| ECO A00 in 2007 play it! gnuchess5 defeats black's gnuchess5 by checkmate in 99 moves | 1. h4 e5 2. f4 exf4 3. d4 Qf6 4. Be3 fxe3 5. Nf3 Qd6 6. Qd3 Qf4 7. Nc3 c6 8. O-O-O d5 9. g3 Qxg3 10. Qxe3+ Ne7 11. Rg1 Qc7 12. Nd2 Nd7 13. Bh3 g6 14. Rdf1 b6 15. Qf3 f5 16. h5 Ba6 17. hxg6 hxg6 18. Rh1 Bh6 19. Rf2 O-O-O 20. e3 Kb7 21. Bf1 Bxf1 22. Rfxf1 Bg7 23. b3 Qd6 24. Rxh8 Rxh8 25. Rf2 Qa3+ 26. Kb1 Nc5 27. Re2 Rh5 28. Qf1 Qa5 29. Nd1 Ne6 30. c4 Bf6 31. cxd5 Nxd5 32. Nc4 Qb4 33. Rc2 a5 34. Qg1 Ng5 35. Ka1 Rh6 36. Rg2 Nh3 37. Qf1 Qxb3 38. axb3 Ng5 39. Nd6+ Ka7 40. Ka2 Ne6 41. Qc4 f4 42. exf4 Nxd4 43. Nc3 Nb4+ 44. Kb2 Rh7 45. Rxg6 Rh2+ 46. Ka3 Ndc2+ 47. Ka4 Na2 48. Rg7+ Kb8 49. Rb7+ Ka8 50. Qa6# |
| ECO A00 in 2007 play it! gnuchess5 defeats black's gnuchess5 by checkmate in 85 moves | 1. h4 e5 2. f4 exf4 3. d4 Qf6 4. Be3 fxe3 5. Nf3 Qf4 6. Qd3 Nc6 7. Kd1 Nb4 8. Qb3 Nf6 9. a3 Ne4 10. Rg1 Nc6 11. Kc1 Nxd4 12. Nxd4 Nd2 13. Qd5 Qh2 14. Nxd2 exd2+ 15. Kxd2 Qxg1 16. Rd1 Qh2 17. Qe4+ Kd8 18. Kc1 g6 19. e3 c5 20. Nc6+ Kc7 21. Ne7 f5 22. Nd5+ Kb8 23. Qa4 Bg7 24. c3 Re8 25. Qf4+ Be5 26. Qh6 Rh8 27. Qg5 b6 28. Qe7 Qg3 29. Bb5 h6 30. h5 gxh5 31. Bxd7 Bxd7 32. Qxd7 Qxg2 33. Qxf5 Qh2 34. Ne7 Qxb2+ 35. Kxb2 Bc7 36. Qxh5 Rf8 37. Qxh6 Rf2+ 38. Kb3 a5 39. Rd7 Rf3 40. Qc6 a4+ 41. Kc4 Ra6 42. Qxc7+ Ka8 43. Qd8# |
| ECO A00 in 2007 play it! gnuchess5 defeats black's gnuchess5 by checkmate in 63 moves | 1. h4 e5 2. f4 exf4 3. d4 Qf6 4. Be3 fxe3 5. Nf3 d5 6. Qd3 Qf4 7. Nc3 c6 8. O-O-O Bf5 9. g3 Bxd3 10. gxf4 Bg6 11. Bh3 Ne7 12. Ne5 Bf5 13. Ng4 Bxg4 14. Bxg4 h5 15. Bh3 g6 16. Rd3 Bh6 17. Rf1 Bg7 18. Rf3 O-O 19. Rdxe3 Bf6 20. Rd3 Na6 21. a3 Bxh4 22. e4 dxe4 23. Nxe4 Rad8 24. f5 Nxf5 25. Bxf5 Rfe8 26. Rde3 gxf5 27. Rxf5 Be7 28. Rxh5 f5 29. Rg3+ Kf7 30. Rxf5+ Bf6 31. Rxf6+ Ke7 32. Rg7# |
