| ECO A05 in 2005 play it! yace defeats white's kitten by checkmate in 126 moves | 1. Nf3 Nf6 2. g3 g6 3. c4 Bg7 4. d4 O-O 5. Bg2 d6 6. O-O Nbd7 7. Nc3 e5 8. e4 c6 9. Rb1 exd4 10. Nxd4 Re8 11. Bg5 Qb6 12. Nb3 Qc7 13. f4 h6 14. Bxf6 Nxf6 15. f5 gxf5 16. exf5 Re5 17. Nd4 Bd7 18. Kh1 Rae8 19. b4 Qd8 20. a3 Qe7 21. Rc1 Re3 22. Bh3 h5 23. b5 Qe5 24. Bg2 c5 25. Nf3 Qxf5 26. Nh4 Qe5 27. Nf3 Qe7 28. Nh4 Be6 29. Qa4 Qd7 30. Nd1 Re2 31. Nc3 Rd2 32. Nb1 Rb2 33. Nc3 Bh3 34. Rc2 Bxg2+ 35. Rxg2 Qh3 36. b6 Rxg2 37. Nxg2 Re6 38. Rxf6 Bxf6 39. Qd1 Bxc3 40. bxa7 Re8 41. Nf4 Qf5 42. Kg2 Qe4+ 43. Kh3 Be5 44. Nd5 Ra8 45. Qxh5 Qh7 46. Kg4 Qxh5+ 47. Kxh5 Rxa7 48. Kg4 Rxa3 49. Kf5 Ra4 50. Ne3 Bd4 51. Nd5 Rxc4 52. h4 b5 53. Nb6 Rc1 54. h5 b4 55. Nd7 b3 56. Ke4 b2 57. Kd5 b1=Q 58. Kc6 Qe4+ 59. Kxd6 Qb7 60. g4 Re1 61. Nf6+ Bxf6 62. Kxc5 Rc1+ 63. Kd6 Qc6# |
| ECO A09 in 2003 play it! yace defeats white's roboswedv by checkmate in 124 moves | 1. Nf3 d5 2. c4 c6 3. d4 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. Be2 O-O 8. O-O dxc4 9. Bxc4 b5 10. Bd3 Bb7 11. Bd2 b4 12. Ne4 Nxe4 13. Bxe4 f5 14. Bd3 c5 15. Bc4 Bxf3 16. gxf3 Qg5+ 17. Kh1 Qh5 18. Bxe6+ Kh8 19. f4 Rf6 20. Bxf5 Rxf5 21. Rg1 Qf3+ 22. Rg2 Rd5 23. Qd1 Qxd1+ 24. Rxd1 cxd4 25. e4 Rb5 26. f5 b3 27. a4 Rb7 28. f4 Nc5 29. e5 Bf8 30. Be1 d3 31. e6 Rd8 32. Bc3 Nxa4 33. Be5 Nc5 34. h4 Rd5 35. Re1 d2 36. Rd1 Ne4 37. h5 Bd6 38. Bxd6 Rxd6 39. Kh2 Rb4 40. Kh3 Rc4 41. h6 g6 42. e7 Rc8 43. f6 Kg8 44. Re2 Rd3+ 45. Kg2 Nxf6 46. Rexd2 Rxd2+ 47. Rxd2 Rc2 48. Rf2 a5 49. Kf3 Rxf2+ 50. Kxf2 a4 51. e8=N Nxe8 52. Ke3 a3 53. bxa3 b2 54. Kd4 b1=Q 55. Ke3 Qc1+ 56. Kf3 Qxa3+ 57. Ke2 Qc3 58. Kf2 Qd3 59. Kg1 Nd6 60. f5 Ne4 61. fxg6 Qg3+ 62. Kf1 Qf2# |
