1 games · 2020–2020 · 0 classical · 1 online
Mattenberger 10 draws0 Heron
100.0% for Mattenberger
Openings between them
| E73 | King's Indian Defense: Averbakh Variation, Nc6 Defense | 1 | 100.0% |
All games
| Mattenberger, Matthias1902 | 1-0 | Heron, Steve1580 | 44th Zurich Christmas | 2020 |