| ECO A05 in 2007 play it! gnuchess507 defeats white's gnuchess507 by checkmate in 80 moves | 1. Nf3 Nf6 2. Nc3 Nc6 3. h4 h5 4. g3 g6 5. d4 d5 6. Ne5 Bg7 7. Bf4 Ng4 8. Nxc6 bxc6 9. Qd2 Rb8 10. f3 e5 11. dxe5 Nxe5 12. Bxe5 Bxe5 13. O-O-O Qd6 14. a3 Bxg3 15. Qe3+ Be6 16. Qxa7 O-O 17. e3 Be5 18. Qa5 Ra8 19. Qb4 c5 20. Qb3 c4 21. Qa2 Bxc3 22. Bxc4 Rfb8 23. Bb3 Bf6 24. Kb1 Qg3 25. a4 c5 26. Rhg1 Qxh4 27. Rh1 Qf2 28. Rhf1 Qxe3 29. Rfe1 Qf4 30. a5 c4 31. Qa4 Qc7 32. a6 cxb3 33. c3 Bf5+ 34. Re4 dxe4 35. fxe4 Qh2 36. Ka1 Qc2 37. Rg1 Bxc3 38. bxc3 b2+ 39. Ka2 Qxa4+ 40. Kb1 Bxe4# |
| ECO A04 in 2007 play it! gnuchess507 defeats white's gnuchess507 by checkmate in 80 moves | 1. Nf3 Na6 2. Na3 Nf6 3. e3 e6 4. d4 Be7 5. Bd3 d5 6. O-O Nb4 7. Bb5+ Bd7 8. Bxd7+ Nxd7 9. Bd2 Nc6 10. c4 Bxa3 11. bxa3 dxc4 12. Qc2 Nb6 13. Qe4 O-O 14. Bb4 Nxb4 15. axb4 Nd5 16. Rfd1 Nc3 17. Qxb7 Qd6 18. Rdc1 Ne2+ 19. Kf1 Nxc1 20. Rxc1 Rab8 21. Qxa7 Rxb4 22. a3 Rb6 23. Rxc4 Rc8 24. Ne5 f6 25. Nf3 e5 26. Qa4 Rcb8 27. Qc2 Rb2 28. Qf5 Qa6 29. Qd3 e4 30. Qc3 exf3 31. gxf3 R2b3 32. Qc2 Rxa3 33. Ke1 Ra1+ 34. Ke2 Ra2 35. Qxa2 Qxa2+ 36. Kd3 Qb1+ 37. Ke2 Rb2+ 38. Rc2 Rxc2+ 39. Kd3 Rc1+ 40. Ke2 Qc2# |
| ECO A04 in 2007 play it! gnuchess507 defeats white's gnuchess507 by checkmate in 60 moves | 1. Nf3 Nc6 2. Na3 Nh6 3. b3 b6 4. c4 a6 5. d3 Rb8 6. Bb2 Bb7 7. Rc1 e6 8. Nc2 Nb4 9. a3 Nxc2+ 10. Rxc2 Bxf3 11. exf3 b5 12. b4 Nf5 13. g4 Nh4 14. cxb5 Rxb5 15. d4 Rb6 16. Bc1 h5 17. Be3 Qf6 18. Be2 Ng2+ 19. Kd2 Bd6 20. Qg1 Nf4 21. h4 Nd5 22. Qc1 Bf4 23. Kd1 Bxe3 24. fxe3 hxg4 25. fxg4 Qf2 26. Rxc7 Nxc7 27. Qxc7 Rc6 28. Qb8+ Ke7 29. Qxh8 Qxe3 30. Qxg7 Qc1# |
| ECO A20 in 2007 play it! gnuchess507 defeats white's blackelvis by checkmate in 40 moves | 1. c4 e5 2. Qc2 d6 3. e4 Nf6 4. d3 Nc6 5. Be3 Ng4 6. h3 Nxe3 7. fxe3 Be6 8. g3 Qf6 9. Qf2 Qxf2+ 10. Kxf2 O-O-O 11. a3 Be7 12. h4 Rhf8 13. Bh3 Bxh3 14. Rxh3 f5 15. exf5 Rxf5+ 16. Nf3 Rdf8 17. e4 Rxf3+ 18. Kg2 Rf2+ 19. Kg1 Rf1+ 20. Kg2 R8f2# |
