61 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Nieminen, Oliver | Agopov, Mikael | 0-1 | B90 | Round 1: Nieminen, Oliver - Agopov, Mikael | 2026-07-14 |
| Nieminen, Oliver | Akhmet, Suleyman | 0-1 | B21 | Round 11: Nieminen, Oliver - Akhmet, Suleyman | 2026-06-26 |
| Nieminen, Oliver | Peric, Toman | 1-0 | D35 | Round 9: Nieminen, Oliver - Peric, Toman | 2026-06-24 |
| Nieminen, Oliver | Yu, Raphael Si-Wei | 0-1 | B44 | Round 7: Nieminen, Oliver - Yu, Raphael Si-Wei | 2026-06-22 |
| Nieminen, Oliver | Vesterbaek, Noah Rath | 1-0 | C45 | Round 5: Nieminen, Oliver - Vesterbaek, Noah Rath | 2026-06-19 |
| Nieminen, Oliver | Frisch, Jan Raphael | 1-0 | B12 | Round 3: Nieminen, Oliver - Frisch, Jan Raphael | 2026-06-17 |
| Nieminen, Oliver | Lacan Rus, David | 0-1 | B33 | Round 1: Nieminen, Oliver - Lacan Rus, David | 2026-06-15 |
| Nieminen, Oliver | Ral Lustig, Melvin | 1-0 | B03 | Nordisk Mesterskab gruppe C | 2026-02-15 |
| Nieminen, Oliver | Christensen, Uno Kolby | 1-0 | B06 | Nordisk Mesterskab gruppe C | 2026-02-12 |
| Nieminen, Oliver | Sandmann, Villads Majvang | 0-1 | B90 | Nordisk Mesterskab gruppe C | 2026-02-08 |
| Nieminen, Oliver | Tkachov, Mykhailo | 1-0 | C60 | Round 7: Nieminen, Oliver - Tkachov, Mykhailo | 2026-01-05 |
| Nieminen, Oliver | Levanov, Nikolay | 1-0 | B12 | Round 5: Nieminen, Oliver - Levanov, Nikolay | 2026-01-04 |
| Nieminen, Oliver | Heino, Joona | 0-1 | B12 | Round 1: Nieminen, Oliver - Heino, Joona | 2026-01-03 |
| Nieminen, Oliver | Paksai, Csongor | 1-0 | C02 | Round 3: Nieminen, Oliver - Paksai, Csongor | 2026-01-03 |
| Nieminen, Oliver | Oksanen, Maria | 1-0 | B76 | Nuorten SM 2025, U14 | 2025-06-08 |
| Nieminen, Oliver | Tkachov, Mykhailo | 1-0 | C60 | Nuorten SM 2025, U14 | 2025-06-06 |
| Nieminen, Oliver | Reunanen, Emil | 1-0 | C42 | Nuorten SM 2025, U14 | 2025-06-05 |
| Nieminen, Oliver | Vorobyov, Radmir | 0-1 | B15 | Nuorten SM 2025, U14 | 2025-05-07 |
| Nieminen, Oliver | Margolin-Herman, Ofek | 1-0 | B90 | EYCC 2024 Blitz O12 | 2024-08-20 |
| Nieminen, Oliver | Beniosev, Daniel | 0-1 | B49 | EYCC 2024 Blitz O12 | 2024-08-20 |
| Nieminen, Oliver | Toledo, Hillel | 0-1 | B45 | EYCC 2024 Blitz O12 | 2024-08-20 |
| Nieminen, Oliver | Pavlyk, Maksym | 1/2-1/2 | B12 | EYCC 2024 Blitz O12 | 2024-08-19 |
| Nieminen, Oliver | Gersemann, Karl | 0-1 | C47 | EYCC 2024 Blitz O12 | 2024-08-19 |
| Oliver Nieminen | Tuomas Rantala | 1-0 | C45 | Round 7: Oliver Nieminen - Tuomas Rantala | 2023-06-11 |
| Oliver Nieminen | Maria Oksanen | 0-1 | B76 | Round 5: Oliver Nieminen - Maria Oksanen | 2023-06-10 |
| Oliver Nieminen | Radmir Vorobyov | 1-0 | C67 | Round 3: Oliver Nieminen - Radmir Vorobyov | 2023-06-09 |
| Oliver Nieminen | Archishman Das | 1-0 | C44 | Round 1: Oliver Nieminen - Archishman Das | 2023-06-08 |
| Oliver Nieminen | Baldur Bjarnason Jørgensen | 1-0 | B01 | Nordic Youth Championship 2023 | 2023-02-19 |
| Oliver Nieminen | Victor Lilliehöök | 1-0 | B76 | Nordic Youth Championship 2023 | 2023-02-19 |
| Oliver Nieminen | Jiabao Eivind Ji | 0-1 | C02 | Nordic Youth Championship 2023 | 2023-02-17 |
| Nieminen, Oliver | Lilliehook, Victor | 1-0 | B23 | Nordic Youth Chess Championship | |
| Nieminen, Oliver | Hallmundarson, Birkir | 1/2-1/2 | B31 | Nordic Youth Chess Championship | |
| Nieminen, Oliver | Tharmarai, Yohan | 1/2-1/2 | B23 | Nordic Youth Chess Championship |