| ECO A05 in 1973 play it! biyiasas peter defeats white's michaely a in 102 moves | 1. Nf3 Nf6 2. g3 c5 3. c4 Nc6 4. Nc3 g6 5. Bg2 Bg7 6. O-O O-O 7. d3 b6 8. e4 Bb7 9. Ne1 Ne8 10. Qd2 Nd4 11. b3 Nc7 12. Bb2 f5 13. Ne2 Nce6 14. Nxd4 Nxd4 15. f4 d6 16. Nf3 fxe4 17. Nxd4 cxd4 18. dxe4 e5 19. Qd3 Qd7 20. Rf2 Rf7 21. Raf1 Raf8 22. Bc1 Bh6 23. Bd2 Bg7 24. Qe2 a6 25. Qd3 Qc6 26. Bb4 Qd7 27. Ba3 Bh6 28. Bc1 Bc6 29. Bd2 b5 30. fxe5 Rxf2 31. Rxf2 Bxd2 32. Rxf8+ Kxf8 33. Qxd2 dxe5 34. cxb5 axb5 35. Kf1 Qd6 36. Ke1 b4 37. Qd3 Qc5 38. Qc4 Qxc4 39. bxc4 Ke7 40. Kd2 Kd6 41. Kd3 Bd7 42. Bf3 Kc5 43. Bd1 Bh3 44. Bb3 Bf1+ 45. Kc2 Bxc4 46. Kd2 g5 47. g4 h6 48. h3 d3 49. Ke3 Bxb3 50. axb3 d2 51. Kxd2 Kd4 |
| ECO A05 in 1971 play it! biyiasas peter defeats white's satanove harry in 68 moves | 1. Nf3 Nf6 2. g3 d5 3. Bg2 Nc6 4. c4 e5 5. cxd5 Nxd5 6. d3 g6 7. Nbd2 Bg7 8. a3 O-O 9. Nc4 Re8 10. O-O b6 11. e4 Nde7 12. b4 b5 13. Ne3 a5 14. Bb2 Qd6 15. bxa5 Rxa5 16. Qd2 Ra4 17. Rfd1 Be6 18. Bf1 Nd4 19. Bxd4 exd4 20. Nc2 c5 21. Rab1 Rb8 22. Ng5 Bh6 23. f4 Bxg5 24. fxg5 Nc6 25. Qf4 Ne5 26. Be2 b4 27. axb4 cxb4 28. Ne1 b3 29. Rd2 Ra2 30. Rdb2 Rxb2 31. Rxb2 Ra8 32. Nf3 Nxf3+ 33. Bxf3 Qxf4 34. gxf4 Ra1+ |
| ECO A05 in 1971 play it! biyiasas peter defeats white's montchalin mike in 56 moves | 1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. e3 c6 5. b3 Nbd7 6. Bb2 Be7 7. d4 O-O 8. Bd3 b6 9. O-O Bb7 10. Rc1 dxc4 11. Bxc4 c5 12. Qe2 cxd4 13. Nxd4 Ne5 14. Bxe6 fxe6 15. Nxe6 Qc8 16. Nxf8 Bf3 17. gxf3 Qh3 18. Kh1 Bd6 19. Qd1 Nd3 20. f4 Ng4 21. Qxg4 Qxg4 22. Rcd1 Qf3+ 23. Kg1 Rxf8 24. Rxd3 Rf6 25. Rfd1 Rg6+ 26. Kf1 Rg2 27. Ne4 Rxh2 28. Ke1 Bb4+ |
