| ECO C05 in 1967 play it! sigurjonsson gud defeats black's skalkotas nikola in 115 moves | 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 Qb6 8. g3 cxd4 9. cxd4 Bb4+ 10. Kf2 f6 11. Kg2 Be7 12. Bd3 Nf8 13. Ne2 Bd7 14. Re1 f5 15. h3 Rg8 16. g4 g6 17. Kh2 O-O-O 18. Rg1 h6 19. Bd2 Nh7 20. b4 Kb8 21. Rb1 Rc8 22. b5 Na5 23. gxf5 exf5 24. Nc3 Qe6 25. Nxd5 Qxd5 26. Bxa5 Qxa2+ 27. Qd2 Qxd2+ 28. Bxd2 Be6 29. Rg3 Bd5 30. Rc1 Be4 31. Bxe4 fxe4 32. Ng1 Bh4 33. Re3 Rxc1 34. Bxc1 Rc8 35. Ne2 Ng5 36. fxg5 Bxg5 37. Rxe4 Bxc1 38. d5 Ba3 39. Re3 Bc5 40. Rc3 Bb4 41. Re3 Re8 42. Kg2 Bd6 43. e6 Kc7 44. Nc3 Be7 45. Ne4 Rd8 46. Rc3+ Kb6 47. Rd3 Kc7 48. Kf3 a5 49. bxa6 bxa6 50. d6+ Rxd6 51. Nxd6 Bxd6 52. Ke4 a5 53. Kd5 Bb4 54. Rf3 g5 55. Rf7+ Kd8 56. Rh7 Bf8 57. Ke5 Bb4 58. Kf6 |
| ECO C00 in 1970 play it! sigurjonsson gud defeats black's slujssar in 53 moves | 1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 c5 5. g3 Nc6 6. Bg2 dxe4 7. dxe4 e5 8. O-O Bg4 9. h3 Bh5 10. c3 Qc7 11. Qc2 Rd8 12. Nc4 Be7 13. Nh4 b5 14. Ne3 Bg6 15. a4 b4 16. Nxg6 hxg6 17. Nd5 Qb7 18. Be3 Bd6 19. Rfd1 Ne7 20. Nxe7 Qxe7 21. cxb4 cxb4 22. Qc6+ Rd7 23. Bxa7 O-O 24. Bb6 Qe6 25. a5 Be7 26. Qxe6 fxe6 27. a6 |
| ECO C00 in 1987 play it! sigurjonsson gud defeats black's hansen in 67 moves | 1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 b6 5. g3 dxe4 6. dxe4 Bb7 7. Qe2 Na6 8. e5 Nb4 9. exf6 Nxc2+ 10. Kd1 Nxa1 11. Qb5+ c6 12. Qa4 Qxf6 13. Ba6 Rd8 14. Ne5 Ba8 15. f4 Bd6 16. Re1 O-O 17. Bd3 Bxe5 18. fxe5 Qh6 19. Qe4 c5 20. Qe2 Qh3 21. Rf1 Rd4 22. Bb1 Rfd8 23. Ke1 Bg2 24. Rf2 Bc6 25. b3 g6 26. Qe3 R4d7 27. Bb2 Bb5 28. Qf3 f5 29. exf6 Kf7 30. Bxa1 Bd3 31. Bxd3 Rxd3 32. Qf4 Qh5 33. Qh4 Qxh4 34. gxh4 |
| ECO C03 in 1977 play it! sigurjonsson gud defeats black's ornstein axel o in 88 moves | 1. e4 e6 2. d4 d5 3. Nd2 Be7 4. Ngf3 Nf6 5. Bd3 c5 6. e5 Nfd7 7. c3 Nc6 8. O-O Qb6 9. dxc5 Qc7 10. Nb3 Ncxe5 11. Nxe5 Qxe5 12. Be3 O-O 13. Qc2 Nf6 14. Bd4 Qf4 15. Rae1 Ng4 16. g3 Qh6 17. f3 Nf6 18. Qg2 Nd7 19. f4 b6 20. g4 Nxc5 21. g5 Qh5 22. Nxc5 Bxc5 23. Bxc5 bxc5 24. Re3 f5 25. gxf6 Rxf6 26. Rh3 Qf7 27. Rxh7 e5 28. fxe5 Rxf1+ 29. Qxf1 Qxf1+ 30. Kxf1 Rb8 31. b3 Ba6 32. Rh3 c4 33. Bh7+ Kf7 34. b4 g6 35. Rf3+ Kg7 36. Bxg6 Kxg6 37. Rf6+ Kg5 38. Rxa6 Kf5 39. e6 Re8 40. Ke2 Ke4 41. h4 d4 42. cxd4 Kxd4 43. Kd2 c3+ 44. Kc2 Rg8 |
