1 games · 2021–2021 · 0 classical · 1 online

Koellner 10 draws0 Heldt

100.0% for Koellner

Openings between them

A45Trompowsky Attack: Classical Defense1100.0%

All games

Koellner, Ruben Gideon vs Heldt, Maximilian: head-to-head · Prep DB