| ECO A04 in 1977 play it! biyiasas peter defeats white's feuerstein arthu in 76 moves | 1. Nf3 g6 2. d4 Bg7 3. e4 c6 4. Nc3 d6 5. h3 Nd7 6. Bc4 Nb6 7. Bb3 Nf6 8. a4 a5 9. O-O O-O 10. Bf4 d5 11. e5 Ne8 12. Qc1 Nc7 13. Bh6 Ne6 14. Ne2 Nc4 15. Bxg7 Kxg7 16. c3 Qb6 17. Qc2 Ng5 18. Nxg5 Bf5 19. Qd1 Nxb2 20. Qd2 Qxb3 21. Ng3 Bd3 22. Rfc1 b5 23. Nf3 bxa4 24. Ne1 Ba6 25. Nc2 Qb7 26. Rcb1 Rab8 27. Qc1 Bc4 28. Nf1 Nd3 29. Rxb7 Nxc1 30. Rxb8 Ne2+ 31. Kh2 Rxb8 32. Rxa4 Bb3 33. Rxa5 Bxc2 34. Rc5 Ba4 35. c4 dxc4 36. Ng3 Nxg3 37. Kxg3 Bb5 38. Kf4 e6 |
| ECO A05 in 1977 play it! biyiasas peter defeats white's michels e in 87 moves | 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 c5 6. e4 Nc6 7. Nc3 d6 8. h3 Nd4 9. Nh4 Rb8 10. Ne2 b5 11. f4 b4 12. Nxd4 cxd4 13. Nf3 Nd7 14. Qe2 Qc7 15. Re1 Bb7 16. e5 dxe5 17. Nxe5 Nxe5 18. fxe5 Bxg2 19. Kxg2 Rb5 20. Bf4 Rc5 21. Rac1 Rc8 22. e6 Qc6+ 23. Kg1 f5 24. Bg5 Re5 25. Qd2 Qc5 26. Re2 Rc6 27. Rxe5 Bxe5 28. Qf2 Rxe6 29. c4 bxc3 30. Rxc3 Qd5 31. Rc8+ Kf7 32. Bh6 Bg7 33. Bxg7 Kxg7 34. b3 Re3 35. Rc2 Rxd3 36. Qg2 Rd1+ 37. Kf2 Qxg2+ 38. Kxg2 d3 39. Rf2 e5 40. Kf3 e4+ 41. Ke3 Kf6 42. g4 Ke5 43. gxf5 gxf5 44. Rf4 |
| ECO A15 in 1971 play it! biyiasas peter defeats white's calhoun roger in 28 moves | 1. c4 Nf6 2. Nf3 e6 3. e3 d5 4. d4 c6 5. Bd3 Nbd7 6. b3 Bd6 7. O-O O-O 8. Nc3 e5 9. dxe5 Nxe5 10. cxd5 Nxf3+ 11. gxf3 Bh3 12. Re1 Nxd5 13. Ne2 Nc3 14. Bxh7+ Kh8 |
| ECO A10 in 1975 play it! biyiasas peter defeats white's piasetski l in 114 moves | 1. c4 g6 2. d4 d6 3. Nc3 Bg7 4. Nf3 Nf6 5. e4 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. b4 a5 10. Ba3 axb4 11. Bxb4 Nd7 12. Ne1 f5 13. Nd3 b6 14. a4 Nc5 15. Bf3 g5 16. Bxc5 bxc5 17. exf5 e4 18. Nxe4 Bxa1 19. Qxa1 Nxf5 20. Bg4 Nd4 21. Qd1 Qe8 22. Nxg5 Qxa4 23. Bxc8 Qxd1 24. Rxd1 Raxc8 25. g3 Rce8 26. Kg2 h6 27. Nh3 Re2 28. Rc1 Rc2 29. Rxc2 Nxc2 30. Nhf4 Na3 31. Ne6 Rc8 32. f4 Nxc4 33. Kf3 Ra8 34. Nxc7 Ra3 35. Ke4 Kf7 36. g4 Nd2+ 37. Ke3 Nf1+ 38. Ke2 Nxh2 39. g5 Ra2+ 40. Ke3 Nf1+ 41. Ke4 Re2+ 42. Kf5 Ne3+ 43. Ke4 Nc2+ 44. Kf5 Nd4+ 45. Kg4 c4 46. Nb4 c3 47. gxh6 c2 48. Na2 Rg2+ 49. Kh5 Rg1 50. Ne6 Nxe6 51. dxe6+ Kxe6 52. h7 c1=Q 53. Nxc1 Rxc1 54. Kg6 Rg1+ 55. Kh6 Rh1+ 56. Kg7 Rxh7+ 57. Kxh7 Kf5 |
