| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. F Olafsson vs L Barden |
| ½-½ | 23 |
1952 |
Helsinki ol (Men) | B30 Sicilian |
| 2. F Olafsson vs E Reichel |
| 1-0 | 39 |
1953 |
Copenhagen | B93 Sicilian, Najdorf, 6.f4 |
| 3. F Olafsson vs Tolush |
| 0-1 | 33 |
1953 |
Hastings | B68 Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 9...Be7 |
| 4. F Olafsson vs J Gudmundsson |
 | 1-0 | 24 |
1953 |
Reykjavik, Iceland | B83 Sicilian |
| 5. F Olafsson vs Bronstein |
| 0-1 | 34 |
1953 |
Hastings | B93 Sicilian, Najdorf, 6.f4 |
| 6. F Olafsson vs Najdorf |
| 0-1 | 35 |
1954 |
Amsterdam | B92 Sicilian, Najdorf, Opocensky Variation |
| 7. F Olafsson vs Szabo |
| ½-½ | 72 |
1954 |
Amsterdam olm f | B91 Sicilian, Najdorf, Zagreb (Fianchetto) Variation |
| 8. F Olafsson vs G Palmason |
| 1-0 | 34 |
1954 |
Prague | B93 Sicilian, Najdorf, 6.f4 |
| 9. F Olafsson vs Larsen |
| ½-½ | 32 |
1956 |
Reykjavik m | B53 Sicilian |
| 10. F Olafsson vs Larsen |
| 1-0 | 31 |
1956 |
Reykjavik m | B90 Sicilian, Najdorf |
| 11. F Olafsson vs Larsen |
| 0-1 | 40 |
1956 |
Reykjavik m | B95 Sicilian, Najdorf, 6...e6 |
| 12. F Olafsson vs Najdorf |
| ½-½ | 47 |
1957 |
Dallas | B32 Sicilian |
| 13. F Olafsson vs Larsen |
| 0-1 | 56 |
1957 |
Wageningen zt | B34 Sicilian, Accelerated Fianchetto |
| 14. F Olafsson vs Pilnik |
| 1-0 | 24 |
1957 |
Reykjavik, Iceland | B28 Sicilian, O'Kelly Variation |
| 15. F Olafsson vs R T Cardoso |
| 1-0 | 28 |
1958 |
Portoroz izt | B40 Sicilian |
| 16. F Olafsson vs Tal |
| 0-1 | 71 |
1959 |
Bled ct | B41 Sicilian, Kan |
| 17. F Olafsson vs Simagin |
| 0-1 | 50 |
1959 |
Moscow (Russia) | B39 Sicilian, Accelerated Fianchetto, Breyer Variation |
| 18. F Olafsson vs Fischer |
| 1-0 | 45 |
1959 |
Yugoslavia ct | B90 Sicilian, Najdorf |
| 19. F Olafsson vs I Johannsson |
| 1-0 | 32 |
1959 |
Reykjavik | B88 Sicilian, Fischer-Sozin Attack |
| 20. F Olafsson vs Aronin |
| ½-½ | 30 |
1959 |
Moscow | B93 Sicilian, Najdorf, 6.f4 |
| 21. F Olafsson vs Larsen |
| 0-1 | 51 |
1959 |
Zuerich | B33 Sicilian |
| 22. F Olafsson vs O Bazan |
| 1-0 | 29 |
1960 |
Mar del Plata | B28 Sicilian, O'Kelly Variation |
| 23. F Olafsson vs O Gadia |
| 1-0 | 51 |
1960 |
Mar del Plata | B99 Sicilian, Najdorf, 7...Be7 Main line |
| 24. F Olafsson vs Benko |
| 1-0 | 46 |
1960 |
Buenos Aires | B27 Sicilian |
| 25. F Olafsson vs Letelier |
| 0-1 | 66 |
1960 |
Mar del Plata | B42 Sicilian, Kan |
