Schweitzer, O1999–Thorens, Johan16571-0
58th Biel Rapid Open · Round 1.45 · 2025.07.13 · C47 Four Knights Game: Halloween Gambit · head-to-head →
Stockfish 18 Lite1 threads
on-device engine · eval graph, accuracy, blunders
Open in explorer←/→ moves · ↑/↓ variations · drag pieces to branch