| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. I Asmundsson vs J Kristinsson |
| 0-1 | 41 |
1964 |
Reykjavik | B56 Sicilian |
| 2. I Asmundsson vs K Bjerring |
 | 1-0 | 20 |
1973 |
Ribe 6 Nations chT | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 3. I Asmundsson vs J Fridjonsson |
| 1-0 | 31 |
1973 |
ISL-ch | B44 Sicilian |
| 4. I Asmundsson vs O Magnusson |
| 1-0 | 40 |
1973 |
ISL-ch playoff | B31 Sicilian, Rossolimo Variation |
| 5. I Asmundsson vs S Thormar |
| 1-0 | 30 |
1973 |
ISL-ch | B40 Sicilian |
| 6. I Asmundsson vs R Ott |
| 1-0 | 34 |
1974 |
Nice ol (Men) fin-B | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 7. I Asmundsson vs J Ulrichsen |
 | 0-1 | 32 |
1974 |
Nice ol (Men) fin-B | B30 Sicilian |
| 8. I Asmundsson vs L Kristensen |
| 1-0 | 32 |
1977 |
Gluecksburg tt | B31 Sicilian, Rossolimo Variation |
| 9. I Asmundsson vs H Haraldsson |
| 1-0 | 51 |
1979 |
ISL-ch | B24 Sicilian, Closed |
| 10. I Asmundsson vs Hjartarson |
| 0-1 | 52 |
1979 |
ISL-ch | B22 Sicilian, Alapin |
| 11. I Asmundsson vs E Gudmundsson |
| 1-0 | 48 |
1979 |
ISL-ch | B31 Sicilian, Rossolimo Variation |
| 12. I Asmundsson vs Lombardy |
| ½-½ | 20 |
1984 |
Grind (Germany) | B40 Sicilian |
| 13. I Asmundsson vs B Thorfinnsson |
| ½-½ | 10 |
2001 |
Jonsson Mem Open | B20 Sicilian |
| 14. I Asmundsson vs Chandler |
 | 0-1 | 30 |
2001 |
Jonsson Mem Open | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 15. I Asmundsson vs M Kouvatsou |
| 1-0 | 38 |
2001 |
ECC | B40 Sicilian |
| 16. I Asmundsson vs D Mastrovasilis |
| 0-1 | 41 |
2002 |
European Club Cup | B49 Sicilian, Taimanov Variation |
| 17. I Asmundsson vs P Jaracz |
| 0-1 | 49 |
2003 |
EU-ch 4th | B40 Sicilian |
| 18. I Asmundsson vs P San Segundo Carrillo |
| 1-0 | 51 |
2003 |
EU-ch 4th | B31 Sicilian, Rossolimo Variation |
| 19. I Asmundsson vs H Titz |
 | ½-½ | 55 |
2005 |
World Seniors Championship | B31 Sicilian, Rossolimo Variation |
| 20. I Asmundsson vs F Giani |
| 1-0 | 42 |
2005 |
World Seniors Championship | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 21. I Asmundsson vs R Siegmund |
| ½-½ | 23 |
2005 |
World Seniors Championship | B31 Sicilian, Rossolimo Variation |
| 22. I Asmundsson vs A Barrau Carinena |
| 1-0 | 15 |
2005 |
VII Open | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 23. I Asmundsson vs V Spasov |
| ½-½ | 84 |
2005 |
Salou Open | B30 Sicilian |