| ECO A05 in 1977 play it! backe peter defeats white's westerlund ola by checkmate in 40 moves | 1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 g6 5. Nc3 Bg7 6. O-O O-O 7. b3 e6 8. Bb2 d5 9. cxd5 exd5 10. d4 Re8 11. Rc1 Nc6 12. Rc2 Ne4 13. a3 Na5 14. Rc1 f5 15. Qc2 a6 16. Ra1 Rc8 17. Rfd1 Qd6 18. Ra2 c5 19. dxc5 Qxc5 20. Kf1 Qxf2# |
| ECO A05 in 1984 play it! backe peter defeats white's ljungdahl john in 64 moves | 1. Nf3 Nf6 2. d4 e6 3. c4 b6 4. Bg5 Bb7 5. e3 Be7 6. Bd3 Ne4 7. Bxe7 Qxe7 8. O-O d6 9. Qc2 f5 10. Nbd2 Nxd2 11. Nxd2 Nd7 12. e4 f4 13. f3 e5 14. d5 a5 15. b3 g5 16. a3 h5 17. b4 a4 18. Qd1 Kf7 19. Bc2 Rag8 20. Bxa4 Nf6 21. Bb3 g4 22. c5 h4 23. cxd6 cxd6 24. fxg4 Rxg4 25. Qf3 Bc8 26. Rf2 Rg3 27. hxg3 hxg3 28. Rc1 Kg6 29. Nf1 Bg4 30. Qd3 Qh7 31. Nxg3 Qh2+ 32. Kf1 Qh1+ |
| ECO A05 in 1989 play it! backe peter defeats white's setterqvist kurt in 54 moves | 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. b3 b6 7. Bb2 Bb7 8. d3 c5 9. e3 Nc6 10. Qe2 Qc7 11. Nc3 a6 12. Rfd1 Rad8 13. cxd5 exd5 14. d4 b5 15. dxc5 Bxc5 16. Rac1 Qb6 17. Qc2 Nb4 18. Qf5 Bxe3 19. fxe3 Qxe3+ 20. Kh1 d4 21. Nb1 Ne4 22. Re1 Nf2+ 23. Kg1 Nh3+ 24. Kh1 Nd3 25. Bxh3 Bxf3+ 26. Qxf3 Qxf3+ 27. Bg2 Qf2 |
| ECO A05 in 1992 play it! backe peter defeats white's heinola vesa in 56 moves | 1. Nf3 Nf6 2. g3 b5 3. Bg2 Bb7 4. Na3 a6 5. O-O e6 6. b3 Be7 7. Bb2 O-O 8. c4 b4 9. Nc2 a5 10. d3 d5 11. Ne5 Nbd7 12. Qd2 c5 13. Ne3 a4 14. bxa4 Nb6 15. cxd5 Nfxd5 16. Nxd5 exd5 17. Ng4 Nxa4 18. Be5 Ra6 19. Rab1 Qd7 20. Qf4 d4 21. Bxb7 Qxb7 22. Qf5 Qc8 23. Qxc8 Rxc8 24. f3 Nc3 25. Rb2 Rca8 26. Rc1 Rxa2 27. Rcc2 Ra1+ 28. Kg2 Nd1 |
| ECO A05 in 1982 play it! backe peter defeats white's tornefjell b in 82 moves | 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. O-O e6 5. c4 Be7 6. Nc3 O-O 7. b3 c5 8. d4 Ne4 9. Bb2 Bf6 10. Qc2 Nxc3 11. Bxc3 Qc8 12. dxc5 Bxc3 13. Ng5 g6 14. Bxb7 Qxb7 15. Qxc3 f6 16. Nf3 bxc5 17. Rfd1 a5 18. Qe3 Qc6 19. Rd3 d5 20. cxd5 exd5 21. Rc1 Na6 22. Qd2 Nc7 23. h4 a4 24. h5 Kg7 25. b4 c4 26. Rd4 Rae8 27. hxg6 hxg6 28. Kg2 Rh8 29. Rh4 Rxh4 30. Nxh4 d4+ 31. f3 Nb5 32. Qc2 f5 33. Kf1 Nc3 34. Re1 Qc7 35. Kg2 Qe5 36. f4 Qxe2+ 37. Rxe2 Rxe2+ 38. Qxe2 Nxe2 39. Nf3 c3 40. Ne1 Kf7 41. a3 Nc1 |
