| ECO A05 in 2003 play it! fritz defeats white's chess tiger 10 in 132 moves | 1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 e6 6. g3 Qb6 7. Nb3 Ne5 8. e4 Bb4 9. Qe2 d6 10. f4 Ng6 11. Be3 Qc7 12. Bd2 Bd7 13. a3 Bxc3 14. Bxc3 Nxe4 15. Bxg7 Rg8 16. Bd4 Nc5 17. Nd2 e5 18. Bxc5 dxc5 19. Bg2 O-O-O 20. fxe5 Nxe5 21. O-O Be6 22. b3 h5 23. Ne4 h4 24. Nf6 hxg3 25. Nxg8 gxh2+ 26. Kh1 Rxg8 27. Bd5 Bxd5+ 28. cxd5 Kb8 29. Qxh2 Qd6 30. Rad1 Ka8 31. Rf5 f6 32. Rh5 Qd8 33. Qh3 Ng4 34. Qf3 Qe8 35. Rh3 Qd7 36. Rh4 f5 37. d6 Nf6 38. Rg1 Rd8 39. Rg6 Ne4 40. Rhh6 Qf7 41. Kh2 Qd5 42. Qf4 a6 43. Rg2 Rd7 44. Rh5 Ka7 45. a4 Rf7 46. Rh3 a5 47. Rh8 Rd7 48. Rh6 Rd8 49. Rgg6 Qxb3 50. Qxf5 Qe3 51. Rh4 Nxd6 52. Qf4 Qe1 53. Rhh6 Qe4 54. Qxe4 Nxe4 55. Rh4 Rd2+ 56. Rg2 Rd4 57. Rgg4 Rxa4 58. Rxe4 Rxe4 59. Rxe4 b5 60. Re7+ Kb6 61. Re6+ Kb7 62. Kg3 a4 63. Kf4 a3 64. Re2 b4 65. Ke3 b3 66. Kd3 a2 |
| ECO A05 in 2004 play it! fritz defeats white's little goliath 0 in 140 moves | 1. Nf3 Nf6 2. b3 e6 3. c4 d5 4. g3 Be7 5. Bb2 O-O 6. Bg2 c5 7. O-O Nc6 8. e3 b6 9. Qe2 Bb7 10. d3 dxc4 11. bxc4 Qc7 12. Nc3 a6 13. Rfd1 Rac8 14. Rab1 Ba8 15. Na4 Rb8 16. Nd2 Rfd8 17. f4 b5 18. Nc3 Nb4 19. Nf3 Qa5 20. a3 Nc6 21. cxb5 axb5 22. Nd2 Na7 23. Bxa8 Rxa8 24. Qf3 Rac8 25. Nb3 Qa6 26. Ra1 Nd5 27. Nxd5 exd5 28. Qg4 g6 29. Rdc1 Qa4 30. Rc3 c4 31. Nd4 Nc6 32. Rcc1 Nxd4 33. Bxd4 f5 34. Qe2 Rc6 35. Qb2 Ra6 36. Qd2 h6 37. Rcb1 Bf8 38. Kf2 Rc8 39. dxc4 dxc4 40. Be5 Rc5 41. Kg1 Re6 42. Qd7 Qa6 43. Ra2 Qc6 44. Rd1 Qxd7 45. Rxd7 Ra6 46. Rd8 Kf7 47. Ra1 Rcc6 48. Rb8 Bxa3 49. Bc3 Bc5 50. Rxa6 Bxe3+ 51. Kf1 Rxa6 52. Rb7+ Ke6 53. Rxb5 Kd6 54. Bg7 Ra2 55. Re5 Bd4 56. Bf8+ Kc6 57. Re2 Ra1+ 58. Re1 Ra8 59. Rd1 Bb2 60. Be7 c3 61. Rd6+ Kb5 62. Bf6 Ra2 63. Rd5+ Kc4 64. Rd4+ Kb3 65. Rd3 Ba1 66. h4 Kc4 67. Rd4+ Kc5 68. Rd1 c2 69. Be7+ Kc4 70. Rc1 Kd3 |