| ECO A00 in 2007 play it! gnuchess507 defeats white's blackelvis by checkmate in 22 moves | 1. g3 e5 2. Bg2 d5 3. Nh3 Nc6 4. O-O Be6 5. Nc3 Nf6 6. e4 Nxe4 7. Nxe4 dxe4 8. c3 Bc4 9. d4 Bxf1 10. Kxf1 Qd5 11. dxe5 Qxd1# |
| ECO A00 in 2007 play it! gnuchess507 defeats white's blackelvis by checkmate in 32 moves | 1. g3 e5 2. Bh3 Nc6 3. g4 d5 4. Nf3 h5 5. g5 Bxh3 6. Nxe5 Nxe5 7. Rg1 Qd7 8. d4 Ng6 9. Rg3 Bd6 10. f4 Nxf4 11. Bxf4 Bxf4 12. Rxh3 Qxh3 13. g6 Qxh2 14. gxf7+ Kxf7 15. Kf1 Be3 16. Qd3 Qf2# |
| ECO A00 in 2007 play it! gnuchess507 defeats white's blackelvis by checkmate in 22 moves | 1. g3 f5 2. Bh3 e6 3. Nf3 g5 4. g4 fxg4 5. Bxg4 h5 6. O-O hxg4 7. Nxg5 Qxg5 8. f4 gxf3+ 9. Kf2 Rxh2+ 10. Ke1 Qg3+ 11. Rf2 Qxf2# |
| ECO A00 in 2007 play it! gnuchess507 defeats white's blackelvis by checkmate in 8 moves | 1. g3 f5 2. g4 fxg4 3. f3 e5 4. fxg4 Qh4# |
| ECO A00 in 2007 play it! gnuchess507 defeats white's gnuchess507 by checkmate in 72 moves | 1. b4 g5 2. Ba3 Bh6 3. g4 b5 4. Bg2 Ba6 5. Bxa8 Nf6 6. e4 d6 7. Nc3 c6 8. Qf3 Qc8 9. Qh3 Bg7 10. Qe3 Nbd7 11. Nge2 Qxa8 12. Qxg5 O-O 13. O-O-O Ne5 14. d4 Nc4 15. e5 Nd5 16. Nxd5 cxd5 17. Bb2 dxe5 18. dxe5 Nxb2 19. Kxb2 Qc6 20. Nd4 Qc7 21. Rhe1 h6 22. Qf5 Bc8 23. Qf3 Bxe5 24. Qxd5 Bg7 25. Kb1 Bxg4 26. f3 Rd8 27. Qe4 Rxd4 28. Rxd4 Bxd4 29. Qxg4+ Bg7 30. h4 Kf8 31. Qe4 Bc3 32. Rd1 Qe5 33. Rd8+ Kg7 34. Qg4+ Kf6 35. Rd1 Ba1 36. f4 Qb2# |
| ECO A01 in 2007 play it! gnuchess507 defeats white's gnuchess507 by checkmate in 108 moves | 1. b3 g6 2. f3 b6 3. Bb2 Nf6 4. e3 Nc6 5. Bb5 Bg7 6. Ne2 Bb7 7. O-O O-O 8. e4 d5 9. e5 Nd7 10. Bxc6 Bxc6 11. d4 e6 12. Nbc3 f5 13. Ba3 Re8 14. Qd3 Kf7 15. f4 a5 16. Rad1 Bb7 17. Rf3 Ba6 18. Qe3 h5 19. Rg3 h4 20. Rf3 c6 21. Bd6 c5 22. a4 Rc8 23. Nb5 Bxb5 24. axb5 cxd4 25. Nxd4 Nc5 26. Nc6 Qd7 27. Bxc5 bxc5 28. Qxc5 Qc7 29. Qd4 Qd7 30. Re3 Qc7 31. Kh1 Qd7 32. Qd3 Qc7 33. Ree1 Qb6 34. c3 Qf2 35. Rf1 Qc5 36. Rfe1 Qf2 37. Qe3 Qxe3 38. Rxe3 Rh8 39. Kg1 Rhe8 40. Rdd3 Rh8 41. c4 Bf8 42. Rh3 dxc4 43. bxc4 Bb4 44. Rd7+ Kf8 45. Kf1 Ke8 46. Rdd3 Kf7 47. Rhf3 Rhe8 48. Kg1 Bc5+ 49. Kh1 Rxc6 50. bxc6 Rb8 51. Rd7+ Be7 52. c7 Rb1+ 53. Rd1 Rxd1+ 54. Rf1 Rxf1# |
