Round 4: Koellner, Ruben Gideon - Petrov, Nikita · Round 4.15
Koellner, Ruben Gideon · 0–1 · Petrov, Nikita
May 31, 2025 · D04 · Queen's Pawn Game: Colle System
PGN
PGN body not stored locally. View at the original source.
Round 4: Koellner, Ruben Gideon - Petrov, Nikita · Round 4.15
May 31, 2025 · D04 · Queen's Pawn Game: Colle System
PGN body not stored locally. View at the original source.