| ECO A24 in 1977 play it! biyiasas peter defeats black's whitehead j in 120 moves | 1. c4 e5 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf3 Nc6 6. O-O O-O 7. d3 d6 8. Rb1 a5 9. a3 h6 10. b4 axb4 11. axb4 Rb8 12. b5 Ne7 13. Nd2 Be6 14. Ba3 b6 15. Re1 Qd7 16. Qb3 Kh7 17. Nd5 Nh5 18. Ne4 Nxd5 19. cxd5 Bh3 20. Rbc1 Bxg2 21. Kxg2 f5 22. Nd2 Rf7 23. Rc4 Nf6 24. Rec1 Rb7 25. Qa4 Rf8 26. Qa6 Rfb8 27. e4 Qd8 28. Rc6 Nd7 29. Nc4 Bf8 30. Bb4 Kg8 31. f3 Kh8 32. Ra1 Kh7 33. Qa4 Qf6 34. Qc2 Be7 35. Bc3 Rf8 36. Qe2 Nb8 37. f4 Nxc6 38. bxc6 Rbb8 39. fxe5 Qg7 40. Bb2 dxe5 41. Bxe5 Bf6 42. Bxf6 Qxf6 43. Ra7 f4 44. Rxc7+ Kh8 45. Qb2 b5 46. Qxf6+ Rxf6 47. Nd2 b4 48. Nb3 f3+ 49. Kf2 Ra8 50. e5 Ra2+ 51. Kf1 Rf5 52. Re7 Rb2 53. c7 Rb1+ 54. Kf2 Rb2+ 55. Ke3 Rf8 56. Rf7 Rxf7 57. c8=Q+ Kg7 58. e6 Re2+ 59. Kd4 Re7 60. Qc1 g5 |
| ECO A17 in 1978 play it! biyiasas peter defeats black's de firmian nick in 69 moves | 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. g3 O-O 5. Bg2 d5 6. cxd5 exd5 7. a3 Bxc3 8. dxc3 Nbd7 9. O-O Re8 10. Re1 c6 11. Nd2 Nc5 12. b4 Nce4 13. Nxe4 Nxe4 14. Qd4 Nd6 15. Bf4 Nb5 16. Qd2 Qf6 17. e4 dxe4 18. c4 Nd4 19. Rad1 Nf5 20. Rxe4 Be6 21. Bg5 Qg6 22. g4 Nd6 23. Qxd6 Qxg5 24. Qg3 Red8 25. Rde1 h6 26. h3 Qd2 27. R1e3 Qc1+ 28. Kh2 Rd2 29. Rf4 Rad8 30. g5 hxg5 31. Qxg5 R2d4 32. Rg3 g6 33. Be4 Rd1 34. Qf6 Kf8 35. Rh4 |
| ECO A10 in 1977 play it! biyiasas peter defeats black's rohde michael in 73 moves | 1. c4 g6 2. Nc3 Bg7 3. e4 c5 4. g3 Nc6 5. Bg2 e6 6. d3 Nge7 7. Nge2 O-O 8. O-O a6 9. Bg5 Rb8 10. Rc1 b5 11. b3 h6 12. Be3 Nd4 13. Qd2 Kh7 14. f4 b4 15. Na4 Nxe2+ 16. Qxe2 d6 17. Qf2 Nc6 18. e5 Nd4 19. Bxd4 cxd4 20. exd6 Qxd6 21. c5 Qc7 22. Nb6 Rxb6 23. cxb6 Qxb6 24. Rc6 Qb8 25. Rfc1 e5 26. Rc7 Be6 27. Be4 exf4 28. Qxf4 a5 29. R1c5 a4 30. Bd5 Bxd5 31. Rxd5 axb3 32. axb3 Qe8 33. Rdd7 Kg8 34. Re7 Qa8 35. Rxf7 Qa1+ 36. Kg2 Qb2+ 37. Kh3 |
