| ECO A05 in 1975 play it! sigurjonsson gud defeats black's fuller maxwell l in 81 moves | 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 d6 6. d4 c6 7. Nc3 Qa5 8. h3 e5 9. e4 Nbd7 10. Re1 b5 11. cxb5 cxb5 12. a3 b4 13. Na4 bxa3 14. Rxa3 Qc7 15. Rc3 Qb8 16. b3 Bb7 17. d5 Nb6 18. Ba3 Rc8 19. Rxc8+ Bxc8 20. Bf1 Bd7 21. Nd2 Bf8 22. Nb2 a5 23. Nbc4 a4 24. b4 Nxc4 25. Nxc4 Ne8 26. Qd2 Nc7 27. Qe3 Nb5 28. Nb6 Nxa3 29. Nxd7 Qxb4 30. Rc1 Be7 31. Rc6 Nb5 32. Nb6 Rb8 33. Nd7 Ra8 34. Nb6 Rd8 35. Nc8 Bf8 36. Qb6 a3 37. Qxd8 a2 38. Ne7+ Kg7 39. Nf5+ gxf5 40. Qg5+ Kh8 41. Rc8 |
| ECO A04 in 1982 play it! sigurjonsson gud defeats black's karlsson lars in 79 moves | 1. Nf3 c5 2. e4 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. Nxd5 cxd5 15. Qxd5 Qxd5 16. Rxd5 Be6 17. Rd6 Bf8 18. Rc6 Bd5 19. Rc7 Bh6+ 20. Kb1 e4 21. fxe4 Rxe4 22. Bd3 Rg4 23. b3 a5 24. Rd1 Bxg2 25. Bc4 Rxc4 26. bxc4 Bf3 27. Rdd7 Rb8+ 28. Ka1 Be4 29. Rxf7 Bxc2 30. a3 g5 31. Bd4 Bg6 32. Rb7 Rd8 33. Rfd7 Re8 34. c5 Re1+ 35. Ka2 Re2+ 36. Kb3 Bf8 37. Rd8 Be8 38. c6 a4+ 39. Kc3 Bg6 40. Rg7+ |
| ECO A05 in 1975 play it! sigurjonsson gud defeats black's horner jeff in 130 moves | 1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 O-O 5. Bg2 d6 6. d4 c6 7. Nbd2 Bf5 8. Nh4 Bd7 9. O-O Qc8 10. Re1 Bh3 11. Bh1 c5 12. d5 e5 13. dxe6 fxe6 14. Nhf3 Nc6 15. c4 e5 16. Ng5 Bh6 17. Nde4 Qf5 18. Nxh3 Qxh3 19. Bg2 Qf5 20. Rf1 Rad8 21. e3 Nxe4 22. Qd5+ Kh8 23. Bxe4 Qf7 24. Rad1 Qe7 25. Qd3 Bg7 26. Rd2 Rd7 27. Qe2 Nd8 28. Qg4 Nf7 29. h4 Nh6 30. Qh3 Rdd8 31. Rfd1 b6 32. Bd5 Nf5 33. h5 g5 34. Kg2 Qf6 35. a3 a5 36. Bc3 Qe7 37. b4 axb4 38. axb4 e4 39. Bxg7+ Qxg7 40. Qg4 cxb4 41. Bxe4 Nh6 42. Qe2 Qe7 43. Bd5 Rf6 44. Ra2 Rdf8 45. Ra8 Rxa8 46. Bxa8 Nf7 47. Rb1 Ne5 48. Bd5 g4 49. Rxb4 Qe8 50. Rxb6 Qxh5 51. Qb2 Kg7 52. Rb7+ Kh6 53. Be4 Rg6 54. Kg1 Nf3+ 55. Bxf3 gxf3 56. Qh8 Rxg3+ 57. fxg3 f2+ 58. Kxf2 Qh2+ 59. Kf1 Qh1+ 60. Ke2 Qg2+ 61. Kd3 Qxb7 62. Qf6+ Kh5 63. Qh4+ Kg6 64. Qe4+ Qxe4+ 65. Kxe4 Kf6 |
