3 games · 2017–2025 · 3 classical · 0 online
Biro 11 draws1 Welling
50.0% for Biro
Openings between them
| A04 | Zukertort Opening: Black Mustang Defense | 1 | 100.0% |
| A48 | Queen's Pawn Game: Barry Attack, Grünfeld Variation | 1 | 0.0% |
| B10 | Caro-Kann Defense | 1 | 50.0% |
All games
| Welling, G2206 | 1-0 | Biro, S2091 | 33rd World Senior 65+ | 2025 |
| Biro, S2196 | ½-½ | Welling, G2310 | 19th ch-Euro Seniors +50 | 2019 |
| Welling, G2316 | 0-1 | Biro, S2168 | World Senior 50+ 2017 | 2017 |