| ECO A00 in 2007 play it! gnuchess5 defeats black's gnuchess5 by checkmate in 49 moves | 1. h4 e5 2. f4 exf4 3. d4 Qf6 4. Be3 fxe3 5. Nf3 Qf4 6. Qd3 Nc6 7. c4 g6 8. Nc3 Nb4 9. Qb1 Ne7 10. h5 gxh5 11. Ne4 d5 12. cxd5 Nbxd5 13. g3 Qh6 14. Qc2 Qa6 15. Rxh5 Bf5 16. Bh3 Bxe4 17. Qxe4 Nf6 18. Qe5 Nxh5 19. Qxh5 Qd6 20. Ne5 Qxd4 21. Qxf7+ Kd8 22. Rd1 Qxd1+ 23. Kxd1 h5 24. Qe6 h4 25. Qd7# |
| ECO A00 in 2007 play it! gnuchess5 defeats black's gnuchess5 by checkmate in 119 moves | 1. h4 e5 2. f4 exf4 3. d4 Qf6 4. Be3 fxe3 5. Nf3 Qf4 6. Qd3 Nc6 7. c4 g6 8. Nc3 Nb4 9. Qb1 Ne7 10. h5 gxh5 11. Ne4 d5 12. cxd5 Nbxd5 13. g3 Qh6 14. Qc2 Nc6 15. O-O-O Ncb4 16. Qc4 Bf5 17. Nc5 b6 18. a3 bxc5 19. axb4 Nb6 20. Rxh5 Qxh5 21. Qb5+ Bd7 22. Qd3 cxb4 23. Qxe3+ Be6 24. g4 Qd5 25. Ne5 Qa2 26. Qe4 Qa1+ 27. Kd2 Qxb2+ 28. Ke1 Qc3+ 29. Kf2 Bd5 30. Qf4 Bd6 31. Qf5 Rd8 32. Rd3 Qb2 33. g5 c5 34. Qf6 Rf8 35. Bh3 cxd4 36. Bf5 Nc4 37. Nf3 Bf4 38. Bd7+ Rxd7 39. Qxf4 Bxf3 40. Rxf3 Qd2 41. Qe4+ Re7 42. Qc6+ Kd8 43. Qd5+ Kc7 44. Qc5+ Kd7 45. Qxc4 Re5 46. Qa6 Ke8 47. Qc8+ Ke7 48. Qc7+ Ke8 49. Qc8+ Ke7 50. Qc7+ Ke8 51. Qxe5+ Kd8 52. Qb5 f6 53. gxf6 Rf7 54. Qd5+ Rd7 55. Qa8+ Kc7 56. f7 Qc1 57. f8=Q Kb6 58. Qxb4+ Ka6 59. Qc8+ Rb7 60. Qcxb7# |
| ECO A00 in 2007 play it! gnuchess5 defeats black's gnuchess5 by checkmate in 73 moves | 1. h4 e5 2. f4 exf4 3. d4 Qf6 4. Be3 fxe3 5. Nf3 Qf4 6. Qd3 Nc6 7. Kd1 Nb4 8. Qb3 Nf6 9. c3 Ne4 10. Rg1 Nc6 11. Kc1 Be7 12. g4 O-O 13. g5 d6 14. Bg2 Nf2 15. d5 Ne5 16. Nxe5 Qxe5 17. Bf3 Qh2 18. Rf1 Qxh4 19. Na3 Qxg5 20. Nc2 Bh3 21. Re1 c6 22. Qxb7 cxd5 23. Kb1 Be6 24. Qc6 Rab8 25. Qa4 Bf6 26. Qc6 Ne4 27. Bxe4 dxe4 28. Nd4 Qh4 29. Rd1 Rb6 30. Qa4 Bxd4 31. cxd4 Qf2 32. b3 Qxe2 33. Rc1 Qd3+ 34. Kb2 e2 35. Rab1 Rc8 36. Rxc8+ Bxc8 37. Qe8# |
| ECO A00 in 2007 play it! gnuchess5 defeats black's gnuchess5 by checkmate in 43 moves | 1. h4 e5 2. f4 exf4 3. d4 Qf6 4. Be3 fxe3 5. Nf3 Qd6 6. Qd3 Qf4 7. Nc3 c6 8. O-O-O d5 9. g3 Qxg3 10. Qxe3+ Ne7 11. Rg1 Qc7 12. Ne5 Bf5 13. Qf4 Qa5 14. Bg2 g6 15. e4 Be6 16. Qf6 Rg8 17. exd5 Nxd5 18. Nxd5 Bxd5 19. Nxf7 Qc5 20. dxc5 Be7 21. Rge1 Rh8 22. Qxe7# |