| ECO A10 in 1977 play it! biyiasas peter defeats black's malpert in 59 moves | 1. c4 Nc6 2. Nc3 e5 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Rb1 Nf6 7. b4 O-O 8. b5 Ne7 9. Nf3 Nh5 10. O-O f5 11. Nd5 Nxd5 12. cxd5 f4 13. Nd2 Bf5 14. Ne4 Qd7 15. Ng5 Rab8 16. Qb3 Kh8 17. Bd2 Bh6 18. Ne6 Rf6 19. Rfc1 Bxe6 20. dxe6 Qe7 21. Qc4 Rbf8 22. Bd5 fxg3 23. Bxh6 gxh2+ 24. Kh1 Rxf2 25. Qg4 R8f4 26. Bxf4 Rxf4 27. Qg2 Qh4 28. Rxc7 Rf2 29. e7 Nf6 30. Rf1 |
| ECO A30 in 1975 play it! biyiasas peter defeats black's allan d in 97 moves | 1. c4 c5 2. Nf3 Nc6 3. Nc3 e6 4. e4 Nf6 5. d3 d5 6. Bg5 dxe4 7. dxe4 Qa5 8. Bd3 Be7 9. O-O Bd7 10. e5 Ng8 11. Bxe7 Ngxe7 12. Nb5 Nc8 13. Qe2 N6e7 14. Nc3 Ng6 15. Rad1 Bc6 16. Qe3 Nce7 17. Ng5 Rd8 18. f4 h6 19. Bxg6 hxg5 20. Be4 Rxd1 21. Rxd1 gxf4 22. Qxf4 Qc7 23. Bxc6+ Qxc6 24. Qg5 f6 25. exf6 gxf6 26. Qxf6 Rg8 27. Rd2 a6 28. Re2 Rg6 29. Qh8+ Kf7 30. Rf2+ Nf5 31. Nd5 Qd7 32. Ne3 Qd3 33. Nxf5 exf5 34. Qh7+ Kf6 35. Qxb7 Qxc4 36. Qb6+ Kg7 37. Qc7+ Kh6 38. Qe5 Qxa2 39. Rxf5 Qb1+ 40. Rf1 Qc2 41. Qh8+ Kg5 42. h4+ Kg4 43. Qc8+ Kxh4 44. Rf4+ Kg3 45. Rf3+ Kh4 46. Qh3+ Kg5 47. Qg3+ Kh5 48. Qe5+ Kh4 49. Qf4+ |
| ECO A29 in 1974 play it! biyiasas peter defeats black's rowley robert in 87 moves | 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3 g6 5. Bg2 Bg7 6. O-O O-O 7. d4 d6 8. d5 Ne7 9. e4 Nd7 10. Ne1 f5 11. f3 f4 12. Bh3 fxg3 13. Be6+ Kh8 14. hxg3 Nb6 15. Qd3 Bxe6 16. dxe6 Nc6 17. Nd5 Re8 18. Be3 Rxe6 19. Nc2 Re8 20. Kg2 Rf8 21. Rh1 Nxd5 22. Qxd5 Qf6 23. Raf1 Qf7 24. Qd3 Kg8 25. b4 a5 26. b5 Nb4 27. Qb3 Nxc2 28. Qxc2 c6 29. b6 d5 30. cxd5 cxd5 31. exd5 Qxd5 32. Rf2 Rac8 33. Qd1 Rfd8 34. Rd2 Qxd2+ 35. Bxd2 a4 36. Re1 Bh6 37. Bxh6 Rxd1 38. Rxd1 Rc2+ 39. Kh3 Rxa2 40. Rd7 a3 41. Rxb7 Ra1 42. Rg7+ Kf8 43. Rxh7+ Ke8 44. b7 |
