Abdallah, Mohamed Khalil2257–Efimov, Leonid23310-1

World Youth Open U18 2026 · Round 11.23 · 2026.06.26 · E04 Catalan Opening: Open Defense · head-to-head →

Stockfish 18 Lite1 threads
on-device engine · eval graph, accuracy, blunders
Open in explorer←/→ moves · ↑/↓ variations · drag pieces to branch
Abdallah, Mohamed Khalil vs Efimov, Leonid, World Youth Open U18 2026 2026 · Prep DB