| ECO C05 in 1970 play it! sigurjonsson gud defeats black's hecht hansjoachi in 95 moves | 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 cxd4 8. cxd4 Nb6 9. Bd3 Bd7 10. a3 a5 11. Nh3 a4 12. O-O h6 13. Qe1 Qc7 14. Bd2 Nc4 15. Bc3 b5 16. f5 O-O-O 17. Nf4 Be7 18. fxe6 Bxe6 19. Nh4 Qd7 20. Nxe6 Bxh4 21. Qxh4 fxe6 22. Rf3 Rdf8 23. Raf1 Rxf3 24. Rxf3 Re8 25. Bg6 Re7 26. Qf2 Kb7 27. Rf8 Qc7 28. Rg8 Rd7 29. Qf8 Rd8 30. Qxg7 Rd7 31. Qf8 Rd8 32. Be8 Ka6 33. Qc5 Rc8 34. Bf7 Rxg8 35. Bxg8 Qd7 36. Bb4 Kb7 37. Qf8 Nxd4 38. Bc5 Nc6 39. Qxh6 N6xe5 40. Qxe6 Qxe6 41. Bxe6 Kc6 42. Bd4 Nd3 43. h4 Ndxb2 44. h5 b4 45. h6 bxa3 46. h7 a2 47. h8=Q a1=Q+ 48. Kh2 |
| ECO C19 in 1977 play it! sigurjonsson gud defeats black's watson john in 61 moves | 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Nf3 Bd7 8. a4 Qa5 9. Bd2 Nbc6 10. g3 O-O-O 11. Bh3 Rdf8 12. O-O Qc7 13. Qe2 Ng6 14. Bc1 f6 15. Ba3 fxe5 16. Bxc5 Rf6 17. a5 e4 18. Nd2 h5 19. c4 h4 20. Bg4 Kb8 21. Rfb1 hxg3 22. fxg3 e5 23. Bxd7 Qxd7 24. cxd5 e3 25. dxc6 Qxc6 26. Qxe3 Nf4 27. Bxa7+ Ka8 28. d5 Qd7 29. Qe4 Nh3+ 30. Kh1 Nf2+ 31. Bxf2 |
| ECO C05 in 1972 play it! sigurjonsson gud defeats black's palsson jon in 81 moves | 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 Qb6 8. g3 cxd4 9. cxd4 Bb4+ 10. Kf2 f6 11. Kg2 O-O 12. Bd3 Be7 13. Ne2 Re8 14. b3 Nf8 15. a3 Bd7 16. Bd2 a5 17. Nc3 Na7 18. Na4 Qd8 19. Qe2 b6 20. Rhc1 Qb8 21. h3 f5 22. g4 g6 23. gxf5 exf5 24. h4 Ne6 25. h5 Kf7 26. Nc3 Bc6 27. Rh1 Rg8 28. hxg6+ hxg6 29. Rh7+ Rg7 30. Rh6 Qb7 31. Kf2 Rag8 32. a4 Qd7 33. Ke3 Bb7 34. Qh2 Nc6 35. Nb5 Kf8 36. Rg1 Ncd8 37. Nh4 Kf7 38. Nxg6 Rxg6 39. Qh5 Nf8 40. Bxf5 Qc6 41. Rc1 |
| ECO C10 in 1984 play it! sigurjonsson gud defeats black's rogg x in 57 moves | 1. e4 e6 2. d4 d5 3. Nc3 f5 4. exf5 exf5 5. Qh5+ g6 6. Qe2+ Be7 7. Bg5 Kf7 8. Bxe7 Nxe7 9. O-O-O Re8 10. Qf3 c6 11. h4 Nd7 12. Nh3 Nf6 13. Bd3 Qd6 14. Ne2 Bd7 15. Nef4 Ne4 16. h5 g5 17. Bxe4 g4 18. Ng5+ Kg8 19. Qg3 fxe4 20. f3 Nf5 21. Qxg4 Ne3 22. Qg3 Nf5 23. Qh2 Qf6 24. fxe4 dxe4 25. Ngh3 Nxd4 26. Qg3+ Kh8 27. Qg5 Qd6 28. c3 c5 29. cxd4 |