| ECO A00 in 2007 play it! gnuchess5 defeats black's gnuchess5 by checkmate in 85 moves | 1. h4 e5 2. f4 exf4 3. d4 Qf6 4. Bxf4 Qxf4 5. Nc3 Qg3+ 6. Kd2 Nf6 7. Qe1 Bb4 8. Qxg3 Ne4+ 9. Kd3 Nxg3 10. Rh3 Bxc3 11. Rxg3 Bxb2 12. Rb1 Ba3 13. Rxg7 Nc6 14. e4 Bf8 15. Rg3 Nb4+ 16. Kd2 Nxa2 17. Bc4 Nb4 18. Rf3 Bh6+ 19. Kd1 a5 20. Bxf7+ Kd8 21. c3 Nc6 22. g4 d6 23. Bh5 Rf8 24. g5 Rxf3 25. Nxf3 Bg7 26. Kd2 a4 27. d5 Na5 28. Nd4 a3 29. Kd3 a2 30. Rf1 Nc6 31. dxc6 Bf5 32. cxb7 Rb8 33. Nc6+ Kd7 34. Nxb8+ Ke7 35. exf5 h6 36. Re1+ Be5 37. Nc6+ Kd7 38. Nxe5+ dxe5 39. b8=Q e4+ 40. Rxe4 a1=Q 41. Rd4+ Kc6 42. Bf3+ Kc5 43. Qb4# |
| ECO A00 in 2007 play it! gnuchess5 defeats black's gnuchess5 by checkmate in 77 moves | 1. h4 e5 2. f4 exf4 3. d4 Qf6 4. Bxf4 Qxf4 5. Nc3 Qg3+ 6. Kd2 Nf6 7. Qe1 Qg4 8. Nb5 Bb4+ 9. c3 Ba5 10. Nf3 O-O 11. Ne5 Qf5 12. e3 d6 13. Nf3 Bd7 14. Na3 d5 15. Bd3 Qg4 16. Qg1 g6 17. Ne5 Qg3 18. Rf1 Qg4 19. Nxg4 Nxg4 20. e4 dxe4 21. Bxe4 Bc6 22. Bf3 Nh6 23. Nc4 Bb6 24. Bxc6 Nxc6 25. h5 Nf5 26. Qh2 h6 27. hxg6 fxg6 28. g4 a5 29. gxf5 h5 30. Nxb6 cxb6 31. fxg6 Rxf1 32. Rxf1 Rf8 33. Rxf8+ Kxf8 34. Qf4+ Kg7 35. Qf7+ Kh6 36. g7 Kg5 37. g8=Q+ Kh4 38. Qd5 Nxd4 39. Qh1# |
| ECO A00 in 2007 play it! gnuchess5 defeats black's gnuchess5 by checkmate in 83 moves | 1. h4 e5 2. f4 exf4 3. d4 Qf6 4. Bxf4 Qxf4 5. Nc3 Qg3+ 6. Kd2 g6 7. Qe1 Qg4 8. e3 f5 9. Nd5 Na6 10. Kc1 c6 11. Nf4 Bb4 12. c3 Bxc3 13. bxc3 Nb4 14. cxb4 g5 15. Be2 gxf4 16. Bxg4 fxg4 17. exf4+ Ne7 18. Qe5 Rf8 19. Kb2 Kd8 20. a3 Nd5 21. Qg5+ Kc7 22. g3 Re8 23. Qxg4 Re3 24. Rc1 b5 25. Nh3 Rd3 26. Qf5 Rd2+ 27. Rc2 Rxc2+ 28. Qxc2 a5 29. bxa5 h6 30. Qg6 Rxa5 31. Qxh6 Ne3 32. Ra1 Nf5 33. Qh8 Ra4 34. h5 Nxd4 35. h6 b4 36. h7 Ba6 37. Qe5+ d6 38. Qg7+ Kb6 39. Qxd4+ Kb5 40. Qxd6 Kc4 41. Rc1+ Kb5 42. Qc5# |
