59 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Olsen, William Fegth | Kaewpitakkun, Pantham | 1/2-1/2 | C79 | Mester | 2026-07-11 |
| Olsen, William Fegth | Halvorsen, Benjamin | 1/2-1/2 | B56 | Mester | 2026-07-10 |
| Olsen, William Fegth | Machlik, Monika | 0-1 | B15 | Mester | 2026-07-08 |
| Olsen, William Fegth | Lahlum, Hans Olav | 1/2-1/2 | C15 | Mester | 2026-07-06 |
| Olsen, William Fegth | Hoyforsslett, Gard Rye | 1-0 | B32 | Mester | 2026-07-04 |
| Olsen, William Fegth | Bakhyt, Rauan | 0-1 | E00 | Round 6: Olsen, William Fegth - Bakhyt, Rauan | 2026-04-16 |
| Olsen, William Fegth | Brattgjerd, Isak Vinh | 0-1 | B15 | Ã pent NM i hurtigsjakk 2026 | 2026-01-04 |
| Olsen, William Fegth | Mortensen, Michael | 1/2-1/2 | C78 | Ã pent NM i hurtigsjakk 2026 | 2026-01-04 |
| Olsen, William Fegth | Kreken, Eivind Grunt | 0-1 | C91 | Ã pent NM i hurtigsjakk 2026 | 2026-01-03 |
| Olsen, William Fegth | Hetland, Even | 1-0 | B42 | Ã pent NM i hurtigsjakk 2026 | 2026-01-03 |
| Olsen, William Fegth | Moen, Ole Christian | 1-0 | C76 | Ã pent NM i hurtigsjakk 2026 | 2026-01-03 |
| Olsen, William Fegth | Royrvik, Bjorn Mennink | 1-0 | D35 | NM for barn og ungdom 2025 | 2025-11-16 |
| Olsen, William Fegth | Trygstad, Even Jatog | 1/2-1/2 | D15 | NM for barn og ungdom 2025 | 2025-11-15 |
| Olsen, William Fegth | Nord, Aleksander Milan | 1/2-1/2 | C01 | Landsturneringen 2025 | 2025-07-12 |
| Olsen, William Fegth | Leer-Helgesen, Andreas | 1-0 | B54 | Landsturneringen 2025 | 2025-07-10 |
| Olsen, William Fegth | Trygstad, Even Jatog | 1/2-1/2 | B01 | Landsturneringen 2025 | 2025-07-08 |
| Olsen, William Fegth | Royrvik, Bjorn Mennink | 1/2-1/2 | D02 | Landsturneringen 2025 | 2025-07-07 |
| Olsen, William Fegth | Anderson, Iver Gjelstenli | 1-0 | C50 | Landsturneringen 2025 | 2025-07-05 |
| Olsen, William Fegth | Gjersvik, Julian | 1-0 | D02 | NMU - NM for barn og ungdom 2024 | 2024-11-03 |
| Olsen, William Fegth | Mortensen, Michael | 1-0 | B49 | NMU - NM for barn og ungdom 2024 | 2024-11-02 |
| Olsen, William Fegth | Blikom, Theo | 0-1 | D02 | Landsturneringen 2024 | 2024-07-05 |
| Olsen, William Fegth | Yang, Espen Siben | 1-0 | A52 | Landsturneringen 2024 | 2024-07-03 |
| Olsen, William Fegth | Furstrand, Jakob Mork | 1-0 | A13 | Landsturneringen 2024 | 2024-07-02 |
| Olsen, William Fegth | Benjamin Vatne | 1-0 | B50 | Landsturneringen 2024 | 2024-06-30 |
| Olsen, William Fegth | Nakonechnyi, Oleksii | 0-1 | B22 | Round 10: Olsen, William Fegth - Nakonechnyi, Oleksii | 2024-04-28 |
| Olsen, William Fegth | Ilko-Toth, Andras | 0-1 | B22 | Round 6: Olsen, William Fegth - Ilko-Toth, Andras | 2024-04-27 |
| Olsen, William Fegth | VÃ¥ge, Jon Magnus | 1-0 | B12 | Ã pent NM i hurtigsjakk 2024 | 2024-01-13 |
| Olsen, William Fegth | Zhang, Yiming | 0-1 | E05 | Nordic Youth Chess Championship | |
| Olsen, William Fegth | Ernisson, Petur Ulfar | 1-0 | C56 | Nordic Youth Chess Championship | |
| Olsen, William Fegth | Elnegaard , Tristan Lund | 1/2-1/2 | A05 | Nordic Youth Chess Championship |