| ECO A00 in 2003 play it! sigurjonsson gud defeats black's sigurdsson arnar in 42 moves | 1. g3 d5 2. d4 b6 3. Bg2 Bb7 4. Bf4 e6 5. a3 Nf6 6. c4 Nbd7 7. Nc3 Rc8 8. Nb5 a6 9. Bxc7 Rxc7 10. Nxc7+ Qxc7 11. cxd5 Bxd5 12. Nf3 Be7 13. O-O O-O 14. Nd2 Qc6 15. Rc1 Qb7 16. Bxd5 Qxd5 17. Qa4 a5 18. Rfe1 e5 19. e3 exd4 20. exd4 Bd8 21. Qc4 Qxc4 |
| ECO B33 in 1982 play it! sigurjonsson gud defeats black's holzl franz in 37 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 Bd7 10. O-O Rc8 11. f5 e5 12. Ne6 fxe6 13. fxe6 Na5 14. Nd5 Bxe6 15. Nxf6+ Bxf6 16. Bxe6 Nc4 17. Bc1 Qb6+ 18. Kh1 Rc6 19. Rxf6 |
| ECO B83 in 1975 play it! sigurjonsson gud defeats black's panno oscar in 85 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 Be7 7. O-O Nc6 8. Be3 Bd7 9. f4 a6 10. a4 Qc7 11. Qe1 O-O 12. Qg3 Rfc8 13. Rae1 Qd8 14. Nxc6 Bxc6 15. Bd4 g6 16. Bd3 d5 17. e5 Ne4 18. Qe3 Bb4 19. Bxe4 dxe4 20. Rd1 Bxc3 21. Bxc3 Qh4 22. Rd4 b5 23. a5 Rd8 24. Rd6 Bd5 25. Be1 Qe7 26. Bb4 Qh4 27. Rd1 Rdc8 28. Rd2 Rc4 29. c3 Rxb4 30. cxb4 Rc8 31. Rf2 Kg7 32. b3 h6 33. h3 Qe7 34. Kh2 Qc7 35. Rxa6 Qc3 36. Qxc3 Rxc3 37. Rb6 e3 38. Rb2 Bxb3 39. Rxb5 Bc2 40. Kg1 Bd3 41. Rc5 Bc4 42. Rb1 e2 43. Kf2 |
| ECO B41 in 1975 play it! sigurjonsson gud defeats black's benko pal in 37 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. f4 Qc7 8. O-O Be7 9. Be3 b5 10. e5 dxe5 11. fxe5 Qxe5 12. Bf4 Qc5 13. Bf3 Nd5 14. Nxd5 exd5 15. b4 Qc4 16. Re1 Kf8 17. c3 Bd7 18. Qd2 Qc8 19. Bxd5 |
| 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 d5 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. Nxd5 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. Rd6 Rxb2 42. Bg6+ |
| ECO B33 in 1977 play it! sigurjonsson gud defeats black's rohde michael a in 61 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 f5 11. exf5 Bxf5 12. c3 Bg7 13. Nc2 O-O 14. Nce3 Be6 15. g3 f5 16. Bh3 b4 17. O-O bxc3 18. bxc3 Qa5 19. Rb1 Kh8 20. Rb7 Rae8 21. Nc7 Nd8 22. Nxe8 Nxb7 23. Nxg7 Kxg7 24. Qh5 f4 25. Nf5+ Bxf5 26. Bxf5 Nc5 27. Qxh7+ Kf6 28. Rd1 Qb6 29. g4 Rf7 30. Qh8+ Rg7 31. Qf8+ |
| ECO B41 in 1975 play it! sigurjonsson gud defeats black's benko pal in 43 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6 7. f4 Qc7 8. O-O Be7 9. Be3 b5 10. e5 dxe5 11. fxe5 Qxe5 12. Bf4 Qc5 13. Bf3 Nd5 14. Nxd5 exd5 15. b4 Qc4 16. Re1 Kf8 17. c3 Bd7 18. Qd2 Qc8 19. Bxd5 Nc6 20. Qe3 Bf6 21. Nxc6 Bxc6 22. Qc5+ |
