| ECO A05 in 2004 play it! fritz defeats white's fritz in 108 moves | 1. Nf3 Nf6 2. g3 d6 3. c4 e5 4. Bg2 Be7 5. Nc3 c6 6. O-O O-O 7. e4 Nbd7 8. d4 Qa5 9. Bg5 Qb4 10. Qb3 a5 11. dxe5 Nxe5 12. Nxe5 dxe5 13. Na4 Be6 14. Rfd1 Rfd8 15. Rxd8+ Bxd8 16. h3 Bxc4 17. Qc2 Be7 18. b3 Bb5 19. Rd1 Rd8 20. Rxd8+ Bxd8 21. Bd2 Qa3 22. Nc5 b6 23. Nb7 Be7 24. Bf1 Bxf1 25. Kxf1 a4 26. bxa4 Qf3 27. Bg5 Nxe4 28. Bxe7 Nxg3+ 29. Ke1 Nf5 30. Bd6 Nd4 31. Qc4 Qxh3 32. a3 Qf3 33. Bb8 Qe4+ 34. Kd1 Qg4+ 35. Kd2 Qf4+ 36. Kd1 Qxf2 37. Qd3 Qg1+ 38. Kd2 Qh2+ 39. Kd1 Qh1+ 40. Kd2 h6 41. Bc7 Qg2+ 42. Kc3 c5 43. Bxe5 Qxb7 44. Bxd4 cxd4+ 45. Qxd4 g5 46. Kd2 Kh7 47. Qd3+ Kg7 48. Ke1 Qe7+ 49. Kf2 g4 50. Kg3 Qf6 51. Kg2 Qf3+ 52. Qxf3 gxf3+ 53. Kxf3 f5 54. Kg3 Kf6 |
| ECO A05 in 2002 play it! fritz defeats white's fritz in 56 moves | 1. Nf3 Nf6 2. c4 g6 3. d4 Bg7 4. Nc3 d5 5. Qb3 dxc4 6. Qxc4 Bg4 7. Qb5+ Nbd7 8. Qxb7 c5 9. e3 Rb8 10. Qxa7 Ra8 11. Qb7 Rb8 12. Qc6 Rc8 13. Qa4 Bxf3 14. gxf3 O-O 15. Nb5 e5 16. dxc5 Nxc5 17. Qc2 e4 18. Qd1 Qe7 19. Bd2 Rfd8 20. b4 Ne6 21. Rc1 Rxc1 22. Qxc1 exf3 23. Bc3 Ne4 24. Bxg7 Nxg7 25. a3 Qh4 26. Qb2 Rc8 27. Bc4 Rxc4 28. Rf1 Nf5 |
| ECO A05 in 2002 play it! fritz defeats white's fritz by checkmate in 140 moves | 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. d4 dxc4 5. Bg2 Bb4+ 6. Bd2 Bd6 7. O-O Nbd7 8. Bg5 h6 9. Bc1 O-O 10. Nbd2 Nb6 11. Qc2 Nfd5 12. Nxc4 Nxc4 13. Qxc4 a5 14. Ne5 a4 15. f4 a3 16. b3 b6 17. Qc6 Ra7 18. Bd2 Bb7 19. Qc2 c5 20. e4 Nb4 21. Bxb4 Bxe5 22. dxe5 Qd4+ 23. Kh1 Qxb4 24. Rfd1 Ba6 25. Rd6 Rc8 26. Rad1 c4 27. bxc4 Rxc4 28. Qf2 Qb2 29. Rd8+ Kh7 30. R8d2 Rc1 31. Bf3 Rxd1+ 32. Bxd1 Qb1 33. h3 Bd3 34. Kh2 Ra5 35. Bb3 Rb5 36. g4 Bxe4 37. Rd1 Qb2 38. Rd2 Rxb3 39. axb3 Qxb3 40. Rd7 a2 41. Ra7 Bd5 42. Ra6 Qb1 43. Qd2 g5 