| ECO A09 in 2003 play it! fritz defeats white's shredder by checkmate in 78 moves | 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. d4 dxc4 5. Bg2 Nc6 6. O-O Rb8 7. e3 b5 8. Qe2 Bd6 9. e4 e5 10. d5 Nb4 11. a4 a6 12. axb5 axb5 13. b3 cxb3 14. Nbd2 c5 15. dxc6 Nxc6 16. Rd1 O-O 17. Nxb3 Be6 18. Qc2 Rc8 19. Qb1 Qc7 20. Ra6 b4 21. Bf1 Bxb3 22. Qxb3 Nxe4 23. Be3 Nc3 24. Rd2 e4 25. Nh4 g6 26. Ng2 Ra8 27. Bb6 Qe7 28. Bd8 Rfxd8 29. Rxc6 Bc5 30. Rxd8+ Rxd8 31. Ne3 Rd2 32. Bc4 Bxe3 33. fxe3 Qg5 34. Rc8+ Kg7 35. Rg8+ Kxg8 36. Qd1 Qxe3+ 37. Kh1 Nxd1 38. Be2 Qxe2 39. Kg1 Qe1# |
| ECO A05 in 2003 play it! fritz defeats white's shredder 0 in 89 moves | 1. Nf3 Nf6 2. c4 c6 3. Nc3 d5 4. e3 e6 5. d4 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. O-O a6 10. e4 c5 11. d5 Qc7 12. dxe6 fxe6 13. Bc2 Be7 14. Ng5 Qc6 15. f4 O-O 16. Qe2 h6 17. e5 hxg5 18. exf6 Rxf6 19. Be4 Qb6 20. Bxb7 c4+ 21. Be3 Qxb7 22. fxg5 Rxf1+ 23. Rxf1 Rf8 24. Rxf8+ Nxf8 25. Qc2 Qc7 26. Ne4 Qe5 27. Kh1 Qf5 28. b3 Bxg5 29. Bg1 c3 30. a3 Ng6 31. Qb1 Bf6 32. Qc2 Nf4 33. a4 Qd5 34. axb5 axb5 35. h3 Qd3 36. Qxd3 Nxd3 37. Nc5 Nxc5 38. Bxc5 Bg5 39. Kg1 e5 40. Kf2 c2 41. Ba3 e4 42. Ke2 c1=N+ 43. Bxc1 Bxc1 44. Kd1 Bh6 45. Kc2 |
| ECO A06 in 2002 play it! fritz defeats white's fritz by checkmate in 116 moves | 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 Bb4 5. Bg5 dxc4 6. e4 c5 7. e5 cxd4 8. Qa4+ Nc6 9. O-O-O Bd7 10. Ne4 Be7 11. exf6 gxf6 12. Bh4 Rc8 13. Kb1 Na5 14. Qc2 e5 15. Nxd4 exd4 16. Rxd4 Qb6 17. Rd6 Rc6 18. Bxf6 Rxd6 19. Bxh8 Bf5 20. Be2 Re6 21. Bf3 Kf8 22. g4 Bg6 23. Bc3 Bf6 24. Re1 Nc6 25. Bh1 Bxc3 26. Qxc3 Qxf2 27. Ka1 Qd4 28. h4 Bxe4 29. Qxd4 Nxd4 30. Rxe4 b5 31. Rxe6 fxe6 32. g5 Kg7 33. h5 e5 34. Be4 h6 35. g6 Ne2 36. Bf3 Ng3 37. Kb1 e4 38. Bg4 e3 39. Kc2 e2 40. Kd2 b4 41. Bxe2 c3+ 42. bxc3 bxc3+ 43. Kxc3 Nxe2+ 44. Kd3 Nf4+ 45. Kc4 Nxh5 46. Kd4 Nf6 47. Ke5 Nd5 48. Kf5 h5 49. Ke6 h4 50. Ke5 h3 51. Kd4 h2 52. a3 h1=Q 53. Ke5 Qe1+ 54. Kf5 Qe3 55. a4 Qf4+ 56. Ke6 Nb6 57. Ke7 Qf6+ 58. Ke8 Qf8# |