| ECO B23 in 2007 play it! sigurjonsson gud defeats black's petersen adolf d in 65 moves | 1. e4 c5 2. Nc3 d6 3. g3 Nf6 4. Bg2 Nc6 5. d3 e6 6. f4 Be7 7. Nf3 Qc7 8. O-O a6 9. Bd2 O-O 10. h3 b5 11. a3 Bb7 12. g4 Rad8 13. Rc1 d5 14. e5 Nd7 15. Qe1 Nd4 16. Nxd4 cxd4 17. Ne2 Bc5 18. Ba5 Bb6 19. Bxb6 Qxb6 20. Qf2 f6 21. exf6 Rxf6 22. Qxd4 Qxd4+ 23. Nxd4 Rdf8 24. Rce1 Rxf4 25. Rxf4 Rxf4 26. Nxe6 Rf6 27. Nd8 Ba8 28. Re7 Rd6 29. Re8+ Nf8 30. c4 bxc4 31. dxc4 g5 32. c5 Rf6 33. c6 |
| ECO B35 in 1978 play it! sigurjonsson gud defeats black's garcia luis e 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 Bd7 10. O-O Qa5 11. Re1 Rac8 12. Qe2 Nxe4 13. Nxc6 Bxc6 14. Nxe4 Bxb2 15. Rab1 Bg7 16. Bd2 Qc7 17. c4 Rfd8 18. h4 b6 19. h5 Qb7 20. hxg6 hxg6 21. Ng5 Bf6 22. Qg4 Kg7 23. Bc2 Rg8 24. Bf5 Rcd8 25. Ne6+ fxe6 26. Qxg6+ Kf8 27. Bh6+ Rg7 28. Bxe6 Be8 29. Bxg7+ Bxg7 30. Qf5+ Bf6 31. Qh7 |
| ECO B57 in 1980 play it! sigurjonsson gud defeats black's ligterink gert in 81 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Bb3 Be7 8. Be3 a6 9. f4 O-O 10. Qe2 Nxd4 11. Bxd4 b5 12. O-O-O b4 13. Na4 Bb7 14. Bxf6 Bxf6 15. Nc5 Bc6 16. e5 Bxe5 17. Nxe6 fxe6 18. Bxe6+ Kh8 19. fxe5 Qg5+ 20. Qd2 Qxd2+ 21. Rxd2 dxe5 22. Re1 Rad8 23. Rxd8 Rxd8 24. Rxe5 Re8 25. Re2 Bxg2 26. Bc4 Rxe2 27. Bxe2 a5 28. Kd2 Bh3 29. Ke3 Kg8 30. Kd4 Kf7 31. Kc5 Ke6 32. c4 bxc3 33. bxc3 g6 34. c4 h5 35. Kb6 a4 36. c5 Kd5 37. c6 Kd4 38. c7 a3 39. Bf1 Be6 40. h4 Kc3 41. Kc5 |
| ECO B72 in 1974 play it! sigurjonsson gud defeats black's mestel jonathan in 81 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. h3 Nc6 8. Bc4 O-O 9. Bb3 Bd7 10. O-O Qc7 11. f4 Na5 12. Qd3 a6 13. Nf3 Rad8 14. Bd4 Rfe8 15. f5 Nxb3 16. axb3 d5 17. fxg6 hxg6 18. e5 Bf5 19. Qe3 Ne4 20. Bb6 Qb8 21. Bxd8 Rxd8 22. Rad1 e6 23. Nxe4 dxe4 24. Ng5 Bxe5 25. Nxe4 Bxb2 26. Ng5 Bf6 27. c4 Qc7 28. Nf3 Rxd1 29. Rxd1 Kg7 30. Kf2 Be7 31. Qe5+ Qxe5 32. Nxe5 Bf6 33. Nf3 Bc2 34. Rd7 Bxb3 35. Nd2 Ba2 36. Rxb7 Bc3 37. Ne4 Bd4+ 38. Ke1 Bxc4 39. Rb4 Bd5 40. Rxd4 f5 41. Ng5 |
| ECO B50 in 1969 play it! sigurjonsson gud defeats black's kazilaris nikola in 139 moves | 1. e4 c5 2. Nf3 d6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 Nf6 6. f4 Qc7 7. Bd3 e6 8. Qf3 Nc6 9. Be3 Nxd4 10. Bxd4 e5 11. Be3 Be6 12. f5 Bc4 13. Bxc4 Qxc4 14. Bg5 Nd7 15. O-O-O Rc8 16. Kb1 h6 17. Bh4 b5 18. Rd2 Nb6 19. Bf2 b4 20. Nd1 Nd7 21. Ne3 Qc6 22. Nd5 Nf6 23. Nxf6+ gxf6 24. Bh4 Be7 25. Rc1 h5 26. Rd5 Qc4 27. Be1 Rc5 28. b3 Qb5 29. Rcd1 a5 30. Bf2 