44. fxg5 Qe4 45. Qf2 Qxe5+ 46. Kg1 a1=Q+ 47. Rxa1 Qxa1+ 48. Kh2 Qe5+ 49. Kg1 hxg5 50. Qxf7+ Kh6 51. Qf8+ Qg7 52. Qxg7+ Kxg7 53. Kf2 e5 54. Ke2 b5 55. Kd2 b4 56. Kc1 e4 57. Kd1 b3 58. Kd2 b2 59. Kc2 e3 60. Kxb2 e2 61. Kc3 e1=Q+ 62. Kd3 Qd1+ 63. Kc3 Qe2 64. h4 Qe3+ 65. Kb4 gxh4 66. Kb5 h3 67. Kb4 h2 68. g5 h1=Q 69. Kb5 Qb1+ 70. Ka5 Qa7# |
| ECO A04 in 2003 play it! fritz defeats white's fritz by checkmate in 136 moves | 1. Nf3 c5 2. e4 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qc7 8. Qf3 b5 9. Bxf6 gxf6 10. a3 Bb7 11. f5 e5 12. Nb3 Nd7 13. Rd1 Nc5 14. Nd2 Bh6 15. Ndb1 Nd7 16. Qd3 Rd8 17. Qh3 Bg5 18. Qf3 Nb6 19. Be2 Qc5 20. Nd2 Qe3 21. Nd5 Qxf3 22. Bxf3 Bxd5 23. exd5 Bxd2+ 24. Kxd2 Nc4+ 25. Kc1 Ne3 26. Rd2 Rg8 27. g3 Rc8 28. Rf2 Ke7 29. c3 Nxf5 30. Be4 Ne3 31. Kd2 Nc4+ 32. Kd3 Rg7 33. Ra1 Nb6 34. Raf1 Rc4 35. Rc2 Rc5 36. Rf5 a5 37. b4 Rc4 38. Rf1 a4 39. Rf3 Rc7 40. Rd2 Rg4 41. h3 Rg5 42. g4 h5 43. Rdf2 f5 44. gxf5 Kf6 45. Ra2 h4 46. Rff2 Rc8 47. Rg2 Rcg8 48. Rxg5 Rxg5 49. Bf3 Rg3 50. Ke4 Nc4 51. Rh2 Nxa3 52. Rh1 Nc4 53. Rh2 a3 54. Ra2 Rxh3 55. Rc2 Rg3 56. Rf2 Rg1 57. Ra2 Re1+ 58. Kd3 Re3+ 59. Kc2 Rxf3 60. Kd1 Rg3 61. Ke1 h3 62. Kf1 Ne3+ 63. Kf2 Rg2+ 64. Kf3 Rxa2 65. Kxe3 h2 66. Kf3 h1=Q+ 67. Kg3 Rh2 68. c4 Qg2# |
| ECO A05 in 2002 play it! fritz defeats white's fritz in 138 moves | 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. d4 dxc4 5. Bg2 Be7 6. O-O O-O 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4 11. Qc1 Nbd7 12. Ba5 Rc8 13. Nc3 Ba8 14. a4 bxa4 15. Nxa4 Qe8 16. b4 Nb6 17. Nc5 Qb5 18. Qc2 Bxc5 19. dxc5 Rfd8 20. Rfd1 Be4 21. Qb3 Bd5 22. Qd3 Qxd3 23. Rxd3 Nc4 24. h3 Kf8 25. Rdd1 Ke8 26. Rdc1 e5 27. Nh4 Nd2 28. Rc3 Bxg2 29. Kxg2 e4 30. Nf5 Nd5 31. Rc2 Nb3 32. Rb1 Nxa5 33. bxa5 g6 34. Nh6 Rb8 35. Rcb2 Rxb2 36. Rxb2 