| ECO A05 in 2003 play it! fritz defeats white's junior in 110 moves | 1. Nf3 Nf6 2. d4 d5 3. c4 e6 4. Nc3 Be7 5. Bg5 h6 6. Bh4 O-O 7. e3 b6 8. Be2 Bb7 9. Bxf6 Bxf6 10. cxd5 exd5 11. O-O Nd7 12. Rc1 Be7 13. Qb3 Nf6 14. a3 a6 15. Ne5 Bd6 16. f4 Rb8 17. Bf3 c5 18. Rcd1 c4 19. Qc2 Qe7 20. a4 Rfc8 21. h3 Rc7 22. Rf2 Rbc8 23. Kh2 Bb4 24. Ra1 Qd6 25. Rb1 Ba5 26. Rff1 Re8 27. Kh1 Qe6 28. Rf2 Rd8 29. Rc1 Qe7 30. Rcf1 Qd6 31. g4 Qe6 32. Kh2 Nh7 33. Re2 Qe7 34. e4 dxe4 35. Bxe4 Bxe4 36. Qxe4 Qd6 37. Qf5 g6 38. Qc2 Qxd4 39. f5 Re7 40. fxg6 Rxe5 41. gxh7+ Kh8 42. Rf3 b5 43. axb5 axb5 44. Ref2 Qd6 45. Kg2 Qc6 46. Rd2 b4 47. Ne2 Re3 48. Ng1 Rb3 49. Rxd8+ Bxd8 50. Qf5 Rxb2+ 51. Kf1 c3 52. Ne2 c2 53. Qe5+ f6 54. Qf4 b3 55. Qe3 Rb1+ |
| ECO A04 in 1993 play it! fritz defeats white's ocytko a in 88 moves | 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. a3 Nxd4 7. Qxd4 Qa5 8. Qf4 Be7 9. e4 O-O 10. Bd3 e5 11. Qf3 d6 12. Bg5 Be6 13. O-O Rfc8 14. Rac1 h6 15. Bd2 Bd8 16. Qe2 Qb6 17. Be3 Qc6 18. Nd5 Ng4 19. Bd2 a5 20. f4 a4 21. Kh1 exf4 22. Bxf4 Ne5 23. Bxe5 dxe5 24. Qh5 f6 25. Be2 Bf7 26. Qh3 Ra7 27. Bg4 Rca8 28. Rc3 b5 29. c5 Ba5 30. Rg3 Bxd5 31. exd5 Qxc5 32. Be6+ Kh8 33. Rg6 Bd2 34. Qd3 Bf4 35. g3 Be3 36. d6 Rd8 37. Rf3 Rxd6 38. Qf5 Qc1+ 39. Kg2 Qd2+ 40. Kh3 Bg1 41. Rxf6 Qxh2+ 42. Kg4 gxf6 43. Qxf6+ Rg7+ 44. Kf5 Qh5+ |
| ECO A06 in 2003 play it! fritz defeats white's fritz in 102 moves | 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. e4 b4 10. Na4 c5 11. e5 Nd5 12. Nxc5 Nxc5 13. dxc5 Bxc5 14. O-O h6 15. Qe2 Qd7 16. Bb5 Bc6 17. Bxc6 Qxc6 18. Bd2 O-O 19. Rfc1 Qb6 20. Ne1 f6 21. exf6 Rxf6 22. Nd3 Bd4 23. Rf1 Raf8 24. Rac1 b3 25. a4 e5 26. a5 Qb5 27. Qe4 Rd6 28. Kh1 Nf6 29. Qg6 Bxb2 30. Nxb2 Rxd2 31. Nc4 Rd4 32. Ne3 Qxa5 33. Nf5 Rd7 34. Nxh6+ Kh8 35. Ng4 Rdf7 36. Rce1 Nxg4 37. Qxg4 Qd5 38. Rd1 Qb5 39. Ra1 a5 40. f3 Kg8 41. Rfe1 b2 42. Rab1 Qb3 43. Qe4 a4 44. Re3 Qa2 45. Ree1 a3 46. h3 Qb3 47. Re3 Qxe3 48. Qxe3 a2 49. Qe4 axb1=R+ 50. Qxb1 Rb8 51. Kh2 Ra7 |