| ECO C16 in 1978 play it! sigurjonsson gud defeats black's matsumoto y in 51 moves | 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Qd7 5. Bd2 b6 6. Nf3 Ne7 7. h4 Ba6 8. Bxa6 Nxa6 9. h5 h6 10. Qe2 Nb8 11. O-O-O c5 12. Nb5 c4 13. Bxb4 Qxb5 14. Bxe7 Kxe7 15. Nh4 Qa4 16. Rh3 Nc6 17. Ra3 Qb5 18. f4 Nb4 19. f5 Rhc8 20. Kb1 a6 21. fxe6 fxe6 22. Rf1 c3 23. Ng6+ Kd7 24. Rf7+ Ke8 25. Rf8+ Kd7 26. Qxb5+ |
| ECO B14 in 1976 play it! sigurjonsson gud defeats black's bohm hans in 83 moves | 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. cxd5 Nxd5 8. Bd3 Nc6 9. O-O O-O 10. Re1 Nf6 11. a3 b6 12. Bc2 Bb7 13. Qd3 g6 14. Bh6 Re8 15. Rad1 Bf8 16. Bg5 Be7 17. Ba4 Rc8 18. Ne5 Nd5 19. Bxe7 Rxe7 20. Nxd5 Qxd5 21. Qg3 Nxe5 22. dxe5 Qc4 23. Qg5 Qc7 24. h4 h5 25. Rc1 Qd8 26. Rxc8 Bxc8 27. Rd1 Qc7 28. Rc1 Qd8 29. Rd1 Qc7 30. Bc6 Ba6 31. b3 Be2 32. Rd6 Bg4 33. b4 a6 34. a4 Bf5 35. g3 Kg7 36. b5 axb5 37. axb5 Kg8 38. Kg2 Bg4 39. Kh2 Bf5 40. Kg2 Bg4 41. Rd4 Kh7 42. Qf6 |
| ECO B15 in 1974 play it! sigurjonsson gud defeats black's gurgenidze bukhu in 51 moves | 1. e4 c6 2. d4 d5 3. Nc3 g6 4. h3 Nf6 5. e5 Nh5 6. Be2 Ng7 7. Nf3 h5 8. Bf4 Bf5 9. Qd2 Ne6 10. Be3 h4 11. O-O-O Nd7 12. g4 hxg3 13. fxg3 Rxh3 14. Rxh3 Bxh3 15. Nh4 g5 16. Bxg5 Nxg5 17. Qxg5 Qb6 18. g4 c5 19. Kb1 cxd4 20. Nxd5 Qc5 21. e6 O-O-O 22. exd7+ Rxd7 23. Qg8 Rd8 24. Nf4 d3 25. Bxd3 Qe3 26. Qxf7 |
| ECO B10 in 1970 play it! sigurjonsson gud defeats black's addison william in 127 moves | 1. e4 c6 2. c4 d5 3. exd5 cxd5 4. cxd5 Nf6 5. Nc3 Nxd5 6. Bc4 Nb4 7. Nf3 Bf5 8. O-O Bd3 9. Qb3 Bxc4 10. Qxc4 N8c6 11. d4 e6 12. Bg5 Qd7 13. Rae1 Na5 14. Qe2 Nac6 15. Qe4 Be7 16. Bxe7 Nxe7 17. Ne5 Qc8 18. Nb5 O-O 19. Nd6 Qc7 20. Nexf7 Rxf7 21. Nxf7 Kxf7 22. Qxe6+ Kf8 23. Re3 Nbd5 24. Rf3+ Nf6 25. Re1 Re8 26. Rxf6+ gxf6 27. Qxf6+ Kg8 28. Qe6+ Kf8 29. d5 Qc8 30. Qf6+ Kg8 31. Qe5 Kf7 32. d6 Nf5 33. Qd5+ Kf6 34. Rd1 Qe6 35. Qd2 h5 36. h4 Nxh4 37. Qh6+ Ng6 38. Qxh5 Nf4 39. Qf3 Kg5 40. d7 Rd8 41. g3 Nh3+ 42. Kg2 Rxd7 43. Rxd7 Qxd7 44. Qe4 Kf6 45. f4 Qg4 46. Kh2 b6 47. a3 Kg7 48. Qg2 Ng5 49. fxg5 Qh5+ 50. Kg1 Qxg5 51. Qb7+ Kf6 52. Qc6+ Ke7 53. Qc3 Kd7 54. Kf2 Qf5+ 55. Ke2 Qe4+ 56. Kd2 Qg2+ 57. Kc1 Qg1+ 58. Kc2 a5 59. Qd3+ Kc6 60. Qc4+ Kb7 61. g4 Qg2+ 62. Kb1 Qg1+ 63. Ka2 Ka7 64. Qg8 |
