| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. H Olafsson vs Benko |
| ½-½ | 21 |
1977 |
open | A29 English, Four Knights, Kingside Fianchetto |
| 2. H Olafsson vs Timman |
| 1-0 | 43 |
1978 |
6, Lone Pine op | A28 English |
| 3. H Olafsson vs Kupreichik |
| 0-1 | 33 |
1980 |
Reykjavik | A28 English |
| 4. H Olafsson vs Karpov |
 | 0-1 | 37 |
1980 |
Ol, Malta 30/42 | A28 English |
| 5. H Olafsson vs Christiansen |
| 0-1 | 23 |
1984 |
Grind (Germany) | A22 English |
| 6. H Olafsson vs Kholmov |
| ½-½ | 55 |
1988 |
Sochi | A20 English |
| 7. H Olafsson vs Ivanchuk |
| 0-1 | 90 |
1990 |
Reykjavik | A25 English |
| 8. H Olafsson vs J Benjamin |
| 1-0 | 39 |
1990 |
open, Reykjavik 49/46 | A29 English, Four Knights, Kingside Fianchetto |
| 9. H Olafsson vs Zsofia Polgar |
| ½-½ | 97 |
1995 |
It (cat.11), Reykjavik (Iceland) | A21 English |
| 10. H Olafsson vs A Zatonskih |
| ½-½ | 23 |
2004 |
Reykjavik Open | A20 English |
| 11. H Olafsson vs Aronian |
| 0-1 | 40 |
2004 |
Reykjavik Rapid | A29 English, Four Knights, Kingside Fianchetto |
| 12. H Olafsson vs L Ptacnikova |
| 1-0 | 21 |
2005 |
Icelandic Team Championship | A28 English |
