Bosma, Ac1866–Suranyi, P20640-1
15th Rheinland-Pfalz Open · Round 2.26 · 2025.06.19 · D04 Queen's Pawn Game: Colle System, Grünfeld Formation · head-to-head →
Stockfish 18 Lite1 threads
on-device engine · eval graph, accuracy, blunders
Open in explorer←/→ moves · ↑/↓ variations · drag pieces to branch