 Rfd8 23. Rad1 Qxb2 24. Be7 Nxe7 25. Qxe7 Rd7 26. Qh4 Rb7 27. Rfe1 Rxb4 28. Qe7 Rd4 29. Nf1 Rxd1 30. Rxd1 a5 31. Qb7 Rc2 32. Qb6 Kh7 33. Qe3 Rc3 34. Rb1 Rxe3 35. Rxb2 Re1 36. Ra2 d4 37. Rc2 Bxb3 38. Rc6 d3 39. Rd6 Bd1 40. f4 Be2 41. Kf2 Rxf1+ 42. Ke3 Re1 43. Kf2 Rc1 44. Ke3 a4 45. Rd4 Bf1 46. Rxa4 Re1+ 47. Kd2 Re2+ 48. Kd1 d2 49. Rd4 e3 50. Kc2 Bxg2 51. Rb4 Re1 52. Rb5 d1=Q+ 53. Kb2 Qa1+ 54. Kc2 Be4+ 55. Kb3 Rb1+ 56. Kc4 Rc1+ 57. Kb4 Qc3+ 58. Ka4 Qd4+ |
| ECO C20-4123 play it pgn download doofy vs chessboy white wins in 111 moves | 1. e4 e5 2. h3 Nf6 3. Nc3 d5 4. d4 Nxe4 5. Nxe4 dxe4 6. dxe5 Qxd1+ 7. Kxd1 Bc5 8. f3 O-O 9. fxe4 Rd8+ 10. Bd3 Nc6 11. Nf3 Nb4 12. Ke2 Be6 13. Bg5 Rd7 14. a3 Nc6 15. Be3 Be7 16. Rad1 Rad8 17. Kf2 b5 18. Be2 Rxd1 19. Rxd1 Rxd1 20. Bxd1 a6 21. c3 Kf8 22. a4 h6 23. axb5 axb5 24. Be2 b4 25. cxb4 Bxb4 26. Bb5 Nd8 27. Nd4 Ba2 28. Kf3 Ne6 29. Nc6 Be1 30. b4 Bb3 31. g4 Bh4 32. Nd4 Bd1+ 33. Be2 Ng5+ 34. Bxg5 Bxe2+ 35. Kxe2 Bxg5 36. Kd3 Ke7 37. Nf5+ Kf8 38. b5 Bc1 39. Kd4 g6 40. Ne3 Ke7 41. Nd5+ Kd7 42. Nb4 Ke6 43. Nd3 Bg5 44. Nc5+ Ke7 45. Kd5 Be3 46. Na6 Bb6 47. Nb4 Bf2 48. Nd3 Bg1 49. Kc6 Bh2 50. Kxc7 Ke6 51. b6 f5 52. exf5+ gxf5 53. b7 Bg3 54. b8=Q fxg4 55. Qe8+ Kd5 56. Qc6+ |
| ECO C20-4122 play it pgn download doofy vs chessboy white wins by checkmate in 65 moves | 1. e4 e5 2. h3 Nf6 3. Nc3 d5 4. d4 Nxe4 5. Nxe4 dxe4 6. dxe5 Qxd1+ 7. Kxd1 Bc5 8. f3 exf3 9. Nxf3 Nc6 10. Bb5 Bd7 11. Bd2 a6 12. Bc4 O-O 13. Rf1 Rae8 14. Re1 Be6 15. Re4 b5 16. Bxe6 Rxe6 17. a4 Rd8 18. Kc1 h6 19. axb5 axb5 20. c3 Kh7 21. Rf4 Rd7 22. Rf5 b4 23. c4 g6 24. Rf6 Nxe5 25. Rxe6 Nd3+ 26. Kc2 fxe6 27. Ra6 Bb6 28. Ra8 Kg7 29. Re8 Rd6 30. Re7+ Kf6 31. Rh7 h5 32. g4 Nxb2 33. Bg5# |
| ECO C20-4121 play it pgn download doofy vs chessboy white wins by checkmate in 103 moves | 1. e4 e5 2. h3 Nf6 3. Nc3 d5 4. exd5 Nxd5 5. Qh5 Nc6 6. Bb5 Qd6 7. Nf3 Be6 8. Ne4 Qb4 9. Bxc6+ bxc6 10. Qxe5 O-O-O 11. O-O Qe7 12. d3 f6 13. Qd4 Nb6 14. Qc3 Bd5 15. Qa5 Kb8 16. Re1 Qb4 17. Qxb4 Bxb4 18. c3 Bd6 19. a4 Rhe8 20. a5 Nd7 21. b4 f5 22. Bg5 fxe4 23. Bxd8 Rxd8 24. dxe4 Bc4 25. e5 Be7 26. e6 Nf8 27. Ne5 Bc5 28. bxc5 Nxe6 29. Nxc4 Nxc5 30. Re7 Rg8 31. Ne5 Ne4 32. a6 Nxc3 33. Nxc6+ Kc8 34. Nxa7+ Kd8 35. Nc6+ Kc8 36. a7 Kb7 37. Rxg7 Ra8 38. Na5+ Kb6 39. Nc4+ Kb7 40. Rxh7 Rxa7 41. Nd6+ Kc6 42. Rxa7 Kxd6 43. Raxc7 Nd5 44. Rcd7+ Ke6 45. g4 Nc3 46. Kg2 Na4 47. f4 Nc3 48. Rhe7+ Kf6 49. Kf3 Nb5 50. g5+ Kg6 51. Re6+ Kf5 52. Rf6# |
