20 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Halmeenmaki, Tuomo | Moor, Roger | 0-1 | D87 | Round 3: Halmeenmaki, Tuomo - Moor, Roger | 2026-04-14 |
| Tuomo Halmeenmaki | Viktor Moskalenko | 0-1 | A41 | Round 1: Tuomo Halmeenmaki - Viktor Moskalenko | 2023-12-01 |
| Halmeenmaki, Tuomo | Atalik, Suat | 0-1 | E11 | 50+ World Senior Championship | 2023-10-25 |
| Halmeenmaki, Tuomo | Golubka, Petro | 0-1 | E12 | 9 Rounds - Swiss | 2023-10-20 |
| Halmeenmaki, Tuomo | Perets, Dmytro | 1-0 | A57 | 9 Rounds - Swiss | 2023-10-18 |
| Halmeenmaki, Tuomo | Thorsen, Adrian Stenstrop | 1-0 | D45 | 9 Rounds - Swiss | 2023-10-16 |
| Halmeenmaki, Tuomo | Kistrup, Nicolai | 1/2-1/2 | D37 | 9 Rounds - Swiss | 2023-10-14 |
| Halmeenmaki, Tuomo | Rakhmangulova, Anastasiya | 1/2-1/2 | A05 | II CHESSABLE SUNWAY FORMENTERA | 2023-04-28 |
| Halmeenmaki, Tuomo | Ibanez Aullana, Ramon | 0-1 | A13 | II CHESSABLE SUNWAY FORMENTERA | 2023-04-24 |
| Halmeenmaki, Tuomo | Jonkman, Harmen | 0-1 | A07 | Formentera 2023 | 2023-04-19 |