15 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Tuominen, Matias | Lehtinen, Helja | 1/2-1/2 | E11 | new tournament description | 2026-02-28 |
| Tuominen, Matias | Hynna, Kevin | 1-0 | E91 | new tournament description | 2026-02-27 |
| Tuominen, Matias | Ristoja, Samu | 1/2-1/2 | E90 | new tournament description | 2026-02-27 |
| Tuominen, Matias | Halvorsen, Benjamin | 1-0 | A90 | Nordic Youth Chess Championships 2022: Class A - U20 | 2022-08-28 |
| Tuominen, Matias | Muntean, Victor | 1-0 | E63 | Nordic Youth Chess Championships 2022: Class A - U20 | 2022-08-28 |
| Tuominen, Matias | Koch-Muller, Oscar | 0-1 | E15 | Nordic Youth Chess Championships 2022: Class A - U20 | 2022-08-27 |