f6 37. f3 Ne3+ 38. Kg1 Rd5 39. Rb4 exf3 40. Re4+ Re5 41. exf3 Rxe4 42. fxe4 Nc4 43. Ng4 Ke7 44. Kf2 Nxa5 45. Ke3 Nb3 46. c6 Na5 47. Kd4 h5 48. Ne3 Kd6 49. Nd5 Nxc6+ 50. Ke3 f5 51. Nf4 Ne7 52. exf5 Nxf5+ 53. Kd3 Nxg3 54. Nxg6 Kc5 55. Nf4 a5 56. Ne6+ Kd6 57. Nf4 Ke5 58. Ng6+ Kf5 59. Nh4+ Kg5 60. Ng2 Nh1 61. h4+ Kg4 62. Kc4 Ng3 63. Kb5 Nf5 64. Kxa5 Kg3 65. Ne1 Nxh4 66. Nd3 Nf5 67. Nc1 h4 68. Ka4 h3 69. Ne2+ Kf2 |
| ECO A05 in 2002 play it! fritz defeats white's fritz in 84 moves | 1. Nf3 Nf6 2. d4 g6 3. g3 Bg7 4. c4 O-O 5. Bg2 d6 6. Nc3 Nc6 7. O-O a6 8. h3 Rb8 9. e4 b5 10. e5 dxe5 11. dxe5 Qxd1 12. Rxd1 Nd7 13. e6 fxe6 14. cxb5 axb5 15. Bf4 b4 16. Na4 Nb6 17. Nxb6 Rxb6 18. Rac1 Bxb2 19. Bxc7 Ra6 20. Rc4 e5 21. Ng5 Nd4 22. Rxb4 Ne2+ 23. Kh1 Bd4 24. Bd5+ e6 25. Bc4 Rc6 26. Bxe2 Rxc7 27. Bg4 Re7 28. Rdb1 h5 29. Bd1 Bxf2 30. g4 Bc5 31. Rb5 Bd4 32. Rb8 Ba7 33. R8b3 Ba6 34. gxh5 Bc4 35. Rf3 Bd5 36. hxg6 Rg7 37. Kh2 Bxf3 38. Nxf3 Rxg6 39. Rb4 Be3 40. h4 Bf4+ 41. Kh1 Rg3 42. a4 Rc8 |
| ECO A09 in 2004 play it! fritz defeats white's fritz in 50 moves | 1. Nf3 d5 2. c4 c6 3. d4 Nf6 4. Nc3 e6 5. Bg5 h6 6. Bxf6 Qxf6 7. e3 Nd7 8. Bd3 dxc4 9. Bxc4 g6 10. O-O Bg7 11. Rc1 O-O 12. Re1 Rd8 13. Qc2 Qe7 14. a3 b6 15. e4 Bb7 16. Rcd1 b5 17. Ba2 a6 18. d5 c5 19. Re3 Ne5 20. Nxe5 Bxe5 21. Rh3 c4 22. b3 cxb3 23. Qxb3 Rac8 24. Kf1 Rc4 25. Qc2 Rc5 |
| ECO A09 in 2003 play it! fritz defeats white's deep fritz in 120 moves | 1. Nf3 d5 2. c4 e6 3. d4 Nf6 4. g3 dxc4 5. Bg2 Nc6 6. Qa4 Bb4+ 7. Bd2 Nd5 8. Bxb4 Ndxb4 9. a3 b5 10. Qxb5 Nc2+ 11. Kd2 Nxa1 12. Qxc6+ Bd7 13. Qxc4 c5 14. Qa2 Rc8 15. Qxa1 cxd4 16. b3 e5 17. Rc1 f6 18. Qb2 Rxc1 19. Kxc1 O-O 20. Nbd2 Be6 21. Kd1 a5 22. Ke1 Qc7 23. Kf1 Qc3 24. Qb1 Rc8 25. Kg1 Qc1+ 26. Qxc1 Rxc1+ 27. Nf1 Bxb3 28. N3d2 Bd1 29. e3 a4 