| ECO A04 in 1981 play it! sigurjonsson gud defeats black's huisl wolfgang in 100 moves | 1. Nf3 f5 2. g3 Nf6 3. Bg2 d6 4. d4 e6 5. O-O Be7 6. b3 O-O 7. Bb2 a5 8. c4 Na6 9. Nc3 c6 10. a3 Bd7 11. Qc2 b5 12. Nd2 d5 13. e3 Rc8 14. Qd3 Qb6 15. Rab1 Be8 16. Rfc1 Rb8 17. Ne2 g5 18. cxb5 cxb5 19. Nf3 Nd7 20. Qc2 Bh5 21. Qc6 Qxc6 22. Rxc6 Rb6 23. Rbc1 Rfb8 24. Kf1 Rxc6 25. Rxc6 Rb6 26. Rc8+ Kf7 27. Nc1 Nab8 28. Nd3 Bxf3 29. Bxf3 g4 30. Be2 b4 31. axb4 axb4 32. Ke1 Rc6 33. Rxc6 Nxc6 34. Kd1 Bd6 35. Bc1 Ke7 36. Bd2 Kd8 37. Ne1 Kc7 38. Bb5 Na7 39. Ba4 Nb8 40. Be8 Kd8 41. Bh5 Ke7 42. Nd3 Nbc6 43. f3 gxf3 44. Bxf3 Nb5 45. Bh5 Nc7 46. Be1 Ne8 47. Be2 Nc7 48. h3 Kf6 49. g4 fxg4 50. Bxg4 Kg5 |
| ECO A04 in 1981 play it! sigurjonsson gud defeats black's reshevsky samuel in 93 moves | 1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Nb3 Nf6 7. Nc3 O-O 8. e4 d6 9. h3 a5 10. a4 Nb4 11. O-O Nd7 12. Nd5 Nxd5 13. exd5 Nb6 14. Nd4 Qc7 15. Nb5 Qd8 16. Ra2 Bd7 17. Qe2 Rc8 18. b3 Rc5 19. Rd1 Bxb5 20. axb5 Bc3 21. Be3 Rc8 22. h4 Nd7 23. Bh6 Bg7 24. Bg5 Re8 25. Bh3 b6 26. Re1 Bc3 27. Rd1 Rc7 28. Ra4 Bg7 29. h5 Nf6 30. hxg6 hxg6 31. Be3 Nd7 32. Bxd7 Qxd7 33. Bxb6 Rb7 34. Bxa5 Rxb5 35. Bb4 Qb7 36. Bxd6 Rxd5 37. Rxd5 Qxd5 38. Bf4 e5 39. Be3 e4 40. Qd2 Qf5 41. Ra5 Qg4 42. Qd5 Be5 43. Ra7 Re6 44. Qd8+ Kg7 45. Qd7 Qf5 46. c4 g5 47. Ra6 |
| ECO A05 in 1982 play it! sigurjonsson gud defeats black's grunfeld yehuda in 75 moves | 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. d4 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4 11. Qc1 b4 12. Bg5 Nbd7 13. Nbd2 Bd5 14. Qc2 c5 15. e4 Bb7 16. e5 Nd5 17. Bxe7 Qxe7 18. Ne4 cxd4 19. Rad1 Rfc8 20. Qb1 Nc3 21. bxc3 dxc3 22. Qc2 Bd5 23. Rfe1 Rab8 24. Nd6 Rc5 25. Nd4 Bxg2 26. Kxg2 Nxe5 27. Nb3 Rc6 28. Rxe5 Rxd6 29. Rxd6 Qxd6 30. Qe4 g6 31. Rc5 Qd8 32. h4 h5 33. Nd4 Qe7 34. Nc6 Qb7 35. Qe5 Qb6 36. Ne7+ Kh7 37. Qf6 Rf8 38. Rc8 |
