| ECO B27 in 2004 play it! petursson margei defeats white's olafsson helgi in 90 moves | 1. e4 c5 2. Nf3 g6 3. c3 Bg7 4. d4 d5 5. exd5 Nf6 6. Bb5+ Nbd7 7. d6 exd6 8. Qe2+ Qe7 9. Bf4 cxd4 10. cxd4 Qxe2+ 11. Bxe2 Ke7 12. Nc3 Nb6 13. O-O-O Be6 14. Rhe1 Rac8 15. Kb1 Nbd5 16. Nxd5+ Nxd5 17. Bc1 h6 18. a3 a6 19. Bd3 Kd7 20. Bd2 b5 21. Rc1 Nb6 22. Rxc8 Rxc8 23. Rc1 Re8 24. Be4 Ba2+ 25. Kxa2 Rxe4 26. Re1 Rxe1 27. Bxe1 Ke6 28. Kb3 Kd5 29. Bc3 Nc4 30. a4 Bf8 31. axb5 axb5 32. Kb4 Kc6 33. d5+ Kxd5 34. Kxb5 Ne5 35. Nxe5 dxe5 36. b4 e4 37. Bd2 g5 38. g4 f5 39. gxf5 Ke5 40. Kc6 Kxf5 41. Kd5 Bxb4 42. Bxb4 Kf4 43. Bc5 g4 44. Bd6+ Kf3 45. Bg3 e3 |
| ECO B30 in 2007 play it! petursson margei defeats white's fuglsang flemmin in 48 moves | 1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Nb3 Nf6 7. Be2 O-O 8. O-O d6 9. Be3 Be6 10. f4 Rc8 11. f5 Bd7 12. g4 Ne5 13. g5 Rxc3 14. bxc3 Nxe4 15. fxg6 hxg6 16. Qe1 Nxc3 17. Bd4 Nxe2+ 18. Qxe2 Qc8 19. Rf4 Bc6 20. Qf1 Nf3+ 21. Kf2 Nxd4 22. Nxd4 Bd5 23. Qb5 Bxd4+ 24. Rxd4 Qf5+ |
| ECO B93 in 1976 play it! petursson margei defeats white's van der wiel joh in 86 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 Qc7 7. a4 g6 8. Bd3 Bg7 9. Nf3 Nbd7 10. O-O O-O 11. Qe1 b6 12. e5 dxe5 13. fxe5 Ng4 14. e6 Nde5 15. exf7+ Rxf7 16. Qg3 Nxf3+ 17. gxf3 Be5 18. f4 Bxc3 19. bxc3 Qc5+ 20. Kg2 Bb7+ 21. Kh3 Qh5+ 22. Qh4 Bg2+ 23. Kg3 Bxf1 24. Qxh5 gxh5 25. Bxf1 Rg7 26. Be2 Rc8 27. Bd2 Ne5+ 28. Kf2 Nc4 29. Bc1 Rc5 30. Rb1 Rg6 31. Rb4 Rgc6 32. Bf3 Rc7 33. Ke2 e6 34. Be4 Kg7 35. Bd3 Kf6 36. Kf3 a5 37. Rb1 Rg7 38. Kf2 h4 39. Rb5 Rxb5 40. axb5 Rc7 41. Kf3 a4 42. Kg4 Rg7+ 43. Kf3 Rg1 |
| ECO B35 in 1996 play it! petursson margei defeats white's zapata alonso in 89 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 O-O 8. Bb3 d6 9. f3 Bd7 10. Qd2 Rc8 11. O-O-O Ne5 12. Bg5 Nc4 13. Bxc4 Rxc4 14. e5 dxe5 15. Nde2 Rc7 16. Bxf6 exf6 17. Nb5 Rc5 18. Nec3 a6 19. Qxd7 Qxd7 20. Rxd7 axb5 21. Rxb7 Ra8 22. Rd1 f5 23. Nxb5 e4 24. f4 Bh6 25. g3 g5 26. fxg5 Bxg5+ 27. Kb1 e3 28. Re1 f4 29. Nd4 Rd8 30. Nf3 fxg3 31. hxg3 e2 32. c3 Rf5 33. Rxe2 Rxf3 34. Rg2 Ra8 35. a3 Kg7 36. Rc2 h5 37. Rb5 Kg6 38. Rb3 Be3 39. Rh2 f5 40. a4 Rxg3 41. a5 Rg5 42. Rb5 f4 43. Rb6+ Kf7 44. a6 f3 45. Rh3 |