| ECO A07 in 2002 play it! fritz defeats white's chess tiger 10 in 138 moves | 1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. d3 Bf5 5. O-O e6 6. b3 Be7 7. Bb2 h6 8. Nbd2 O-O 9. Re1 Bh7 10. e4 a5 11. a4 Nbd7 12. Qe2 dxe4 13. dxe4 Qc7 14. Nd4 Rad8 15. e5 Nd5 16. f4 Bc5 17. Be4 Qb6 18. Bxh7+ Kxh7 19. Kg2 Kg8 20. Nc4 Qa6 21. Qf2 Bb4 22. Rf1 N7b6 23. Na3 Bc5 24. Rfd1 Rd7 25. c4 Ne7 26. Nac2 Rfd8 27. Qe1 Nbc8 28. Bc3 b6 29. Nf3 Qb7 30. Rxd7 Qxd7 31. Ncd4 Bxd4 32. Nxd4 c5 33. Nb5 Qd3 34. Ra2 Qg6 35. Rf2 Nc6 36. Kg1 N6a7 37. Na3 Ne7 38. Rd2 Rxd2 39. Qxd2 Nac6 40. Nc2 h5 41. Qe2 h4 42. g4 Nf5 43. Qd1 h3 44. Kf2 Nh4 45. Na3 Qe4 46. Kg3 Ne7 47. Kxh4 Ng6+ 48. Kxh3 Qe3+ 49. Kg2 Nxf4+ 50. Kf1 Qxc3 51. Kf2 Qh3 52. Nb5 Nd3+ 53. Ke2 Nxe5 54. Qd6 Qxg4+ 55. Kd2 Qg2+ 56. Kc1 Qh1+ 57. Kd2 Qxh2+ 58. Kc3 Kh7 59. Qd2 Qg3+ 60. Kc2 g5 61. Nd6 Nf3 62. Ne4 Nd4+ 63. Qxd4 Qg2+ 64. Qf2 Qxe4+ 65. Kc3 Qe5+ 66. Kd2 Qb2+ 67. Ke1 Qxf2+ 68. Kxf2 Kg6 69. Ke2 Kf5 |
| ECO A06 in 2002 play it! fritz defeats white's fritz in 112 moves | 1. Nf3 d5 2. d4 Nf6 3. Bf4 e6 4. Nbd2 c5 5. e3 Nc6 6. c3 Bd6 7. Bg3 O-O 8. Bd3 Qe7 9. Ne5 Bxe5 10. dxe5 Nd7 11. f4 f6 12. Qh5 g6 13. exf6 Qxf6 14. Qh6 e5 15. O-O-O Nb6 16. Bh4 Qg7 17. Bg5 Bg4 18. Rde1 Qxh6 19. Bxh6 Rf7 20. h3 Bd7 21. Rhf1 Re8 22. e4 exf4 23. Bxf4 Ne5 24. Bxe5 Rxf1 25. Rxf1 Rxe5 26. exd5 Nxd5 27. Nf3 Rh5 28. Bc4 Bc6 29. g4 Rxh3 30. Ng5 Re3 31. Rd1 Re5 32. Nf3 Re3 33. Rxd5 Rxf3 34. Rxc5+ Kg7 35. Bd5 Bxd5 36. Rxd5 b6 37. g5 h5 38. a3 Rf5 39. Rd7+ Kf8 40. Rxa7 Rxg5 41. Kd1 Rg1+ 42. Kc2 Rg2+ 43. Kb3 g5 44. Rb7 h4 45. Rxb6 g4 46. a4 h3 47. Rb8+ Kg7 48. Rb7+ Kg6 49. Rb6+ Kg5 50. Rb5+ Kf4 51. Rh5 h2 52. a5 g3 53. Rh8 Rg1 54. Rf8+ Ke5 55. Re8+ Kf6 56. Rh8 h1=Q |