| ECO B12 in 1972 play it! sigurjonsson gud defeats black's solmundarson mag in 78 moves | 1. e4 c6 2. d4 d5 3. Nd2 g6 4. h3 Bg7 5. Ngf3 Nf6 6. Bd3 dxe4 7. Nxe4 Nxe4 8. Bxe4 O-O 9. O-O Nd7 10. Re1 Qc7 11. c4 e5 12. d5 cxd5 13. cxd5 Qd6 14. Be3 Nf6 15. Nd2 Rd8 16. Bg5 h6 17. Nc4 Qa6 18. Bxf6 Qxf6 19. Bf3 Qf4 20. Re4 Qg5 21. h4 Qe7 22. d6 Qf8 23. Re3 Be6 24. Bd5 Bxd5 25. Qxd5 Rd7 26. h5 g5 27. Rd1 Rad8 28. Red3 Kh7 29. Rf3 f6 30. Qe4+ Kg8 31. a4 Qe8 32. Qg4 Rc8 33. b3 Rc5 34. Rfd3 Qf7 35. Ne3 Rc6 36. Nf5 Kh8 37. Ne7 f5 38. Nxf5 Qf6 39. Nxh6 Kh7 |
| ECO B12 in 1983 play it! sigurjonsson gud defeats black's ziska s in 57 moves | 1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h6 5. g4 Bd7 6. h5 e6 7. f4 Be7 8. Nf3 c5 9. c3 Nc6 10. Kf2 Qb6 11. Kg3 cxd4 12. cxd4 Rc8 13. Rh2 Na5 14. b3 Bb5 15. Bb2 Bxf1 16. Qxf1 Bb4 17. Qd3 a6 18. f5 Qb5 19. Qxb5+ axb5 20. Na3 Bxa3 21. Bxa3 Ra8 22. fxe6 fxe6 23. Nh4 g5 24. Ng6 Rh7 25. Rf1 Rf7 26. Rxf7 Kxf7 27. Rf2+ Kg7 28. Bf8+ Rxf8 29. Nxf8 |
| ECO B14 in 1972 play it! sigurjonsson gud defeats black's torfason jon in 67 moves | 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. cxd5 Nxd5 8. Bc4 O-O 9. O-O Nc6 10. Re1 Bf6 11. Ne4 b6 12. a3 Bb7 13. Qd3 Rc8 14. Bd2 Qd7 15. Ba2 Rfd8 16. Rad1 Nce7 17. Bb1 Ng6 18. h4 Qa4 19. Neg5 Nde7 20. h5 Nf8 21. Bb4 Bxf3 22. Nxf3 a5 23. Bxe7 Bxe7 24. Re5 Bf6 25. Re4 Qc4 26. Qe3 Rd5 27. h6 g6 28. Rf4 Bh8 29. Be4 e5 30. Bxd5 exf4 31. Qe4 Qc2 32. Bxf7+ Kxf7 33. Qd5+ Ne6 34. Ng5+ |
| ECO B14 in 1986 play it! sigurjonsson gud defeats black's halldorsson brag in 63 moves | 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. cxd5 Nxd5 8. Bd3 Nc6 9. O-O O-O 10. Re1 Nf6 11. a3 b6 12. Bc2 Bb7 13. Qd3 a6 14. d5 exd5 15. Bg5 g6 16. Rxe7 Qxe7 17. Nxd5 Nxd5 18. Bxe7 Ncxe7 19. Re1 Rad8 20. Qd4 Nc6 21. Qg4 Nf6 22. Qf4 Nd5 23. Qh6 Rfe8 24. Rxe8+ Rxe8 25. h4 Ne5 26. Nxe5 Rxe5 27. Qd2 h5 28. f3 Re8 29. Be4 Rd8 30. Qg5 Rd7 31. Qe5 Bc6 32. Qe8+ |