| ECO A00 in 2007 play it! gnuchess5 defeats black's gnuchess5 by checkmate in 75 moves | 1. h4 e5 2. f4 exf4 3. d4 Qf6 4. Bxf4 Qxf4 5. Nc3 Bb4 6. Nf3 d5 7. Qd2 Qxd2+ 8. Nxd2 Bxc3 9. bxc3 Bf5 10. Rb1 b6 11. c4 Nc6 12. cxd5 Nxd4 13. e4 Nxc2+ 14. Kf2 Bd7 15. Rc1 Ba4 16. Nb3 Nb4 17. Rxc7 Nxa2 18. Nd2 Nf6 19. Be2 Nb4 20. Rb1 Nbxd5 21. exd5 Nxd5 22. Rc4 Bd7 23. Rd4 Nc3 24. Re1 Nxe2 25. Rxe2+ Be6 26. Ne4 f5 27. Ng5 O-O 28. Nxe6 Rfc8 29. Rd7 g6 30. Ng5 h5 31. Rd6 Kg7 32. Re7+ Kf8 33. Rf7+ Ke8 34. Rxg6 Rc2+ 35. Kg1 Rc1+ 36. Kh2 Rh1+ 37. Kxh1 Rd8 38. Re6# |
| ECO A00 in 2007 play it! gnuchess5 defeats black's gnuchess5 in 91 moves | 1. h4 e5 2. f4 exf4 3. d4 Qf6 4. Bxf4 Qxf4 5. Qd2 Qg3+ 6. Kd1 d5 7. Nf3 Ne7 8. Nc3 Nbc6 9. Nb5 a6 10. Na3 Bf5 11. Qe1 Qg4 12. e3 g6 13. Kc1 O-O-O 14. Ng5 Be6 15. Be2 Qf5 16. Rf1 Qxf1 17. Bxf1 Bh6 18. Qc3 Bxg5 19. hxg5 h6 20. gxh6 Rxh6 21. Kd2 Rh2 22. Re1 Re8 23. Qc5 Bf5 24. b3 g5 25. c3 Rxg2+ 26. Bxg2 Nxd4 27. exd4 b6 28. Qb4 Kd8 29. Qa4 Bc8 30. Re5 f6 31. Re3 b5 32. Qb4 f5 33. Qc5 f4 34. Re5 g4 35. Bxd5 Bd7 36. Bf7 Nc8 37. Bxe8 Bxe8 38. Qf8 Nd6 39. Qe7+ Kc8 40. Rc5 c6 41. Qxd6 f3 42. Qe6+ Kd8 43. Qxg4 b4 44. cxb4 f2 45. Qg5+ Kd7 46. Qg4+ |
| ECO A00 in 2007 play it! gnuchess5 defeats black's gnuchess5 by checkmate in 55 moves | 1. h4 e5 2. f4 exf4 3. d4 Qf6 4. Bxf4 Qxf4 5. Nc3 Qg3+ 6. Kd2 Nf6 7. Nf3 Bb4 8. Kc1 O-O 9. Qd3 d5 10. a3 Bxc3 11. Qxc3 Ne4 12. Qb3 c6 13. Kb1 Qf2 14. Rh3 Qxf1+ 15. Ka2 Qxe2 16. Rh2 Qa6 17. Re1 Bf5 18. Ng5 g6 19. g4 Bxg4 20. Nxe4 dxe4 21. Rxe4 Be6 22. Rxe6 Qc4 23. Qxc4 a5 24. Re7 Ra7 25. Qf1 f5 26. Qf4 Rc8 27. Qe5 g5 28. Qg7# |
| ECO A00 in 2007 play it! gnuchess5 defeats black's gnuchess5 by checkmate in 65 moves | 1. h4 e5 2. f4 exf4 3. d4 Qf6 4. Bxf4 Qxf4 5. Nc3 Qg3+ 6. Kd2 g6 7. Nf3 Bh6+ 8. e3 Qf2+ 9. Qe2 Bxe3+ 10. Kd3 Qxe2+ 11. Bxe2 Bh6 12. g4 Nc6 13. g5 Bg7 14. Nd5 Kd8 15. c3 f5 16. Rae1 Nge7 17. Nf4 Re8 18. Kd2 b6 19. Bd3 Bb7 20. Rhf1 h6 21. h5 hxg5 22. Nxg5 Nxd4 23. cxd4 Bxd4 24. Nf7+ Kc8 25. Nxg6 Bc5 26. Kc1 Bb4 27. Nxe7+ Rxe7 28. Rxe7 Bxe7 29. h6 Bg2 30. h7 Bh1 31. Ba6+ Kb8 32. h8=Q+ Bd8 33. Qxd8# |