| ECO B70 in 1987 play it! petursson margei defeats white's schneider lars in 82 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. h3 O-O 8. O-O a6 9. Re1 b5 10. Bb3 Bb7 11. Bg5 Nbd7 12. Nd5 e6 13. Nxf6+ Bxf6 14. Bxf6 Qxf6 15. c3 Rfd8 16. Qd2 Nc5 17. Bc2 e5 18. Nb3 Ne6 19. Na5 Rab8 20. Qe3 Ba8 21. b4 h5 22. Bb3 Nf4 23. Kh2 h4 24. Rad1 Kg7 25. a3 Rbc8 26. c4 Qg5 27. g3 Ne6 28. Rc1 hxg3+ 29. fxg3 Qxe3 30. Rxe3 Ng5 31. Rce1 f5 32. cxb5 axb5 33. Bd5 Nxe4 34. Bxa8 Rxa8 35. Rc1 Rdc8 36. Ree1 d5 37. Nc6 Kf6 38. Red1 Rxa3 39. Rxd5 Ra6 40. Rxe5 Raxc6 41. Rxc6+ Rxc6 |
| ECO B75 in 1981 play it! petursson margei defeats white's ernst thomas in 70 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 O-O 9. O-O-O d5 10. exd5 Nxd5 11. Nxc6 bxc6 12. Bd4 e5 13. Bc5 Re8 14. Bc4 Qh4 15. Bxd5 cxd5 16. Nxd5 Qc4 17. Ne7+ Kh8 18. Qd5 Qf4+ 19. Kb1 Be6 20. Qc6 Qh4 21. Nd5 Rec8 22. Nc7 Rab8 23. b3 Qc4 24. Rd6 Bf5 25. Rc1 Qc3 26. Bxa7 Rxb3+ 27. axb3 Qxb3+ 28. Ka1 e4+ 29. Rd4 Qa3+ 30. Kb1 Qxa7 31. Ra4 Qb8+ 32. Qb5 Qxc7 33. Ka2 Rb8 34. Qa5 Be6+ 35. c4 Qb7 |
| ECO B33 in 1978 play it! petursson margei defeats white's ligterink gert n in 56 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 Be6 9. Nc4 Rc8 10. Bxf6 gxf6 11. Ne3 Bh6 12. Ncd5 Bxe3 13. Nxe3 Qb6 14. Bd3 Qb4+ 15. Qd2 Qxb2 16. O-O Qd4 17. Rab1 b5 18. c3 Qa4 19. Bc2 Qa5 20. Bb3 Nd4 21. Bxe6 fxe6 22. Ng4 O-O 23. Rbe1 Qxc3 24. Qh6 Qc7 25. f4 Qg7 26. Qh3 Rc2 27. Kh1 f5 28. exf5 exf5 |
| ECO B70 in 1988 play it! petursson margei defeats white's andrijevic milan in 90 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. O-O O-O 8. Bg5 Nc6 9. Nb3 a6 10. f4 b5 11. Bf3 b4 12. Na4 Bd7 13. Qe1 Rb8 14. a3 Qc7 15. Qd2 a5 16. Bh4 Be6 17. Bf2 Nd7 18. Rfc1 Bc4 19. Nd4 Nxd4 20. Bxd4 Bxd4+ 21. Qxd4 e5 22. Qd2 exf4 23. axb4 axb4 24. Rd1 Qa7+ 25. Qd4 Ra8 26. Qxa7 Rxa7 27. b3 Be6 28. Rxd6 Rc8 29. Bd1 Ne5 30. h3 Rcc7 31. Rb6 Rd7 32. Rxb4 Rd2 33. Rc1 Ra5 34. Nc3 Rc5 35. Nb1 Rd8 36. Be2 Nc6 37. Rb5 Nd4 38. Rxc5 Nxe2+ 39. Kf2 Nxc1 40. Ra5 Rd1 41. Na3 h6 42. b4 Rd2+ 43. Kf1 Na2 44. b5 f3 45. gxf3 Nc3 |
