| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Stefansson vs Topalov |
 | ½-½ | 78 |
1989 |
Arnhem | C16 French, Winawer |
| 2. Stefansson vs Hug |
| ½-½ | 16 |
1993 |
3rd World Team Ch | C18 French, Winawer |
| 3. Stefansson vs Bareev |
| ½-½ | 19 |
1996 |
Yerevan ol (Men) | C11 French |
| 4. Stefansson vs Potkin |
| ½-½ | 38 |
2000 |
KB Czech Open | C18 French, Winawer |
| 5. Stefansson vs Psakhis |
| 1-0 | 32 |
2000 |
3rd Torshavn International | C18 French, Winawer |
| 6. Stefansson vs C Bauer |
| ½-½ | 18 |
2000 |
34th Olympiad | C11 French |
| 7. Stefansson vs Short |
| ½-½ | 31 |
2000 |
Reykjavik op19 | C18 French, Winawer |
| 8. Stefansson vs Ivanchuk |
| ½-½ | 25 |
2001 |
EuTCh | C18 French, Winawer |
| 9. Stefansson vs J Nogueiras |
| ½-½ | 16 |
2002 |
Capablanca Mem Elite | C11 French |
| 10. Stefansson vs E Hedman |
 | 1-0 | 29 |
2002 |
32nd Rilton Cup | C18 French, Winawer |
| 11. Stefansson vs A Fernandes |
| 1-0 | 63 |
2002 |
Bled Olympiad | C11 French |
| 12. Stefansson vs P Nikolic |
| 0-1 | 39 |
2003 |
Greenland Open | C03 French, Tarrasch |
| 13. Stefansson vs Korchnoi |
 | 0-1 | 54 |
2005 |
15th European Team Championship | C14 French, Classical |
| 14. Stefansson vs Ulf Andersson |
| ½-½ | 15 |
2005 |
15th European Team Championship | C11 French |
| 15. Stefansson vs Z Rahman |
| 0-1 | 35 |
2006 |
37th Chess Olympiad | C11 French |
| 16. Stefansson vs L Kritz |
 | 0-1 | 45 |
2008 |
SPICE Cup | C14 French, Classical |
| 17. Stefansson vs Ngoc Truongson Nguyen |
 | 0-1 | 33 |
2008 |
2008 Olympiad | C10 French |
| 18. Stefansson vs M Gurevich |
| ½-½ | 16 |
2008 |
Mindsports | C11 French |
| 19. Stefansson vs G Battaglini |
| 1-0 | 32 |
2011 |
12th European Individual Championship | C11 French |