| ECO A00 in 2007 play it! gnuchess5 defeats black's gnuchess5 by checkmate in 77 moves | 1. h4 e5 2. f4 exf4 3. d4 Qf6 4. Bxf4 Qxf4 5. Nc3 Qg3+ 6. Kd2 g6 7. Qe1 Qg4 8. e3 f5 9. Nd5 Na6 10. Kc1 c6 11. Nf4 Bb4 12. c3 Bxc3 13. bxc3 Nb4 14. cxb4 g5 15. Be2 gxf4 16. Bxg4 fxg4 17. exf4+ Kf7 18. Qe5 Nf6 19. Kb2 Re8 20. Qg5 d5 21. Rc1 Re4 22. Rd1 a5 23. bxa5 Rxa5 24. h5 Ra4 25. h6 Raxd4 26. Rxd4 Rxd4 27. Qg7+ Ke8 28. Qxf6 Rd2+ 29. Kc1 Rxa2 30. Qh8+ Ke7 31. Qxh7+ Kd8 32. Qh8+ Kc7 33. h7 Rc2+ 34. Kxc2 Be6 35. Qe5+ Kd7 36. Rh6 Bf5+ 37. Kd2 Bxh7 38. Rxh7+ Kd8 39. Qb8# |
| ECO A00 in 2007 play it! gnuchess5 defeats black's gnuchess5 by checkmate in 83 moves | 1. h4 e5 2. f4 exf4 3. d4 Qf6 4. Bxf4 Qxf4 5. Qd2 Qg3+ 6. Kd1 d5 7. Nf3 Ne7 8. Nc3 Bf5 9. Qg5 Qxg5 10. Nxg5 Nbc6 11. Nb5 Rc8 12. e3 Nb4 13. Nxa7 Bxc2+ 14. Kd2 c5 15. Nxc8 Nxc8 16. a3 cxd4 17. axb4 Bg6 18. Bb5+ Kd8 19. h5 Nb6 20. hxg6 Bxb4+ 21. Kd3 Bc5 22. Nxf7+ Kc7 23. Nxh8 h6 24. exd4 Bf8 25. Nf7 Kb8 26. Rhc1 Be7 27. Ne5 Bd8 28. Rc2 h5 29. g3 Bf6 30. Rh2 Kc7 31. Rxh5 Kd6 32. Ra7 Kc7 33. Ba6 Bxe5 34. Rxb7+ Kc6 35. Rxe5 Nc8 36. Re6+ Nd6 37. Rxg7 Kb6 38. Rxd6+ Ka5 39. Ra7 Kb4 40. b3 Ka3 41. Kc3 Ka2 42. Bd3# |
| ECO A00 in 2007 play it! gnuchess5 defeats black's gnuchess5 by checkmate in 103 moves | 1. h4 e5 2. f4 exf4 3. d4 Qf6 4. Bxf4 Qxf4 5. Nc3 Qg3+ 6. Kd2 g6 7. Qe1 Qg4 8. e3 f5 9. Nd5 Na6 10. Kc1 c6 11. Nf4 Bb4 12. c3 Bxc3 13. bxc3 Nb4 14. cxb4 g5 15. Be2 gxf4 16. Bxg4 fxg4 17. exf4+ Ne7 18. Qe5 Rf8 19. Kb2 Kd8 20. a3 Nd5 21. Qg5+ Kc7 22. g3 a5 23. Rc1 axb4 24. Qxd5 bxa3+ 25. Ka2 d6 26. Qe4 Rf7 27. Qe8 Rg7 28. Rc3 Ra6 29. Rxa3 Bd7 30. Qe4 Rxa3+ 31. Kxa3 b6 32. Ne2 Rf7 33. Re1 c5 34. Nc3 Bc6 35. Qe6 Rg7 36. dxc5 bxc5 37. Rd1 Rd7 38. Qxg4 d5 39. Qe6 d4 40. Qe5+ Kd8 41. Qb8+ Ke7 42. Re1+ Kf7 43. Qe8+ Kg7 44. Qe5+ Kg8 45. Qe6+ Rf7 46. Qxc6 dxc3 47. Qe8+ Rf8 48. Qe6+ Kg7 49. Qe5+ Kf7 50. Qd5+ Kf6 51. Qg5+ Kf7 52. Re7# |