| ECO A13 in 1978 play it! biyiasas peter defeats black's berry jonathan in 87 moves | 1. c4 e6 2. Nc3 d5 3. d4 c5 4. cxd5 exd5 5. Nf3 Nc6 6. Bg5 Be7 7. Bxe7 Ngxe7 8. e3 O-O 9. dxc5 Qa5 10. Bd3 Qxc5 11. O-O Rd8 12. Rc1 Bf5 13. Bxf5 Nxf5 14. Qd3 g6 15. Rfd1 d4 16. Ne2 Qb6 17. e4 Ng7 18. Nf4 Qa5 19. Nd5 Ne6 20. b4 Nxb4 21. Qd2 Nc6 22. Qxa5 Nxa5 23. Nxd4 Nxd4 24. Rxd4 Nc6 25. Rd3 Kg7 26. f3 Rd7 27. Kf2 Rad8 28. Rcd1 f6 29. g4 Ne7 30. Nb4 Rxd3 31. Rxd3 Rxd3 32. Nxd3 Kf7 33. Ke3 Nc6 34. f4 g5 35. e5 fxe5 36. fxg5 b6 37. Ke4 Ke6 38. h4 b5 39. h5 a5 40. g6 hxg6 41. h6 Kf7 42. Nxe5+ Nxe5 43. Kxe5 g5 44. Kd5 |
| ECO A00 in 1971 play it! biyiasas peter defeats black's montchalin mike in 59 moves | 1. g3 Nf6 2. Bg2 c5 3. e4 Nc6 4. Nc3 e6 5. d3 Be7 6. Nh3 d5 7. O-O O-O 8. Nf4 d4 9. Nce2 e5 10. Nh3 Bg4 11. f3 Bh5 12. g4 Bg6 13. Ng3 Qd7 14. Nf2 Ne8 15. f4 exf4 16. Bxf4 Bd6 17. Nh3 f6 18. Nf5 Be5 19. c3 Nc7 20. Bxe5 fxe5 21. Ng5 dxc3 22. bxc3 Rad8 23. Qb3+ Kh8 24. Rad1 h6 25. Nh4 Rxf1+ 26. Rxf1 hxg5 27. Rf8+ Kh7 28. Qg8+ Kh6 29. Qh8+ Bh7 30. Rf6+ |
| ECO B55 in 1969 play it! biyiasas peter defeats black's collier robert in 71 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e5 6. Nb5 a6 7. N5c3 Be6 8. Be3 Be7 9. Nd5 Bxd5 10. exd5 b5 11. a4 bxa4 12. Nc3 Nfd7 13. Rxa4 Nb6 14. Ra3 a5 15. Bb5+ N6d7 16. f4 O-O 17. O-O Bf6 18. f5 Bg5 19. Bxg5 Qxg5 20. Ne4 Qe7 21. f6 Nxf6 22. Rxf6 gxf6 23. Qg4+ Kh8 24. Qf5 Rg8 25. Nxf6 Rg6 26. Qc8+ Kg7 27. Ne8+ Kg8 28. Rf3 Qa7+ 29. Kf1 Na6 30. Nf6+ Kg7 31. Nh5+ Kh6 32. Qh3 Rh8 33. c3 Nb8 34. Be8 Qe7 35. Rxf7 Rxe8 36. Nf4+ |
| ECO B50 in 1972 play it! biyiasas peter defeats black's selick paul in 61 moves | 1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. e5 dxe5 5. Nxe5 e6 6. Be2 Nbd7 7. Nc4 Nb6 8. b3 Be7 9. O-O O-O 10. Bb2 Nxc4 11. bxc4 Bd7 12. Bf3 Rc8 13. d3 Bc6 14. Re1 Qd7 15. a4 Ne8 16. Bxc6 Rxc6 17. Ne4 Nd6 18. Qg4 Nf5 19. Nd2 Qd8 20. Nf3 Bf6 21. Bxf6 Qxf6 22. Ne5 Rd6 23. Qe4 Nd4 24. Ra2 Qg5 25. f4 Qf5 26. Qxb7 Qxf4 27. c3 Nf5 28. Rf2 Qg5 29. Qxa7 f6 30. Nd7 Re8 31. Nxc5 |