| ECO A16 in 1976 play it! backe peter defeats white's jansson in 60 moves | 1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. d5 c5 8. O-O Na6 9. Bd2 Nc7 10. Qc1 Bd7 11. Bh6 Nfe8 12. Bxg7 Nxg7 13. h3 f5 14. exf5 Nxf5 15. Ne4 Qe7 16. Qd2 b5 17. b4 cxb4 18. Qxb4 a5 19. Qd2 bxc4 20. Bxc4 Bb5 21. Rfc1 Kg7 22. Rab1 Rfb8 23. Bxb5 Rxb5 24. Rxb5 Nxb5 25. Rc4 Ra7 26. Nh2 Nbd4 27. Ra4 Qc7 28. Ra3 Qb7 29. Nc3 Qb4 30. Ra4 Qxc3 |
| ECO A30 in 1978 play it! backe peter defeats white's berg michael in 66 moves | 1. c4 c5 2. Nf3 Nc6 3. g3 g6 4. Bg2 Bg7 5. O-O e5 6. Nc3 Nge7 7. d3 O-O 8. Be3 d6 9. Qc1 Rb8 10. Bh6 a6 11. Bxg7 Kxg7 12. a4 Bg4 13. Qd2 Bxf3 14. Bxf3 Nd4 15. Rab1 Nxf3+ 16. exf3 Nc6 17. Nd5 Nd4 18. Kg2 b5 19. axb5 axb5 20. b4 cxb4 21. Rxb4 bxc4 22. Rxc4 Rb3 23. Ra1 Rb5 24. Nc7 Rb7 25. Ra8 Qf6 26. Ne8+ Rxe8 27. Rxe8 Qxf3+ 28. Kh3 Ne2 29. Qe1 Rb5 30. Qa1 Qxf2 31. Rc1 Nxc1 32. Qxc1 Rb2 33. Qh1 h5 |
| ECO A13 in 1993 play it! backe peter defeats white's gunnarsson magnu in 72 moves | 1. c4 e6 2. Nf3 Nf6 3. d4 b6 4. g3 Bb4+ 5. Bd2 a5 6. Bg2 O-O 7. O-O Ba6 8. b3 d5 9. Qc2 c6 10. Bxb4 axb4 11. a3 Bb7 12. Ra2 Na6 13. cxd5 cxd5 14. a4 Ne4 15. Rc1 Rc8 16. Qb2 Nb8 17. Ne5 f6 18. Nd3 Nc6 19. f3 Nd6 20. Bh3 Re8 21. Nf4 f5 22. Bf1 Ba6 23. e3 Bxf1 24. Rxf1 e5 25. dxe5 Rxe5 26. Qd2 Nb7 27. Ne2 Qd6 28. Nd4 Nxd4 29. exd4 Re7 30. f4 Na5 31. Rc2 Rce8 32. Qd3 Qf6 33. Rd2 Re3 34. Qb5 Qc6 35. Qxc6 Nxc6 36. Rb2 Nxd4 |
| ECO A13 in 1980 play it! backe peter defeats white's knoppel bjorn in 82 moves | 1. c4 e6 2. Nf3 Nf6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. Nc3 O-O 7. Qc2 c5 8. b3 Nc6 9. Bb2 d5 10. cxd5 exd5 11. a3 d4 12. Nb1 Rc8 13. d3 Na5 14. Nbd2 b5 15. Rfc1 Qb6 16. Qd1 Rfd8 17. Rab1 Nc6 18. Ba1 Nd7 19. b4 Nde5 20. Nxe5 Nxe5 21. bxc5 Rxc5 22. Bxb7 Qxb7 23. Rxc5 Bxc5 24. a4 a6 25. axb5 axb5 26. Qb3 b4 27. Ne4 Be7 28. Rc1 Qb6 29. Bb2 Qh6 30. Kg2 Kf8 31. Rc7 Qb6 32. Qc2 b3 33. Qc1 f5 34. f4 Ng4 35. Rc6 Qb7 36. Kg1 fxe4 37. Rc7 Qd5 38. Rc8 exd3 39. exd3 Ne3 40. Rxd8+ Bxd8 41. Ba3+ Ke8 |