| ECO A05 in 2003 play it! yace defeats white's machination in 130 moves | 1. Nf3 Nf6 2. d4 d5 3. c4 c6 4. e3 Bf5 5. Bd3 Bxd3 6. Qxd3 e6 7. O-O Nbd7 8. Nc3 Bb4 9. Bd2 a5 10. a3 Be7 11. b4 O-O 12. bxa5 Rxa5 13. cxd5 exd5 14. Rfb1 b6 15. Ne2 Ra4 16. Bb4 c5 17. dxc5 bxc5 18. Bc3 c4 19. Qc2 Rxa3 20. Rxa3 Bxa3 21. Ng3 Qc7 22. Nf5 Rb8 23. Bd4 Rxb1+ 24. Qxb1 Bc5 25. Bc3 Qb6 26. Qa1 Qa7 27. Qxa7 Bxa7 28. Ne5 Nxe5 29. Bxe5 Bc5 30. Bxf6 gxf6 31. Kf1 Kf8 32. Ke1 Ke8 33. Kd2 Bb4+ 34. Kc2 Kd7 35. g4 Ba5 36. h4 Be1 37. f3 Ke6 38. Nd4+ Kd6 39. Nf5+ Ke5 40. h5 Bb4 41. Kc1 Bc5 42. Kc2 d4 43. exd4+ Bxd4 44. h6 Bb6 45. Kd2 Kf4 46. Ke2 c3 47. Ne7 c2 48. Kd2 Be3+ 49. Kxc2 Kxf3 50. Nd5 Bg5 51. Kd1 Kxg4 52. Ke2 f5 53. Kf2 Bxh6 54. Nf6+ Kf4 55. Nd5+ Ke5 56. Nc3 Bd2 57. Na4 f4 58. Kf3 Be3 59. Nc3 h5 60. Nb1 h4 61. Na3 Kd5 62. Nc2 h3 63. Nb4+ Kc5 64. Nd3+ Kd4 65. Nb4 Bg1 |
| ECO A04 in 2005 play it! yace defeats white's hal000 in 114 moves | 1. Nf3 g6 2. c4 Bg7 3. d4 d6 4. e4 Bg4 5. Be2 Nc6 6. Be3 e5 7. d5 Bxf3 8. Bxf3 Nd4 9. Nc3 c5 10. dxc6 bxc6 11. O-O Ne7 12. b4 O-O 13. Rb1 Rb8 14. Qd3 Nxf3+ 15. gxf3 Qd7 16. Rfd1 Rfd8 17. b5 Rb7 18. bxc6 Nxc6 19. Rxb7 Qxb7 20. Nb5 Bf8 21. Kg2 a6 22. Nc3 Rb8 23. Rb1 Nb4 24. Qd2 Qc8 25. h3 Kh8 26. a3 Nc6 27. Rxb8 Qxb8 28. f4 Qc8 29. Qd5 Kg8 30. Ne2 Qc7 31. Bd2 exf4 32. Bxf4 Na5 33. Qa8 Qc6 34. Qxc6 Nxc6 35. Nc3 Na5 36. Nd5 Nxc4 37. Nf6+ Kh8 38. Bc1 Bg7 39. Nd5 Kg8 40. f3 Kf8 41. Kf2 f5 42. Ke2 fxe4 43. fxe4 Kf7 44. a4 Bf6 45. Bd2 Nxd2 46. Kxd2 a5 47. Kd3 Ke6 48. Kc4 Ke5 49. Nxf6 Kxf6 50. Kb5 g5 51. Kxa5 h5 52. Kb4 Ke6 53. Kc4 h4 54. Kd3 g4 55. Ke2 g3 56. Kf1 Kd7 57. Kg2 Kc6 |
| ECO A05 in 2005 play it! yace defeats white's spongemaster in 105 moves | 1. Nf3 Nf6 2. d4 d5 3. e3 e6 4. Bd3 c5 5. c3 Nc6 6. Nbd2 Bd6 7. O-O O-O 8. dxc5 Bxc5 9. e4 Qc7 10. Qe2 Bd6 11. Re1 Ng4 12. h3 Nge5 13. Nxe5 Nxe5 14. exd5 exd5 15. Nf3 Nxd3 16. Qxd3 Qc4 17. Rd1 Qxd3 18. Rxd3 Rd8 19. Nd4 b6 20. a4 Re8 21. Be3 Bb7 22. a5 bxa5 23. Rxa5 a6 24. b3 Rac8 25. h4 Re5 26. f3 Rce8 27. Kf2 Be7 28. g3 