30. exd4 exd4 31. Be4 Be2 32. f4 Bxf1 33. Nxf1 Ra1 34. Kf2 Rxa3 35. Nd2 Kf8 36. Ke2 Ra2 37. Bb1 Ra1 38. Bc2 a3 39. Bb3 Rh1 40. Nf3 Rb1 41. Nxd4 a2 42. Ne6+ Kf7 43. Nd4+ Ke7 44. Nf5+ Kf8 45. Bxa2 Rb2+ 46. Kf3 Rxa2 47. h3 Ra3+ 48. Kf2 h5 49. Nh4 g5 50. fxg5 fxg5 51. Nf5 Kf7 52. Ne3 Ke6 53. h4 g4 54. Ke2 Rc3 55. Kd2 Rb3 56. Ke2 Ke5 57. Nc4+ Kd5 58. Ne3+ Ke4 59. Nc4 Rxg3 60. Nd6+ Kf4 |
| ECO A05 in 2002 play it! fritz defeats white's deep fritz in 128 moves | 1. Nf3 Nf6 2. d4 g6 3. c4 Bg7 4. Nc3 d5 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Na6 8. Be2 c5 9. d5 e6 10. O-O exd5 11. exd5 Bf5 12. Bf4 Re8 13. Rad1 Ne4 14. Nb5 Qf6 15. Bd3 Rad8 16. Be5 Rxe5 17. Nxe5 Qxe5 18. Rde1 Nd2 19. Rxe5 Nxc4 20. Rxf5 Nd2 21. Rg5 Nxf1 22. Bxf1 Nb4 23. Nxa7 Nxd5 24. Rg3 Ra8 25. Nb5 Rxa2 26. Rd3 Nf6 27. b3 Bf8 28. g3 b6 29. Rd8 Ne4 30. Bc4 Nxf2 31. Nc3 Rc2 32. Na4 Nh3+ 33. Kh1 Ng5 34. Rd3 Bd6 35. Re3 Bc7 36. Nc3 Kf8 37. Ne4 Nxe4 38. Rxe4 h5 39. Re2 Rxe2 40. Bxe2 Kg7 41. Bc4 f5 42. Kg2 g5 43. h3 g4 44. Bb5 Be5 45. Bc6 Kg6 46. hxg4 hxg4 47. Bb5 Kg5 48. Bd3 f4 49. gxf4+ Kxf4 50. Bc4 Ke3 51. Be6 g3 52. Bc4 Kd4 53. Kf3 Kc3 54. Bd5 b5 55. Ke3 c4 56. bxc4 bxc4 57. Be6 Bf6 58. Kf3 Bh4 59. Kg2 Kd3 60. Bf5+ Kd2 61. Be6 c3 62. Bf5 c2 63. Bxc2 Kxc2 64. Kh3 Kd3 |
| ECO A05 in 2003 play it! fritz defeats white's shredder 0 in 96 moves | 1. Nf3 Nf6 2. c4 g6 3. d4 Bg7 4. Nc3 d5 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 a6 8. e5 b5 9. Qb3 Nfd7 10. e6 fxe6 11. Be3 Nf6 12. a4 bxa4 13. Rxa4 Nd5 14. Bc4 c6 15. O-O Nd7 16. Raa1 Rb8 17. Qa2 Kh8 18. Rae1 a5 19. Bc1 Nb4 20. Qb1 Nb6 21. Be2 e5 22. dxe5 Bf5 23. Ne4 Qd5 24. Nfg5 Qxe5 25. g4 Bxe4 26. Nxe4 Na4 27. b3 Nc3 28. Nxc3 Qxc3 29. Rd1 Nd5 30. Bd2 Qh3 31. Qe4 Rxb3 32. f3 Rb2 33. Rf2 Qh4 34. Qc4 Be5 35. Qc5 a4 36. Bc1 Ra2 37. Bd2 Bc7 38. Be3 Nxe3 39. Qxe3 Qf6 40. Rd7 Bf4 41. Qe4 a3 42. Ra7 Bd6 43. Ra6 Bc5 44. Rxc6 Qd4 45. Rxc5 Qxc5 46. Kg2 Rd2 47. Rf1 a2 48. Kh3 e5 |
