12 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Kosberg, Ivar | Arulmaran, Abishan | 0-1 | C24 | Landsturneringen 2026 | 2026-07-11 |
| Kosberg, Ivar | Kyrkjebo, Marte B. | 1/2-1/2 | C28 | Landsturneringen 2026 | 2026-07-09 |
| Kosberg, Ivar | Salimi, Kourosh | 1/2-1/2 | C24 | Landsturneringen 2026 | 2026-07-07 |
| Kosberg, Ivar | Wadstensvik, Petter Andreas | 1/2-1/2 | B20 | Landsturneringen 2026 | 2026-07-06 |
| Kosberg, Ivar | Kyrkjebo, Hanna B. | 1/2-1/2 | C28 | Landsturneringen 2026 | 2026-06-28 |
| Kosberg, Ivar | Opseth, Oliver | 0-1 | B20 | Landsturneringen 2025 | 2025-07-11 |
| Kosberg, Ivar | Simensen, Vegard | 0-1 | B20 | Landsturneringen 2025 | 2025-07-07 |
| Kosberg, Ivar | Runde, Hans Arild | 0-1 | B20 | Norwegian Championship 2022, Senior 50+ | 2022-07-10 |