| ECO A05 in 2003 play it! fritz defeats white's shredder 0 in 136 moves | 1. Nf3 Nf6 2. g3 d6 3. d4 g6 4. c4 Bg7 5. Nc3 O-O 6. Bg2 Nc6 7. O-O a6 8. b3 Rb8 9. Nd5 Nh5 10. Bb2 e6 11. Nc3 b5 12. d5 Ne7 13. dxe6 fxe6 14. cxb5 axb5 15. b4 Qd7 16. Qb3 Nf6 17. Rfd1 Kh8 18. Bh3 h6 19. Rac1 g5 20. Nb1 Ned5 21. e4 Nb6 22. Nd4 g4 23. Nc6 Rb7 24. Ne5 Qe8 25. Nxg4 Qh5 26. Bxf6 Bxf6 27. Nxf6 Qxh3 28. e5 Qf5 29. Qe3 Kg7 30. g4 Qxe5 31. Nh5+ Kf7 32. Qd3 Qg5 33. h3 Qg6 34. Qxb5 Nd5 35. Qe2 Nxb4 36. Nc3 Kg8 37. a3 Nc6 38. f4 Bd7 39. Kh2 Na5 40. Ne4 Bb5 41. Qe1 Nc4 42. Qc3 Ne5 43. Re1 Bc6 44. Nhf6+ Rxf6 45. fxe5 Bxe4 46. exf6 c5 47. Rf1 Qg5 48. Kg1 c4 49. Qd4 Bd3 50. Rfe1 Rf7 51. Qxd6 Qxf6 52. Qb6 Qh4 53. Kg2 Qf6 54. Qe3 e5 55. Ra1 Qc6+ 56. Kg1 e4 57. Qg3 Qc5+ 58. Kg2 Rf3 59. Qh4 Qc6 60. Qd8+ Kf7 61. Qh4 e3 62. Kg1 Qd6 63. Ra2 Qd4 64. Rg2 Kg6 65. a4 Rf1+ 66. Rxf1 e2+ 67. Rff2 e1=Q+ 68. Kh2 Qde5+ |
| ECO A04 in 2003 play it! fritz defeats white's chess tiger 10 in 94 moves | 1. Nf3 c5 2. c4 Nf6 3. Nc3 e6 4. d4 cxd4 5. Nxd4 d5 6. Bg5 e5 7. Ndb5 a6 8. Qa4 Bd7 9. cxd5 Qb6 10. Be3 Bxb5 11. Bxb6 Bxa4 12. Nxa4 Bb4+ 13. Kd1 Nbd7 14. f3 Nxd5 15. Bg1 b5 16. e4 bxa4 17. exd5 Nf6 18. Rc1 O-O 19. a3 Be7 20. Rc6 Rfb8 21. Bxa6 Rxb2 22. d6 Bf8 23. Kc1 Rab8 24. Bd3 Rxg2 25. Bc5 Rb3 26. Be4 g6 27. Rc8 Rc3+ 28. Kb1 Nd7 29. Rc1 Rxc1+ 30. Kxc1 Nxc5 31. Rxc5 Bxd6 32. Rc4 Bxa3+ 33. Kd1 Rxh2 34. Rxa4 Bb2 35. Ra8+ Kg7 36. Ra7 Bd4 37. Rd7 h5 38. Bd5 Kh6 39. Bxf7 h4 40. Bg8 Kg5 41. Rh7 Kf4 42. Be6 Kxf3 43. Bd5+ Ke3 44. Bb7 g5 45. Rg7 Ra2 46. Bc6 Ra5 47. Rb7 g4 |