| ECO A00 in 2007 play it! gnuchess507 defeats white's gnuchess507 by checkmate in 96 moves | 1. Nc3 Nh6 2. Nh3 Nc6 3. e4 e5 4. d3 d6 5. Be2 Bxh3 6. gxh3 Qh4 7. Bxh6 Qxh6 8. Bg4 Be7 9. Nd5 Bd8 10. O-O O-O 11. f4 Ne7 12. Nxe7+ Bxe7 13. Qf3 Qg6 14. Kh1 Rad8 15. Qf2 b6 16. Rae1 Qh6 17. Rd1 Bh4 18. Qf3 Qg6 19. fxe5 dxe5 20. c3 c5 21. c4 Qd6 22. Qe3 Rfe8 23. Qf3 Qe7 24. Kg2 Bg5 25. Qf2 Bf4 26. Kf3 Rd6 27. Ke2 Red8 28. a4 Qe8 29. a5 Qa4 30. axb6 Rxb6 31. Kf3 Qb3 32. Qxc5 Qc2 33. b4 Rxd3+ 34. Rxd3 Qxd3+ 35. Kf2 g6 36. Re1 Bd2 37. Re2 Bxb4 38. Qd5 Qc3 39. Qd8+ Kg7 40. Qc8 Rf6+ 41. Kg2 h5 42. Bf5 Qd4 43. Bd7 Qd3 44. Bg4 Bd6 45. Bxh5 gxh5 46. Qf5 Qxe2+ 47. Kh1 Rxf5 48. exf5 Qf1# |
| ECO A00 in 2007 play it! gnuchess507 defeats white's gnuchess507 by checkmate in 36 moves | 1. e3 Nc6 2. Qh5 g6 3. Qxh7 Rxh7 4. Bb5 Na5 5. Bxd7+ Bxd7 6. d4 Nf6 7. e4 Nxe4 8. Bg5 Nxf2 9. Bxe7 Kxe7 10. Ke2 Bh3 11. g4 Bxg4+ 12. Ke3 Bf5 13. a4 Ng4+ 14. Ke2 Qxd4 15. Nh3 Qe3+ 16. Kf1 Rxh3 17. Kg2 Be4+ 18. Kf1 Qf2# |
| ECO A00 in 2007 play it! gnuchess507 defeats white's gnuchess507 by checkmate in 74 moves | 1. e3 Nc6 2. Qh5 g6 3. Qxg6 fxg6 4. d4 Nxd4 5. exd4 h6 6. Bxh6 Rxh6 7. Nf3 c5 8. Nbd2 Bg7 9. O-O-O cxd4 10. h4 Qc7 11. Nb3 e5 12. Re1 Ne7 13. Ng5 d5 14. Bb5+ Kf8 15. Rd1 Bf6 16. f4 Bf5 17. Rd2 e4 18. g3 d3 19. Kb1 Qb6 20. cxd3 e3 21. Re2 Qxb5 22. Rxe3 a5 23. Rh2 Bxd3+ 24. Ka1 a4 25. Nc1 Rc8 26. Nxd3 Qxd3 27. Re1 Qxg3 28. Rhe2 Bxb2+ 29. Kxb2 Qc3+ 30. Kb1 Rc6 31. Ne6+ Kg8 32. Nd4 Qxd4 33. Rb2 a3 34. Rb3 Rxh4 35. Rf1 Rh2 36. f5 Qd2 37. Rxa3 Qb2# |
| ECO A00 in 2007 play it! gnuchess507 defeats white's blackelvis by checkmate in 42 moves | 1. e3 g6 2. Be2 d5 3. c4 Bg7 4. Nf3 Nf6 5. O-O Nc6 6. a3 O-O 7. Qc2 e5 8. h3 Bf5 9. Qxf5 gxf5 10. Nxe5 Nxe5 11. cxd5 Ng6 12. Bc4 Nxd5 13. Bxd5 Qxd5 14. Nc3 Bxc3 15. dxc3 Rfe8 16. Re1 f4 17. e4 Rxe4 18. Rxe4 Qxe4 19. Bxf4 Nxf4 20. f3 Qe2 21. Re1 Qxg2# |