| ECO A10 in 1973 play it! biyiasas peter defeats white's berry jonathan in 47 moves | 1. c4 g6 2. Nc3 Bg7 3. g3 c5 4. Bg2 Nc6 5. Nf3 e6 6. e3 Nge7 7. d4 cxd4 8. Nxd4 Nxd4 9. exd4 Qb6 10. d5 exd5 11. cxd5 O-O 12. O-O d6 13. Re1 Nf5 14. Qd3 Bd7 15. b3 Qd4 16. Qxd4 Nxd4 17. Re7 Rad8 18. Bb2 Bf6 19. Re4 Bf5 20. Rf4 g5 21. Ne4 Ne2+ 22. Kf1 Bxb2 23. Rxf5 Nxg3+ 24. hxg3 |
| ECO A10 in 1969 play it! biyiasas peter defeats white's berry jonathan in 87 moves | 1. c4 g6 2. Nc3 Bg7 3. g3 Nc6 4. Bg2 d6 5. e3 e5 6. Nge2 Nh6 7. O-O Be6 8. d3 f5 9. Rb1 Nf7 10. b4 Qd7 11. Qc2 O-O-O 12. b5 Ne7 13. Qa4 Kb8 14. d4 d5 15. c5 c6 16. dxe5 Nxe5 17. Nd4 Ka8 18. bxc6 bxc6 19. Qa6 Rb8 20. Bd2 Nc4 21. Nxe6 Nxd2 22. Rxb8+ Kxb8 23. Nxg7 Nxf1 24. Qa3 Rg8 25. Bxf1 Rxg7 26. Ne4 Nc8 27. Qb2+ Qb7 28. Qe5+ Qc7 29. Nd6 Rd7 30. Qh8 Rd8 31. Qb2+ Ka8 32. Nxc8 Rxc8 33. Ba6 Rb8 34. Qf6 Qd7 35. Kg2 Re8 36. h4 Kb8 37. Qb2+ Kc7 38. Qb7+ Kd8 39. Qb8+ Ke7 40. Qe5+ Kf7 41. Qc3 Qe7 42. Bd3 Rb8 43. h5 gxh5 44. Bxf5 |
| ECO A16 in 1972 play it! biyiasas peter defeats white's berry jonathan in 71 moves | 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 c6 5. e4 d6 6. Nge2 Qc7 7. O-O O-O 8. h3 a6 9. d4 c5 10. dxc5 Qxc5 11. b3 Nc6 12. Be3 Qa5 13. Qd2 Rd8 14. a3 Bd7 15. b4 Qc7 16. Rac1 Ne5 17. Nd5 Nxd5 18. cxd5 Nc4 19. Qd3 Rdc8 20. Bd4 b5 21. Bxg7 Kxg7 22. Kh2 Qb6 23. f4 a5 24. Rc3 axb4 25. axb4 Ra2 26. g4 Rd2 27. Qf3 f6 28. Rfc1 Ra8 29. R1c2 Ra2 30. Rxa2 Rxa2 31. Kg3 Rb2 32. Rb3 Nd2 33. Rxb2 Nxf3 34. Kxf3 Qa7 35. Rc2 Kf7 36. Nc1 |
