13 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Keller, Harald | Okrajek, Alexander | 1/2-1/2 | B15 | Round 2: Keller, Harald - Okrajek, Alexander | 2026-07-18 |
| Keller, Harald | Witke, Thomas | 1/2-1/2 | B13 | Round 7: Keller, Harald - Witke, Thomas | 2026-07-02 |
| Keller, Harald | Ramin, Michael | 1-0 | C25 | Round 6: Keller, Harald - Ramin, Michael | 2026-07-01 |
| Keller, Harald | Nehmert, Ulrich | 1/2-1/2 | B12 | Round 4: Keller, Harald - Nehmert, Ulrich | 2024-08-26 |
| Harald Keller | Wolfram, Dr. Heinig | 0-1 | B12 | Round 7: Harald Keller - Wolfram, Dr. Heinig | 2022-08-18 |
| Harald Keller | Wilfried, Dr. Beilfuss | 1/2-1/2 | B25 | Round 5: Harald Keller - Wilfried, Dr. Beilfuss | 2022-08-16 |