Rxd5 31. Rxd5 Qf1+ 32. Kb2 Rg8 33. Bg3 Qa6 34. Qxh5 Kd7 35. Qxf7 Rc8 36. Qe6+ Kd8 37. Qg8+ Kd7 38. Qe6+ Kd8 39. Qg8+ Kd7 40. Qg4 a4 41. Qf3 Rc3 42. Qd1 a3+ 43. Kc1 Re3 44. Rd3 Rxe4 45. Qf3 Qc6 46. Kd1 Bf8 47. Bf2 Rf4 48. Qxc6+ Kxc6 49. Rf3 Re4 50. Kd2 d5 51. h3 d4 52. g3 Kd5 53. Kd1 Bh6 54. Be1 Kc5 55. g4 Kb5 56. Bh4 Bg7 57. Bg3 Bh6 58. Bf2 Kc5 59. c3 Bg7 60. cxb4+ Kb5 61. Kd2 Kc6 62. Kd3 Kd5 63. b5 Bh6 64. Bg3 Bf8 65. b6 Bd6 66. b7 Bb8 67. g5 fxg5 68. f6 Rf4 69. Bxf4 e4+ 70. Ke2 |
| ECO B41 in 1981 play it! sigurjonsson gud defeats black's fahnenschmidt ge in 101 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f4 a6 7. Qf3 Qc7 8. Be3 b5 9. Bd3 Bb7 10. g4 Nc6 11. g5 Nd7 12. O-O Be7 13. Qh3 Nxd4 14. Bxd4 e5 15. Be3 exf4 16. Bxf4 Ne5 17. Rae1 O-O 18. Nd5 Bxd5 19. exd5 Nxd3 20. Qxd3 Rfe8 21. Re3 Bf8 22. Ref3 Rac8 23. c3 Qd7 24. Bg3 Re7 25. Rf5 Rc4 26. Qf3 Qe8 27. Bxd6 Re3 28. Re5 Rxe5 29. Bxe5 f6 30. Bd4 Qg6 31. h4 Rc8 32. d6 Rd8 33. Qd5+ Qf7 34. Qxf7+ Kxf7 35. gxf6 g6 36. a4 Bxd6 37. axb5 axb5 38. Ra1 Rd7 39. Kg2 Rb7 40. Ra8 Ke6 41. Kf3 Kf5 42. Ra6 Be5 43. Bxe5 Kxe5 44. Kg4 b4 45. Kg5 bxc3 46. bxc3 Rc7 47. Ra8 Ke6 48. Re8+ Kd6 49. Re3 Ra7 50. Re7 Ra5+ 51. Kh6 |
| ECO B21 in 1973 play it! sigurjonsson gud defeats black's weinstein norman in 71 moves | 1. e4 c5 2. f4 g6 3. Nf3 Bg7 4. Nc3 Nc6 5. Bc4 Nd4 6. Nxd4 cxd4 7. Ne2 Nf6 8. Bd3 O-O 9. O-O d6 10. Kh1 Qb6 11. Qe1 Nd7 12. Bc4 Nc5 13. d3 Be6 14. Bxe6 fxe6 15. Qh4 Rf7 16. Ng3 Raf8 17. Rf3 Kh8 18. Qh3 Qc6 19. Bd2 Na4 20. c4 dxc3 21. bxc3 d5 22. f5 exf5 23. exf5 gxf5 24. Nxf5 Bxc3 25. Rc1 Qe6 26. Bh6 Re8 27. Rcf1 Nc5 28. Qh4 Bf6 29. Qh5 Rff8 30. Bxf8 Rxf8 31. Qh6 Nd7 32. d4 Rg8 33. Rh3 Qf7 34. Qf4 Qg6 35. Rg3 Qf7 36. Nh6 |
| ECO B75 in 1984 play it! sigurjonsson gud defeats black's mccambridge vinc in 99 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. Nxc6 bxc6 11. Bh6 e6 12. h4 Bh8 13. h5 Nxh5 14. Bd3 Rb8 15. Rxh5 dxe4 16. Bxf8 Qxf8 17. Bxe4 Bxc3 18. Qxc3 gxh5 19. Qf6 Bb7 20. Rd7 Qg7 21. Qf4 e5 22. Qf5 Ba6 23. b3 h4 24. Rxa7 Bf1 25. Qh5 Bxg2 26. Qxh4 Bxf3 27. Bxh7+ Qxh7 28. Qxh7+ Kxh7 29. Rxf7+ Kg6 30. Rxf3 Kg5 31. Kd2 e4 32. Rc3 Kf4 33. Rxc6 Rh8 34. Rf6+ Ke5 35. Rf2 Rh3 36. Re2 Kd4 37. c3+ Ke5 38. a4 Rh1 39. a5 Ra1 40. b4 Kd5 41. Re1 Ra2+ 42. Ke3 Rc2 43. Rd1+ Ke5 44. a6 Rxc3+ 45. Ke2 Rh3 46. Rd8 Rh2+ 47. Ke3 Rh3+ 48. Kf2 Ra3 49. b5 e3+ 50. Kf3 |