| ECO A05 in 2003 play it! fritz defeats white's deep fritz by checkmate in 86 moves | 1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. O-O Bg4 5. d3 Nbd7 6. Nbd2 e5 7. e4 dxe4 8. dxe4 Bc5 9. h3 Bh5 10. Qe1 O-O 11. Nb3 Bb6 12. a4 a6 13. a5 Ba7 14. Be3 Bxe3 15. Qxe3 Qe7 16. Nh4 Rad8 17. f3 Qb4 18. Rfd1 c5 19. Qd2 Qb5 20. Bf1 c4 21. Qc3 Nb6 22. Nd2 Na4 23. Qxc4 Nxb2 24. Qxb5 axb5 25. Rdb1 g5 26. Rxb2 Rxd2 27. g4 gxh4 28. gxh5 Nxh5 29. Bxb5 Nf4 30. Bf1 Kh8 31. Kh1 Rg8 32. Rxb7 Nh5 33. c4 Ng3+ 34. Kg1 Nxe4+ 35. Kh1 Nf2+ 36. Kh2 Rg3 37. Bg2 Nxh3 38. Rg1 Nxg1 39. Rb8+ Kg7 40. Kh1 Rdxg2 41. Rb2 Rxb2 42. f4 Nf3 43. fxe5 Rg1# |
| ECO A05 in 2002 play it! fritz defeats white's deep fritz in 113 moves | 1. Nf3 Nf6 2. b3 d5 3. Bb2 c6 4. g3 Nbd7 5. Bg2 e6 6. O-O Bd6 7. d4 Ne4 8. Nfd2 f5 9. Nxe4 fxe4 10. f3 exf3 11. exf3 O-O 12. f4 Qf6 13. c4 b5 14. cxb5 cxb5 15. Nc3 Rb8 16. Re1 Rf7 17. Rc1 Ba6 18. Bf1 Nf8 19. Re3 Rb6 20. Bd3 g5 21. Qg4 h6 22. h3 Rg7 23. fxg5 Rxg5 24. Rf1 Qxf1+ 25. Bxf1 Rxg4 26. hxg4 b4 27. Na4 Rc6 28. Bxa6 Rxa6 29. Bc1 Rc6 30. Re1 Bxg3 31. Rf1 Rc2 32. Bxh6 Bh2+ 33. Kh1 Nd7 34. Bg5 Rxa2 35. Rc1 Bg3 36. Rc8+ Kf7 37. Rd8 Nf6 38. Bxf6 Kxf6 39. Nc5 Bf2 40. Re8 Bxd4 41. Rxe6+ Kf7 42. Rc6 Rb2 43. g5 Bxc5 44. Rxc5 d4 45. Rf5+ Kg6 46. Rf3 a5 47. Kg1 Ra2 48. Kf1 Ra3 49. Ke2 a4 50. Rf6+ Kxg5 51. Rd6 Rxb3 52. Rxd4 a3 53. Rd5+ Kf4 54. Ra5 Rg3 55. Kd2 a2 56. Ra8 b3 57. Ra4+ |