| ECO C20-4120 play it pgn download doofy vs chessboy white wins by checkmate in 75 moves | 1. e4 e5 2. h3 Nf6 3. Nc3 d5 4. exd5 Nxd5 5. Qh5 Nc6 6. Bb5 Nxc3 7. Qxe5+ Qe7 8. Qxe7+ Bxe7 9. bxc3 Bd7 10. d4 a6 11. Bd3 O-O 12. Nf3 Rae8 13. O-O Bd6 14. Ng5 g6 15. Ne4 f6 16. Nxd6 cxd6 17. Ba3 Rf7 18. Bc4 b5 19. Bxf7+ Kxf7 20. Bxd6 Bf5 21. a4 bxa4 22. Rxa4 Re6 23. Bc5 Bxc2 24. Raa1 Bd3 25. Rfd1 Bc4 26. Rdb1 g5 27. Rb7+ Kg6 28. Kh2 Re2 29. Rc7 Re6 30. Rb1 h5 31. Rb6 Nd8 32. d5 Be2 33. dxe6 Nxe6 34. Rxe6 Bc4 35. Rd6 h4 36. Bd4 a5 37. Rxf6+ Kh5 38. Rh7# |
| ECO C20-4119 play it pgn download doofy vs chessboy black wins by checkmate in 84 moves | 1. e4 e5 2. h3 Nf6 3. Nc3 d5 4. d4 Nxe4 5. Nxe4 dxe4 6. dxe5 Qxd1+ 7. Kxd1 Bc5 8. f3 Nc6 9. Bb5 Bf5 10. Bg5 h6 11. Bxc6+ bxc6 12. Bf4 O-O-O+ 13. Kc1 g5 14. Bd2 Rhe8 15. fxe4 Bxe4 16. Nf3 Bxf3 17. gxf3 Rxe5 18. b4 Bf2 19. Rb1 Re2 20. Bc3 Rd6 21. a4 Re3 22. Rf1 Rxf3 23. Kb2 f5 24. Be5 Rd2 25. Rh1 c5 26. b5 Re2 27. Bf6 Bd4+ 28. Bxd4 cxd4 29. Rbf1 Rc3 30. Rxf5 Rcxc2+ 31. Kb3 Rc3+ 32. Kb4 Rb2+ 33. Ka5 d3 34. Rf6 d2 35. Rf5 Rxh3 36. Rxh3 d1=Q 37. Rc3 Qd6 38. Rf8+ Qxf8 39. Ka6 Qb4 40. Ra3 Qd6+ 41. Kxa7 Qxa3 42. b6 Qxa4# |
| ECO C20-4118 play it pgn download doofy vs chessboy black wins in 90 moves | 1. e4 e5 2. h3 Bc5 3. Nf3 Nc6 4. Nc3 Nge7 5. Nxe5 Nxe5 6. d4 Bxd4 7. Qxd4 N7c6 8. Qd5 d6 9. Be3 O-O 10. O-O-O Re8 11. f4 Ng6 12. Qh5 Bd7 13. g4 a5 14. Bc4 Be6 15. Bb5 Bd7 16. Rhf1 Qe7 17. b3 b6 18. Kb1 Kh8 19. Rfe1 Rab8 20. a3 Rf8 21. Rd2 Rfe8 22. g5 Ra8 23. Nd5 Qd8 24. f5 Nge5 25. f6 Rg8 26. fxg7+ Rxg7 27. Nf6 Nb8 28. Be2 a4 29. Ka2 axb3+ 30. cxb3 Be6 31. Qh6 Nbd7 32. h4 Nxf6 33. Qg6 fxg6 34. gxf6 Qxf6 35. Bh6 Rd7 36. Bg5 Qf2 37. Ra1 Qc5 38. Kb2 Rf7 39. Bd1 Nf3 40. Rc2 Qb5 41. Rc3 Nxg5 42. hxg5 Qxg5 43. a4 Rf2+ 44. Ka3 Qd2 45. Rac1 Qb2+ |