| ECO A17 in 1978 play it! backe peter defeats white's asenlund eo in 102 moves | 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. a3 Bxc3+ 5. bxc3 O-O 6. Nf3 Ne4 7. Qc2 f5 8. e3 b6 9. Bd3 Bb7 10. Rb1 d6 11. a4 Nd7 12. Ba3 Qe8 13. Rg1 Qg6 14. Be2 f4 15. Rd1 fxe3 16. fxe3 Qh6 17. Bc1 Ndf6 18. d5 exd5 19. cxd5 Rae8 20. c4 Ng4 21. Rd3 Nxh2 22. Rd4 Qg6 23. Rxe4 Rxe4 24. Nxh2 Qg3+ 25. Kd1 Qxh2 26. Qxe4 Qxg1+ 27. Kd2 Qf2 28. Bb2 Bc8 29. g4 Qf7 30. Bd4 Qg6 31. Qe7 Bxg4 32. Bxg4 Qxg4 33. Qxc7 Qg6 34. Kc3 h5 35. Qxa7 Rf1 36. Bxb6 Qb1 37. Qb8+ Kh7 38. Qxd6 Rc1+ 39. Kd4 Qb2+ 40. Kc5 Qa3+ 41. Kc6 Rxc4+ 42. Kd7 Qxa4+ 43. Kd8 Qa8+ 44. Ke7 Re4+ 45. Kd7 Qe8+ 46. Kc7 Re7+ 47. Qxe7 Qxe7+ 48. Kc6 Qe4 49. Bd4 h4 50. Kc5 h3 51. d6 Qe8 |
| ECO A13 in 1986 play it! backe peter defeats white's cleanthous d in 104 moves | 1. c4 e6 2. d4 Nf6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Nf3 Nc6 7. g3 Bxc5 8. Bg2 b6 9. O-O Bb7 10. b3 Rc8 11. Na4 Be7 12. Qd1 d5 13. cxd5 Nxd5 14. e4 Ndb4 15. a3 Nd3 16. Be3 b5 17. Nc3 Bf6 18. Nxb5 Bxa1 19. Qxa1 a6 20. Nbd4 Ne7 21. Nd2 e5 22. N4f3 Qc7 23. Ne1 Nc1 24. Nc4 Nxb3 25. Qxe5 Qxc4 26. Qxe7 Bc6 27. Nf3 Qxe4 28. Qa7 Qa4 29. Qe7 Rfe8 30. Qd6 Rcd8 31. Qb4 Qxb4 32. axb4 Be4 33. h4 Rb8 34. Bc5 Bxf3 35. Bxf3 Nd2 36. Bc6 Nxf1 37. Kxf1 Rbc8 38. Bd7 Rxc5 39. bxc5 Re5 40. c6 Rc5 41. Ke2 Kf8 42. Ke3 Ke7 43. Kd4 Kd6 44. Be8 f6 45. f4 Rc1 46. g4 a5 47. g5 a4 48. h5 fxg5 49. fxg5 a3 50. Bf7 Rxc6 51. Bb3 Ra6 52. Ba2 Ra5 |
| ECO A13 in 1982 play it! backe peter defeats white's liljedahl lennar in 74 moves | 1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. Qc2 b6 7. a3 c5 8. d3 Bb7 9. Nc3 Nc6 10. Rb1 Nd4 11. Nxd4 cxd4 12. Na2 e5 13. b4 Qd7 14. Bg5 Rac8 15. Rfc1 e4 16. Qb3 dxc4 17. dxc4 e3 18. f3 b5 19. Bxf6 bxc4 20. Rxc4 Bxf6 21. Rxc8 Rxc8 22. Rc1 Qb5 23. Rxc8+ Bxc8 24. Nc1 a5 25. Nd3 Be6 26. Qc2 g6 27. bxa5 Qxa5 28. Bf1 Qxa3 29. Kg2 Qc3 30. Qb2 Bf5 31. Qa2 Be6 32. Qb1 Bb3 33. h4 Kg7 34. Kh3 Bc2 35. Qb5 Qa1 36. Kg2 Bxd3 37. Qxd3 Qe1 |
| ECO A13 in 1985 play it! backe peter defeats white's moreno alberto in 60 moves | 1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. b3 c5 7. d3 Nc6 8. Nbd2 d4 9. a3 e5 10. Re1 Bf5 11. Nh4 Be6 12. Nf1 Qd7 13. Ra2 Rad8 14. Bg5 h6 15. Bxf6 Bxf6 16. Nf3 a6 17. N1d2 Bg4 18. Rb2 a5 19. Qc2 b6 20. Nf1 g6 21. Rbb1 Bg7 22. Rbd1 Kh7 23. N3d2 Bh3 24. Bh1 f5 25. e4 dxe3 26. Nxe3 Nd4 27. Qb1 f4 28. Nd5 fxg3 29. hxg3 Qf5 30. Ne4 Rxd5 |