| ECO A06 in 2002 play it! fritz defeats white's fritz in 104 moves | 1. Nf3 d5 2. e3 Nf6 3. d4 Bg4 4. c4 dxc4 5. Bxc4 e6 6. O-O Nbd7 7. Nc3 a6 8. Be2 c5 9. b3 cxd4 10. Nxd4 Bxe2 11. Qxe2 Bd6 12. Bb2 O-O 13. Rac1 Rc8 14. f4 Bc5 15. Na4 Ba7 16. Rxc8 Qxc8 17. Rc1 Qb8 18. b4 Rc8 19. Rxc8+ Qxc8 20. Qd3 Qc7 21. Nc2 b5 22. Bxf6 Nxf6 23. Nc3 h6 24. g3 Qc6 25. Qd8+ Kh7 26. Qd3+ g6 27. Qd2 Ng4 28. Nd4 Qc4 29. Nce2 e5 30. fxe5 Nxe5 31. a3 Qd5 32. Nc3 Qxd4 33. Qxd4 Nf3+ 34. Kg2 Nxd4 35. exd4 Bxd4 36. Nd5 Be5 37. h4 f5 38. Kf3 Kg7 39. g4 Kf7 40. Ne3 Ke6 41. Nd1 Bd4 42. Kf4 fxg4 43. Kxg4 Kd5 44. Kf3 Kc4 45. Ke4 g5 46. h5 g4 47. Kf4 Kd3 48. Kxg4 Kd2 49. Kf4 Kxd1 50. Ke4 Bb2 51. Kd3 Bxa3 52. Ke3 Bxb4 |
| ECO A05 in 2002 play it! fritz defeats white's hiarcs in 90 moves | 1. Nf3 Nf6 2. g3 g6 3. Bg2 c5 4. c4 Nc6 5. O-O Bg7 6. Nc3 O-O 7. d4 d6 8. e3 Bg4 9. h3 Bxf3 10. Bxf3 Nd7 11. Bxc6 bxc6 12. b3 Qa5 13. Bb2 cxd4 14. exd4 e6 15. Ne2 Qf5 16. g4 Qf3 17. Ng3 Qf6 18. f4 Qe7 19. Qf3 d5 20. Rac1 a5 21. Rfe1 a4 22. Nf1 axb3 23. axb3 Qb4 24. Rb1 Rfb8 25. Bc3 Qd6 26. Qe3 dxc4 27. bxc4 Ra3 28. Rxb8+ Nxb8 29. c5 Qd5 30. Kh2 Nd7 31. Nd2 Nxc5 32. Ra1 Rxa1 33. Bxa1 Nd7 34. Kg1 Qa2 35. Qc3 c5 36. Nf3 cxd4 37. Nxd4 Nc5 38. Bb2 Qb1+ 39. Kh2 Nd3 40. Ba1 Nxf4 41. Qa5 Bf8 42. Qa8 e5 43. Ne6 Qc2+ 44. Kg3 Qd3+ 45. Qf3 e4 |
| ECO A05 in 2003 play it! fritz defeats white's shredder 0 in 68 moves | 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. d4 d5 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 a6 8. e5 b5 9. Qb3 Nfd7 10. e6 fxe6 11. Be3 Nf6 12. a4 bxa4 13. Rxa4 Nd5 14. h4 Nc6 15. Nxd5 exd5 16. h5 Qd6 17. hxg6 hxg6 18. Ng5 Rb8 19. Qc3 e5 20. Nf3 Rxf3 21. gxf3 exd4 22. Rxd4 Bd7 23. Qd2 Nxd4 24. Bxd4 Re8+ 25. Be3 d4 26. Be2 Bb5 27. Bxb5 axb5 28. Ke2 dxe3 29. fxe3 Bd4 30. e4 c5 31. Kd1 Qg3 32. Rf1 Ra8 33. Kc2 Ra2 34. Rb1 Qxf3 |
