9 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Koeller, Bernd | Doncevic, Dario | 0-1 | A45 | 20. RLP-Senioren-Open | 2023-09-12 |
| Koeller, Bernd | Kalepky, Helmut | 0-1 | A45 | 20. RLP-Senioren-Open | 2023-09-10 |
| Koeller, Bernd | Pfaff, Helmut | 1-0 | D55 | 20. RLP-Senioren-Open | 2023-09-08 |
| Koeller, Bernd | Bruziks, George | 0-1 | A45 | 20. RLP-Senioren-Open | 2023-09-06 |