139 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Olsen, William Alexander | Bluhm, Sonja Maria | 1-0 | A06 | Round 8: Olsen, William Alexander - Bluhm, Sonja Maria | 2026-08-28 |
| Olsen, William Alexander | Romero Pallares, Daniel | 0-1 | B12 | Round 6: Olsen, William Alexander - Romero Pallares, Daniel | 2026-08-26 |
| Olsen, William Alexander | Gkoumas, Georgios | 1/2-1/2 | D30 | Round 4: Olsen, William Alexander - Gkoumas, Georgios | 2026-08-24 |
| Olsen, William Alexander | Gonzalez Perez, Jose Ramon | 1/2-1/2 | D41 | Round 2: Olsen, William Alexander - Gonzalez Perez, Jose Ramon | 2026-08-22 |
| Olsen, William Alexander | Gjersvik, Aksel Elias | 1-0 | E81 | Junior A | 2026-07-06 |
| Olsen, William Alexander | Blauhut, Anna | 1-0 | D21 | Junior A | 2026-07-04 |
| Olsen, William Alexander | Oksendal, Martin | 1/2-1/2 | C01 | Junior A | 2026-06-28 |
| Olsen, William Alexander | Khoo-Thwe, Louis | 1-0 | D43 | Junior A | 2026-06-28 |
| Olsen, William Alexander | Myny, Sigur H | 1-0 | A20 | Junior A | 2026-06-28 |
| Olsen, William Alexander | Liu, Jason | 1/2-1/2 | E40 | Round 11: Olsen, William Alexander - Liu, Jason | 2026-06-26 |
| Olsen, William Alexander | Khoo-Thwe, Louis | 1/2-1/2 | B27 | Round 9: Olsen, William Alexander - Khoo-Thwe, Louis | 2026-06-24 |
| Olsen, William Alexander | Navarro Martinez, Victor | 0-1 | D35 | World Youth Chess Championship 2026 U18 Open | 2026-06-23 |
| Olsen, William Alexander | Nainys, Zanas | 0-1 | D35 | Round 6: Olsen, William Alexander - Nainys, Zanas | 2026-06-20 |
| Olsen, William Alexander | Orujov, Farid | 0-1 | B51 | Round 4: Olsen, William Alexander - Orujov, Farid | 2026-06-18 |
| Olsen, William Alexander | Kot, Emanuel | 1/2-1/2 | A06 | Round 2: Olsen, William Alexander - Kot, Emanuel | 2026-06-16 |
| Olsen, William Alexander | Torbjørn Valvåg | 1-0 | A06 | Norway Chess Open 2026 June | 2026-06-06 |
| Olsen, William Alexander | Petr Boleslav | 1-0 | C45 | Norway Chess Open 2026 June | 2026-06-04 |
| Olsen, William Alexander | Doran, Chris | 1-0 | E73 | Norway Chess Open 2026 June | 2026-06-02 |
| Olsen, William Alexander | Andersen, Guttorm | 1-0 | A84 | Norway Chess Open 2026 May | 2026-05-29 |
| Olsen, William Alexander | Kristiansen, Rune Harald | 1/2-1/2 | A50 | Norway Chess Open 2026 May | 2026-05-27 |
| Olsen, William Alexander | Solbakken, Mikkel Damtoft | 1-0 | B13 | Norway Chess Open 2026 May | 2026-05-25 |
| Olsen, William Alexander | Jones, Gabriel | 1-0 | A80 | Norway Chess Open 2026 May | 2026-05-23 |
| Olsen, William Alexander | Risting, Eivind Olav | 0-1 | B56 | NM for klubblag 2026 A | 2026-05-15 |
| Olsen, William Alexander | Antonsen, Tormod | 1-0 | B31 | NM for klubblag 2026 A | 2026-05-13 |
| Olsen, William Alexander | Hestvik Evenshaug, Amandus | 1/2-1/2 | NM Fischersjakk - Freestyle 2026 | 2026-02-21 | |
| Olsen, William Alexander | Wedenberg, Oliver | 1-0 | D37 | Nordisk Mesterskab gruppe A | 2026-02-15 |
| Olsen, William Alexander | Omarsson, Adam | 1-0 | B50 | Nordisk Mesterskab gruppe A | 2026-02-13 |
| Olsen, William Alexander | Briem, Benedikt | 1-0 | D35 | Nordisk Mesterskab gruppe A | 2026-02-08 |
| Olsen, William Alexander | Kaewpitakkun, Pantham | 1/2-1/2 | D84 | NM for barn og ungdom 2025 | 2025-11-16 |
| Olsen, William Alexander | Berget, Eirik | 1-0 | C10 | NM for barn og ungdom 2025 | 2025-11-15 |
| Olsen, William Alexander | Skaar, Ben Samuel Groth | 1/2-1/2 | C28 | Landsturneringen i Bergen 2025 . KANDIDAT | 2025-07-12 |
| Olsen, William Alexander | Soraas, Torben | 1-0 | E60 | Landsturneringen i Bergen 2025 . KANDIDAT | 2025-07-10 |
| Olsen, William Alexander | Hohelj, Stanislav | 1/2-1/2 | B30 | Landsturneringen i Bergen 2025 . KANDIDAT | 2025-07-08 |
| Olsen, William Alexander | Khoo-Thwe, Louis | 1/2-1/2 | B15 | Landsturneringen i Bergen 2025 . KANDIDAT | 2025-07-07 |
| Olsen, William Alexander | Roulet-Dubonnet, Emerik Vapenstad | 1/2-1/2 | B13 | Landsturneringen i Bergen 2025 . KANDIDAT | 2025-07-05 |