| ECO C20-4117 play it pgn download doofy vs chessboy white wins by checkmate in 61 moves | 1. e4 e5 2. h3 Nf6 3. Nc3 d5 4. exd5 Nxd5 5. Qh5 Nc6 6. Bb5 Qd6 7. Nf3 Kd7 8. Nxe5+ Ke8 9. Bxc6+ bxc6 10. Qxf7+ Kd8 11. d4 Bxh3 12. Rxh3 Qxe5+ 13. dxe5 Bb4 14. Qxg7 Re8 15. Rxh7 Kc8 16. Bg5 Kb7 17. Ke2 Bxc3 18. bxc3 Rg8 19. Qh6 Nxc3+ 20. Kd3 Nd5 21. Rb1+ Nb6 22. e6 Raf8 23. Ke2 Rf5 24. Rxc7+ Kb8 25. Bf4 Rxf4 26. Qxf4 Re8 27. Rxa7+ Kxa7 28. Qc7+ Ka8 29. Qxc6+ Kb8 30. Rxb6+ Ka7 31. Qb7# |
| ECO C20-4116 play it pgn download doofy vs chessboy black wins by checkmate in 60 moves | 1. e4 e5 2. h3 Nf6 3. Nc3 d5 4. d4 Nxe4 5. Nxe4 dxe4 6. dxe5 Qxd1+ 7. Kxd1 Bc5 8. f3 O-O 9. fxe4 Nc6 10. Nf3 Be6 11. Bd3 Rfd8 12. Bg5 Rd7 13. Bd2 Nb4 14. Bxb4 Bxb4 15. Kc1 Bc5 16. Re1 h6 17. a3 Rad8 18. g4 c6 19. b4 Bf2 20. Re2 Bg3 21. Kb2 Rxd3 22. Nh4 Bxe5+ 23. c3 Bxc3+ 24. Kc1 Bxa1 25. Nf5 Rxh3 26. Re3 Rh1+ 27. Re1 Rxe1+ 28. Kc2 Re2+ 29. Kc1 Bb2+ 30. Kb1 Rd1# |
| ECO C20-4115 play it pgn download doofy vs chessboy black wins in 138 moves | 1. e4 e5 2. h3 Nf6 3. Nc3 d5 4. exd5 Nxd5 5. Qh5 Nc6 6. Bb5 Qd6 7. Nf3 Nb4 8. Bxc6+ Nxc6 9. d3 g6 10. Qh4 Nd4 11. Nxd4 Be7 12. Qe4 Qxd4 13. Qxd4 exd4 14. Nb5 Kd8 15. Nxd4 Bf6 16. Nf3 Re8+ 17. Kf1 Be6 18. Bg5 Be7 19. Bxe7+ Kxe7 20. Ng5 f6 21. Nxe6 Kxe6 22. Ke2 Kd6+ 23. Kf3 Re5 24. d4 Rf5+ 25. Kg3 Rg5+ 26. Kh2 c5 27. c3 cxd4 28. Rad1 Re8 29. Rxd4+ Kc6 30. Rd2 Rge5 31. Rhd1 R8e6 32. b4 h5 33. c4 Re4 34. b5+ Kc5 35. Rd7 Re7 36. R1d4 Re2 37. a4 Kb4 38. R4d6 Kxc4 39. Rxe7 Rxe7 40. Rxf6 Kb4 41. Rxg6 Kxa4 42. f4 Kxb5 43. f5 Kc5 44. f6 Rf7 45. Kg3 Kd5 46. Kf4 Ke6 47. Ke4 Rxf6 48. Rg7 Rf7 49. Rxf7 Kxf7 50. Kd5 h4 51. Kd6 Kf6 52. Kc5 b6+ 53. Kd5 Kf5 54. Kd6 Ke4 55. Kc6 Kf4 56. Kd6 Kg3 57. Ke5 Kxg2 58. Ke4 a5 59. Kd3 Kxh3 60. Kd4 Kg3 61. Kc4 h3 62. Kb5 h2 63. Kc4 h1=Q 64. Kd3 Kf3 65. Kd4 Qh4+ 66. Kd3 Qb4 67. Kc2 Ke4 68. Kd1 Qc3 69. Ke2 Qf3+ |
| ECO C20-4114 play it pgn download doofy vs chessboy black wins by checkmate in 138 moves | 1. e4 e5 2. h3 Nf6 3. Nc3 d5 4. exd5 Nxd5 5. Qh5 Qd6 6. Ne4 Qe7 7. Bd3 Nf4 8. Qf3 Nxd3+ 9. Qxd3 Nc6 10. Ne2 Bd7 11. Qb3 Qb4 12. f3 f5 13. N4c3 O-O-O 14. Qxb4 Nxb4 15. Kd1 Bc5 16. d3 h6 17. a3 Nc6 18. b4 Bf2 19. Rf1 Bh4 20. g3 Be7 21. b5 Nd4 22. a4 Nxe2 23. Nxe2 Be6 24. Ba3 Bf6 25. Rb1 Ba2 26. Ra1 Bd5 27. Rb1 e4 28. fxe4 fxe4 29. Rxf6 gxf6 30. Nf4 Rhg8 31. Be7 Rd7 32. Bxf6 Rxg3 