| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Balashov vs S D Sigfusson |
| ½-½ | 32 |
1989 |
Reykjavik | B11 Caro-Kann, Two Knights, 3...Bg4 |
| 2. A Thorsteinsson vs S D Sigfusson |
| ½-½ | 42 |
1990 |
It (open) | C55 Two Knights Defense |
| 3. T E Wiley vs S D Sigfusson |
| ½-½ | 22 |
2000 |
Reykjavik op19 | D85 Grunfeld |
| 4. H Westerinen vs S D Sigfusson |
| ½-½ | 24 |
2000 |
Reykjavik op19 | C30 King's Gambit Declined |
| 5. S D Sigfusson vs O Borik |
| ½-½ | 39 |
2001 |
ECC | B89 Sicilian |
| 6. L Eperjesi vs S D Sigfusson |
| ½-½ | 21 |
2001 |
FSIMB July | D85 Grunfeld |
| 7. P Scheffknecht vs S D Sigfusson |
| ½-½ | 40 |
2001 |
ECC | E69 King's Indian, Fianchetto, Classical Main line |
| 8. S D Sigfusson vs S Balster |
| ½-½ | 33 |
2001 |
FSIMB July | B49 Sicilian, Taimanov Variation |
| 9. D Plumanns vs S D Sigfusson |
| ½-½ | 14 |
2001 |
ECC | A45 Queen's Pawn Game |
| 10. I Orsher vs S D Sigfusson |
| ½-½ | 46 |
2001 |
FSIMB July | C90 Ruy Lopez, Closed |
| 11. J Dobos vs S D Sigfusson |
| ½-½ | 29 |
2001 |
FSIMB July | A16 English |
| 12. N Castaneda vs S D Sigfusson |
| ½-½ | 37 |
2001 |
FSIMB July | C89 Ruy Lopez, Marshall |
| 13. S D Sigfusson vs E Paehtz |
| ½-½ | 18 |
2003 |
European Clubs Cup (Men) | B86 Sicilian, Fischer-Sozin Attack |
| 14. S Brynell vs S D Sigfusson |
 | ½-½ | 36 |
2003 |
European Clubs Cup (Men) | C63 Ruy Lopez, Schliemann Defense |
| 15. Stefansson vs S D Sigfusson |
| ½-½ | 36 |
2004 |
Reykjavik Open | A81 Dutch |
| 16. S D Sigfusson vs A Iljin |
| ½-½ | 26 |
2004 |
20th European Club Cup | B41 Sicilian, Kan |
| 17. Pokorna vs S D Sigfusson |
| ½-½ | 26 |
2004 |
Reykjavik Open | B78 Sicilian, Dragon, Yugoslav Attack, 10.castle long |
| 18. S D Sigfusson vs S Maze |
| ½-½ | 50 |
2004 |
Reykjavik Open | B48 Sicilian, Taimanov Variation |
| 19. A Gunnarsson vs S D Sigfusson |
| ½-½ | 50 |
2005 |
21st European Club Cup | A11 English, Caro-Kann Defensive System |
| 20. A Spice vs S D Sigfusson |
| ½-½ | 35 |
2005 |
21st European Club Cup | A00 Uncommon Opening |
| 21. S D Sigfusson vs DeFirmian |
 | ½-½ | 30 |
2005 |
Politiken Cup | B86 Sicilian, Fischer-Sozin Attack |
| 22. J Harholm vs S D Sigfusson |
| ½-½ | 11 |
2005 |
21st European Club Cup | D02 Queen's Pawn Game |
| 23. S D Sigfusson vs K Bischoff |
| ½-½ | 57 |
2005 |
21st European Club Cup | B54 Sicilian |
| 24. S D Sigfusson vs I Rogers |
| ½-½ | 21 |
2006 |
XXII Reykjavik Open | B33 Sicilian |
| 25. S D Sigfusson vs A Hentunen |
| ½-½ | 38 |
2007 |
European Club Cup | C42 Petrov Defense |