1 games · 2025–2025 · 1 classical · 0 online
Koster 10 draws0 Mesropyan
100.0% for Koster
Openings between them
| D37 | Queen's Gambit Declined: Harrwitz Attack, Main Line | 1 | 100.0% |
All games
| Koster, R2302 | 1-0 | Mesropyan, Hayk2136 | 15th London Classic Open | 2025 |