if (window.location.hostname == "chessmind.ai" && !window.location.pathname.startsWith('/embed/')) { document.write('<iframe src="https://www.googletagmanager.com/ns.html?id=GTM-TS8C2C58" height="0" width="0" style="display:none;visibility:hidden"></iframe>'); }

Tournoi des Trois Vallées 2026 · Tournoi des Trois Vallées 2026 Round 3

Huseyin Sertbay (2145) vs GM Matthieu Cornette (2536)

Board 1. Result: 0-1. 37 moves. Opening: Queen's Indian Defense: Fianchetto Variation (E15).

Key moments

Move 25… g5 — swing
Move 26. Nc3 — blunder
Move 28. Na4 — decisive