| ECO B22 in 1979 play it! petursson margei defeats white's tiller bjorn in 106 moves | 1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Bg4 6. Be2 e6 7. O-O Nc6 8. Be3 cxd4 9. cxd4 Be7 10. Nc3 Qd6 11. h3 Bh5 12. a3 O-O 13. b4 Rac8 14. Rc1 Rfd8 15. Qb3 h6 16. Rfd1 Bf8 17. Na4 b6 18. Nb2 Nd5 19. Nc4 Qb8 20. b5 Na5 21. Nxa5 bxa5 22. Bd2 Nf4 23. Bc4 a4 24. Qe3 Bxf3 25. Qxf3 Rxd4 26. Bf1 Nd5 27. Rxc8 Qxc8 28. Rc1 Qd8 29. Be1 Nb6 30. Bc3 Rd5 31. Ba5 Bc5 32. Qg3 Rf5 33. Rc2 Rd5 34. Qg4 Qd6 35. Bxb6 axb6 36. Qxa4 Rd1 37. Qa8+ Kh7 38. Qe4+ g6 39. Qf3 Kg7 40. a4 Ra1 41. Qc3+ Bd4 42. Qf3 Rxa4 43. Rd2 Qe5 44. Qd3 h5 45. Qf3 h4 46. Rc2 Ra1 47. Qe2 Qxe2 48. Rxe2 e5 49. Rd2 f5 50. Rd3 Ra2 51. Rd1 Bxf2+ 52. Kh1 e4 53. Bc4 Rc2 |
| ECO B34 in 1996 play it! petursson margei defeats white's bjornsson sigurb in 80 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Be2 O-O 8. O-O d6 9. Kh1 Bd7 10. f4 a6 11. Bf3 Rc8 12. Qe1 Qc7 13. Rd1 Na5 14. Qh4 Nc4 15. Bc1 b5 16. Nce2 e5 17. Nb3 d5 18. fxe5 Nxe5 19. exd5 Qxc2 20. Ned4 Nxf3 21. Nxf3 Qc4 22. Nbd4 Nxd5 23. Bh6 f6 24. b3 Qc5 25. Bxg7 Kxg7 26. Rd3 Rce8 27. Rfd1 Nb6 28. b4 Qc7 29. Nb3 Bf5 30. R3d2 Nc4 31. Rd4 Rf7 32. Nc5 a5 33. Ne4 Bxe4 34. Rxe4 Rxe4 35. Qxe4 Re7 36. Qd3 Nb2 37. Qd2 Nxd1 38. Qxd1 axb4 39. h4 Qf4 40. Qd8 Rc7 |
| ECO B36 in 1988 play it! petursson margei defeats white's jansa vlastimil in 80 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Nc3 d6 7. Be2 Bg7 8. Be3 O-O 9. O-O Bd7 10. Qd2 Nxd4 11. Bxd4 Bc6 12. f3 a5 13. b3 Nd7 14. Be3 Nc5 15. Rab1 Qb6 16. Nb5 Rfc8 17. Rfd1 Qd8 18. Nd4 Qf8 19. a3 Bd7 20. b4 axb4 21. axb4 Ne6 22. Ra1 Rxa1 23. Rxa1 Ra8 24. Rxa8 Qxa8 25. Nxe6 Bxe6 26. Bd4 Bxd4+ 27. Qxd4 Qa2 28. Kf2 h5 29. h3 b6 30. f4 Qc2 31. e5 dxe5 32. fxe5 Qf5+ 33. Kg3 h4+ 34. Kh2 Qc2 35. Bg4 Qxc4 36. Qd8+ Kg7 37. Qxe7 Qf4+ 38. Kg1 Qe3+ 39. Kh1 Qe1+ 40. Kh2 Qxe5+ |
| ECO B22 in 1991 play it! petursson margei defeats white's ivanov alexey in 76 moves | 1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Bg4 6. Be2 e6 7. h3 Bh5 8. O-O Nc6 9. Be3 cxd4 10. cxd4 Be7 11. Nc3 Qd6 12. Nb5 Qd8 13. Ne5 Bxe2 14. Qxe2 Nb4 15. d5 Nfxd5 16. Bxa7 O-O 17. Rfd1 Qa5 18. a3 Nc6 19. Bd4 Nf4 20. Qf1 Nxd4 21. Rxd4 Bf6 22. Rxf4 Bxe5 23. Rb4 Rad8 24. Rd1 g6 25. g3 Qa6 26. Qe2 Qc6 27. Kh2 Rxd1 28. Qxd1 Bf6 29. Qe2 Rd8 30. Na7 Qc1 31. Qf3 Qf1 32. Rf4 Be5 33. Rxf7 Bxg3+ 34. Qxg3 Kxf7 35. Qh4 Qd3 36. Qxh7+ Kf6 37. Qxb7 Qe2 38. Kg2 Rd5 |
