12 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Halldorsson, Gudmundur | Davies, Nigel R | 1/2-1/2 | E16 | Round 6: Halldorsson, Gudmundur - Davies, Nigel R | 2026-04-25 |
| Halldorsson, Gudmundur | Ragnarsson, Dagur | 0-1 | D20 | Skákþing ReykjavÃkur 2026 | 2026-02-06 |
| Halldorsson, Gudmundur | Birkisson, Bardur Orn | 1-0 | E06 | Skákþing ReykjavÃkur 2026 | 2026-01-28 |
| Halldorsson, Gudmundur | Hallmundarson, Birkir | 1-0 | E04 | Skákþing ReykjavÃkur 2026 | 2026-01-21 |
| Halldorsson, Gudmundur | Eiriksson, Theodor | 1-0 | D30 | Skákþing ReykjavÃkur 2026 | 2026-01-14 |