13 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Thiemann, Marc | Stein, Robert | 0-1 | C24 | Grenke Chess Festival 2026 Open | 2026-04-02 |
| Thiemann, Marc | Droesser, Paul Maria Georg | 1/2-1/2 | C02 | Round 2: Thiemann, Marc - Droesser, Paul Maria Georg | 2025-06-07 |
| Marc Thiemann | Nelson Strehse | 0-1 | C24 | Round 6: Marc Thiemann - Nelson Strehse | 2023-12-30 |
| Marc Thiemann | Manuel Kamps | 1-0 | B12 | Round 3: Marc Thiemann - Manuel Kamps | 2023-12-28 |
| Marc Thiemann | Anna Heidtkamp | 1-0 | C24 | Round 1: Marc Thiemann - Anna Heidtkamp | 2023-12-27 |