| ECO A10 in 1973 play it! biyiasas peter defeats white's harmon clark in 82 moves | 1. c4 g6 2. Nc3 Bg7 3. d4 d6 4. Nf3 Bg4 5. e3 Nh6 6. Be2 O-O 7. Qb3 Qc8 8. Bd2 c6 9. Rc1 Na6 10. h3 Bd7 11. Ne4 Nc7 12. a4 f6 13. c5+ d5 14. Bc3 Nf7 15. Ned2 Bf5 16. Nh4 Bd7 17. Nhf3 Re8 18. O-O e5 19. Rfe1 Ne6 20. Bf1 e4 21. Nh2 f5 22. Qd1 f4 23. b4 Nh6 24. Nb3 g5 25. b5 Nf5 26. Rc2 Rf8 27. Na5 Qc7 28. Qd2 Rf7 29. Rb1 Raf8 30. b6 axb6 31. cxb6 Qb8 32. Bb4 fxe3 33. fxe3 Nxe3 34. Nb3 Nxc2 35. Bxf8 Rxf8 36. Qxc2 Nxd4 37. Qd2 Qg3 38. Nxd4 Be5 39. Ndf3 exf3 40. Ng4 Bxg4 41. Qxd5+ Kh8 |
| ECO A10 in 1979 play it! biyiasas peter defeats white's blocker calvin in 108 moves | 1. c4 g6 2. Nc3 Bg7 3. g3 e5 4. Bg2 Nf6 5. d3 Nc6 6. e4 O-O 7. Nge2 d6 8. O-O Be6 9. f4 Qd7 10. Nd5 Ne8 11. Be3 f5 12. Qd2 Nd4 13. fxe5 Nxe2+ 14. Qxe2 dxe5 15. Bc5 Rf7 16. exf5 gxf5 17. g4 Nd6 18. g5 e4 19. Rad1 Bxd5 20. cxd5 Qb5 21. Bxd6 cxd6 22. Bh3 Raf8 23. Kh1 exd3 24. Qxd3 Qxd3 25. Rxd3 Bxb2 26. Rdf3 Kg7 27. Bxf5 b5 28. Kg2 b4 29. h4 a5 30. h5 h6 31. g6 Rc7 32. R3f2 Bd4 33. Rc2 Bc3 34. Bd3 Rxf1 35. Kxf1 a4 36. Rf2 Bf6 37. Rc2 Bc3 38. Rf2 b3 39. axb3 a3 40. Bb1 Bf6 41. Ba2 Rc1+ 42. Ke2 Ra1 43. Kd3 Bb2 44. b4 Rxa2 45. b5 Ra1 46. b6 Bf6 47. Rc2 Bd8 48. b7 Rb1 49. Ra2 Rb3+ 50. Ke4 Rxb7 51. Rxa3 Re7+ 52. Kf4 Re5 53. Ra8 Be7 54. Ra7 Kf6 |
| ECO A16 in 1971 play it! biyiasas peter defeats white's harper bruce in 76 moves | 1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nc6 7. Nge2 e5 8. d5 Ne7 9. Qd2 Ne8 10. g4 f5 11. h3 Nf6 12. Bg2 a6 13. O-O-O b5 14. c5 dxc5 15. Bxc5 Ne8 16. gxf5 gxf5 17. h4 Nd6 18. Rdg1 Kh8 19. h5 Bd7 20. Bh3 Rf6 21. f4 Bh6 22. b3 b4 23. Bxb4 fxe4 24. fxe5 Bxd2+ 25. Kxd2 Rf3 26. exd6 Nf5 27. Nxe4 Nxd6 28. Ng5 Bxh3 29. Nxf3 Ne4+ 30. Ke3 Bf5 31. Ng3 Qxd5 32. Ba3 Re8 33. Kf4 Bg4 34. Bb2+ Kg8 35. Kxg4 Nf2+ 36. Kh4 Qd8+ 37. Ng5 h6 38. Nf5 Re4+ |
| ECO A10 in 1972 play it! biyiasas peter defeats white's smook r in 72 moves | 1. c4 g6 2. Nc3 Bg7 3. d4 d6 4. e4 Nc6 5. d5 Nd4 6. Nge2 c5 7. dxc6 Nxc6 8. Ng3 Nf6 9. Be2 h5 10. h3 Be6 11. Be3 Qa5 12. Qd2 Rc8 13. O-O h4 14. Nh1 Nh5 15. Rac1 a6 16. b3 f6 17. Bg4 f5 18. exf5 gxf5 19. Bf3 Be5 20. Bxh5+ Rxh5 21. f4 Bg7 22. Qd1 Rh6 23. Na4 Nb8 24. a3 Nd7 25. b4 Qd8 26. Bd4 Bxd4+ 27. Qxd4 Kf7 28. Rfe1 b5 29. cxb5 axb5 30. Rxc8 Qxc8 31. Nc3 Qc4 32. Qe3 Rg6 33. Re2 Nb6 34. Nf2 Nd5 35. Nxd5 Qxd5 36. Nd3 Rg3 |