| ECO A04 in 2005 play it! fritz defeats white's ktulu in 96 moves | 1. Nf3 f5 2. c4 Nf6 3. Nc3 d6 4. d4 g6 5. g3 Bg7 6. Bg2 O-O 7. O-O c6 8. b3 Na6 9. Bg5 Ne4 10. Nxe4 fxe4 11. Ne1 Nc7 12. Bxe4 Bh3 13. Bg2 Bxg2 14. Kxg2 Ne6 15. Be3 c5 16. Nf3 Qb6 17. dxc5 dxc5 18. Rc1 Rad8 19. Qc2 Qc6 20. Kg1 Nd4 21. Nxd4 cxd4 22. Bg5 Rd7 23. Qd3 Rf5 24. Bd2 e5 25. f3 Qe6 26. c5 Rff7 27. Rc4 Rc7 28. Ra4 Rxc5 29. Rxa7 Rc8 30. Rc1 Rd8 31. a3 Rdf8 32. Ra5 e4 33. fxe4 Qh3 34. Bf4 h6 35. e3 g5 36. Rd1 Qg4 37. e5 gxf4 38. Qxd4 Qg5 39. exf4 Rxf4 40. Qd5+ Kh8 41. b4 Rf3 42. Qe4 Re3 43. Qg2 Qg4 44. Rf1 Rxf1+ 45. Qxf1 Qe4 46. Ra8+ Kh7 47. Rd8 Re1 48. Kf2 Rxf1+ |
| ECO A04 in 2006 play it! fritz defeats white's chess tiger 10 in 100 moves | 1. Nf3 c5 2. c4 d6 3. Nc3 Bg4 4. e3 Nc6 5. Be2 Nf6 6. d4 g6 7. d5 Na5 8. b3 Bg7 9. Bb2 O-O 10. Qd2 Qb6 11. O-O Bd7 12. Bd3 e5 13. dxe6 fxe6 14. Bb1 Rad8 15. Ng5 d5 16. cxd5 exd5 17. Rd1 Bc8 18. Qe1 Nc6 19. h3 Qc7 20. Qe2 d4 21. Qc4+ Kh8 22. Nb5 Qe7 23. exd4 a6 24. Nc3 Nxd4 25. Nge4 Nxe4 26. Bxe4 b5 27. Qd3 Nf3+ 28. Qxf3 Rxf3 29. Rxd8+ Qxd8 30. Bxf3 b4 31. Rd1 Qa5 32. Na4 Bxb2 33. Nxb2 Qxa2 34. Nd3 Qc2 35. Ne1 Qc3 36. Bd5 Bf5 37. Bc4 a5 38. g4 Be4 39. f3 Bxf3 40. Nxf3 Qxf3 41. Rd8+ Kg7 42. Rd3 Qc6 43. Bd5 Qe8 44. Kf2 a4 45. bxa4 Qxa4 46. Rf3 Qc2+ 47. Kg3 g5 48. Rf7+ Kg6 49. Rd7 Qd3+ 50. Kf2 Qxh3 |
| ECO A05 in 2002 play it! fritz defeats white's fritz in 128 moves | 1. Nf3 Nf6 2. d4 e6 3. c4 Bb4+ 4. Bd2 c5 5. Bxb4 cxb4 6. g3 b6 7. Bg2 Bb7 8. O-O O-O 9. Nbd2 a5 10. Qb3 Na6 11. Rfe1 d6 12. e4 e5 13. Qe3 Ng4 14. Qe2 Qc7 15. Nh4 Nh6 16. Nf5 Nxf5 17. exf5 Bxg2 18. Kxg2 exd4 19. f6 Qc6+ 20. Qf3 Qxf3+ 21. Nxf3 Rfc8 22. Nxd4 Rxc4 23. Rad1 gxf6 24. Re7 Nc5 25. Re2 d5 26. Nf5 Re4 27. Red2 Na4 28. Kf3 Re5 29. Ne3 d4 30. Rxd4 Nxb2 31. R1d2 Na4 32. Ng4 Rf5+ 33. Kg2 Kf8 34. Ne3 Rb5 35. g4 Nc5 36. Rd8+ Rxd8 37. Rxd8+ Ke7 38. Rd2 Ne6 39. Nf5+ Kf8 40. f3 Rd5 41. Rc2 Nc5 42. Kf1 Rd8 43. Rb2 b5 44. h4 Nd3 45. Rd2 a4 46. Rd1 a3 47. h5 b3 48. axb3 b4 49. Rd2 Rd7 50. Rc2 Ke8 51. Ne3 Kd8 52. Rc6 Ne5 53. Ra6 Rd3 54. Ke2 Rxb3 55. Nd5 Kc8 56. Nxf6 Rb2+ 57. Ke3 a2 58. Kd4 Nxf3+ 59. Kc4 Kb7 60. Ra4 Nd2+ 61. Kd5 b3 62. Ne4 Nxe4 63. Kxe4 Rd2 64. Ke5 Rd1 |
