2 games · 2023–2025 · 1 classical · 0 online
Halvax 02 draws0 Koellner
50.0% for Halvax
Openings between them
| A05 | Zukertort Opening: Quiet System | 1 | 50.0% |
| D37 | Queen's Gambit Declined: Harrwitz Attack, Fianchetto Defense | 1 | 50.0% |
All games
| Halvax, G2440 | ½-½ | Koellner, Ruben Gideon2503 | TCh-AUT Rapid 2025 | 2025 |
| Halvax, G2432 | ½-½ | Koellner, Ruben Gideon2403 | Bundesliga 2022-23 | 2023 |