| ECO B42 in 1969 play it! biyiasas peter defeats black's berry jonathan in 55 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nc6 6. Be3 d5 7. O-O Nf6 8. exd5 Nxd4 9. Bxd4 Qxd5 10. Nc3 Qc6 11. Re1 Be7 12. Ne4 Bd7 13. Nxf6+ gxf6 14. Be4 Qc7 15. Qf3 e5 16. Bc3 O-O-O 17. b4 Rdg8 18. h3 Rg5 19. Bd2 f5 20. Bxg5 fxe4 21. Qh5 f6 22. Bd2 Bc6 23. Rad1 Bd6 24. Qf5+ Kb8 25. Qxf6 Rf8 26. Qh6 e3 27. Rxe3 Rg8 28. Rg3 |
| ECO B31 in 1972 play it! biyiasas peter defeats black's suradiradja herm in 33 moves | 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 e6 6. d4 cxd4 7. cxd4 Qb6 8. Na3 d5 9. exd5 exd5 10. Re1+ Ne7 11. Bf4 Be6 12. Bd6 O-O 13. Bxc6 Nxc6 14. Bc5 Qxb2 15. Re3 Na5 16. Rb1 Qxa2 17. Re2 |
| ECO B30 in 1978 play it! biyiasas peter defeats black's franco zenon in 103 moves | 1. e4 c5 2. Nf3 Nc6 3. Bb5 Qb6 4. Nc3 e6 5. O-O Nge7 6. Re1 Nd4 7. Bf1 Nec6 8. Nxd4 cxd4 9. Nb1 Be7 10. c4 O-O 11. d3 d6 12. Nd2 Bd7 13. Rb1 a5 14. g3 g6 15. Nf3 Bf6 16. Bh6 Bg7 17. Bxg7 Kxg7 18. e5 Qc5 19. Qe2 dxe5 20. Nxe5 Nxe5 21. Qxe5+ Qxe5 22. Rxe5 Bc6 23. Bg2 Kf6 24. f4 Ke7 25. Rbe1 a4 26. g4 Kf6 27. R1e2 Ra6 28. Kf2 Rfa8 29. Bxc6 bxc6 30. Kf3 Rc8 31. Rc5 Rd8 32. Ke4 Ke7 33. g5 Rd7 34. h4 Kd8 35. Ke5 Kc7 36. Kf6 Kd6 37. Rce5 Kc7 38. Rh2 Kb6 39. h5 c5 40. hxg6 hxg6 41. Rh8 Raa7 42. Re2 a3 43. Rc8 Rdc7 44. Rxc7 Rxc7 45. bxa3 Ka5 46. Rb2 Ka4 47. Rb3 Ra7 48. Ke5 Rd7 49. Rb5 Kxa3 50. Rxc5 Kb4 51. Rb5+ Kc3 52. Ke4 |
| ECO B29 in 1978 play it! biyiasas peter defeats black's peters john in 82 moves | 1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. Nc3 e6 5. Nxd5 exd5 6. d4 Nc6 7. dxc5 Bxc5 8. Bd3 d6 9. exd6 O-O 10. O-O Qxd6 11. c3 h6 12. Bc2 Bg4 13. Qd3 Qg6 14. Be3 Qxd3 15. Bxd3 Bd6 16. Nd4 Ne5 17. Bf5 Bc5 18. Rfe1 Bxd4 19. Bxd4 Nf3+ 20. gxf3 Bxf5 21. Re7 b6 22. Rae1 f6 23. f4 Rf7 24. f3 Kf8 25. R7e2 Bd7 26. b3 Re8 27. Rxe8+ Bxe8 28. Kf2 Re7 29. Ra1 Bg6 30. a4 Rb7 31. b4 a6 32. a5 b5 33. Bc5+ Kf7 34. Ke3 Bh5 35. Rd1 Rd7 36. f5 Ke8 37. Rd3 Kd8 38. Kd4 Bf7 39. Re3 Kc7 40. h4 Bg8 41. Re7 Bh7 |