| ECO A06 in 2002 play it! fritz defeats white's fritz by checkmate in 138 moves | 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. g3 g6 5. Bg2 Bg7 6. O-O O-O 7. Nc3 Nc6 8. Qa4 Ne4 9. Rd1 Qd7 10. cxd5 exd5 11. Bf4 Nxc3 12. bxc3 h6 13. Rab1 g5 14. Bc1 Re8 15. Qc2 Rb8 16. Ne1 Qd6 17. e4 dxe4 18. Bxe4 b5 19. Ba3 b4 20. Bxb4 Nxb4 21. Rxb4 Rxb4 22. cxb4 Qxb4 23. Nf3 Qd6 24. Bc6 Rd8 25. d5 Bg4 26. Qe4 Bd7 27. Rd2 a5 28. Qc2 Rb8 29. Nd4 Bxd4 30. Rxd4 Qf6 31. Qd1 Bh3 32. Rd2 Qf5 33. d6 cxd6 34. Qe1 d5 35. Rd1 Bg4 36. Rc1 Bf3 37. Bb5 Be4 38. Be2 Rb2 39. a3 g4 40. Qf1 Kh7 41. Ra1 a4 42. Rc1 h5 43. Ra1 Rb3 44. Qc1 Qf6 45. Bd1 Kg7 46. Kf1 Bd3+ 47. Kg1 Qe5 48. Bxb3 axb3 49. Qe1 f6 50. Rd1 Qxe1+ 51. Rxe1 b2 52. f4 d4 53. Kf2 b1=Q 54. Rxb1 Bxb1 55. Ke2 Kg6 56. Kd2 Kf5 57. a4 Ke4 58. Ke2 Bc2 59. a5 Bd3+ 60. Kd2 Ba6 61. f5 Kf3 62. Kc1 Ke3 63. Kb2 d3 64. h4 gxh3 65. g4 h2 66. gxh5 h1=Q 67. Ka3 Qc1+ 68. Ka4 Qb2 69. h6 Bb5# |
| ECO A07 in 2002 play it! fritz defeats white's fritz in 84 moves | 1. Nf3 d5 2. g3 Nf6 3. d4 e6 4. Bg2 Nbd7 5. O-O c6 6. b3 Bd6 7. c4 Qe7 8. Bb2 O-O 9. Nbd2 Ne4 10. Nxe4 dxe4 11. Ne5 f5 12. Nxd7 Bxd7 13. Qd2 Rad8 14. c5 Bb8 15. Qe3 e5 16. Rad1 f4 17. gxf4 exf4 18. Qxe4 Qg5 19. h4 Qxh4 20. d5 Qg5 21. dxc6 Bxc6 22. Qc4+ Kh8 23. f3 Be5 24. Bxe5 Qxe5 25. b4 Bd5 26. Qc2 Qg5 27. Rd2 Be6 28. Rxd8 Rxd8 29. Rd1 Rxd1+ 30. Qxd1 Bh3 31. Qf1 Kg8 32. Kh1 Bxg2+ 33. Qxg2 Qxg2+ 34. Kxg2 Kf7 35. a4 g5 36. Kf2 Ke6 37. e4 fxe3+ 38. Kxe3 Kd5 39. Kd3 h5 40. f4 gxf4 41. Ke2 h4 42. Kf3 h3 |