| ECO B50 in 1975 play it! sigurjonsson gud defeats black's gligoric svetoza in 93 moves | 1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 a6 6. Be3 e5 7. Nf3 Qc7 8. Bg5 Nbd7 9. a4 b6 10. Nd2 Bb7 11. Bc4 Be7 12. Qe2 O-O 13. O-O Rfc8 14. Rfd1 Qd8 15. Bb3 Rxc3 16. bxc3 Rc8 17. f3 a5 18. Nf1 Ne8 19. Bxe7 Qxe7 20. Ne3 Nc5 21. Qd2 g6 22. Rab1 Rd8 23. Nc4 Qc7 24. Kh1 d5 25. exd5 Rxd5 26. Qe2 e4 27. Rxd5 Bxd5 28. fxe4 Nxe4 29. Nd2 Nxd2 30. Qxd2 Bc6 31. Rd1 Qe5 32. Qf2 Nf6 33. Rf1 Kg7 34. Qxb6 Qxc3 35. Qa7 Bd7 36. Bxf7 Qxc2 37. Qd4 Bf5 38. Bd5 h5 39. h3 Qe2 40. Rc1 Qe7 41. Bf3 Kh6 42. Qf4+ Kh7 43. Rc7 Bd7 44. Bc6 Qe1+ 45. Kh2 Ng4+ 46. hxg4 Qh4+ 47. Kg1 |
| ECO B41 in 1974 play it! sigurjonsson gud defeats black's enklaar bert ned in 77 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 Be7 7. O-O O-O 8. Be3 Nc6 9. f4 Qc7 10. Nb3 a6 11. a4 b6 12. Bf3 Rb8 13. Qe2 Na5 14. Kh1 Nc4 15. Bc1 Nd7 16. Nd4 Na5 17. Be3 Bb7 18. Rad1 Bf6 19. f5 exf5 20. Nxf5 Nc4 21. Bc1 Nxb2 22. Bxb2 Bxc3 23. Bxc3 Qxc3 24. Rxd6 Nc5 25. e5 Rfe8 26. Bxb7 Rxb7 27. Rc6 g6 28. Nd6 Rxe5 29. Rc8+ Kg7 30. Qf2 Ree7 31. Nxb7 Rxb7 32. a5 Qxa5 33. Qf6+ Kh6 34. h3 Ne6 35. Rc4 Ng7 36. Rh4+ Nh5 37. g4 Qd5+ 38. Kh2 Rc7 39. Rxh5+ |
| ECO B35 in 1974 play it! sigurjonsson gud defeats black's miles anthony j in 83 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 Bd7 10. O-O Nxd4 11. Bxd4 Bc6 12. Qd3 b5 13. Rfe1 Qd7 14. Nd5 Nxd5 15. exd5 Bb7 16. Bxg7 Kxg7 17. Re3 f6 18. Rae1 Rf7 19. Qe2 Kf8 20. Re6 Rc8 21. a3 Rc5 22. Qd2 Qc7 23. h4 Qb6 24. h5 g5 25. h6 Qd8 26. f4 gxf4 27. R1e4 Qb6 28. Kf1 Ba6 29. Qd4 b4+ 30. Ke1 Qb5 31. Rxe7 Qf1+ 32. Kd2 Qxg2+ 33. Kc1 Bb5 34. Kb1 bxa3 35. Rxf7+ Kxf7 36. Re6 Qh1+ 37. Ka2 Qxh6 38. Rxd6 Rc7 39. Rd8 Ke7 40. Rb8 Rd7 41. d6+ Rxd6 42. Qe4+ |
| ECO B33 in 1982 play it! sigurjonsson gud defeats black's ivanovic bozidar in 71 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. Bb3 Be7 8. Be3 O-O 9. f4 Bd7 10. Qf3 Qa5 11. O-O Rad8 12. f5 d5 13. exd5 exd5 14. Nxd5 Nxd5 15. Bxd5 Nxd4 16. Bxd4 Bxf5 17. Qg3 Bg6 18. Qe5 Bf6 19. Bxf7+ Rxf7 20. Qxa5 Bxd4+ 21. Kh1 Rfd7 22. c3 Bb6 23. Qa4 h5 24. Rad1 Rd2 25. Rxd2 Rxd2 26. b3 Kh7 27. h3 Re2 28. Qc4 Rxa2 29. Rf8 Ra1+ 30. Kh2 Re1 31. Qc8 Bg1+ 32. Kg3 Re3+ 33. Kh4 Kh6 34. g4 hxg4 35. Qxg4 Re8 36. Qg5+ |
| ECO B35 in 1982 play it! sigurjonsson gud defeats black's karlsson lars en 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. Kh2 Bxd4 22. Rxd4 Qb6 23. Red1 Rf7 24. e5 Rc5 25. Ne4 d5 26. Nxc5 Qxc5 27. Rxd5 exd5 28. Rxd5 Qf2 |