| ECO A05 in 1968 play it! sigurjonsson gud defeats black's prameshuber alex in 95 moves | 1. Nf3 Nf6 2. g3 e6 3. Bg2 d5 4. O-O Be7 5. c4 O-O 6. b3 Nbd7 7. Bb2 b6 8. Nc3 Bb7 9. e3 c5 10. Qe2 Rc8 11. cxd5 Nxd5 12. Nxd5 Bxd5 13. d4 Be4 14. Rac1 Bf6 15. Rfd1 Qe7 16. Ne5 Bxg2 17. Kxg2 cxd4 18. exd4 Qd6 19. Qe4 Rxc1 20. Rxc1 Bxe5 21. dxe5 Qd2 22. Rc2 Nc5 23. Qxh7+ Kxh7 24. Rxd2 Kg6 25. f4 Rc8 26. Kf3 Rc7 27. h4 Na6 28. a3 Nc5 29. b4 Na4 30. Bd4 Rc1 31. g4 Nc3 32. h5+ Kh7 33. Be3 Rf1+ 34. Kg2 Ra1 35. Bd4 Rxa3 36. Bxc3 Rxc3 37. Rd7 Rc4 38. Rxf7 Rxb4 39. Kf3 a5 40. Re7 Rb3+ 41. Ke4 Rb4+ 42. Kf3 a4 43. g5 Kg8 44. g6 Kf8 45. Rf7+ Kg8 46. Ra7 Kf8 47. Ra8+ Ke7 48. h6 |
| ECO A05 in 1981 play it! sigurjonsson gud defeats black's wells peter in 69 moves | 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. O-O e6 5. d3 Be7 6. e4 d6 7. Ne1 d5 8. e5 Nfd7 9. f4 c5 10. c4 Nc6 11. cxd5 exd5 12. Nc3 d4 13. Nd5 O-O 14. Nf3 Kh8 15. Nxe7 Qxe7 16. Ng5 Nd8 17. Bxb7 Nxb7 18. Qh5 h6 19. f5 Kg8 20. f6 Qxe5 21. fxg7 Qxg7 22. Ne4 f5 23. Bxh6 Qf7 24. Qg5+ Kh8 25. Bxf8 Rxf8 26. Rf4 Qg7 27. Rxf5 Rxf5 28. Qxf5 c4 29. Rf1 Nbc5 30. Nxc5 bxc5 31. Qh5+ Kg8 32. Qd5+ Kh8 33. Rf7 Qe5 34. Qxd7 Qe3+ 35. Kg2 |
| ECO A05 in 1983 play it! sigurjonsson gud defeats black's ziska bogi in 69 moves | 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 d6 6. d4 Nbd7 7. Nc3 c6 8. e4 e5 9. b3 Re8 10. Re1 a5 11. h3 exd4 12. Nxd4 Nc5 13. Bf4 Nh5 14. Be3 Be5 15. Qd2 Qe7 16. Rad1 Bh8 17. Nde2 Nf6 18. Qxd6 Qxd6 19. Rxd6 Na6 20. Red1 Be6 21. e5 Nh5 22. f4 Ng7 23. g4 h5 24. Ne4 hxg4 25. Nf6+ Kf8 26. hxg4 Reb8 27. R6d2 Ke7 28. Bb6 Ne8 29. g5 a4 30. Nd4 Bc8 31. b4 Bxf6 32. gxf6+ Kf8 33. Bf3 Kg8 34. Rh2 Nxb4 35. Kg2 |