33. Ke2 exd3+ 34. cxd3 c5 35. bxc6 Bxc6 36. Rc1 Rf7 37. Bh4 Rg8 38. Rc4 Kb8 39. Be1 Re8+ 40. Kd2 Rf5 41. Bg3 Ka8 42. Kc3 Re3 43. Bh2 a6 44. Rb4 Rf3 45. Rc4 Re5 46. h4 Re1 47. Ng6 Rc1+ 48. Kb4 Rxc4+ 49. dxc4 Rh3 50. Be5 Be4 51. Nf4 Rxh4 52. a5 Rg4 53. Bd6 Rg5 54. Ne6 Rg6 55. Nc5 Bf5 56. Bc7 h5 57. Bd8 Rg4 58. Be7 h4 59. Bd6 h3 60. Na4 Rg2 61. Nb6+ Ka7 62. Bc5 h2 63. Bf2 Rxf2 64. Nd5 h1=Q 65. Kc5 Qe1 66. Kd4 Rh2 67. Kc5 Re2 68. Ne7 Rxe7 69. Kd5 Qe5# |
| ECO C20-4113 play it pgn download doofy vs chessboy white wins by checkmate in 61 moves | 1. e4 e5 2. h3 Nf6 3. Nc3 d5 4. d4 Nxe4 5. Nxe4 dxe4 6. dxe5 Qxd1+ 7. Kxd1 Bc5 8. f3 Nc6 9. fxe4 Be6 10. Bg5 h6 11. Bh4 g5 12. Be1 Rd8+ 13. Bd3 Nxe5 14. Bc3 Nxd3 15. cxd3 O-O 16. Kc2 f5 17. e5 Bd5 18. Nf3 Kh7 19. b4 Bb6 20. Rhe1 g4 21. Nh2 g3 22. Nf1 Bf2 23. Re2 f4 24. e6 f3 25. gxf3 g2 26. Nd2 g1=Q 27. Rxg1 Bc5 28. Rg7+ Kh8 29. Rf7+ Bd4 30. Bxd4+ Kg8 31. Rg2# |
| ECO C20-4112 play it pgn download doofy vs chessboy white wins by checkmate in 117 moves | 1. e4 e5 2. h3 Nf6 3. Nc3 d5 4. d4 exd4 5. Qxd4 Nc6 6. Bb5 dxe4 7. Bxc6+ bxc6 8. Qxd8+ Kxd8 9. Bg5 Bf5 10. O-O-O+ Kc8 11. Nge2 Rg8 12. Ng3 Bg6 13. Rhf1 Bd6 14. Bxf6 Bf4+ 15. Kb1 Bxg3 16. fxg3 gxf6 17. Rxf6 Kb7 18. Rd4 e3 19. Rb4+ Kc8 20. Rxc6 Rd8 21. Rbc4 Rd7 22. Kc1 Rb8 23. b4 Rb7 24. R6c5 a6 25. a3 f6 26. g4 Kb8 27. Rf4 Rb6 28. g3 Rbd6 29. Rcc4 Rd2 30. Rce4 Bf5 31. Rxf5 Rh2 32. Rxe3 Rxh3 33. Rxf6 Kb7 34. Ne4 Rh1+ 35. Kb2 Ka7 36. Rxa6+ Kxa6 37. Nc5+ Kb5 38. Nxd7 Kc6 39. Nc5 h6 40. Kb3 Rd1 41. Kc4 Rd2 42. b5+ Kb6 43. Re6+ Rd6 44. Rxd6+ cxd6 45. Na4+ Kb7 46. Kd5 Kc8 47. Kc6 d5 48. b6 h5 49. gxh5 Kd8 50. b7 Ke7 51. b8=Q d4 52. h6 Kf6 53. Qf8+ Kg6 54. Qg7+ Kf5 55. Qd7+ Kf6 56. h7 d3 57. h8=Q+ Kg5 58. Qxd3 Kg4 59. Qh4# |
| ECO C20-4111 play it pgn download doofy vs chessboy black wins in 76 moves | 1. e4 e5 2. h3 Bc5 3. Bc4 d5 4. Bxd5 Nf6 5. Nc3 Nxd5 6. Nxd5 Be6 7. Nf3 Bxd5 8. exd5 Qxd5 9. d3 Nc6 10. c4 Qd7 11. Be3 Bxe3 12. fxe3 O-O-O 13. Ke2 Rhe8 14. Qb1 f5 15. Rd1 f4 16. exf4 exf4+ 17. Kf2 Nb4 18. d4 Qe6 19. Ne5 Nc6 20. Nxc6 Qxc6 21. Qf5+ Kb8 22. b3 Qh6 23. Kf1 Qh4 24. d5 g5 25. Re1 Rf8 26. Qe5 f3 27. g4 Qxh3+ 28. Kf2 Qg2+ 29. Ke3 Rfe8 30. Qxe8 Rxe8+ 31. Kd3 Re2 32. d6 Rd2+ 33. Kc3 Rc2+ 34. Kd3 Qd2+ 35. Ke4 Qf4+ 36. Kd3 Rd2+ 37. Kc3 Qd4+ 38. Kb4 Qxd6+ |