| ECO A05 in 2003 play it! fritz defeats white's fritz in 64 moves | 1. Nf3 Nf6 2. c4 e6 3. d4 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Bg2 c6 8. Bc3 d5 9. Ne5 Nfd7 10. Nxd7 Nxd7 11. Nd2 O-O 12. O-O Rc8 13. e4 b5 14. Re1 bxc4 15. bxc4 dxc4 16. Qa4 Bb5 17. Qc2 Re8 18. a4 Ba6 19. Rad1 Bf8 20. Nf1 Rb8 21. Ne3 Bb4 22. e5 c5 23. dxc5 Bxc5 24. Be4 h6 25. Bc6 Re7 26. Be4 Qc7 27. Bg2 Ree8 28. f4 Nb6 29. Bd4 Red8 30. Bxc5 Qxc5 31. h3 c3 32. Kh1 Nd5 |
| ECO A06 in 2004 play it! fritz defeats white's shredder by checkmate in 108 moves | 1. Nf3 d5 2. d4 e6 3. c4 Nf6 4. Nc3 c6 5. e3 Bd6 6. Qc2 O-O 7. Be2 Nbd7 8. O-O Re8 9. b3 e5 10. cxd5 cxd5 11. Nb5 Bb8 12. dxe5 Nxe5 13. Nxe5 Rxe5 14. Bb2 Bf5 15. Bd3 Bxd3 16. Qxd3 Rh5 17. f4 Bd6 18. Qd1 Rh6 19. Rc1 a6 20. Nxd6 Qxd6 21. Qf3 Rd8 22. Be5 Qf8 23. Rc7 Ne4 24. Rfc1 b5 25. Ra7 Qa3 26. Rcc7 Rf8 27. Qe2 Re6 28. Qb2 Qa5 29. Qe2 Qb4 30. Bd4 Rh6 31. Bb2 Qd6 32. a3 Qe6 33. Re7 Qb6 34. b4 Qg6 35. Red7 Qf5 36. Be5 Rc6 37. Rxd5 Rfc8 38. Rd1 h6 39. Qf3 Rc1 40. Rxa6 Nd2 41. Qe2 Qb1 42. Rxc1 Rxc1+ 43. Kf2 Ne4+ 44. Kf3 f5 45. g4 Rc2 46. gxf5 Qh1+ 47. Kg4 Qg1+ 48. Kf3 Nd2+ 49. Qxd2 Rxd2 50. Ra8+ Kh7 51. Rh8+ Kxh8 52. Bxg7+ Qxg7 53. Ke4 Qb7+ 54. Ke5 Qe7# |
| ECO A05 in 2006 play it! fritz defeats white's slow chess blitz in 88 moves | 1. Nf3 Nf6 2. Nc3 d5 3. d4 e6 4. Bg5 Bb4 5. Qd2 c5 6. a3 Qa5 7. Bxf6 gxf6 8. Rb1 Bxc3 9. Qxc3 Qxc3+ 10. bxc3 Nd7 11. e3 b6 12. Bb5 Ke7 13. h3 Rb8 14. g4 a6 15. Bc6 Kd6 16. Ba4 b5 17. Bb3 c4 18. Ba2 Nb6 19. Ng1 h5 20. gxh5 Rxh5 21. f4 e5 22. fxe5+ fxe5 23. Kd2 f6 24. Rf1 Bf5 25. Ne2 Rg8 26. Rf3 Nd7 27. Ng3 Be4 28. Nxe4+ dxe4 29. Rf2 Rgh8 30. Rfh2 Nb6 31. h4 Kd5 32. Rh3 f5 33. dxe5 Kxe5 34. Kc1 Nd5 35. Kb2 Rg8 36. a4 Rg2 37. axb5 axb5 38. Bb1 Re2 39. Rg3 Rxe3 40. Rg8 f4 41. Re8+ Kd6 42. Rd1 f3 43. Rd8+ Ke6 44. Rf8 Nxc3 |