| ECO A04 in 1969 play it! sigurjonsson gud defeats black's gelfer israel in 49 moves | 1. Nf3 g6 2. g3 Bg7 3. Bg2 c5 4. O-O Nc6 5. e4 e6 6. Re1 Nge7 7. c3 O-O 8. d4 cxd4 9. cxd4 d5 10. e5 Bd7 11. Nc3 Qb6 12. Na4 Qc7 13. Bg5 Rfc8 14. Rc1 Bf8 15. Nc5 Be8 16. Qd2 Qb6 17. Bh3 Nd8 18. Bh6 Bg7 19. Qg5 Nf5 20. Bxg7 Kxg7 21. Qf6+ Kg8 22. Bxf5 exf5 23. e6 fxe6 24. Ng5 e5 25. Nce6 |
| ECO A07 in 1968 play it! sigurjonsson gud defeats black's donner jan in 83 moves | 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. O-O e5 5. d3 Ne7 6. e4 O-O 7. Nbd2 c5 8. c3 Nbc6 9. a3 h6 10. b4 c4 11. dxc4 dxe4 12. Nxe4 f5 13. Nd6 e4 14. Ne1 Bxc3 15. Bxh6 Be6 16. Bxf8 Bxa1 17. Qxa1 Qxf8 18. Nc2 Nc8 19. Nxb7 Bxc4 20. Rc1 Nb6 21. Ne3 Bb5 22. Rc5 Ba4 23. Na5 Nxa5 24. Rxa5 Bb3 25. Qe5 Qf7 26. h4 Nc4 27. Nxc4 Bxc4 28. h5 Rd8 29. hxg6 Qxg6 30. Qxf5 Qxf5 31. Rxf5 Rd1+ 32. Kh2 Bd3 33. Re5 Rd2 34. Bxe4 Bxe4 35. Rxe4 Rxf2+ 36. Kh3 Ra2 37. Re3 a6 38. Kg4 Kf7 39. Kg5 Ra1 40. g4 Ra2 41. Rc3 Ra1 42. Kf5 |
| ECO A05 in 1968 play it! sigurjonsson gud defeats black's german eugenio in 95 moves | 1. Nf3 Nf6 2. g3 g6 3. b4 c6 4. Bb2 a5 5. a3 axb4 6. axb4 Rxa1 7. Bxa1 Qb6 8. c3 Bg7 9. Bg2 O-O 10. O-O Re8 11. d3 d5 12. Nbd2 Nbd7 13. Qb3 e5 14. c4 h6 15. cxd5 cxd5 16. Rc1 Qd6 17. d4 e4 18. Ne5 Qe6 19. f3 exf3 20. exf3 Qb6 21. Kh1 Nb8 22. Ne4 Nc6 23. Nxf6+ Bxf6 24. Qxd5 Be6 25. Qc5 Qxb4 26. Nxc6 Qxc5 27. dxc5 Bxa1 28. Rxa1 bxc6 29. f4 Rc8 30. Rd1 Rc7 31. Rd6 Bd7 32. Be4 Kg7 33. Kg2 Be8 34. Kf3 f5 35. Bd3 Bf7 36. Ke3 h5 37. Kd4 Bd5 38. Bc4 Bf3 39. Ke5 Re7+ 40. Re6 Rd7 41. Rd6 Re7+ 42. Be6 h4 43. Rd7 Rxd7 44. Bxd7 hxg3 45. hxg3 Kh6 46. Kd6 Kh5 47. Bxc6 Be4 48. Bxe4 |
| ECO A05 in 1968 play it! sigurjonsson gud defeats black's garcia martinez in 81 moves | 1. Nf3 Nf6 2. g3 g6 3. b4 a5 4. b5 c6 5. Na3 Bg7 6. Bb2 O-O 7. Bg2 d5 8. c4 Nbd7 9. bxc6 bxc6 10. Rb1 Re8 11. Qa4 e5 12. Qxc6 Ra6 13. Qa4 Nc5 14. Qd1 e4 15. Nd4 Ng4 16. O-O dxc4 17. Nab5 Bb7 18. Qc1 Bd5 19. Nc2 Bxb2 20. Qxb2 Rb6 21. Qc3 a4 22. h3 Qd7 23. hxg4 Rxb5 24. Ne3 Reb8 25. Rxb5 Rxb5 26. g5 Be6 27. Rc1 Nb3 28. axb3 cxb3 29. Qb2 Qe7 30. Ra1 Ra5 31. Ra3 Qxg5 32. Bxe4 f5 33. Bd5 Bxd5 34. Nxd5 Rxd5 35. Rxa4 Qxd2 36. Ra8+ Kf7 37. Qh8 Rd7 38. Qxh7+ Kf6 39. Qh8+ Ke6 40. Re8+ Kd5 41. Qe5+ |