| ECO A00 in 2007 play it! gnuchess507 defeats white's gnuchess507 by checkmate in 128 moves | 1. h3 a6 2. e4 d5 3. exd5 Qxd5 4. Nc3 Qf5 5. g4 Qf6 6. d4 Qd6 7. Nf3 Nf6 8. Be2 Nc6 9. g5 Nd5 10. Nxd5 Qxd5 11. Bf4 Bf5 12. Bxc7 Rc8 13. Bg3 Rd8 14. c3 h6 15. Kd2 hxg5 16. Bh2 Be4 17. Rg1 f6 18. Bc7 Rd7 19. Bg3 e5 20. Kc1 exd4 21. c4 Qe6 22. Nd2 Bf5 23. Bg4 Kf7 24. Re1 Ne5 25. Bxe5 fxe5 26. Qf3 g6 27. Qe2 Bg7 28. Nf3 Bf6 29. Bxf5 gxf5 30. Nxe5+ Bxe5 31. Qxe5 Qxe5 32. Rxe5 Kf6 33. Rc5 g4 34. h4 Rxh4 35. Kd2 Rh2 36. Rf1 g3 37. Kd3 Rg7 38. Rd5 g2 39. Rg1 Rh1 40. Rxg2 Rxg2 41. Kxd4 Rh4+ 42. Kc5 Rxf2 43. Rd6+ Ke5 44. b3 Rxa2 45. Rd5+ Kf6 46. Rd6+ Kg5 47. Rd3 Re2 48. Rd7 Re5+ 49. Kd6 Rd4+ 50. Kxe5 Rxd7 51. Ke6 Rd3 52. b4 f4 53. Ke5 Re3+ 54. Kd4 Re1 55. b5 f3 56. bxa6 bxa6 57. c5 f2 58. Kd5 f1=Q 59. Kd4 Qf3 60. c6 Re4+ 61. Kc5 Qf2+ 62. Kd6 Qf5 63. c7 Qe6+ 64. Kc5 Rc4# |
| ECO A00 in 2007 play it! gnuchess507 defeats white's gnuchess507 by checkmate in 120 moves | 1. h3 a6 2. e4 d5 3. exd5 Qxd5 4. Nc3 Qf5 5. d4 Nc6 6. Bd3 Qf6 7. Nf3 Bd7 8. Be3 Qd6 9. O-O Nf6 10. Bc4 Bf5 11. d5 Nb4 12. Rc1 Rd8 13. Nh4 Bg6 14. Nxg6 hxg6 15. Qd4 Nbxd5 16. Nxd5 Nxd5 17. Qg4 b5 18. Bxd5 Qxd5 19. Rcd1 Qf5 20. Rxd8+ Kxd8 21. Qxf5 gxf5 22. Rd1+ Kc8 23. Kf1 e5 24. Bg5 Bd6 25. Ke2 f4 26. Rd5 f6 27. Bxf6 gxf6 28. a4 b4 29. Kf3 Kb7 30. c3 Kc6 31. Rd2 b3 32. Ke4 Rf8 33. Kf5 Rg8 34. f3 Rf8 35. Rd1 Bc5 36. h4 Rg8 37. Rd2 Be3 38. Re2 Rh8 39. Kxf6 Kd5 40. Kg5 Ke6 41. h5 Rg8+ 42. Kh4 Bc5 43. Kh3 Rg3+ 44. Kh2 Rg5 45. g4 fxg3+ 46. Kg2 Bf2 47. h6 Kf5 48. Rd2 Rh5 49. a5 Rh2+ 50. Kf1 Rh1+ 51. Kg2 Rxh6 52. Rxf2 gxf2 53. Kxf2 Rh2+ 54. Kf1 Rxb2 55. Ke1 Ra2 56. Kd1 Ra1+ 57. Ke2 b2 58. Kd2 b1=Q 59. Ke3 Ra2 60. c4 Qb3# |