| ECO B35 in 1978 play it! petursson margei defeats white's gamarra caceres in 80 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 O-O 8. Bb3 a5 9. a4 Ng4 10. Qxg4 Nxd4 11. Qd1 Nxb3 12. cxb3 d6 13. Qd2 Be6 14. Nd5 Bxd5 15. exd5 Qd7 16. O-O b5 17. Bb6 bxa4 18. Rxa4 Qb5 19. Bxa5 Qxb3 20. Rb4 Qa2 21. Bc7 Rfc8 22. Rc1 Ra4 23. Rxa4 Qxa4 24. b4 Bh6 25. Qxh6 Rxc7 26. Rb1 Qa2 27. Rd1 Qb3 28. Qd2 Rb7 29. h3 Qxb4 30. Qe3 Qc5 31. Qf3 Rb2 32. Re1 Kf8 33. Qg3 Qd4 34. Re3 Rd2 35. Qg5 Qf6 36. Qh6+ Kg8 37. f3 Qb2 38. Qg5 h6 39. Qg4 Qb6 40. Qc8+ Kh7 |
| ECO B70 in 1995 play it! petursson margei defeats white's kvinnesland k in 60 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. O-O O-O 8. Be3 Nc6 9. Qd2 Ng4 10. Bxg4 Bxg4 11. f3 Bd7 12. Nde2 Rc8 13. a3 Re8 14. Rad1 Qa5 15. Qc1 Be6 16. Nd5 Bxd5 17. Rxd5 Qa6 18. Ng3 Ne5 19. Rfd1 Rc6 20. Bh6 Bxh6 21. Qxh6 Rxc2 22. R5d2 Qb6+ 23. Kh1 Qxb2 24. Rxc2 Qxc2 25. Rc1 Qf2 26. Rf1 Qd4 27. h4 Rc8 28. h5 Rc2 29. f4 Qd2 30. Rg1 Nd3 |
| ECO B70 in 1987 play it! petursson margei defeats white's tisdall jonathan in 56 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. g3 Nc6 7. Bg2 Nxd4 8. Qxd4 Bg7 9. O-O O-O 10. Qb4 Qc7 11. a4 Be6 12. a5 Nd7 13. Be3 Ne5 14. h3 Rac8 15. Kh2 Nc4 16. Nb5 Qd7 17. Bxa7 Bxb2 18. Rab1 Bg7 19. f4 Qd8 20. Nd4 Bd7 21. Nb3 Qc7 22. e5 dxe5 23. Qxb7 Bf5 24. Rf2 exf4 25. gxf4 Nxa5 26. Nxa5 Qxa5 27. Qxe7 Rfe8 28. Bb6 Qxb6 |
| ECO B66 in 1996 play it! petursson margei defeats white's hartman christer in 50 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O h6 9. Be3 Qc7 10. f4 Bd7 11. Be2 b5 12. Bf3 Rc8 13. Nxc6 Bxc6 14. Rhe1 Be7 15. Bd4 O-O 16. e5 dxe5 17. fxe5 Nd7 18. Kb1 Rfd8 19. Qf2 Bxf3 20. gxf3 b4 21. Ne4 Nxe5 22. f4 Rxd4 23. Rxd4 Nf3 24. Red1 Nxd4 25. Rxd4 f5 |