| ECO A10 in 1973 play it! biyiasas peter defeats white's walker john in 70 moves | 1. c4 g6 2. Nc3 Bg7 3. g3 d6 4. Bg2 Nc6 5. d3 e5 6. Rb1 Be6 7. b4 Qd7 8. Nd5 Nd8 9. b5 c6 10. bxc6 bxc6 11. Nc3 Ne7 12. Bd2 O-O 13. Nf3 Bh3 14. O-O Bxg2 15. Kxg2 f5 16. Qa4 Nf7 17. Nd5 Rac8 18. Nxe7+ Qxe7 19. Qa6 e4 20. Ng1 exd3 21. exd3 g5 22. Rfe1 Qf6 23. f4 gxf4 24. Bxf4 Qc3 25. Rbd1 Ne5 26. Ne2 Qb4 27. Bxe5 dxe5 28. Qxa7 f4 29. gxf4 exf4 30. Kf3 Rce8 31. Rg1 Rf7 32. Qd4 Qe7 33. Qf2 Qf6 34. Rg4 Re3+ 35. Kg2 Rxe2 |
| ECO A10 in 1975 play it! biyiasas peter defeats white's amos bruce in 62 moves | 1. c4 g6 2. d4 d6 3. Nc3 Bg7 4. e4 e5 5. Nf3 Nc6 6. Be3 Nf6 7. Be2 Ng4 8. Bg5 f6 9. Bh4 O-O 10. d5 Ne7 11. Nd2 Nh6 12. f3 c5 13. O-O Nf7 14. Rb1 Kh8 15. b4 cxb4 16. Rxb4 Ng8 17. Bf2 b6 18. a4 f5 19. Qa1 Nf6 20. a5 bxa5 21. Ra4 Bh6 22. Nb3 fxe4 23. Nxe4 Nxe4 24. fxe4 Ng5 25. Bd3 Rb8 26. Nc1 Nh3+ 27. gxh3 Qg5+ 28. Bg3 Bxh3 29. Re1 Rf3 30. Kh1 Rxg3 31. hxg3 Qxg3 |
| ECO A10 in 1980 play it! biyiasas peter defeats white's alburt lev in 72 moves | 1. c4 g6 2. d4 Bg7 3. Nc3 d6 4. e4 Nf6 5. Be2 O-O 6. Bg5 Nbd7 7. Qc1 e5 8. d5 a6 9. Nf3 Qe8 10. Nd2 Nc5 11. b4 Na4 12. Nxa4 Qxa4 13. a3 h6 14. Bh4 Qe8 15. c5 Bd7 16. cxd6 cxd6 17. Qc7 Qc8 18. Qxd6 Qc3 19. Rd1 g5 20. Bg3 Ba4 21. Bxe5 Nxe4 22. Bxc3 Nxd6 23. Bxg7 Kxg7 24. Rc1 Rfe8 25. Nf3 g4 26. Ng1 Rac8 27. Rxc8 Rxc8 28. Bxg4 Rc1+ 29. Kd2 Ra1 30. Bf3 Rxa3 31. Nh3 Rb3 32. Rc1 Rxb4 33. Rc7 Kf6 34. g3 Rd4+ 35. Ke3 Nf5+ 36. Ke2 Bd1+ |