| ECO A00 in 2007 play it! gnuchess507 defeats white's gnuchess507 by checkmate in 68 moves | 1. h3 a5 2. e4 Nc6 3. Nc3 Nf6 4. d4 d5 5. e5 Ne4 6. Nxe4 dxe4 7. Bb5 e6 8. Bxc6+ bxc6 9. Ne2 Ba6 10. Nc3 Bb4 11. Be3 O-O 12. Qg4 f5 13. exf6 Qxf6 14. Qxe4 Bc4 15. O-O-O Bxc3 16. Qxc6 Bxb2+ 17. Kxb2 Bd5 18. Qxc7 Bxg2 19. Rhg1 Qf3 20. h4 Rfc8 21. Qe5 Qc6 22. Bd2 Qxc2+ 23. Ka1 Re8 24. Bxa5 Qa4 25. Qe2 Bd5 26. Be1 Qxa2+ 27. Qxa2 Rxa2+ 28. Kb1 Rb8+ 29. Bb4 Rxb4+ 30. Kc1 Be4 31. Rxg7+ Kxg7 32. Rg1+ Kf7 33. Rg7+ Kxg7 34. Kd1 Rb1# |
| ECO A00 in 2007 play it! gnuchess507 defeats white's gnuchess507 by checkmate in 50 moves | 1. h3 a5 2. e4 Nc6 3. d4 Nf6 4. Nc3 d5 5. e5 Ne4 6. Nxe4 dxe4 7. Bb5 e6 8. Bxc6+ bxc6 9. Ne2 Be7 10. Nc3 Ba6 11. Qg4 Qxd4 12. Qxg7 O-O-O 13. Qxf7 Bb4 14. Qxe6+ Kb7 15. f3 Qd1+ 16. Kf2 Qxh1 17. Kg3 Rhg8+ 18. Kf4 Qxg2 19. Nxe4 Rgf8+ 20. Qf6 Be2 21. Qxf8 Qxf3+ 22. Kg5 Bxf8 23. b3 Qxe4 24. Bf4 Be7+ 25. Kh6 Qg6# |
| ECO A00 in 2007 play it! gnuchess507 defeats white's gnuchess507 by checkmate in 112 moves | 1. h3 Nh6 2. d4 d5 3. Nc3 Nc6 4. Bxh6 gxh6 5. e4 Bg7 6. exd5 Nxd4 7. Nf3 e5 8. Bc4 Bf5 9. Nxd4 exd4 10. Qe2+ Kf8 11. Ne4 Qe7 12. Bd3 Bxe4 13. Bxe4 Re8 14. f3 f5 15. O-O fxe4 16. fxe4+ Kg8 17. Rae1 Qb4 18. Qg4 Qb6 19. Rf2 d3 20. cxd3 h5 21. Qxh5 Rf8 22. Rf1 Bd4 23. Qg5+ Qg6 24. Qe7 Qh6 25. Qe6+ Qxe6 26. dxe6 Kg7 27. e7 Rf7 28. g3 Rxe7 29. Kg2 Bxf2 30. Kxf2 Rf7+ 31. Ke2 Rxf1 32. Kxf1 Kf6 33. Ke2 Ke5 34. Ke3 Rd8 35. g4 c5 36. b3 Rd6 37. g5 Ra6 38. a4 Rb6 39. g6 Rxg6 40. Kf2 Kd4 41. Ke2 Rg3 42. a5 Rxd3 43. a6 b5 44. e5 Rxb3 45. h4 Kxe5 46. Kd2 Rh3 47. h5 Rxh5 48. Ke2 Rh2+ 49. Ke1 b4 50. Kd1 Rh1+ 51. Kc2 c4 52. Kb2 Rh2+ 53. Kb1 b3 54. Kc1 c3 55. Kd1 b2 56. Ke1 b1=Q# |
| ECO A00 in 2007 play it! gnuchess507 defeats white's gnuchess507 by checkmate in 58 moves | 1. h3 g5 2. Nf3 d5 3. Nxg5 Nc6 4. d4 Bg7 5. e3 h6 6. Nf3 Nf6 7. Bb5 Qd6 8. Nc3 Ne4 9. Nxe4 dxe4 10. Nd2 Qg6 11. g4 Bd7 12. Nb3 O-O-O 13. Nc5 a6 14. Be2 e5 15. d5 Ne7 16. O-O h5 17. f4 hxg4 18. Nxd7 gxh3+ 19. Bg4 f5 20. Nxe5 Bxe5 21. fxe5 Rh4 22. Kh1 Rxg4 23. Qd2 Rg2 24. Qf2 Rxf2 25. Rxf2 Qg3 26. Bd2 Qxf2 27. Rg1 Rg8 28. Rg3 Rxg3 29. Bc3 Qg2# |