Bd8 29. Ra2 R5e7 30. Nf5 Re6 31. h5 g6 32. Nd4 Re5 33. h6 Bf6 34. Ra1 R5e7 35. f4 Re4 36. Kf3 Bd8 37. f5 a5 38. Bf2 gxf5 39. Kg2 f4 40. gxf4 Rxf4 41. Re3 Rfe4 42. Rxe4 dxe4 43. Be3 Kf8 44. Kf2 Re5 45. Rd1 Bf6 46. Kg3 Rd5 47. Kg4 Be5 48. Bf4 Bc8+ 49. Kg3 Bf6 50. Kf2 Ba6 51. Ke3 Bd3 52. Ra1 Ke8 53. Rg1 |
| ECO A05 in 2003 play it! yace defeats white's seemychess by checkmate in 132 moves | 1. Nf3 Nf6 2. b3 d5 3. Bb2 g6 4. e3 Bg7 5. Be2 O-O 6. O-O b6 7. c4 Nc6 8. cxd5 Nxd5 9. d4 Bb7 10. Nc3 Nxc3 11. Bxc3 e6 12. Qc2 Qd6 13. a3 Rfd8 14. Nd2 e5 15. Nc4 Qe7 16. Bf3 exd4 17. exd4 Bxd4 18. Rfe1 Qf6 19. Ne5 Nxe5 20. Bxb7 Nf3+ 21. Bxf3 Bxc3 22. Bxa8 Bxa1 23. Qc6 Qc3 24. Rf1 Qxb3 25. Qxc7 Rd1 26. g3 Rxf1+ 27. Kxf1 Qxa3 28. Kg2 Kf8 29. Qd8+ Kg7 30. Bd5 Bf6 31. Qe8 Qe7 32. Qxe7 Bxe7 33. Bc6 f5 34. Kf3 Kf6 35. Ke2 g5 36. Kd3 Ke5 37. f3 h5 38. Kc4 a6 39. Bb7 b5+ 40. Kb3 a5 41. Bc6 b4 42. Be8 h4 43. Kc4 h3 44. Bd7 Bd6 45. Kb3 Kf6 46. Bb5 Bxg3 47. Bf1 Bxh2 48. Bxh3 Ke5 49. Bg2 Kf4 50. Ka4 Kg3 51. Bf1 Kxf3 52. Bd3 f4 53. Bc2 g4 54. Bd1+ Kg3 55. Kxa5 f3 56. Kxb4 Kf4 57. Kc5 g3 58. Kd5 g2 59. Ba4 f2 60. Bb5 f1=Q 61. Bxf1 gxf1=Q 62. Kd4 Qb5 63. Kc3 Ke3 64. Kc2 Be5 65. Kc1 Qb2+ 66. Kd1 Qd2# |
| ECO A05 in 2003 play it! yace defeats white's bountyhunter in 95 moves | 1. Nf3 Nf6 2. c4 e6 3. d4 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 Nxd5 7. Qc2 Nxc3 8. Qxc3 h6 9. b4 Be7 10. Bb2 O-O 11. e3 Nd7 12. Rd1 a5 13. b5 Rc8 14. Bc4 c6 15. bxc6 Bxc6 16. d5 Bf6 17. Qb3 Bxd5 18. Bxd5 Nc5 19. Qb5 exd5 20. O-O Bxb2 21. Qxb2 Na4 22. Qa1 Rc5 23. Rd3 Qc7 24. Nd4 Rc8 25. Ne2 b5 26. Qb1 Qd7 27. Rfd1 Qg4 28. Re1 Rc2 29. Rd4 Qd7 30. Nf4 R2c5 31. Nd3 R5c7 32. Ne5 Qe7 33. Nf3 Qxa3 34. Qxb5 Nc3 35. Qb6 Ne4 36. Qa6 Qa2 37. Qf1 Rc2 38. Ra1 Qb2 39. Rb1 Qa3 40. Ra1 Ra2 41. Rxa2 Qxa2 42. Rd1 Rc2 43. Ra1 Qb2 44. Rb1 Qc3 45. Qb5 Rc1+ 46. Rxc1 Qxc1+ 47. Qf1 Qxf1+ 48. Kxf1 |