| Olsen, William Alexander | Chikwati, Elvis | 1-0 | B13 | Norwegian team championship 2025 | 2025-05-31 |
| Olsen, William Alexander | Dao, Xuan Hoang | 1/2-1/2 | C26 | Norwegian team championship 2025 | 2025-05-31 |
| Olsen, William Alexander | Gandrud, Vegar Koi | 1-0 | B50 | Fagernes International 2025 | 2025-04-19 |
| Olsen, William Alexander | Den Roover, Nikolay Jorgensen | 1-0 | A43 | Fagernes International 2025 | 2025-04-17 |
| Olsen, William Alexander | Haugen, Lars Tormod | 1-0 | B32 | Fagernes International 2025 | 2025-04-16 |
| Olsen, William Alexander | Stromhaug, Kristoffer Wang | 0-1 | A06 | Fagernes International 2025 | 2025-04-14 |
| Olsen, William Alexander | Ingebretsen, Jens E | 1/2-1/2 | D35 | Eliteserien 24 25 | 2025-02-07 |
| Olsen, William Alexander | Tahay, Alexis | 0-1 | B90 | Round 3: Olsen, William Alexander - Tahay, Alexis | 2025-01-12 |
| Olsen, William Alexander | Thorfinnsson, Bjorn | 0-1 | C86 | 39th European Chess Club Cup | 2024-10-25 |
| Olsen, William Alexander | Young, Alan | 1-0 | E12 | 39th European Chess Club Cup | 2024-10-24 |
| Olsen, William Alexander | Halafov, Ilgar | 0-1 | E73 | 39th European Chess Club Cup | 2024-10-22 |
| Olsen, William Alexander | De Jong, Jan-Willem | 0-1 | D46 | 39th European Chess Club Cup | 2024-10-20 |
| Olsen, William Alexander | Riisem, Ãyvind | 1/2-1/2 | B33 | Landsturneringen i sjakk 2024 øvrige klasser | 2024-07-05 |
| Olsen, William Alexander | Al-Tarboush, Ward | 0-1 | B33 | Landsturneringen i sjakk 2024 øvrige klasser | 2024-07-03 |
| Olsen, William Alexander | Melaa, Sondre Lillestøl | 0-1 | D37 | Landsturneringen i sjakk 2024 øvrige klasser | 2024-07-02 |
| Olsen, William Alexander | Unneland, Mathias | 1-0 | D43 | Landsturneringen i sjakk 2024 øvrige klasser | 2024-06-29 |
| Olsen, William Alexander | Fiskaaen, Martin Holten | 1-0 | E11 | Eliteserien 2023 24 | 2024-03-09 |
| Olsen, William Alexander | Eliseev, Sergey | 0-1 | D15 | Norwegian Youth Championship 2023 B | 2023-11-19 |
| Olsen, William Alexander | Vollheim, Daniel O | 1-0 | C24 | Norwegian Youth Championship 2023 B | 2023-11-18 |
| Olsen, William Alexander | Mordt-Bratteng, Jakob | 1-0 | A06 | Norwegian Youth Championship 2023 B | 2023-11-17 |
| Olsen, William Alexander | Eliseev, Sergey | 1-0 | C27 | Eliteserien 2023 24 | 2023-10-28 |
| Olsen, William Alexander | Haug, Johannes | 0-1 | A40 | Eliteserien 2023 24 | 2023-10-27 |
| Olsen, William Alexander | Ji, Jiahao Eric | 1-0 | C00 | Norwegian Championship 2023 (Mester) | 2023-07-08 |
| Olsen, William Alexander | Fiskaaen, Martin Holten | 1/2-1/2 | B23 | Norwegian Championship 2023 (Mester) | 2023-07-06 |
| Olsen, William Alexander | Kjolberg, Jens Hjorth | 1-0 | C26 | Norwegian Championship 2023 (Mester) | 2023-07-03 |
| William Alexander Olsen | Frode Elsness | 0-1 | D30 | Round 8: William Alexander Olsen - Frode Elsness | 2023-01-08 |
| Olsen, William Alexander | Kvaloy, Aksel Bu | 0-1 | E04 | NM for Ungdom U og A-C | 2022-11-20 |
| Olsen, William Alexander | Ostensen, Nicolai Maxime | 1-0 | D50 | Krageroe Resort Chess 2020 ELO Group | 2020-02-23 |
| William Alexander Olsen | Christian Carlsen | 1-0 | B23 | Kragero Resort Chess 2020 | 2020-02-22 |
| Olsen, William Alexander | Shehzad, Alisha | 1/2-1/2 | B23 | Krageroe Resort Chess 2020 ELO Group | 2020-02-21 |
| Olsen, William Alexander | Johannessen, Martin T. | 1-0 | B23 | Krageroe Resort Chess 2020 ELO Group | 2020-02-20 |
| Olsen, William Alexander | Stromhaug, Kristoffer Wang | 1-0 | B31 | Krageroe Resort Chess 2020 ELO Group | 2020-02-19 |
| Olsen, William Alexander | Ostensen, Nicolai Maxime | 1-0 | E73 | Nordic Youth Chess Championship | |
| Olsen, William Alexander | Religa, Marek | 1-0 | A80 | Nordic Youth Chess Championship | |
| Olsen, William Alexander | Valpas, Jami | 1-0 | B27 | Nordic Youth Chess Championship |