| ECO C20-4110 play it pgn download doofy vs chessboy white wins by checkmate in 135 moves | 1. e4 e5 2. h3 Nf6 3. Nc3 d5 4. d4 Nxe4 5. Nxe4 dxe4 6. dxe5 Qxd1+ 7. Kxd1 Bc5 8. f3 Bf5 9. Bb5+ c6 10. Be2 e3 11. g4 Be6 12. Bd3 h5 13. g5 Nd7 14. f4 Bd5 15. Rh2 Nxe5 16. fxe5 O-O-O 17. Ke2 Bd4 18. Nf3 Bxf3+ 19. Kxf3 Rhe8 20. Bxe3 Bxb2 21. Rb1 Bxe5 22. Rd2 b6 23. Bf5+ Kc7 24. Rbd1 Rxd2 25. Rxd2 Re7 26. Re2 Bd6 27. Bd4 Rxe2 28. Kxe2 g6 29. Bd3 Kd7 30. Bc4 Ke8 31. a4 c5 32. Bc3 Be7 33. h4 Bd6 34. Kf3 Bc7 35. Bf6 Bd6 36. Bd5 Kf8 37. c3 Ke8 38. Bg7 Bc7 39. Bb3 Bd6 40. Bc4 Bc7 41. Bf6 Bb8 42. Bb3 Bc7 43. Kf2 Bd6 44. Bc4 Bf4 45. Bd5 Bc7 46. c4 Bd6 47. Kf3 Be7 48. Be5 Bd8 49. Kf4 Kf8 50. Bb8 a6 51. Be5 Ke8 52. Bb7 a5 53. Bc6+ Ke7 54. Ke4 Kf8 55. Bd5 Ke8 56. Kf4 Kf8 57. Kf3 Ke8 58. Bc6+ Kf8 59. Ke4 Kg8 60. Bb7 Kf8 61. Kd5 Ke7 62. Bc6 Kf8 63. Kd6 f5 64. gxf6 Kg8 65. Bd5+ Kh8 66. f7+ Kh7 67. f8=Q Bg5 68. Qg7# |
| ECO C20-4109 play it pgn download doofy vs chessboy black wins by checkmate in 44 moves | 1. e4 e5 2. h3 Nf6 3. Nc3 d5 4. d4 Nxe4 5. Nxe4 dxe4 6. dxe5 Qxd1+ 7. Kxd1 Be6 8. Bd2 Nd7 9. f4 O-O-O 10. Kc1 f6 11. Bc3 Bc5 12. exf6 Nxf6 13. Bd2 Rhf8 14. Ne2 Nd5 15. c4 Ne3 16. Nc3 Rxf4 17. Be2 Rf2 18. Nb5 Rxe2 19. Bxe3 Bxe3+ 20. Kb1 Rdd2 21. Nxa7+ Kb8 22. b3 Rb2# |
| ECO C20-4108 play it pgn download doofy vs chessboy white wins by checkmate in 59 moves | 1. e4 e5 2. h3 Nf6 3. Nc3 Bb4 4. Nf3 O-O 5. a3 Bxc3 6. dxc3 Nxe4 7. Bd3 Nf6 8. Nxe5 Re8 9. f4 Re6 10. O-O g6 11. Nf3 d5 12. f5 Rb6 13. fxg6 fxg6 14. Be3 c5 15. Bxc5 Rxb2 16. Qc1 Rb6 17. Bxb6 Qxb6+ 18. Nd4 Nbd7 19. Qh6 Ne4 20. Bxe4 dxe4 21. Qf4 Kh8 22. Qxe4 Qd8 23. Rf7 a5 24. Ne6 Qb6+ 25. Qd4+ Qxd4+ 26. cxd4 Ra6 27. Ng5 h6 28. Re1 Kg8 29. Re8+ Nf8 30. Rexf8# |
| ECO C20-4107 play it pgn download doofy vs chessboy white wins by checkmate in 121 moves | 1. e4 e5 2. h3 Nf6 3. Nc3 d5 4. d4 exd4 5. Qxd4 Nc6 6. Bb5 dxe4 7. Qxd8+ Kxd8 8. Bxc6 bxc6 9. Bg5 Bf5 10. O-O-O+ Ke8 11. f3 exf3 12. Nxf3 Be7 13. Rhe1 Kf8 14. Ne5 c5 15. Nb5 Nd5 16. Bxe7+ Nxe7 17. Nd7+ Bxd7 18. Rxd7 Ng6 19. Nxc7 Rc8 20. Na6 Kg8 21. Rxa7 f6 22. Nc7 Nf4 23. Ne8 