| ECO A05 in 2006 play it! fritz defeats white's nimzo in 112 moves | 1. Nf3 Nf6 2. d4 e6 3. e3 d5 4. Bd3 c5 5. b3 Nc6 6. Bb2 Bd6 7. O-O O-O 8. Nbd2 Qe7 9. Ne5 cxd4 10. exd4 Nb4 11. Be2 Qc7 12. c4 Rd8 13. Qb1 dxc4 14. Ndxc4 Bd7 15. a3 Nbd5 16. Rc1 Rac8 17. a4 Bc6 18. Nxd6 Qxd6 19. Ba3 Qb8 20. g3 Nd7 21. Qb2 Nxe5 22. dxe5 a5 23. Bd6 Qa8 24. Rc4 Rd7 25. Qc2 Rcd8 26. Rc1 Nb6 27. Rg4 Nc8 28. Bc5 Qb8 29. Qc3 Rd5 30. Bf1 Kh8 31. Qe3 h6 32. Re1 b6 33. Ba3 R5d7 34. Qc1 Ba8 35. Ba6 Qa7 36. Bb5 Rc7 37. Qb1 Qb7 38. Rge4 Na7 39. Bf1 b5 40. axb5 Nxb5 41. Bb2 Rc3 42. Bg2 Rxb3 43. Qa2 a4 44. Ba1 Nd4 45. h3 Qb4 46. Kh2 Bxe4 47. Rxe4 Ra3 48. Qb2 Qxb2 49. Bxb2 Rd3 50. Bf1 Rd2 51. Bc3 Rd1 52. Be2 Nxe2 53. Rxe2 R8d3 54. Bb4 Ra1 55. Rc2 a3 56. Rc8+ Kh7 |
| ECO A06 in 2002 play it! fritz defeats white's fritz in 92 moves | 1. Nf3 d5 2. d4 e6 3. c4 c5 4. cxd5 exd5 5. g3 Nc6 6. Bg2 Nf6 7. O-O Be7 8. Be3 c4 9. Ne5 O-O 10. b3 cxb3 11. Qxb3 a6 12. Rc1 Qd6 13. Nc3 Na5 14. Qa4 Qd8 15. Bg5 Be6 16. e4 b5 17. Qd1 Nxe4 18. Bxe7 Qxe7 19. Nxe4 dxe4 20. Bxe4 Rad8 21. Qd2 Nc4 22. Qf4 Nxe5 23. dxe5 Bd5 24. Re1 a5 25. Bc2 b4 26. Red1 Ba8 27. Rxd8 Rxd8 28. Rd1 Rxd1+ 29. Bxd1 h6 30. Qd4 Qb7 31. Qd8+ Kh7 32. f3 Qd5 33. Bc2+ g6 34. Qxd5 Bxd5 35. Bb1 a4 36. Bc2 a3 37. Bb1 Bxf3 38. h3 Bd5 39. Kf2 b3 40. axb3 Bxb3 41. Ke3 Kg7 42. Kd4 f6 43. Kc3 a2 44. Bxa2 Bxa2 45. Kd4 f5 46. h4 Kf7 |
| ECO A04 in 2005 play it! fritz defeats white's aristarch 0 in 126 moves | 1. Nf3 c5 2. e4 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Be2 Qc7 7. O-O Nf6 8. Be3 Bb4 9. Na4 Be7 10. Nxc6 bxc6 11. Nb6 Rb8 12. Nxc8 Qxc8 13. e5 Nd5 14. Bc1 Bc5 15. c3 Qc7 16. Bxa6 Qxe5 17. a4 Bd6 18. g3 Bc5 19. Qe2 Qxe2 20. Bxe2 d6 21. a5 Kd7 22. Re1 Ba7 23. Bf3 g5 24. Bg2 Rb3 25. Re2 g4 26. Ra4 h5 27. Be4 f5 28. Bc2 Rbb8 29. c4 Nb4 30. Bb1 Na6 31. Bf4 Bd4 32. Ra2 h4 33. gxh4 Rxh4 34. Rd2 Bc5 35. Bg3 Rh5 36. Kf1 Kc7 37. Bc2 e5 38. Bd1 Rhh8 39. h3 gxh3 40. Bh2 Rbg8 41. Bf3 Rh4 42. Ra4 e4 43. Bh1 Rb8 44. Ra1 Rb3 45. Rad1 Rh6 46. Ra1 Rg6 47. Re2 Rd3 48. Rb1 Nb4 49. Rc1 Rg7 50. Ra1 Kb7 51. Bf4 Ka6 52. Bh2 Rd4 53. b3 Rd3 54. Rb1 Kxa5 55. Reb2 Kb6 56. Re2 d5 57. Reb2 Bd4 58. Re2 c5 59. cxd5 Nxd5 60. Rc2 Kb5 61. Rbc1 Kb4 62. Ke1 Kxb3 63. Kf1 Be3 |