| ECO A05 in 1969 play it! sigurjonsson gud defeats black's kristinsson jon in 51 moves | 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 O-O 5. Bg2 d6 6. O-O e5 7. d3 c6 8. Nbd2 Qe7 9. c4 Bg4 10. Qc2 Nbd7 11. a4 Rfc8 12. e3 d5 13. Rfc1 Qxb4 14. Nxe5 Nxe5 15. Bxe5 Qe7 16. Qb2 dxc4 17. Nxc4 Rd8 18. Rab1 Rd7 19. Na5 Ne8 20. Bxg7 Nxg7 21. Nxb7 Rb8 22. Bxc6 Rxd3 23. Qc2 Ra3 24. Nc5 Rxb1 25. Qxb1 Rxe3 26. Ne4 |
| ECO A05 in 1979 play it! sigurjonsson gud defeats black's bradford joesph in 91 moves | 1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. O-O Nbd7 5. d3 b6 6. b3 Bb7 7. Bb2 Be7 8. c4 O-O 9. Nc3 Re8 10. Qc2 e5 11. cxd5 Nxd5 12. Nxd5 Bxd5 13. e4 Bb7 14. Nxe5 c5 15. Ng4 Nf8 16. f4 Ne6 17. Rad1 Nd4 18. Qf2 a5 19. Bxd4 Qxd4 20. Qxd4 cxd4 21. e5 Bxg2 22. Kxg2 Rec8 23. Kf3 h5 24. Nf2 Rc2 25. a4 Rac8 26. h3 R8c3 27. Rb1 f5 28. exf6 gxf6 29. Rfe1 Ba3 30. f5 Bb2 31. Re6 Rxb3 32. Rxf6 b5 33. axb5 Rc1 34. Rxc1 Bxc1 35. Ra6 Rxb5 36. g4 Re5 37. Ne4 hxg4+ 38. hxg4 Kg7 39. Rc6 Ba3 40. Kf4 Rb5 41. Rc7+ Kf8 42. g5 Rb1 43. g6 Bc1+ 44. Kg4 Bh6 45. Nf6 Rg1+ 46. Kf3 |
| ECO A05 in 1974 play it! sigurjonsson gud defeats black's vinje gulbrandse in 67 moves | 1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 O-O 5. Bg2 d5 6. c4 Nc6 7. d3 d4 8. b4 Ng4 9. b5 Nce5 10. Nxe5 Nxe5 11. Nd2 c5 12. bxc6 Nxc6 13. O-O Qc7 14. Rb1 b6 15. Qa4 Bb7 16. Nb3 a6 17. Rfc1 h5 18. Rc2 Be5 19. Bc1 h4 20. Nd2 hxg3 21. hxg3 Nd8 22. Nf3 Bd6 23. Bh6 Ne6 24. Qb3 Bc5 25. Bxf8 Rxf8 26. Nd2 Bxg2 27. Kxg2 f5 28. Rcc1 Qc6+ 29. f3 Qd6 30. Rh1 Qe5 31. Qd1 Ng7 32. f4 Qf6 33. Nf3 Qc6 34. Kf2 |
