Ashton, A2274–Costello, C18761-0
Harry Lamb Mem 2025 · Round 1.3 · 2025.08.15 · C80 Ruy Lopez: Open, Bernstein Variation · head-to-head →
Stockfish 18 Lite1 threads
on-device engine · eval graph, accuracy, blunders
Open in explorer←/→ moves · ↑/↓ variations · drag pieces to branch