| ECO A10 in 1979 play it! biyiasas peter defeats white's adam w in 114 moves | 1. c4 g6 2. g3 Bg7 3. Bg2 e5 4. Nc3 d6 5. e3 Nf6 6. b4 O-O 7. Nge2 Nbd7 8. O-O Re8 9. Qc2 a5 10. b5 e4 11. Bb2 Nc5 12. Nf4 Bf5 13. Ncd5 c6 14. Nxf6+ Bxf6 15. Bxf6 Qxf6 16. bxc6 bxc6 17. Bh3 Bxh3 18. Nxh3 Rab8 19. Rab1 g5 20. f4 exf3 21. Rxb8 Rxb8 22. d4 Ne6 23. Qe4 Rb2 24. Rxf3 Qg6 25. Qxg6+ hxg6 26. Rf2 Rb1+ 27. Rf1 Rb2 28. Rf2 Rb1+ 29. Rf1 Rxf1+ 30. Kxf1 g4 31. Nf4 Ng5 32. Ke2 Kg7 33. Kd3 Kf6 34. e4 Nf3 35. h4 gxh3 36. Nxh3 c5 37. dxc5 dxc5 38. a4 Ne5+ 39. Kc3 Ng4 40. Kd3 Ke5 41. Ng5 Nf2+ 42. Ke3 Nd1+ 43. Kd2 Nb2 44. Nxf7+ Kxe4 45. Kc3 Nxa4+ 46. Kb3 Nb6 47. Nd6+ Kd3 48. g4 a4+ 49. Ka2 Nxc4 50. Nf7 Ke4 51. g5 Kf5 52. Ka1 Ne5 53. Nd8 c4 54. Kb2 Kxg5 55. Ka3 c3 56. Ne6+ Kf5 57. Nd4+ Ke4 |
| ECO A10 in 1979 play it! biyiasas peter defeats white's blocker calvin u in 108 moves | 1. c4 g6 2. Nc3 Bg7 3. g3 e5 4. Bg2 Nc6 5. d3 Nf6 6. e4 O-O 7. Nge2 d6 8. O-O Be6 9. f4 Qd7 10. Nd5 Ne8 11. Be3 f5 12. Qd2 Nd4 13. fxe5 Nxe2+ 14. Qxe2 dxe5 15. Bc5 Rf7 16. exf5 gxf5 17. g4 Nd6 18. g5 e4 19. Rad1 Bxd5 20. cxd5 Qb5 21. Bxd6 cxd6 22. Bh3 Raf8 23. Kh1 exd3 24. Qxd3 Qxd3 25. Rxd3 Bxb2 26. Rdf3 Kg7 27. Bxf5 b5 28. Kg2 b4 29. h4 a5 30. h5 h6 31. g6 Rc7 32. R3f2 Bd4 33. Rc2 Bc3 34. Bd3 Rxf1 35. Kxf1 a4 36. Rf2 Bf6 37. Rc2 Bc3 38. Rf2 b3 39. axb3 a3 40. Bb1 Bf6 41. Ba2 Rc1+ 42. Ke2 Ra1 43. Kd3 Bb2 44. b4 Rxa2 45. b5 Ra1 46. b6 Bf6 47. Rc2 Bd8 48. b7 Rb1 49. Ra2 Rb3+ 50. Ke4 Rxb7 51. Rxa3 Re7+ 52. Kf4 Re5 53. Ra8 Be7 54. Ra7 Kf6 |
| ECO A16 in 1979 play it! biyiasas peter defeats white's tangborn eric in 81 moves | 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. e4 c5 6. Nge2 Nc6 7. O-O d6 8. a3 Ne8 9. Rb1 Nc7 10. b4 Ne6 11. d3 Ncd4 12. Be3 b6 13. f4 Nxe2+ 14. Nxe2 Nd4 15. Nxd4 cxd4 16. Bf2 Bb7 17. Qe2 Qd7 18. Rbe1 e5 19. f5 Bh6 20. h4 b5 21. g4 f6 22. fxg6 hxg6 23. Bh3 bxc4 24. dxc4 Qe7 25. Qd3 Kg7 26. Re2 Rh8 27. Rc2 Bf4 28. c5 dxc5 29. Rxc5 Rac8 30. Bxd4 exd4 31. Rxf4 Rxc5 32. bxc5 Rxh4 33. Bg2 g5 34. Rf2 Qxc5 35. e5 Rxg4 36. exf6+ Kf8 37. Qg6 Qc1+ 38. Kh2 Rh4+ 39. Kg3 Qe3+ 40. Rf3 Qe8 41. Rf2 |