Nh5 24. Ree7 Kf8 25. Nxg7 Nxg7 26. Rxg7 h5 27. Rgf7+ Ke8 28. Rxf6 Rg8 29. Rf2 Rg6 30. Re2+ Kf8 31. Rh7 Ra8 32. a3 Ra5 33. Rxh5 Rf6 34. Rh7 Rf7 35. Rxf7+ Kxf7 36. g4 Rb5 37. b3 c4 38. bxc4 Rc5 39. Re4 Kf6 40. Kb2 Rc7 41. Kc3 Rh7 42. Re3 Rc7 43. a4 Rc5 44. h4 Rc6 45. g5+ Kg6 46. a5 Ra6 47. Kb4 Ra8 48. Kb5 Rb8+ 49. Kc6 Rc8+ 50. Kd5 Rd8+ 51. Ke5 Rc8 52. Kd6 Rxc4 53. Re6+ Kf7 54. h5 Rd4+ 55. Ke5 Rh4 56. h6 Rh5 57. Kf5 Kf8 58. a6 Rh4 59. a7 Rg4 60. a8=Q+ Kf7 61. Qe8# |
| ECO C20-4106 play it pgn download doofy vs chessboy white wins by checkmate in 131 moves | 1. e4 e5 2. h3 Nf6 3. Nc3 d5 4. d4 Nxe4 5. Nxe4 dxe4 6. dxe5 Qxd1+ 7. Kxd1 Bc5 8. f3 Nc6 9. fxe4 Be6 10. Nf3 h6 11. Bd2 O-O-O 12. Kc1 a6 13. Bd3 Rhe8 14. Rd1 Nb4 15. Bxb4 Bxb4 16. c3 Bc5 17. Kc2 c6 18. b3 Be3 19. Be2 Kc7 20. Nd4 Bd7 21. Rd3 Bg5 22. Nf3 Bf4 23. Rf1 Be6 24. Nd4 Bxe5 25. Nxe6+ fxe6 26. Rf7+ Kb6 27. Rfd7 Rxd7 28. Rxd7 Rf8 29. Bf3 c5 30. Re7 Rf6 31. Bg4 Rf2+ 32. Kd3 Bf4 33. Rxe6+ Ka5 34. Bf3 Rd2+ 35. Kc4 Bd6 36. Rxd6 Rxd6 37. Kxc5 Rc6+ 38. Kd4 Rd6+ 39. Ke3 Re6 40. Kd4 Rd6+ 41. Ke5 Rd2 42. b4+ Kb5 43. a3 Ra2 44. Kd4 Rd2+ 45. Ke5 Ra2 46. Kd4 Rd2+ 47. Ke3 Rc2 48. Kd3 a5 49. Kxc2 axb4 50. axb4 Kc6 51. e5+ Kc7 52. Kd3 b6 53. c4 Kd7 54. Kd4 g5 55. c5 bxc5+ 56. bxc5 Kc7 57. e6 h5 58. Bxh5 Kb7 59. e7 Kc6 60. e8=Q+ Kb7 61. c6+ Kc7 62. Qd7+ Kb6 63. c7 Ka5 64. c8=Q g4 65. Qc5+ Ka6 66. Qdc6# |
| ECO C20-4105 play it pgn download doofy vs chessboy white wins by checkmate in 105 moves | 1. e4 e5 2. h3 Bc5 3. Nf3 Nf6 4. Nxe5 d6 5. Nxf7 Kxf7 6. d4 Bb6 7. Nc3 Qe8 8. Bc4+ Be6 9. Bxe6+ Qxe6 10. O-O Ba5 11. f3 Bxc3 12. bxc3 Qc4 13. Qd3 Qxd3 14. cxd3 Nbd7 15. Rb1 b6 16. d5 Rae8 17. d4 h6 18. Rb4 a5 19. Rc4 Rc8 20. a4 Rhe8 21. Rc6 Kg6 22. Bf4 Nb8 23. Rc4 Nh5 24. Bd2 Nd7 25. Kh2 Nhf6 26. Kg1 Kh5 27. g4+ Kg6 28. Kg2 Red8 29. Be3 Rf8 30. h4 Rfe8 31. h5+ Kh7 32. Bf4 Rf8 33. Be3 Nb8 34. Rb1 Na6 35. Rc6 Rce8 36. Bf2 Nxe4 37. fxe4 Rxe4 38. Kg3 Rff4 39. g5 hxg5 40. Re1 Rxe1 41. Bxe1 Kh6 42. Bd2 Rh4 43. Be3 Kxh5 44. c4 Re4 45. Kf3 Re7 46. c5 g4+ 47. Kf2 dxc5 48. d6 g3+ 49. Kf3 cxd6 50. Rxd6 g5 51. Rxb6 g4+ 52. Ke2 Rg7 53. Rh6# |
