46th FIDE Chess Olympiad 2026 · Open Round 11
Marc Mertens (2116) vs IM Alberto Santos Flores (2164)
Board 4, Luxembourg – Ecuador. Result: 0-1. 71 moves. Opening: French Defense: Tarrasch Variation, Open System, Euwe-Keres Line (C07).
Key moments
- Move 30. Qxe1 — blunder
- Move 43. Ke1 — decisive
- Move 52. Nf2 — blunder