| ECO B23 in 1989 play it! petursson margei defeats white's hodgson julian in 66 moves | 1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bb5 Nd4 6. Nxd4 cxd4 7. Ne2 Nf6 8. Bd3 d6 9. c3 dxc3 10. bxc3 O-O 11. O-O b6 12. Bc2 Bb7 13. d3 Qc7 14. Kh1 Rac8 15. f5 d5 16. Bf4 Qc6 17. Ba4 b5 18. Nd4 Qc5 19. e5 bxa4 20. exf6 Bxf6 21. fxg6 hxg6 22. Qg4 Qxc3 23. Nf5 Qxd3 24. Nh6+ Kg7 25. Rad1 Qa3 26. Nf5+ Kg8 27. h4 Rc4 28. h5 g5 29. Rf3 Qb4 30. Rdf1 Bc8 31. Nh6+ Kh7 32. Qg3 Rxf4 33. Rxf4 gxf4 |
| ECO B70 in 1986 play it! petursson margei defeats white's braga fernando i in 102 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. O-O O-O 8. Be3 Nc6 9. Nb3 Be6 10. f4 Rc8 11. Kh1 a6 12. Qe1 Na5 13. Bd4 Nc6 14. Bg1 b5 15. Rd1 Bd7 16. Bf3 b4 17. Na4 Qc7 18. Nb6 Rb8 19. Nd5 Nxd5 20. exd5 Na7 21. Bd4 Bxd4 22. Nxd4 Nb5 23. Qxe7 Nxd4 24. Rxd4 Rfe8 25. Qf6 Qxc2 26. h4 h5 27. Bxh5 gxh5 28. f5 Qe2 29. Qg5+ Kh8 30. Rf3 Qe1+ 31. Kh2 Qe5+ 32. Rff4 Qg7 33. Qxh5+ Qh7 34. Qf3 Re5 35. Qd3 Bxf5 36. Qxa6 Qg6 37. Qf1 Rc8 38. Qf2 Rc1 39. Rc4 Rd1 40. h5 Qg5 41. Qh4 Qxh4+ 42. Rxh4 Rdxd5 43. Rxb4 Re2 44. Rhd4 Rxd4 45. Rxd4 Rxb2 46. Rxd6 Be4 47. a4 Rxg2+ 48. Kh3 Rg5 49. Kh4 Ra5 50. Rf6 Kg7 51. Rf4 Rxa4 |
| ECO B31 in 1986 play it! petursson margei defeats white's ricardi pablo in 63 moves | 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 e5 6. Bxc6 dxc6 7. d3 Ne7 8. Be3 b6 9. Nbd2 f6 10. a3 g5 11. b4 Ng6 12. Nc4 cxb4 13. axb4 Be6 14. Ra6 O-O 15. Qa1 Qb8 16. Qc3 g4 17. Nfd2 Nf4 18. Qa3 f5 19. Ra1 Ne2+ 20. Kf1 Nd4 21. Qb2 Qb7 22. Bxd4 exd4 23. exf5 Bd5 24. Kg1 Qd7 25. f6 Rxf6 26. Nxb6 Qf5 27. Nxd5 Qxf2+ 28. Kh1 Rf7 29. Qc1 cxd5 30. b5 Raf8 31. g3 Re8 32. b6 |
| ECO B35 in 1978 play it! petursson margei defeats white's gazik igor in 94 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 O-O 8. Bb3 a5 9. a4 Ng4 10. Qxg4 Nxd4 11. Rd1 d6 12. Qg3 Nxb3 13. cxb3 Be6 14. Nd5 Rc8 15. Bb6 Qd7 16. Bxa5 Bxd5 17. exd5 b5 18. Bc3 Bxc3+ 19. bxc3 bxa4 20. bxa4 Qxa4 21. O-O Rc7 22. Rd3 Rb8 23. f4 Qc2 24. h4 Ra7 25. f5 Rb1 26. Rf3 Raa1 27. fxg6 Rxf1+ 28. Rxf1 Rxf1+ 29. Kxf1 hxg6 30. Qf3 Qc1+ 31. Kf2 Qh6 32. Kg3 Qd2 33. Kg4 Kg7 34. Kg3 Qe1+ 35. Kg4 f5+ 36. Kh3 Qe5 37. g3 Kf6 38. g4 f4 39. Qd3 g5 40. h5 Kg7 41. Qg6+ Kf8 42. Qf5+ Qxf5 43. gxf5 Kg7 44. c4 f3 45. h6+ Kxh6 46. c5 dxc5 47. f6 Kg6 |