| ECO C20-4104 play it pgn download doofy vs chessboy white wins by checkmate in 127 moves | 1. e4 e5 2. h3 Nf6 3. Nc3 d5 4. d4 Nxe4 5. Nxe4 dxe4 6. dxe5 Qxd1+ 7. Kxd1 Bc5 8. f3 exf3 9. Nxf3 Nc6 10. Bd3 O-O 11. Bd2 Rd8 12. a3 Rd5 13. Bc4 Rd8 14. Bd3 h6 15. b4 Bb6 16. b5 Ne7 17. Kc1 Bf5 18. Bxf5 Nxf5 19. g4 Nd4 20. Nxd4 Bxd4 21. Rb1 Bxe5 22. Rd1 Re8 23. Bb4 f6 24. Rd7 Rad8 25. Rxd8 Rxd8 26. Rb3 Rd5 27. c4 Rd4 28. c5 Kf7 29. Kc2 a6 30. bxa6 bxa6 31. Rd3 Rf4 32. Kb3 Kg6 33. Bc3 Rf2 34. Re3 Bf4 35. Re4 Rf3 36. Kc4 Kg5 37. Re7 g6 38. Re6 Rxh3 39. Rxa6 Be5 40. Bxe5 fxe5 41. a4 Rg3 42. Kd5 Rxg4 43. Kxe5 Rg2 44. Ra7 Re2+ 45. Kd5 Re7 46. Rb7 c6+ 47. Kxc6 Re2 48. a5 Ra2 49. Ra7 h5 50. a6 h4 51. Kd6 h3 52. c6 Rd2+ 53. Kc5 Rc2+ 54. Kd6 Kh6 55. Ra8 h2 56. Rh8+ Kg7 57. a7 h1=Q 58. Rxh1 Rd2+ 59. Ke6 Ra2 60. c7 Rh2 61. Rxh2 g5 62. c8=Q g4 63. a8=Q g3 64. Qg8# |
| ECO C20-4103 play it pgn download doofy vs chessboy white wins by checkmate in 119 moves | 1. e4 e5 2. h3 Nf6 3. Nc3 d5 4. d4 exd4 5. Qxd4 Nc6 6. Bb5 dxe4 7. Qxd8+ Kxd8 8. Bg5 Bf5 9. Bxc6 bxc6 10. O-O-O+ Kc8 11. Nge2 Rg8 12. Ng3 Bg6 13. Bxf6 gxf6 14. Ngxe4 Bxe4 15. Nxe4 f5 16. Ng3 f4 17. Ne4 Rxg2 18. Rhg1 f3 19. Kd2 f5 20. Nf6 Rxf2+ 21. Kc3 Rg2 22. Nxh7 Bc5 23. Rgf1 f2 24. Nf6 Bd6 25. Kd4 Rb8 26. b3 Be7 27. Nh5 Rb4+ 28. c4 Rh2 29. Nf4 Bf6+ 30. Ke3 Bg5 31. Rd3 a6 32. Kf3 a5 33. a3 Rb7 34. Kg3 Bxf4+ 35. Kxf4 a4 36. Kg3 axb3 37. Kxh2 b2 38. Rdd1 f4 39. Rb1 Rb3 40. Rxf2 Rc3 41. Rbxb2 Rxc4 42. Rb4 Rc3 43. a4 Kd7 44. Rbxf4 Kd6 45. Rd2+ Ke5 46. Rf7 c5 47. Re7+ Kf6 48. Rxc7 c4 49. Rd4 Ke6 50. Rcxc4 Ra3 51. h4 Kf6 52. h5 Kg7 53. Rc6 Ra2+ 54. Kg3 Kf7 55. Rc7+ Kf6 56. h6 Re2 57. h7 Re6 58. h8=Q+ Kf5 59. Qh5+ Kf6 60. Rf7# |
| ECO C20-4102 play it pgn download doofy vs chessboy white wins by checkmate in 115 moves | 1. e4 e5 2. h3 Nf6 3. Nc3 d5 4. d4 Nxe4 5. Nxe4 dxe4 6. dxe5 Qxd1+ 7. Kxd1 Bc5 8. f3 Nc6 9. fxe4 Be6 10. Nf3 O-O-O+ 11. Bd2 a6 12. Kc1 h6 13. Be2 Rd7 14. Rd1 Rhd8 15. a3 Re8 16. Bd3 Kb8 17. Rb1 b5 18. a4 bxa4 19. Ra1 a3 20. Bxa6 axb2+ 21. Kxb2 Rdd8 22. Rdb1 Nb4 23. Kc1 Rxd2 24. Nxd2 Bd7 25. Ra5 Rxe5 26. Rxb4+ Bxb4 27. Rxe5 f6 28. Rd5 Bc6 29. Rd4 Be7 30. Kd1 Ka7 31. Bc4 Kb6 32. Bd5 Bb5 33. Nc4+ Kc5 34. c3 Bd7 35. e5 Bb5 36. Bf7 Bc6 37. Rg4 g5 38. Na5 Bd5 39. Bxd5 Kxd5 40. exf6 Bxf6 41. Kd2 Be5 42. Rb4 c5 43. Rb7 h5 44. Kd3 Bf4 45. Rb5 Be5 46. c4+ Ke6 47. Nb7 Kf6 48. Nxc5 Kg6 49. Ne4 Bf4 50. c5 g4 51. c6 gxh3 52. gxh3 Bh2 53. Rb7 Be5 54. c7 Bd6 55. c8=Q Bc7 56. Qe6+ Kg7 57. Rxc7+ Kf8 58. Qf7# |