| ECO A06 in 2005 play it! yace defeats white's orcrist by checkmate in 128 moves | 1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. Nc3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5 Nbd7 11. g3 Bb7 12. Bg2 Qb6 13. exf6 O-O-O 14. O-O c5 15. d5 b4 16. Rb1 Qa6 17. dxe6 Bxg2 18. e7 Bxf1 19. Qd5 Bh6 20. Bxh6 Bd3 21. exd8=Q+ Kxd8 22. Re1 bxc3 23. Bc1 cxb2 24. Bxb2 Qb5 25. Re7 Kc8 26. Qa8+ Qb8 27. Qc6+ Qc7 28. Qa6+ Kb8 29. Qb5+ Kc8 30. Qa6+ Kb8 31. Qb5+ Kc8 32. Be5 Nxe5 33. Rxc7+ Kxc7 34. Qxc5+ Nc6 35. Qd5 Rd8 36. Qxf7+ Rd7 37. Qf8 c3 38. Qc5 c2 39. Kg2 Rf7 40. Qg5 Rxf6 41. Qxf6 c1=Q 42. h4 Bc4 43. Qf5 Bxa2 44. h5 Qd1 45. Qf4+ Kd7 46. g4 Bd5+ 47. Kg3 Nd4 48. Qe3 Qg1+ 49. Kf4 Qh2+ 50. Kg5 Nf3+ 51. Kf5 Qb8 52. Qc3 Qf8+ 53. Qf6 Be4+ 54. Kxe4 Qxf6 55. h6 Qxh6 56. Kxf3 Qh4 57. Ke3 Qxg4 58. f3 Qc4 59. f4 Ke6 60. Kf3 Qd3+ 61. Kg4 Qe3 62. Kh5 Qg3 63. f5+ Kxf5 64. Kh6 Qg6# |
| ECO A05 in 2003 play it! yace defeats white's longday1 in 87 moves | 1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. c4 dxc4 5. Na3 b5 6. d3 e6 7. d4 Bd6 8. O-O O-O 9. b3 cxb3 10. axb3 Bb7 11. Ne5 Qe7 12. Qd3 a5 13. f4 a4 14. bxa4 Rxa4 15. Bb2 Nd5 16. Nc2 Rxa1 17. Rxa1 Nd7 18. Qb3 Rb8 19. e4 N5b6 20. h3 Nxe5 21. fxe5 Bc7 22. Ba3 Qd7 23. Bc5 Na4 24. Qb4 Nxc5 25. Qxc5 Qd8 26. Kh2 Bb6 27. Qb4 Rc8 28. Rd1 Ra8 29. Qb2 Ra4 30. Rd3 Qa8 31. Rb3 Ra2 32. Qc3 Qa4 33. Nb4 Ba5 34. Rb1 h6 35. d5 cxd5 36. Qc5 Bxb4 37. Rxb4 Qd1 38. Qg1 Qe2 39. Kh1 dxe4 40. Rb3 Bd5 41. Re3 Qd2 42. Kh2 Rc2 43. h4 Rc1 44. Re2 |
| ECO A13 in 2005 play it! yace defeats white's siliconcheater in 84 moves | 1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Qc2 Bd6 7. Be2 O-O 8. O-O dxc4 9. Bxc4 b5 10. Bd3 Bb7 11. e4 e5 12. dxe5 Nxe5 13. Nxe5 Bxe5 14. h3 b4 15. Na4 Bd4 16. e5 Bxe5 17. Nc5 Bc8 18. Re1 Qc7 19. Re2 a5 20. Bg5 h6 21. Bxf6 Bxf6 22. Rd1 Be7 23. Bh7+ Kh8 24. Be4 Bd6 25. Rde1 Re8 26. Bf3 Rxe2 27. Rxe2 g6 28. Re8+ Kg7 29. b3 Be7 30. Qb2+ Bf6 31. Qc1 Bd4 32. Qc4 Bf6 33. Bg4 h5 34. Bf3 Rb8 35. Re1 Ra8 36. Re8 Rb8 37. Re1 Bc3 38. Rd1 Be5 39. Re1 Rb6 40. Re3 Qd6 41. Rd3 Qe7 42. Rd1 Bc7 |
