10th Semana Santa Open · Round 8.9 · 2026.04.05 · A28 English Opening: King's English Variation, Four Knights Variation, Flexible Line · head-to-head →
Stockfish 18 Lite1 threads
on-device engine · eval graph, accuracy, blunders
Open in explorer←/→ moves · ↑/↓ variations · drag pieces to branch