| ECO A13 in 1985 play it! backe peter defeats white's eriksson in 56 moves | 1. c4 e6 2. Nc3 Bb4 3. e4 Ne7 4. a3 Bxc3 5. bxc3 O-O 6. d4 d6 7. Nf3 Nbc6 8. Bg5 f6 9. Bh4 e5 10. h3 Ng6 11. d5 Na5 12. g4 b6 13. Bg3 Qe8 14. Nd2 Ba6 15. Rb1 Rc8 16. h4 c6 17. Qc2 Nf4 18. h5 cxd5 19. cxd5 Bxf1 20. Kxf1 Rc7 21. Bxf4 exf4 22. Kg2 Qc8 23. f3 Rxc3 24. Qd1 Qc5 25. a4 Rc8 26. Re1 Rd3 27. Qe2 Qd4 28. Nf1 Rcc3 |
| ECO A17 in 1976 play it! backe peter defeats white's eriksson in 72 moves | 1. c4 Nf6 2. Nc3 e6 3. g3 c5 4. Bg2 Nc6 5. Nf3 Be7 6. O-O O-O 7. d4 d5 8. cxd5 exd5 9. dxc5 Bxc5 10. Bg5 Be6 11. Rc1 Be7 12. Nd4 Qd7 13. Nxc6 bxc6 14. Na4 Qb7 15. Qd4 Rac8 16. Nc5 Qb6 17. Nxe6 fxe6 18. Qxb6 axb6 19. Bh3 Kf7 20. Rfd1 h6 21. Bf4 g5 22. Be5 Rfd8 23. Rd4 Bd6 24. f4 Bc5 25. Bxf6 Kxf6 26. fxg5+ hxg5 27. Rxc5 bxc5 28. Rd3 c4 29. Rf3+ Ke7 30. Re3 Rd6 31. Ra3 d4 32. Kf2 Rb8 33. b3 c3 34. Ke1 d3 35. Kd1 c2+ 36. Kd2 dxe2+ |
| ECO A13 in 1988 play it! backe peter defeats white's westin bertil in 66 moves | 1. c4 e6 2. Nc3 Bb4 3. d4 Nf6 4. e3 b6 5. Bd3 Bb7 6. Ne2 Bxg2 7. Rg1 Be4 8. Bxe4 Nxe4 9. Rxg7 Qf6 10. Rg2 Nc6 11. Kf1 Bxc3 12. bxc3 Qf3 13. Qd3 O-O-O 14. Ng3 f5 15. Nxe4 fxe4 16. Qe2 Qf7 17. Qg4 Rhg8 18. Qxe4 Rxg2 19. Qxg2 Rg8 20. Qh3 e5 21. d5 Na5 22. e4 Nxc4 23. Qd3 Qh5 24. h3 Nd6 25. Bd2 Qg6 26. Re1 Qg2+ 27. Ke2 Nxe4 28. Be3 Rf8 29. Kd1 Nxf2+ 30. Bxf2 Rxf2 31. Re2 Rxe2 32. Qxe2 Qxe2+ 33. Kxe2 Kd8 |
| ECO A13 in 1992 play it! backe peter defeats white's bergsten u by checkmate in 78 moves | 1. c4 e6 2. Nc3 Bb4 3. e4 Ne7 4. a3 Bxc3 5. dxc3 O-O 6. Nf3 d6 7. Be2 Nbc6 8. O-O a5 9. b3 e5 10. Bg5 f6 11. Bh4 Be6 12. Ne1 Qd7 13. f3 Ng6 14. Bf2 Nf4 15. a4 Rf7 16. Be3 g5 17. g4 h5 18. Bxf4 gxf4 19. h3 Rh7 20. Rf2 hxg4 21. hxg4 Qg7 22. Bf1 Kf7 23. Raa2 Rah8 24. Rh2 Ne7 25. Raf2 f5 26. exf5 Nxf5 27. Qc2 Ne3 28. Rxh7 Rxh7 29. Qd3 Qh6 30. Rg2 e4 31. fxe4 Qh1+ 32. Kf2 Qh4+ 33. Ke2 Bxg4+ 34. Kd2 Nxg2 35. Nxg2 Qf2+ 36. Kc1 Rh1 37. Qd5+ Be6 38. Qxb7 Rxf1+ 39. Ne1 Rxe1# |
