| ECO B41 in 1978 play it! sigurjonsson gud defeats black's malich burkhard in 83 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f4 Be7 7. Be3 O-O 8. Qf3 e5 9. Nf5 Bxf5 10. exf5 Qa5 11. O-O-O e4 12. Qh3 Rc8 13. Bd4 Nc6 14. Bc4 Qb4 15. Bxf6 Bxf6 16. Bb3 Nd4 17. Nd5 Qc5 18. c3 a5 19. Nxf6+ gxf6 20. Bxf7+ Kg7 21. Rhe1 Nb5 22. Re3 Rc7 23. Be6 Kh8 24. Rxe4 Qf2 25. a4 Rg7 26. Qe3 Qxe3+ 27. Rxe3 Nc7 28. g3 Rd8 29. Red3 Ne8 30. Bc4 h5 31. h3 Kh7 32. R1d2 Re7 33. Be6 Rg7 34. Kd1 Rb8 35. Ke2 b5 36. axb5 Rxb5 37. Kf3 a4 38. g4 Rgb7 39. Bd5 R7b6 40. Bf7 Nc7 41. Rxd6 Rxb2 42. Bg6+ |
| ECO B45 in 1974 play it! sigurjonsson gud defeats black's liberzon vladimi in 67 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 d6 6. Be2 Nf6 7. Be3 Be7 8. O-O O-O 9. f4 Bd7 10. Nb3 a6 11. a4 Na5 12. e5 Ne8 13. Nxa5 Qxa5 14. Qd2 Qc7 15. Rfd1 Rd8 16. Bd4 dxe5 17. fxe5 Bb5 18. Nxb5 axb5 19. c3 bxa4 20. Rxa4 Qd7 21. Qc2 Nc7 22. Bf3 Qc8 23. Qb3 b5 24. Ra7 Bg5 25. Rda1 g6 26. Bc6 Nd5 27. Qxb5 Be3+ 28. Bxe3 Nxe3 29. Ra8 Qc7 30. R1a7 Rd1+ 31. Kf2 Ng4+ 32. Ke2 Qxe5+ 33. Qxe5 Nxe5 34. Kxd1 |
| ECO B41 in 1974 play it! sigurjonsson gud defeats black's ornstein axel in 57 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 Nc6 7. Be3 Be7 8. O-O O-O 9. f4 a6 10. a4 Qc7 11. Kh1 Bd7 12. Nb3 b6 13. Bf3 Rab8 14. g4 Be8 15. g5 Nd7 16. Bg2 f6 17. f5 Bf7 18. h4 Qd8 19. Qg4 Nde5 20. Qg3 exf5 21. exf5 Bc4 22. Rf2 d5 23. Rd1 Nd3 24. Rxd3 Bxd3 25. cxd3 d4 26. Bd5+ Kh8 27. Nxd4 Nxd4 28. Bxd4 fxg5 29. hxg5 |
| ECO B33 in 1977 play it! sigurjonsson gud defeats black's dueball juergen in 75 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Qb6 7. Nxc6 bxc6 8. O-O g6 9. Bd3 Bg7 10. Na4 Qa5 11. c4 Ng4 12. Be2 h5 13. f3 Nf6 14. Bd2 Qe5 15. Be3 h4 16. Qd2 c5 17. Nc3 Rb8 18. Rab1 Bd7 19. Rfd1 Nh5 20. f4 Qe6 21. Nd5 Rc8 22. Bf3 Nf6 23. Re1 Ng4 24. f5 gxf5 25. exf5 Qxf5 26. Bxc5 Ne5 27. Be4 Qh5 28. Bxa7 Rxc4 29. b3 Rxe4 30. Rxe4 Bf5 31. Qb4 Bxe4 32. Qb8+ Kd7 33. Qc7+ Ke6 34. Nf4+ Kf6 35. Nxh5+ Rxh5 36. Rf1+ Kg6 37. Be3 Ng4 38. Qxe7 |
| ECO B42 in 1978 play it! sigurjonsson gud defeats black's acosta alejandro in 73 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nc6 6. Nxc6 dxc6 7. Be3 e5 8. a4 Nf6 9. h3 Be6 10. Nd2 b5 11. O-O Be7 12. Qe2 O-O 13. c4 b4 14. c5 a5 15. Bc4 Qc8 16. Rac1 Rd8 17. Rfd1 h6 18. Nf3 Rxd1+ 19. Rxd1 Nxe4 20. Nxe5 Bxc5 21. Bxc5 Nxc5 22. Nxf7 Bxf7 23. Bxf7+ Kxf7 24. Qh5+ Kg8 25. Qxc5 Qc7 26. Rd6 Rc8 27. b3 Qe7 28. Qc4+ Kh8 29. Qd4 Kg8 30. Rd7 Qg5 31. h4 Qg6 32. Qe5 Rf8 33. Ra7 c5 34. Qd5+ Kh7 35. Qxc5 Qb1+ 36. Kh2 Rf5 37. Qd4 |
