Biro, S2091–Chevelevitch, E2299½-½
33rd World Senior 65+ · Round 3.20 · 2025.10.23 · C77 Ruy Lopez: Morphy Defense, Mackenzie Variation · head-to-head →
Stockfish 18 Lite1 threads
on-device engine · eval graph, accuracy, blunders
Open in explorer←/→ moves · ↑/↓ variations · drag pieces to branch