Riff, Jn2387–Petkov, V2421½-½
12th Famalicao Open 2025 · Round 9.1 · 2025.07.27 · C67 Ruy Lopez: Open Berlin Defense, l'Hermet Variation · head-to-head →
Stockfish 18 Lite1 threads
on-device engine · eval graph, accuracy, blunders
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