| ECO A05 in 1981 play it! sigurjonsson gud defeats black's tisdall jonathan in 55 moves | 1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. d4 Bb4+ 6. Bd2 a5 7. Nc3 O-O 8. O-O d6 9. d5 Bxc3 10. Bxc3 exd5 11. Nh4 Ne4 12. Rc1 Nxc3 13. Rxc3 c6 14. cxd5 c5 15. e4 Na6 16. f4 Nc7 17. Qh5 Nb5 18. Re3 Nd4 19. g4 g6 20. Qh6 Qf6 21. Nf5 Nxf5 22. gxf5 Qg7 23. Qh4 f6 24. Rg3 Rae8 25. Kh1 b5 26. Bf3 Kf7 27. fxg6+ hxg6 28. Rxg6 |
| ECO A05 in 1973 play it! sigurjonsson gud defeats black's karklins andrew in 75 moves | 1. Nf3 Nf6 2. g3 d6 3. Bg2 e5 4. O-O Be7 5. c4 O-O 6. Nc3 c6 7. d3 a5 8. a3 Re8 9. Rb1 Bf8 10. b4 axb4 11. axb4 d5 12. cxd5 Nxd5 13. Nxd5 cxd5 14. Qb3 f6 15. Be3 Be6 16. Bc5 d4 17. Qc2 Ra2 18. Rb2 Ra3 19. Nd2 b6 20. Bxf8 Rxf8 21. Nc4 Ra7 22. Rc1 Rff7 23. Qd2 Rfc7 24. Rbc2 Na6 25. h4 b5 26. Na3 Rxc2 27. Rxc2 Nc7 28. Qc1 Nd5 29. Nxb5 Ra4 30. Rc6 Rxb4 31. Rd6 Qe8 32. Bxd5 Bxd5 33. Rxd5 Rxb5 34. Rd6 Qb8 35. Qc4+ Kf8 36. Rc6 Rb1+ 37. Kh2 Qb4 38. Qe6 |
| ECO A05 in 1981 play it! sigurjonsson gud defeats black's johannsson ingi in 63 moves | 1. Nf3 Nf6 2. g3 e6 3. Bg2 Be7 4. O-O d5 5. d4 O-O 6. c4 Nbd7 7. Qc2 c6 8. Rd1 Ne4 9. Nbd2 f5 10. b3 Qe8 11. Bb2 Qh5 12. e3 Ndf6 13. Ne5 Nxf2 14. Kxf2 Qxh2 15. Rg1 Ng4+ 16. Kf3 Bg5 17. Rae1 Nxe3 18. Rxe3 f4 19. Ree1 fxg3+ 20. Ke2 Rf2+ 21. Kd1 Rxd2+ 22. Qxd2 Bxd2 23. Kxd2 b6 24. Nxc6 Qh6+ 25. Kc2 Bb7 26. Ne7+ Kh8 27. Rgf1 Re8 28. cxd5 Qh2 29. Ng6+ Kg8 30. Nf4 Rc8+ 31. Kb1 exd5 32. Rh1 |
| ECO A05 in 1981 play it! sigurjonsson gud defeats black's jonsson johann t in 89 moves | 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. c4 c5 5. O-O Nc6 6. d4 cxd4 7. Nxd4 Nxd4 8. Qxd4 d6 9. Nc3 O-O 10. Bg5 Be6 11. Qh4 Rc8 12. b3 Rc5 13. Rac1 h6 14. Bxf6 Bxf6 15. Qe4 Bxc3 16. Rxc3 b5 17. Rfc1 bxc4 18. bxc4 Qc7 19. Qe3 Bxc4 20. Qxh6 Bxa2 21. Rxc5 dxc5 22. Qg5 Rc8 23. h4 Qd6 24. h5 Qf6 25. Rxc5 Qxg5 26. Rxg5 Bc4 27. hxg6 f6 28. Rh5 Rc7 29. e3 a6 30. Be4 Ra7 31. Rc5 Bb3 32. Ra5 Bc4 33. f4 Kg7 34. Kf2 Bb5 35. g4 Rc7 36. Ra1 Rc8 37. f5 Rh8 38. Rc1 Rd8 39. Rc5 Rd2+ 40. Kf3 Be2+ 41. Kf4 Rd7 42. Bd5 e5+ 43. Kg3 Kh6 44. Be6 Rg7 45. Rc2 |