60 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Walgren, William Arntzen | Oksendal, Martin | 0-1 | B90 | Junior A | 2026-07-11 |
| Walgren, William Arntzen | Dale, Marius Hag | 1-0 | B15 | Junior A | 2026-07-10 |
| Walgren, William Arntzen | Skaar, Ben Samuel Groth | 1/2-1/2 | C63 | Junior A | 2026-07-07 |
| Walgren, William Arntzen | Hellerud, Lauritz Nissen | 1-0 | B32 | Junior A | 2026-07-06 |
| Walgren, William Arntzen | Aasen, Sverre Milan Buaroy | 1-0 | C11 | Junior A | 2026-07-04 |
| Walgren, William Arntzen | Khoo-Thwe, Louis | 1/2-1/2 | B77 | NM for klubblag 2026 A | 2026-05-16 |
| Walgren, William Arntzen | Kjolberg, Jens Hjorth | 1/2-1/2 | A14 | NM for klubblag 2026 A | 2026-05-15 |
| Walgren, William Arntzen | Stole, Alexander | 1-0 | B01 | NM for klubblag 2026 A | 2026-05-15 |
| Walgren, William Arntzen | Gjerstad, Kristian | 1-0 | C66 | NM for klubblag 2026 A | 2026-05-14 |
| Walgren, William Arntzen | Markhus, Carl Erik | 1-0 | C11 | NM for klubblag 2026 A | 2026-05-14 |
| Walgren, William Arntzen | Simonsen, David Mindestrommen | 0-1 | B90 | Landsturneringen 2025 | 2025-07-12 |
| Walgren, William Arntzen | Torfoss, Sivert Schanche | 0-1 | B15 | Landsturneringen 2025 | 2025-07-10 |
| Walgren, William Arntzen | Dale, Marius Hag | 1-0 | B56 | Landsturneringen 2025 | 2025-07-09 |
| Walgren, William Arntzen | Stromhaug, Kristoffer Wang | 1-0 | C42 | Landsturneringen 2025 | 2025-07-07 |
| Walgren, William Arntzen | Eriksen, Olai Dyrhaug | 1/2-1/2 | B32 | Landsturneringen 2025 | 2025-07-06 |
| Walgren, William Arntzen | Eikre, Arne | 1/2-1/2 | B19 | Norwegian team championship 2025 | 2025-05-31 |
| Walgren, William Arntzen | Steinkellner, Rudolf | 1-0 | B01 | Norwegian team championship 2025 | 2025-05-29 |
| Walgren, William Arntzen | Martemyanov, Mikhail | 1-0 | B42 | NMU - NM for barn og ungdom 2024 | 2024-11-03 |
| Walgren, William Arntzen | Lindstad, Victor | 1-0 | C56 | NMU - NM for barn og ungdom 2024 | 2024-11-02 |
| Walgren, William Arntzen | Thorhallsson, Simon | 0-1 | B56 | 39th European Chess Club Cup | 2024-10-25 |
| Walgren, William Arntzen | Weatherlake, John P | 0-1 | C42 | 39th European Chess Club Cup | 2024-10-24 |
| Walgren, William Arntzen | Virbalis, Rytis | 1-0 | A82 | 39th European Chess Club Cup | 2024-10-22 |
| Walgren, William Arntzen | Vogt, Andreas, Prof. Dr. | 1/2-1/2 | C18 | 39th European Chess Club Cup | 2024-10-20 |
| Walgren, William Arntzen | Bjorkan, Olav | 1/2-1/2 | C10 | Landsturneringen i sjakk 2024 øvrige klasser | 2024-07-06 |
| Walgren, William Arntzen | Kierulf, Villum Brevick | 1/2-1/2 | B33 | Landsturneringen i sjakk 2024 øvrige klasser | 2024-07-03 |
| Walgren, William Arntzen | Amundsen, Ask | 1/2-1/2 | B48 | Landsturneringen i sjakk 2024 øvrige klasser | 2024-07-02 |
| Walgren, William Arntzen | Syreng, Gard Alexander Bye | 1/2-1/2 | B00 | Landsturneringen i sjakk 2024 øvrige klasser | 2024-06-30 |
| Walgren, William Arntzen | Elsness, Frode | 0-1 | C44 | Ã pent NM i hurtigsjakk 2024 | 2024-01-13 |
| Walgren, William Arntzen | Simonsen, David Mindestrommen | 1/2-1/2 | B56 | Norwegian Youth Championship 2023 C | 2023-11-19 |
| Walgren, William Arntzen | Hellerud, Thomas Nissen | 1-0 | B36 | Norwegian Youth Championship 2023 C | 2023-11-18 |
| Walgren, William Arntzen | Ostensen, Nicolai Maxime | 0-1 | B32 | Norwegian Youth Championship 2023 C | 2023-11-17 |
| William Arntzen Walgren | Ivar Endeberg | 1-0 | B01 | Kragero Resort Chess International 2023 | 2023-02-23 |
| Walgren, William Arntzen | Asikainen, Eeli | 0-1 | C56 | Nordic Youth Chess Championship | |
| Walgren, William Arntzen | Myagmarsuren, Evsuld | 0-1 | C67 | Nordic Youth Chess Championship | |
| Walgren, William Arntzen | Gudnyjarson, Sigurdur Pall | 1-0 | B15 | Nordic Youth Chess Championship |