| ECO A00 in 2007 play it! gnuchess5 defeats black's gnuchess5 by checkmate in 81 moves | 1. h4 e5 2. f4 exf4 3. d4 Qf6 4. Bxf4 Qxf4 5. Nc3 Qg3+ 6. Kd2 g6 7. Qe1 Qg4 8. e3 f5 9. Nd5 Na6 10. Kc1 c6 11. Nf4 Ke7 12. Be2 Qxe2 13. Ngxe2 Ke8 14. h5 g5 15. Nd3 Nf6 16. Qg3 Ng4 17. Nf2 d6 18. Nxg4 fxg4 19. Nc3 Kd8 20. Rf1 Be7 21. Ne4 d5 22. Qe5 Re8 23. Nxg5 Bb4 24. Nf7+ Kd7 25. Qf4 Re4 26. Qf6 Be7 27. Ne5+ Kd8 28. Qh8+ Kc7 29. Rf7 Kd6 30. Qe8 Kc7 31. Qxe7+ Kb6 32. Qd8+ Nc7 33. Rxc7 Kb5 34. Rxc8 Rxc8 35. Qxc8 Kb6 36. Nd7+ Ka5 37. Qc7+ Kb4 38. Qd6+ Ka4 39. b3+ Ka5 40. Qc5+ Ka6 41. Nb8# |
| ECO A00 in 2007 play it! gnuchess5 defeats black's gnuchess5 by checkmate in 85 moves | 1. h4 e5 2. f4 exf4 3. d4 Qf6 4. Bxf4 Qxf4 5. Nc3 Bb4 6. Nf3 d5 7. Qd2 Qxd2+ 8. Nxd2 Bxc3 9. bxc3 Bf5 10. Rb1 b6 11. c4 Nc6 12. cxd5 Nxd4 13. e4 Bg4 14. c3 Nc2+ 15. Kf2 O-O-O 16. Bd3 c6 17. Bxc2 cxd5 18. Kg3 dxe4 19. Nxe4 f5 20. Nf2 Rd2 21. Rb2 Ne7 22. Nxg4 Kd7 23. Ba4+ Kc8 24. Rxd2 fxg4 25. Rd7 Nf5+ 26. Kxg4 Rf8 27. Rxa7 Ne3+ 28. Kg3 Nf5+ 29. Kh3 Kb8 30. Rd7 Nxh4 31. Rxg7 Ng6 32. Rb1 Nf4+ 33. Kh2 Rf6 34. Rxh7 Ne2 35. Rd1 Rf8 36. Rd3 Rc8 37. Rd6 Rxc3 38. Rxb6+ Kc8 39. Bb5 Rb3 40. Rc6+ Kd8 41. axb3 Nf4 42. Ba6 Nh3 43. Rc8# |
| ECO A00 in 2007 play it! gnuchess5 defeats black's gnuchess5 by checkmate in 61 moves | 1. h4 e5 2. f4 exf4 3. d4 Qf6 4. Bxf4 Qxf4 5. Nc3 Qg3+ 6. Kd2 Bb4 7. e3 Bxc3+ 8. bxc3 d5 9. Qf3 Qxf3 10. gxf3 Nf6 11. c4 c5 12. cxd5 cxd4 13. exd4 Nxd5 14. Re1+ Kf8 15. Bc4 Nb6 16. Bb3 Nc6 17. Ne2 Be6 18. Bxe6 fxe6 19. c3 e5 20. Rhg1 exd4 21. cxd4 Re8 22. Rc1 Nd5 23. Rg5 Ne3 24. d5 Re4 25. fxe4 h6 26. dxc6 hxg5 27. cxb7 Rh7 28. b8=Q+ Ke7 29. Rc7+ Ke6 30. Qe8+ Kf6 31. Rc6# |