| ECO B36 in 1985 play it! sigurjonsson gud defeats black's petursson margei in 77 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Nc3 d6 7. Be2 Nxd4 8. Qxd4 Bg7 9. Bg5 O-O 10. Qe3 Be6 11. O-O Qb6 12. Qd2 Rfc8 13. b3 Qa5 14. Rac1 a6 15. Bf3 Rab8 16. Rfe1 b5 17. Nd5 Qxd2 18. Bxd2 Kf8 19. cxb5 axb5 20. Nb4 Ng4 21. Be2 Bd7 22. h3 Ne5 23. Rxc8+ Bxc8 24. Rc1 Bb7 25. Bxb5 Bxe4 26. Na6 Ra8 27. Nb4 Bf5 28. Rc7 Rb8 29. a4 Be6 30. Na6 Rd8 31. b4 d5 32. Nc5 Bf5 33. a5 Nc4 34. Bg5 Rb8 35. Bxe7+ Kg8 36. a6 Rxb5 37. a7 Nb6 38. Rb7 Be5 39. Rxb6 |
| ECO B35 in 1982 play it! sigurjonsson gud defeats black's karlsson lars in 56 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 d6 8. h3 O-O 9. Bb3 Bd7 10. O-O Rc8 11. Re1 a6 12. f4 b5 13. a3 e6 14. Qd2 Qc7 15. Rad1 Rfd8 16. Qf2 Qb7 17. f5 Nxd4 18. Bxd4 Rf8 19. fxg6 fxg6 20. Qg3 Ne8 21. Kh1 Bxd4 22. Rxd4 Qb6 23. Red1 Rf7 24. e5 Rc5 25. Ne4 d5 26. Nxc5 Qxc5 27. Rxd5 exd5 28. Rxd5 Qf2 |
| ECO B21 in 1970 play it! sigurjonsson gud defeats black's ciocaltea victor in 45 moves | 1. e4 c5 2. f4 Nc6 3. Nf3 e6 4. Nc3 Nge7 5. d4 Nxd4 6. Nxd4 cxd4 7. Qxd4 Nc6 8. Qf2 Bb4 9. Bd3 O-O 10. O-O d6 11. Be3 b6 12. Rad1 Bxc3 13. bxc3 Qe7 14. Qg3 f5 15. Rfe1 Qf7 16. exf5 exf5 17. Bb5 Na5 18. Rxd6 Nb7 19. Rc6 Na5 20. Bd4 Bb7 21. Rd6 Rad8 22. Rxd8 Rxd8 23. Qg5 |
| ECO B93 in 1976 play it! sigurjonsson gud defeats black's beliavsky alexan in 83 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e6 7. Qf3 Qc7 8. Bd3 b5 9. g4 b4 10. Nce2 d5 11. e5 Nfd7 12. g5 Nc5 13. Be3 Nbd7 14. O-O Be7 15. h4 Bb7 16. Qh3 O-O-O 17. a3 bxa3 18. b4 Ne4 19. Rxa3 Bxb4 20. Rxa6 Ndc5 21. Ra2 Bd2 22. Rb1 Kd7 23. Nb5 Qb6 24. Bxe4 Bxe3+ 25. Qxe3 dxe4 26. Rab2 Ba6 27. Nd6 Qa7 28. Nc3 Ra8 29. Qd4 Ke7 30. Nf5+ Ke8 31. Nb5 Bxb5 32. Nd6+ Ke7 33. Rxb5 Nd7 34. Qxa7 Rxa7 35. Rb7 Rxb7 36. Rxb7 e3 37. Kf1 Ra8 38. Ke2 f6 39. Nc4 Rb8 40. exf6+ gxf6 41. gxf6+ Kd8 42. Rxb8+ |
| ECO B33 in 1985 play it! sigurjonsson gud defeats black's thorsteins karl in 47 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 Ng4 7. Bb5 Nxe3 8. fxe3 Bd7 9. O-O Ne5 10. Nf3 Bxb5 11. Nxb5 Nd7 12. Qd5 Qb6 13. Qc4 Kd8 14. Nbd4 d5 15. exd5 h6 16. Rad1 Rc8 17. Qa4 g6 18. Ne6+ fxe6 19. dxe6 Qxe6 20. Ne5 Rc7 21. Nf7+ Ke8 22. Qxa7 Nf6 23. Nxh8 Rxc2 24. Qa4+ |