| ECO C20-4101 play it pgn download doofy vs chessboy black wins by checkmate in 96 moves | 1. e4 e5 2. h3 Bc5 3. Bc4 Nf6 4. Nc3 c6 5. Nf3 b5 6. Bb3 d6 7. d3 a5 8. a3 a4 9. Ba2 h6 10. O-O O-O 11. Bd2 Na6 12. Qe2 Nc7 13. Be3 Bxe3 14. Qxe3 Be6 15. Qb6 Bxa2 16. Nxa2 Ra6 17. Qe3 Ne6 18. Nc3 Nf4 19. Ne2 Nxe2+ 20. Qxe2 Kh8 21. Rad1 Re8 22. Qe3 d5 23. exd5 Nxd5 24. Qe4 f6 25. Nh4 Qc8 26. d4 exd4 27. Ng6+ Kh7 28. Ne7+ f5 29. Qxd5 cxd5 30. Nxc8 Rxc8 31. Rxd4 Rxc2 32. Rxd5 Rxb2 33. Rxf5 b4 34. axb4 Rxb4 35. Ra1 a3 36. Re1 a2 37. Rd5 Rb1 38. Rd3 Rxe1+ 39. Kh2 a1=Q 40. f4 Rf6 41. Kg3 Rg6+ 42. Kf3 Ree6 43. g4 Qf1+ 44. Kg3 Qxd3+ 45. Kh4 Qd8+ 46. Kg3 Re3+ 47. Kg2 Qd2+ 48. Kf1 Re1# |
| ECO C20-4100 play it pgn download doofy vs chessboy white wins by checkmate in 55 moves | 1. e4 e5 2. h3 Nf6 3. Nc3 d5 4. exd5 Nxd5 5. Qh5 Qd6 6. Bc4 Bxh3 7. Bxd5 Bc8 8. Qxf7+ Kd8 9. Nf3 c6 10. Bc4 Qf6 11. d3 Qxf7 12. Bxf7 Kc7 13. Nxe5 Bb4 14. Ng6 Rd8 15. Rxh7 Bf5 16. Rxg7 Kc8 17. Bg5 Rd7 18. Ne5 Rd4 19. Rg8+ Kc7 20. a3 Bxc3+ 21. bxc3 Bxd3 22. cxd4 Be4 23. Rg7 a5 24. Bd5+ Kd6 25. Bxe4 b5 26. Bd8 Nd7 27. Rg6+ Nf6 28. Rxf6# |
| ECO C20-4099 play it pgn download doofy vs chessboy white wins by checkmate in 127 moves | 1. e4 e5 2. h3 Nf6 3. Nc3 d5 4. exd5 Nxd5 5. Qh5 Qd6 6. Bc4 g6 7. Qf3 Nf4 8. g3 Qd4 9. b3 Ne6 10. Bxe6 fxe6 11. Nge2 Qd7 12. Ne4 Qc6 13. Bb2 Bd6 14. O-O Rf8 15. Qg2 Nd7 16. Rfc1 Nc5 17. N2c3 Bd7 18. a4 O-O-O 19. d3 Qb6 20. a5 Qc6 21. Kh2 Rf5 22. g4 Nxe4 23. Nxe4 Rf4 24. a6 bxa6 25. c4 Qxe4 26. dxe4 Rdf8 27. Rc2 Bc6 28. Re1 Bc5 29. b4 Rxf2 30. bxc5 Rxg2+ 31. Kxg2 a5 32. Bxe5 a4 33. Kg3 a5 34. Bc3 h5 35. Bxa5 e5 36. Bc3 hxg4 37. hxg4 Rf4 38. Bxe5 Rxe4 39. Rxe4 Bxe4 40. Rh2 Kd7 41. Kf4 Bb1 42. Rb2 g5+ 43. Ke3 Bg6 44. Ra2 Bb1 45. Rxa4 Bc2 46. Ra7 Bd1 47. Bxc7 Bxg4 48. Bd6+ Kd8 49. Be7+ Ke8 50. Bxg5 Bd7 51. Rc7 Ba4 52. c6 Kf8 53. Rc8+ Kf7 54. c7 Bd7 55. Rd8 Bf5 56. c8=Q Bxc8 57. Rxc8 Ke6 58. Rd8 Kf7 59. c5 Kg6 60. Kf4 Kf7 61. Kf5 Kg7 62. Rd7+ Kh8 63. Kg6 Kg8 64. Rd8# |