| ECO A11 in 2004 play it! yace defeats white's tal000 in 68 moves | 1. c4 c6 2. d4 d5 3. Bf4 dxc4 4. e3 b5 5. a4 Nf6 6. axb5 cxb5 7. Qf3 Nd5 8. Nc3 e6 9. Nxb5 Bb4+ 10. Kd1 O-O 11. Bxc4 Qb6 12. Ra4 Na6 13. Rxb4 Naxb4 14. Bd6 Qa5 15. Na3 Rd8 16. Be7 Rd7 17. Bc5 Bb7 18. e4 Nf6 19. Bb5 Nxe4 20. Bxd7 Nxc5 21. Qh5 Nbd3 22. Qe2 Nxd7 23. Qxd3 Bxg2 24. Qb5 Qxb5 25. Nxb5 Rb8 26. Nxa7 Bxh1 27. Kd2 Rxb2+ 28. Kd3 Rxf2 29. Nb5 Rxh2 30. Ne2 g5 31. Nd6 h5 32. Ke3 h4 33. Nb5 Bd5 34. Nbc3 f5 |
| ECO A10 in 2003 play it! yace defeats white's tombraider in 125 moves | 1. c4 d6 2. d4 g6 3. Nc3 Bg7 4. e4 Nf6 5. f3 O-O 6. Be3 e5 7. Nge2 c6 8. Qd2 Nbd7 9. O-O-O a6 10. Kb1 b5 11. Nc1 exd4 12. Bxd4 Re8 13. Nb3 Bf8 14. c5 dxc5 15. Bxc5 Bg7 16. g4 a5 17. g5 a4 18. Na1 Nd5 19. Bd4 Bxd4 20. Qxd4 Nxc3+ 21. Qxc3 Qb6 22. Qd4 Qa5 23. h4 Ne5 24. Be2 Be6 25. h5 Rad8 26. Qe3 gxh5 27. f4 Nc4 28. Bxc4 Bxc4 29. Nc2 Bd5 30. Rd4 Qb6 31. Rxd5 Qxe3 32. Nxe3 cxd5 33. Nxd5 Rd6 34. Rxh5 Rxe4 35. Nf6+ Rxf6 36. gxf6 Rxf4 37. Rxb5 Rxf6 38. Rb4 Ra6 39. Kc2 h6 40. Kc3 Kg7 41. Rg4+ Kf6 42. Rf4+ Kg6 43. Rg4+ Kf5 44. Rg7 f6 45. Rg2 h5 46. Rh2 Kg5 47. Rg2+ Kf5 48. Rh2 Kg4 49. Rg2+ Kh3 50. Rg7 h4 51. b4 axb3 52. axb3 f5 53. Kd4 Re6 54. b4 Re4+ 55. Kc5 f4 56. Rf7 Kg2 57. Rg7+ Kf1 58. b5 f3 59. b6 h3 60. Rg8 Re7 61. Ra8 f2 62. Ra7 Re8 63. Kd6 |
| ECO A13 in 2005 play it! yace defeats white's excalibar in 114 moves | 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. d4 dxc4 5. Bg2 a6 6. O-O Nc6 7. e3 Bd7 8. Qe2 b5 9. Rd1 Be7 10. e4 O-O 11. Nc3 Bb4 12. a4 Na5 13. axb5 axb5 14. Ne5 Be8 15. Bg5 h6 16. Be3 Nb3 17. Rxa8 Qxa8 18. Ng4 Nxg4 