| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. J Kleinert vs D Arngrimsson |
| ½-½ | 62 |
2000 |
Reykjavik op19 | B22 Sicilian, Alapin |
| 2. I Asmundsson vs D Arngrimsson |
| ½-½ | 38 |
2001 |
Jonsson Mem Open | A02 Bird's Opening |
| 3. D Arngrimsson vs R Hardarson |
| ½-½ | 51 |
2001 |
Jonsson Mem Open | A07 King's Indian Attack |
| 4. D Arngrimsson vs Hector |
| ½-½ | 59 |
2001 |
Jonsson Mem Open | C45 Scotch Game |
| 5. D Arngrimsson vs F Olafsson |
| ½-½ | 23 |
2001 |
Jonsson Mem Open | B06 Robatsch |
| 6. Carlsen vs D Arngrimsson |
| ½-½ | 41 |
2002 |
NOR-ch U18 int | E05 Catalan, Open, Classical line |
| 7. D Arngrimsson vs M Turov |
| ½-½ | 22 |
2004 |
Pardubice Skanska op | B22 Sicilian, Alapin |
| 8. G Kjartansson vs D Arngrimsson |
| ½-½ | 17 |
2004 |
Reykjavik Open | C68 Ruy Lopez, Exchange |
| 9. I Johannesson vs D Arngrimsson |
| ½-½ | 41 |
2004 |
Reykjavik Open | A11 English, Caro-Kann Defensive System |
| 10. D Arngrimsson vs B Thorfinnsson |
| ½-½ | 62 |
2004 |
Reykjavik Open | C55 Two Knights Defense |
| 11. D Arngrimsson vs J Vidarsson |
| ½-½ | 56 |
2004 |
Reykjavik Open | B00 Uncommon King's Pawn Opening |
| 12. D Arngrimsson vs Y Kuzubov |
| ½-½ | 30 |
2005 |
Hastings Chess Congress | B22 Sicilian, Alapin |
| 13. D Arngrimsson vs G Meier |
| ½-½ | 62 |
2005 |
BELFORT YWCC BU18 | C10 French |
| 14. D Arngrimsson vs D Kjartansson |
 | ½-½ | 9 |
2005 |
Caissa IM August | D02 Queen's Pawn Game |
| 15. D Arngrimsson vs A Filippov |
| ½-½ | 53 |
2006 |
World Junior Championship | C85 Ruy Lopez, Exchange Variation Doubly Deferred (DERLD) |
| 16. D Arngrimsson vs Ermenkov |
| ½-½ | 64 |
2006 |
XXII Reykjavik Open | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 17. S Shoker vs D Arngrimsson |
| ½-½ | 25 |
2006 |
World Junior Championship | A00 Uncommon Opening |
| 18. D Arngrimsson vs S Kristjansson |
| ½-½ | 7 |
2006 |
Hastings Chess Congress | C01 French, Exchange |
| 19. M Boe vs D Arngrimsson |
| ½-½ | 34 |
2006 |
First Saturday July | A03 Bird's Opening |
| 20. D Arngrimsson vs G Kjartansson |
| ½-½ | 8 |
2006 |
First Saturday July | C58 Two Knights |
| 21. S Citak vs D Arngrimsson |
| ½-½ | 35 |
2006 |
First Saturday July | D12 Queen's Gambit Declined Slav |
| 22. S Feller vs D Arngrimsson |
| ½-½ | 21 |
2007 |
World Junior Championship | D17 Queen's Gambit Declined Slav |
| 23. D Arngrimsson vs G Margvelashvili |
| ½-½ | 32 |
2007 |
World Junior Championship | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 24. D Brandenburg vs D Arngrimsson |
| ½-½ | 47 |
2007 |
World Junior Championship | C45 Scotch Game |
| 25. D Arngrimsson vs S Limontaite |
| ½-½ | 22 |
2008 |
Reykjavik Open | B31 Sicilian, Rossolimo Variation |