| ECO B42 in 1977 play it! sigurjonsson gud defeats black's rantanen yrjo in 53 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Qc7 6. O-O Nf6 7. c4 Nc6 8. Nxc6 bxc6 9. Qe2 d6 10. Nc3 Be7 11. Bd2 a5 12. a3 O-O 13. Rab1 d5 14. cxd5 cxd5 15. Rfc1 dxe4 16. Nxe4 Qa7 17. Be3 Qb8 18. b4 axb4 19. Rxb4 Qe5 20. Bd4 Qf4 21. Nxf6+ Bxf6 22. Be3 Qe5 23. Rb5 Qd6 24. Bc5 Qf4 25. Rc4 Qh6 26. Bxf8 Ba6 27. Ra5 |
| ECO B21 in 1973 play it! sigurjonsson gud defeats black's bjerring kai as0 in 71 moves | 1. e4 c5 2. f4 Nc6 3. Nf3 g6 4. Bb5 Bg7 5. O-O d6 6. Nc3 e6 7. Bxc6+ bxc6 8. d3 Ne7 9. Qe1 d5 10. Qf2 c4 11. Be3 cxd3 12. cxd3 O-O 13. Bxa7 Ba6 14. Rfd1 Qc7 15. Bc5 Rfe8 16. Qh4 Rab8 17. Rab1 h5 18. Kh1 Nc8 19. e5 Bf8 20. Bxf8 Rxf8 21. g4 Qe7 22. gxh5 Qxh4 23. Nxh4 Kg7 24. hxg6 fxg6 25. Nf3 Nb6 26. Ng5 Rbe8 27. Ne2 c5 28. Rbc1 c4 29. dxc4 Nxc4 30. Nd4 Bc8 31. Rf1 Rh8 32. b3 Ne3 33. Rc7+ Kg8 34. Rg1 Rh4 35. Rgc1 Rxf4 36. Rxc8 |
| ECO B33 in 1990 play it! sigurjonsson gud defeats black's robatsch karl in 55 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. Bb3 Be7 8. Be3 a6 9. f4 d5 10. e5 Nd7 11. Qh5 Nc5 12. O-O Nxb3 13. axb3 Bc5 14. Nce2 O-O 15. Kh1 Qb6 16. c3 Bxd4 17. Nxd4 Nxd4 18. b4 a5 19. Bxd4 Qb5 20. Rf3 Qe2 21. Rg1 axb4 22. Bc5 Re8 23. cxb4 Qxb2 24. Rg3 Ra1 25. Qh6 Rxg1+ 26. Bxg1 g6 27. Rh3 Qb1 28. f5 |
| ECO B58 in 1985 play it! sigurjonsson gud defeats black's hjartarson johan in 84 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 e5 7. Nf3 h6 8. O-O Be7 9. Re1 O-O 10. h3 a6 11. Bf1 b5 12. a4 b4 13. Nd5 Nxd5 14. exd5 Na7 15. c3 bxc3 16. bxc3 Qc7 17. Ba3 Rd8 18. c4 a5 19. Rc1 Bf8 20. Nd2 Bf5 21. Nb1 Nc8 22. Nc3 Nb6 23. Nb5 Qd7 24. Be2 Rac8 25. Qb3 Rb8 26. Red1 Bg6 27. c5 dxc5 28. Bxc5 Bxc5 29. Rxc5 Qf5 30. d6 Qf4 31. Rc7 Qxa4 32. Qxa4 Nxa4 33. Na7 Nb2 34. Rd2 Nd3 35. d7 Rb1+ 36. Kh2 Nxf2 37. Rc8 Rh1+ 38. Kg3 Ne4+ 39. Kf3 Nxd2+ 40. Ke3 Kf8 41. Rxd8+ Ke7 42. Nc6+ Kd6 |
| ECO B93 in 1973 play it! sigurjonsson gud defeats black's kaufmann lawrenc in 63 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 Qc7 7. Bd3 g6 8. O-O Bg7 9. Nf3 Bg4 10. h3 Bxf3 11. Qxf3 O-O 12. g4 Nc6 13. Be3 b5 14. Rae1 Rab8 15. Qg2 Rfc8 16. f5 Qd8 17. Rf2 Ne5 18. Ref1 Rxc3 19. bxc3 Qa5 20. g5 Nfd7 21. Bd4 Qxa2 22. Kh1 Qa5 23. Rf4 Qd8 24. h4 b4 25. fxg6 fxg6 26. Qh3 bxc3 27. h5 gxh5 28. Bc4+ Kh8 29. Qxh5 Nf8 30. Rh4 Rb1 31. Rxb1 Nxc4 32. Rf1 |