19. Qxg4 f5 20. Qe2 Qa5 21. exf5 exf5 22. Nd5 Bd6 23. Bf4 Bxf4 24. Nxf4 Bf7 25. Bd5 Bxd5 26. Nxd5 Qa7 27. Qe6+ Kh7 28. Qe7 Qb7 29. Nf4 Qf3 30. Re1 Rf6 31. Qxc7 Nd2 32. Qa5 c3 33. bxc3 Qb7 34. Rd1 Nf3+ 35. Kg2 Nxd4+ 36. Kh3 Nf3 37. Rd5 Rb6 38. Kg2 g5 39. Rd7+ Qxd7 40. Qxb6 gxf4 41. Qc5 Ne1+ 42. Kf1 Nd3 43. Qb6 Qe7 44. Qd4 Qe1+ 45. Kg2 Qxf2+ 46. Qxf2 Nxf2 47. Kxf2 fxg3+ 48. Kxg3 Kg6 49. Kf4 h5 50. Kg3 Kg5 51. h4+ Kf6 52. Kf4 Ke6 53. Ke3 Ke5 54. Kd2 Ke4 55. Ke1 Ke3 56. Kd1 Kd3 57. Ke1 Kxc3 |
| ECO A35 in 2003 play it! yace defeats white's bountyhunter in 138 moves | 1. c4 c5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nc7 7. O-O e5 8. d3 Be7 9. Nd2 Bd7 10. Nc4 f6 11. f4 b5 12. Ne3 exf4 13. gxf4 O-O 14. Ned5 Rb8 15. Nxc7 Qxc7 16. Nd5 Qd8 17. Nxe7+ Qxe7 18. e4 Nd4 19. Be3 b4 20. Bxd4 cxd4 21. f5 Rfc8 22. Kh1 a5 23. Rg1 Rc7 24. Rc1 Rbc8 25. Rxc7 Rxc7 26. Bf3 Bb5 27. Bh5 Qc5 28. Qd2 Qc2 29. Rd1 Rc8 30. Kg1 Rc5 31. h4 g6 32. Bg4 h5 33. Bh3 Qxd2 34. Rxd2 g5 35. hxg5 Rc1+ 36. Kf2 fxg5 37. Bf1 Kf7 38. Be2 h4 39. e5 Rc5 40. e6+ Kf6 41. Bg4 Re5 42. Re2 Bxd3 43. Rxe5 Kxe5 44. a3 Kf6 45. axb4 axb4 46. Bh3 Bb5 47. Bg4 Bc6 48. Bh3 d3 49. Ke3 Be4 50. Kd2 Bf3 51. Kxd3 g4 52. Ke3 Kxf5 53. e7 Bc6 54. Bg2 Be8 55. Bb7 Ke5 56. b3 g3 57. Kf3 Bd7 58. Ba8 Kf6 59. e8=Q Bxe8 60. Kg4 Ke5 61. Kxh4 Bf7 62. Kxg3 Bd5 63. Kf2 Bxa8 64. Ke2 Ke4 65. Kf2 Bd5 66. Kg3 Bxb3 67. Kg4 Bd5 68. Kg5 b3 69. Kf6 b2 |
| ECO A11 in 2005 play it! yace defeats white's arasanx in 85 moves | 1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Nc3 e6 5. b3 Bd6 6. Bb2 O-O 7. d4 Nbd7 8. Bd3 Re8 9. O-O e5 10. Nxe5 Nxe5 11. dxe5 Bxe5 12. cxd5 Nxd5 13. Nxd5 Bxb2 14. Rb1 Be5 15. Nf4 Qd6 16. Re1 g5 17. g3 Rd8 18. Qh5 gxf4 19. Bxh7+ Kg7 20. Rbd1 Qf6 21. Rxd8 Qxd8 22. Qxe5+ Kxh7 23. exf4 Kg8 24. Qg5+ Qxg5 25. Re8+ Kg7 26. fxg5 b6 27. f4 c5 28. f5 Bb7 29. Re7 Bf3 30. g6 Rf8 31. h3 Kf6 32. Rxf7+ Rxf7 33. gxf7 Kxf7 34. g4 Be4 35. Kf2 Bb1 36. a3 a5 37. h4 Bc2 38. h5 Kg7 39. Kg3 b5 40. Kf4 Kh6 41. Kg3 Bxf5 42. gxf5 b4 43. axb4 |
