Kappeler, K2152Drechsler, C20780-1

58th Biel Rapid Open · Round 8.8 · 2025.07.13 · E04 Catalan Opening: Open Defense · head-to-head →

Stockfish 18 Lite1 threads
on-device engine · eval graph, accuracy, blunders
Open in explorer←/→ moves · ↑/↓ variations · drag pieces to branch