| ECO A05 in 2003 play it! fritz defeats white's deep fritz in 138 moves | 1. Nf3 Nf6 2. c4 c5 3. d4 cxd4 4. Nxd4 b6 5. Nc3 Bb7 6. f3 e6 7. e4 d6 8. Be2 a6 9. O-O Be7 10. Be3 O-O 11. Qd2 Qc7 12. Rac1 Nbd7 13. Rfd1 Rfe8 14. Bf1 Rac8 15. Kh1 Qb8 16. Bg1 Ne5 17. b3 Ng6 18. Qe3 Nd7 19. Na4 Qc7 20. b4 Qd8 21. Rb1 Nge5 22. c5 dxc5 23. bxc5 b5 24. f4 Ng4 25. Qe2 Ngf6 26. Nb6 Bxe4 27. Nxc8 Qxc8 28. Rbc1 Qc7 29. Nb3 Bc6 30. Qe3 Nd5 31. Qg3 Qxf4 32. Qxf4 Nxf4 33. Nd4 Bd5 34. Be3 g5 35. Nxb5 axb5 36. Bxb5 Nf6 37. Bxe8 Nxe8 38. Bxf4 gxf4 39. Kg1 Nc7 40. c6 Kf8 41. Kf2 Ba3 42. Rc2 Ke7 43. Rd3 Bd6 44. Rh3 e5 45. a4 e4 46. Rc1 e3+ 47. Kg1 Ba3 48. Rc2 Bb4 49. Rb2 Bc3 50. Rc2 Bd4 51. Kf1 Be4 52. Rc1 Bd3+ 53. Kg1 e2+ 54. Kh1 Bc4 55. Rf3 Be3 56. Rxe3+ fxe3 57. h3 Nd5 58. c7 Nxc7 59. g4 Ne6 60. Kg2 Nf4+ 61. Kf3 Nd3 62. Ra1 e1=Q 63. Rxe1 Nxe1+ 64. Kxe3 Kd6 65. Kd4 Bf1 66. Ke4 Bxh3 67. Kf4 Nd3+ 68. Kg3 Bf1 69. Kf3 h6 |
| ECO A06 in 2002 play it! fritz defeats white's fritz in 118 moves | 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. g3 dxc4 5. Bg2 Be7 6. O-O O-O 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Ra7 11. Rd1 Be4 12. Qc1 b4 13. Bg5 Nbd7 14. Nbd2 Bd5 15. Qc2 h6 16. Bf4 Qa8 17. Rac1 c5 18. dxc5 Rc8 19. Nb3 a5 20. c6 Rxc6 21. Qd2 e5 22. Be3 Rac7 23. Rxc6 Bxc6 24. Nc1 a4 25. h3 Bd5 26. Kh2 a3 27. Nb3 Bb7 28. Rc1 Ne4 29. Qd1 Rxc1 30. Bxc1 axb2 31. Bxb2 Bd6 32. Nc1 Qa7 33. e3 Qa6 34. Nh4 Ndc5 35. Qc2 Qa4 36. Qxa4 Nxa4 37. Nf5 Nxb2 38. Bxe4 Bxe4 39. Nxd6 Nd3 40. Nxd3 Bxd3 41. Nc8 Be4 42. Nb6 f6 43. f4 Kf7 44. g4 g6 45. fxe5 fxe5 46. Nc4 Ke6 47. Nd2 Bd5 48. Kg3 Bxa2 49. Kf3 b3 50. Nc4 Kd5 51. Nb2 Bb1 52. h4 e4+ 53. Kf4 Bd3 54. g5 h5 55. Kg3 Kc5 56. Kf4 Kb4 57. Ke5 Ka3 58. Nd1 Bc2 59. Nc3 b2 |