| ECO A11 in 2003 play it! yace defeats white's tombraider in 82 moves | 1. c4 c6 2. e4 d5 3. exd5 cxd5 4. d4 Nf6 5. Nc3 e6 6. Nf3 Bb4 7. cxd5 Nxd5 8. Qc2 Nc6 9. Be2 O-O 10. O-O Be7 11. Rd1 Bf6 12. Ne4 h6 13. Nxf6+ Qxf6 14. Qe4 Qe7 15. Ne5 Qd6 16. Nxc6 Qxc6 17. Bd3 f5 18. Qe5 Bd7 19. b3 Rf6 20. Ba3 Rg6 21. g3 b6 22. Rac1 Qb7 23. Rd2 Rc8 24. Rdc2 Rxc2 25. Rxc2 a5 26. Be2 Kh7 27. Bh5 Rf6 28. Bd6 Bc6 29. f4 Bb5 30. Bf3 Qd7 31. Bh5 Bd3 32. Rc1 Be4 33. a4 b5 34. Bd1 bxa4 35. bxa4 Qb7 36. Be2 Qb2 37. Re1 Qd2 38. Kf2 Ne3 39. Be7 Ng4+ 40. Kf1 Nxh2+ 41. Kf2 Ng4+ |
| ECO A30 in 2005 play it! yace defeats white's goodboy in 92 moves | 1. c4 c5 2. Nf3 Nf6 3. Nc3 e6 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. d4 cxd4 8. Qxd4 d6 9. Rd1 a6 10. Bg5 Nbd7 11. Nd2 Bxg2 12. Kxg2 Rc8 13. Nde4 Rc6 14. b3 O-O 15. Rac1 Qc7 16. Kg1 Rc8 17. Rc2 h6 18. Bd2 Nxe4 19. Qxe4 Qd8 20. Rcc1 Bg5 21. f4 Bf6 22. f5 Bxc3 23. Bxc3 e5 24. Bb4 b5 25. Rxd6 Rxd6 26. Bxd6 Qb6+ 27. c5 Nxc5 28. Rxc5 Rxc5 29. Bxc5 Qxc5+ 30. Kg2 Qa3 31. Qc2 f6 32. Kf2 Qb4 33. a4 h5 34. axb5 axb5 35. Qd3 Qc5+ 36. Qe3 Qd5 37. Qd3 Qxd3 38. exd3 g6 39. fxg6 Kg7 40. Ke3 f5 41. d4 e4 42. d5 Kxg6 43. Kd4 Kf6 44. b4 Ke7 45. Kc3 Kd7 46. Kd4 Kd6 |
| ECO A02 in 2005 play it! yace defeats white's amazinggrace in 100 moves | 1. f4 Nc6 2. g3 d5 3. Nc3 Nf6 4. Bg2 e6 5. Nf3 d4 6. Nb5 a6 7. Na3 Bc5 8. Nc4 O-O 9. O-O Nd5 10. a3 b5 11. Nce5 Bb7 12. Nxc6 Bxc6 13. b4 Bb6 14. Kh1 a5 15. Ne5 Bb7 16. Bb2 axb4 17. axb4 Qd6 18. Ba3 Rfb8 19. Qb1 Ra4 20. Nd3 Nf6 21. Bxb7 Rxb7 22. Rf3 Rba7 23. Ne5 Qd5 24. Qb3 c5 25. Qxd5 Nxd5 26. bxc5 Bxc5 27. Bxc5 Rxa1+ 28. Kg2 R7a2 29. Bxd4 Rd1 30. Rd3 Rxc2 31. Ra3 h5 32. Ra8+ Kh7 33. Nf3 Rcxd2 34. Nxd2 Rxd2 35. Bf2 Rxe2 36. Kf3 Rc2 37. Rb8 b4 38. Rb7 Kg6 39. h4 f6 40. Be1 Kf5 41. Bf2 g6 42. Rb8 Rc3+ 43. Kg2 b3 44. Be1 Rc2+ 45. Kf3 e5 46. fxe5 fxe5 47. Rf8+ Nf6 48. Ke3 Rc1 49. Rb8 Rxe1+ 50. Kf2 Rb1 |