| ECO B50 in 1972 play it! biyiasas peter defeats black's berry jonathan in 79 moves | 1. e4 c5 2. Nf3 d6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 Nf6 6. Be3 e6 7. Qd2 Be7 8. Be2 b5 9. Bf3 b4 10. Na4 Qa5 11. b3 e5 12. Nc6 Nxc6 13. Bb6 Qb5 14. Be2 Rb8 15. Bxb5 axb5 16. Be3 bxa4 17. bxa4 Ba6 18. f3 O-O 19. Kf2 Na5 20. g4 Rfc8 21. Kg3 Rc3 22. Rab1 Rbc8 23. Rxb4 Rxc2 24. Qd1 d5 25. Rb8 dxe4 26. Qxc2 Rxb8 27. Qc7 Re8 28. Qxa5 Be2 29. g5 Nh5+ 30. Kf2 Bxf3 31. Qb5 Rd8 32. Qxe5 Bd6 33. Qa5 Rb8 34. Qd2 Ba3 35. Rc1 Bxc1 36. Qxc1 g6 37. a5 Ng7 38. a6 Ne6 39. a7 Ra8 40. Qc6 |
| ECO B50 in 1974 play it! biyiasas peter defeats black's juliao cesar in 65 moves | 1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. e5 dxe5 5. Nxe5 a6 6. a4 Qc7 7. Nc4 b6 8. a5 b5 9. Nb6 Bb7 10. Nxa8 Bxa8 11. d4 c4 12. Ne2 Nd5 13. Ng3 e6 14. Be2 Nd7 15. O-O N7f6 16. Bg5 Bd6 17. Bf3 h6 18. Bxf6 gxf6 19. Ne4 Bxh2+ 20. Kh1 Ke7 21. g3 f5 22. Nc3 Ne3 23. Qe2 Bxf3+ 24. Qxf3 Nxf1 25. Rxf1 h5 26. Re1 Kf8 27. Kxh2 h4 28. Kg2 hxg3 29. fxg3 Rg8 30. Qa8+ Kg7 31. Qxa6 f4 32. Qxb5 f6 33. Rxe6 |
| ECO B42 in 1969 play it! biyiasas peter defeats black's amos bruce m in 61 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Ba7 7. O-O Nc6 8. Nc3 Nf6 9. Bf4 d6 10. Be2 Bb8 11. a4 b6 12. Qd2 Ra7 13. Rad1 Rd7 14. Qe3 O-O 15. Rd2 Ne5 16. Rfd1 Qc7 17. h3 Bb7 18. g4 d5 19. g5 Ne8 20. exd5 Nf3+ 21. Bxf3 Qxf4 22. Qxf4 Bxf4 23. dxe6 Rxd2 24. Nxd2 Bxf3 25. exf7+ Rxf7 26. Nxf3 h6 27. gxh6 Bxh6 28. Ne5 Re7 29. Ng4 Bg5 30. Nd5 Re2 31. Nge3 |
