2 games · 2020–2026 · 1 classical · 1 online
Koellner 10 draws1 Abdurakhmonov
50.0% for Koellner
Openings between them
| C41 | Philidor Defense: Lion Variation | 1 | 0.0% |
| D04 | Queen's Pawn Game: Colle System, Anti-Colle | 1 | 100.0% |
All games
| Koellner, Ruben Gideon2506 | 1-0 | Abdurakhmonov, Mukhammadali2362 | grenke Chess Open 2026 | 2026 |
| Abdurakhmonov, Mukhammadali2284 | 1-0 | Koellner, Ruben Gideon2412 | Titled Tuesday 24th Nov | 2020 |