| ECO B35 in 1975 play it! sigurjonsson gud defeats black's diaz joacuin c in 61 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. h3 Na5 10. f4 b6 11. e5 Nh5 12. Bd5 dxe5 13. fxe5 Ba6 14. Qf3 Rc8 15. O-O-O Rxc3 16. bxc3 Qc7 17. g4 e6 18. Bb3 Bb7 19. Qf2 Bxh1 20. Rxh1 Qxc3 21. Kb1 Bxe5 22. gxh5 b5 23. Qe1 Qc7 24. hxg6 hxg6 25. Nxb5 Qb7 26. Bd4 Bg3 27. Qf1 Nxb3 28. axb3 a6 29. Rg1 Bb8 30. Qf6 e5 31. Be3 |
| ECO B53 in 1975 play it! sigurjonsson gud defeats black's csom istvan in 61 moves | 1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 Nc6 6. Bc4 Qb6 7. Nb3 e6 8. O-O a6 9. a4 Qc7 10. a5 Be7 11. Be3 Ne5 12. Be2 Bd7 13. f4 Nc4 14. Bxc4 Qxc4 15. Qd3 Rc8 16. Bd4 O-O 17. Nd2 Qb4 18. Ra3 e5 19. Bb6 Be6 20. f5 Bc4 21. Nxc4 Qxc4 22. Rb3 d5 23. exd5 Bc5+ 24. Bxc5 Qxc5+ 25. Kh1 Rc7 26. d6 Rc6 27. Ne4 Nxe4 28. Qxe4 Rxd6 29. f6 Qxa5 30. Rh3 h6 31. Rxh6 |
| ECO B21 in 1969 play it! sigurjonsson gud defeats black's jakobsen ole in 115 moves | 1. e4 c5 2. f4 e6 3. Nf3 d5 4. Bb5+ Bd7 5. Bxd7+ Nxd7 6. exd5 exd5 7. O-O Ngf6 8. Re1+ Be7 9. Qe2 Kf8 10. d3 Bd6 11. Ne5 Qc7 12. Nc3 a6 13. Bd2 Kg8 14. Nxd7 Qxd7 15. Qf3 Qf5 16. g4 Qxg4+ 17. Qxg4 Nxg4 18. Nxd5 h5 19. Ne7+ Kh7 20. Nf5 Bf8 21. Bc3 Nh6 22. Re5 Rd8 23. Nxh6 Kxh6 24. Rae1 Bd6 25. R5e4 Rd7 26. Kf2 f6 27. Rg1 Re7 28. Kf3 Rhe8 29. h3 f5 30. Rxe7 Rxe7 31. a4 g6 32. b3 Kh7 33. Bd2 Re6 34. Be3 Kg7 35. a5 Kf7 36. Ra1 Ke7 37. Ra4 Kd7 38. Rc4 Kc6 39. b4 Kb5 40. Bxc5 Bxc5 41. Rxc5+ Kxb4 42. Re5 Rc6 43. c4 Rc5 44. Re7 Kc3 45. Ke3 Rxa5 46. Rxb7 Ra1 47. c5 Rh1 48. c6 Rxh3+ 49. Ke2 Rh2+ 50. Kf3 Rc2 51. Ke3 g5 52. fxg5 f4+ 53. Kxf4 Kxd3 54. c7 h4 55. Kg4 a5 56. g6 a4 57. g7 a3 58. Rb3+ |
| ECO B76 in 1978 play it! sigurjonsson gud defeats black's gutierrez jose a in 59 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. O-O-O Bd7 10. h4 Qb8 11. g4 b5 12. h5 b4 13. Nd5 Nxd5 14. exd5 b3 15. dxc6 bxa2 16. Qa5 Bxc6 17. Qxa2 Bxd4 18. Rxd4 Bxf3 19. Rh3 Bc6 20. hxg6 hxg6 21. g5 d5 22. Rdh4 Qe5 23. Qa6 Rfc8 24. Rh8+ Qxh8 25. Rxh8+ Kxh8 26. Bh3 e6 27. Qf1 Be8 28. Bxe6 fxe6 29. Qf8+ Kh7 30. Bd4 |
| ECO B33 in 1983 play it! sigurjonsson gud defeats black's schneider lars in 81 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. Bb3 a6 8. f4 Be7 9. Be3 O-O 10. Qe2 Nxd4 11. Bxd4 b5 12. O-O-O b4 13. Na4 e5 14. Bxe5 Bg4 15. Qc4 Rc8 16. Qxa6 Bxd1 17. Rxd1 Nxe4 18. Qb7 Qc7 19. Qxe4 dxe5 20. fxe5 Rcd8 21. Rf1 Kh8 22. c3 f6 23. Bc2 f5 24. Rxf5 Rxf5 25. Qxf5 g6 26. Qe4 Qa7 27. Qe1 Bg5+ 28. Kb1 Rd2 29. cxb4 Qd4 30. a3 Rxg2 31. Qc3 Qg1+ 32. Ka2 Qxh2 33. e6+ Kg8 34. e7 Kf7 35. Be4 Re2 36. Bd3 Rxe7 37. Bc4+ Ke8 38. Qh8+ Kd7 39. Nc5+ Kc7 40. Na6+ Kb6 41. Qd4+ |