2 games · 2017–2025 · 1 classical · 0 online
Koellner 10 draws1 Degenhard
50.0% for Koellner
Openings between them
| A45 | Trompowsky Attack | 1 | 0.0% |
| C41 | Philidor Defense: Lion Variation | 1 | 100.0% |
All games
| Degenhard, Simon2286 | 0-1 | Koellner, Ruben Gideon2524 | Rainer Radtke Mem Rapid | 2025 |
| Koellner, Ruben Gideon2147 | 0-1 | Degenhard, Simon2183 | TCh-GER Junior U20 2017 | 2017 |