| ECO A13 in 1982 play it! backe peter defeats white's alm h in 102 moves | 1. c4 e6 2. Nc3 Bb4 3. e4 Ne7 4. Qb3 c5 5. Nb5 O-O 6. a3 Ba5 7. Nd6 Nbc6 8. Qg3 Bc7 9. Nf3 Ng6 10. d3 Qe7 11. Nxc8 Raxc8 12. Qg5 d5 13. Qxe7 Ncxe7 14. Be3 d4 15. Bd2 f5 16. Ng5 Rf6 17. exf5 exf5 18. O-O-O h6 19. Nf3 f4 20. Re1 Nc6 21. Re4 Kf7 22. Be2 Re8 23. Rxe8 Kxe8 24. Re1 Kd8 25. b4 b6 26. Bd1 Nce5 27. Kc2 Nxf3 28. Bxf3 Ne5 29. Bd5 f3 30. Rg1 g5 31. h3 fxg2 32. Rxg2 Ng6 33. f3 Bf4 34. Be1 Be3 35. Bg3 Bf4 36. Be1 Bd6 37. Bd2 Kd7 38. b5 Bf4 39. Be1 Be5 40. Bd2 Nh4 41. Rf2 Bf4 42. Be1 Bg3 43. Re2 Bxe1 44. Rxe1 Kd6 45. Bc6 Re6 46. Kd2 Rxe1 47. Kxe1 Ng2+ 48. Kf2 Nf4 49. Be4 Nxh3+ 50. Kg3 Nf4 51. Kg4 Ke5 |
| ECO A03 in 1977 play it! backe peter defeats white's oscarsson in 104 moves | 1. f4 d5 2. g3 g6 3. Bg2 Bg7 4. d3 f5 5. Nf3 Nh6 6. c3 Nf7 7. Qb3 c6 8. Nbd2 Nd7 9. Nd4 Nc5 10. Qa3 Qd6 11. N2f3 O-O 12. Be3 b6 13. O-O Bd7 14. Rfd1 Nb7 15. Qxd6 Nbxd6 16. Nc2 Rfd8 17. a4 Rab8 18. Ra3 a5 19. b4 Rb7 20. Rb1 Rdb8 21. bxa5 bxa5 22. Rxb7 Rxb7 23. Bc5 e6 24. Kf2 Bf8 25. Bxd6 Bxd6 26. Ra2 e5 27. fxe5 Nxe5 28. Ne3 Kf8 29. c4 Nxf3 30. Bxf3 d4 31. Nc2 Bc5 32. Ke1 Rb1+ 33. Kd2 Bb4+ 34. Nxb4 Rxb4 35. c5 Ke7 36. Kc2 Be6 37. Rb2 Rxb2+ 38. Kxb2 Kd7 39. Bg2 g5 40. h3 h5 41. Kc2 g4 42. hxg4 hxg4 43. e4 dxe3 44. Bh1 e2 45. Kd2 Bb3 46. Kxe2 Bxa4 47. Kd2 Bb3 48. Bg2 Bd5 49. Bf1 a4 50. Kc3 a3 51. d4 f4 52. Be2 fxg3 |
| ECO A02 in 1980 play it! backe peter defeats white's karlsson in 112 moves | 1. f4 e5 2. fxe5 d6 3. Nf3 dxe5 4. e4 Nc6 5. Bc4 Bc5 6. d3 h6 7. c3 Nf6 8. Qe2 Qd6 9. b4 Bb6 10. Be3 Be6 11. Nbd2 Bxe3 12. Qxe3 Nd7 13. Bxe6 Qxe6 14. O-O O-O 15. Nh4 Ne7 16. Nc4 b5 17. Na3 c6 18. Nc2 a5 19. a3 axb4 20. axb4 Qb3 21. Qd2 Nb6 22. Ne3 Rxa1 23. Rxa1 Na4 24. Rc1 Rd8 25. Nef5 Nxf5 26. Nxf5 c5 27. Ne7+ Kf8 28. Nd5 cxb4 29. cxb4 Qb2 30. Rc2 Qd4+ 31. Kf1 f5 32. Qe2 f4 33. g3 Nb6 34. Nxb6 Qxb6 35. Rc5 Qf6 36. gxf4 Qxf4+ 37. Kg2 Rd6 38. Qf2 Rxd3 39. Qxf4+ exf4 40. Rxb5 g5 41. h4 Rg3+ 42. Kf2 Kg7 43. hxg5 hxg5 44. Rf5 Kg6 45. Rf8 Re3 46. Re8 Rb3 47. Re6+ Kh5 48. Rb6 Kg4 49. e5 Rb2+ 50. Ke1 f3 51. Rf6 Re2+ 52. Kf1 Kg3 53. e6 Rb2 54. Ke1 Rxb4 55. Kd2 f2 56. Kc3 Re4 |