22 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Koenig, Marius | Huebner, Paul | 0-1 | E12 | Round 4: Koenig, Marius - Huebner, Paul | 2026-07-24 |
| Koenig, Marius | Schroeder, Liam Maddox | 1-0 | D10 | DEM U12 2026 | 2026-05-29 |
| Koenig, Marius | Seegebrecht, Johann | 1/2-1/2 | D53 | DEM U12 2026 | 2026-05-27 |
| Koenig, Marius | Smilenko, Volodymyr | 0-1 | D31 | DEM U12 2026 | 2026-05-26 |
| Koenig, Marius | Salim, Florian | 0-1 | E90 | DEM U12 2026 | 2026-05-24 |
| König, Marius | Roessling, Johannes | 1/2-1/2 | C80 | DEM U10 2024 | 2024-05-24 |
| König, Marius | Kandora, William | 1/2-1/2 | C66 | DEM U10 2024 | 2024-05-23 |
| König, Marius | Koebel, John | 1-0 | B48 | DEM U10 2024 | 2024-05-22 |
| König, Marius | Loeffelholz, Jonas | 0-1 | B92 | DEM U10 2024 | 2024-05-20 |
| König, Marius | Elli, Emeric | 0-1 | D15 | DEM U10 2024 | 2024-05-19 |