| ECO A02 in 2003 play it! yace defeats white's ghost by checkmate in 138 moves | 1. f4 Nf6 2. g3 d5 3. Bg2 g6 4. Nf3 Bg7 5. O-O O-O 6. d3 c5 7. c3 Nc6 8. Qc2 d4 9. a3 Ng4 10. Ng5 dxc3 11. bxc3 c4 12. Bxc6 cxd3 13. exd3 Qb6+ 14. d4 bxc6 15. Rd1 Bf5 16. Qe2 c5 17. Be3 Rad8 18. Nf3 Nxe3 19. Qxe3 Bg4 20. d5 e6 21. Nbd2 Rxd5 22. Ne4 c4 23. Qxb6 axb6 24. Rf1 Bf5 25. Rfe1 b5 26. Ne5 Ra8 27. Nf2 g5 28. Ra2 gxf4 29. gxf4 Bf8 30. Rea1 Bc5 31. Kg2 Rad8 32. Rb2 f6 33. Nf3 Bd6 34. Nd4 Bxf4 35. a4 bxa4 36. Nxf5 Rxf5 37. Rxa4 Rg5+ 38. Kf1 Bxh2 39. Rxc4 Rg1+ 40. Ke2 f5 41. Rc6 e5 42. Rf6 Rf8 43. Rbb6 Rxf6 44. Rxf6 Rg5 45. c4 e4 46. Rh6 Bf4 47. Rh1 Rg2 48. Kf1 Rh2 49. Rxh2 Bxh2 50. Ke2 Bf4 51. Nh3 Bh6 52. Nf2 Kf7 53. Nd1 Ke6 54. Nc3 Bf8 55. Kf2 Ke5 56. Ne2 f4 57. Nc1 f3 58. Kg3 h5 59. Nb3 h4+ 60. Kg4 Bb4 61. Kh3 e3 62. Nc1 f2 63. Nd3+ Ke4 64. Nxf2+ exf2 65. Kg2 Be1 66. Kf1 Kf3 67. c5 h3 68. c6 h2 69. c7 h1=Q# |
| ECO A00 in 2005 play it! yace defeats white's crazychips by checkmate in 110 moves | 1. Nc3 Nf6 2. d3 d5 3. Nf3 Bg4 4. Ne5 Bh5 5. Nb5 c6 6. Nd4 e6 7. Bf4 Bd6 8. Bg3 O-O 9. Qd2 Qc7 10. Qg5 h6 11. Qe3 c5 12. Ndf3 Bxf3 13. exf3 Nh5 14. Ng4 Nf4 15. d4 cxd4 16. Qxd4 Qxc2 17. Ne3 Qc7 18. Qa4 Nc6 19. Bb5 Bb4+ 20. Kf1 Bd6 21. Rc1 Rfc8 22. Bxc6 bxc6 23. Bxf4 Bxf4 24. Kg1 Rab8 25. b3 a5 26. Rd1 Rb4 27. Qa3 Bd6 28. Qb2 a4 29. Nc2 Rb6 30. b4 c5 31. b5 Rcb8 32. Rb1 Qc6 33. Na3 c4 34. Rd1 Qc5 35. Nc2 Rxb5 36. Qc1 Rb2 37. a3 Ra2 38. Qd2 Rbb2 39. Rc1 Bf4 40. Qxf4 Rxc2 41. Rxc2 Rxc2 42. Qe3 c3 43. h3 Qxe3 44. fxe3 Rc1+ 45. Kh2 Rxh1+ 46. Kxh1 c2 47. Kh2 c1=Q 48. h4 Qxe3 49. Kh3 d4 50. Kg3 d3 51. Kh3 d2 52. Kg3 d1=Q 53. Kg4 Qe4+ 54. Kh3 Qh1+ 55. Kg3 Qexh4# |