| ECO B32 in 1972 play it! biyiasas peter defeats black's hill alan by checkmate in 111 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nxc6 bxc6 6. Bd3 Nf6 7. O-O d5 8. exd5 cxd5 9. c4 Be7 10. cxd5 Nxd5 11. Be4 O-O 12. Nc3 Ba6 13. Nxd5 exd5 14. Bd3 Bxd3 15. Qxd3 Bf6 16. Rd1 d4 17. b3 Qd5 18. Bb2 Rfd8 19. Rac1 Rd7 20. Rc4 Rad8 21. g3 g6 22. Qb1 Kg7 23. Rd3 Re8 24. Qf1 h5 25. Rc1 Re6 26. Rcd1 Rde7 27. f3 Re2 28. R3d2 d3 29. Bxf6+ Kxf6 30. Rxd3 Qc5+ 31. Kh1 Qc2 32. Qg1 Rf2 33. R1d2 Qxd2 34. Rxd2 Rxd2 35. Qa1+ Kf5 36. g4+ hxg4 37. fxg4+ Kxg4 38. Qg1+ Kf5 39. Qf1+ Kg5 40. h4+ Kg4 41. Qc4+ Kf3 42. Qc3+ Ke2 43. Qf6 Red7 44. Kg2 Ke1+ 45. Kg1 Kd1 46. a4 Kc2 47. Qc6+ Kxb3 48. a5 Kb4 49. a6 Ka5 50. Qc5+ Kxa6 51. Qa3+ Kb7 52. Qb4+ Kc6 53. Qc3+ Kb7 54. Qb4+ Ka8 55. Qc5 R2d5 56. Qc8# |
| ECO B51 in 1978 play it! biyiasas peter defeats black's ghitescu theodor in 131 moves | 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Ngf6 5. d3 e6 6. O-O Be7 7. Re1 a6 8. Ba4 O-O 9. Bg5 b5 10. Bc2 Bb7 11. h3 h6 12. Bf4 e5 13. Bh2 Re8 14. Nbd2 Bf8 15. Rc1 g6 16. a3 Bg7 17. b4 Rc8 18. Nb3 cxb4 19. cxb4 Qb6 20. Na5 Ba8 21. Bb3 Rxc1 22. Qxc1 d5 23. Qc2 dxe4 24. dxe4 Nh5 25. Qa2 Qf6 26. Rd1 Nf8 27. Bd5 Bxd5 28. Qxd5 Nf4 29. Bxf4 exf4 30. e5 Qe6 31. Nb7 Qxd5 32. Rxd5 f6 33. exf6 Bxf6 34. Nc5 Ra8 35. Rd6 Bb2 36. Nxa6 Bxa3 37. Ne5 Re8 38. Nxg6 Re1+ 39. Kh2 Re6 40. Rxe6 Nxe6 41. Ne7+ Kf7 42. Nd5 Kg6 43. Nac7 Nxc7 44. Nxc7 Bxb4 45. Nxb5 Bc5 46. Kg1 Kf5 47. Kf1 Ke4 48. Ke2 Bb4 49. f3+ Ke5 50. Kd3 Kd5 51. Nc3+ Bxc3 52. Kxc3 Kc5 53. Kd3 Kd5 54. Ke2 h5 55. h4 Kd4 56. Kf2 Ke5 57. g4 fxg3+ 58. Kxg3 Kf5 59. Kg2 Ke5 60. Kf1 Kd5 61. Ke2 Kd4 62. Kd2 Ke5 63. Ke3 Kf5 64. f4 Kg4 65. Ke4 Kxh4 66. Kf3 |
| ECO B91 in 1971 play it! biyiasas peter defeats black's haines duncan in 61 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 g6 7. Bg2 Bg7 8. O-O O-O 9. a4 Qc7 10. Bg5 Nbd7 11. Qd2 Nb6 12. b3 h6 13. Bxf6 Bxf6 14. a5 Nd7 15. Rfd1 Qc5 16. Nd5 Kg7 17. b4 Qa7 18. Ra3 Rd8 19. Nc7 Rb8 20. Nce6+ fxe6 21. Nxe6+ Kh7 22. Nxd8 Ne5 23. Qd5 Bg4 24. Ne6 Bxd1 25. Qxd1 Rc8 26. Nf4 Nc4 27. Rb3 Bd4 28. Qe2 b5 29. axb6 Nxb6 30. Bh3 Rc3 31. Qg4 |