| ECO B14 in 1970 play it! sigurjonsson gud defeats black's barcza gideon in 119 moves | 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Bb4 7. Bd3 dxc4 8. Bxc4 O-O 9. O-O b6 10. Bg5 Bb7 11. Qe2 Bxc3 12. bxc3 Nbd7 13. Bd3 Qc7 14. Rac1 Ng4 15. Be4 Bxe4 16. Qxe4 Ngf6 17. Qe2 Rfe8 18. Rfe1 Nd5 19. c4 Nf4 20. Qe4 Ng6 21. h4 h6 22. h5 Ngf8 23. Bf4 Qd8 24. Ne5 Qh4 25. Qf3 Nxe5 26. Bxe5 Nd7 27. Bg3 Qf6 28. Qb7 Qe7 29. c5 Nf6 30. c6 Qa3 31. c7 Rac8 32. Be5 Nd5 33. Rc2 Qa4 34. Rec1 a5 35. Re2 Qb5 36. Rec2 Qd3 37. Rc6 Qd2 38. R6c2 Qg5 39. Rc6 Qxh5 40. Rd6 Qg5 41. Rc4 Kh7 42. Rd7 Qd2 43. g3 Qe1+ 44. Kg2 Qe2 45. Rc1 f6 46. Bd6 Qxa2 47. Be7 Qa4 48. Rxd5 exd5 49. Qxd5 Kh8 50. Bd8 Re2 51. Rc6 Re1 52. Rxf6 Qe8 53. Rxb6 Rc1 54. Re6 Qf8 55. Qe5 Qf7 56. Re8+ Kh7 57. Qe4+ Qg6 58. Rh8+ Kxh8 59. Qxg6 R8xc7 60. Bxc7 |
| ECO B09 in 1978 play it! sigurjonsson gud defeats black's nielsen jens in 67 moves | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Be3 b6 7. Bd3 Bb7 8. f5 c5 9. fxg6 hxg6 10. d5 Nbd7 11. O-O Re8 12. Ng5 a6 13. Qe1 Nf8 14. Qh4 Qd7 15. h3 e6 16. e5 dxe5 17. Nce4 Nxe4 18. Rxf7 Qxf7 19. Nxf7 Kxf7 20. dxe6+ Rxe6 21. Bxe4 Bxe4 22. Qxe4 Ra7 23. Rf1+ Kg8 24. Qd5 Re7 25. Bg5 Re8 26. Qb7 e4 27. Rf7 Bd4+ 28. Kh2 e3 29. Bh6 e2 30. Rg7+ Kh8 31. Qf7 Be5+ 32. g3 Bxg3+ 33. Kg2 e1=N+ 34. Kxg3 |
| ECO B07 in 1981 play it! sigurjonsson gud defeats black's rosin w in 45 moves | 1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. f4 c6 5. Be3 Nf6 6. Nf3 O-O 7. Bd3 Ng4 8. Bd2 e5 9. dxe5 Qb6 10. Qe2 dxe5 11. h3 Nf6 12. Nxe5 Qxb2 13. Rb1 Qa3 14. O-O Nbd7 15. Nc4 Qc5+ 16. Be3 Qe7 17. e5 Ne8 18. Ne4 b6 19. f5 Nxe5 20. f6 Bxf6 21. Nxf6+ Nxf6 22. Bd4 b5 23. Qxe5 |
| ECO B07 in 1974 play it! sigurjonsson gud defeats black's botterill george in 37 moves | 1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Nf3 Nf6 5. h3 O-O 6. Be3 Na6 7. Be2 c5 8. dxc5 Qa5 9. cxd6 Nxe4 10. dxe7 Re8 11. O-O Nxc3 12. bxc3 Bxc3 13. Rb1 Rxe7 14. Bb6 Qa4 15. Bb5 Qe4 16. Qd8+ Kg7 17. Rfe1 Qf4 18. Rxe7 Bg4 19. Bd4+ |