46th FIDE Chess Olympiad 2026 · Open Round 9
GM Sandro Mareco (2551) vs IM Andre Ventura Sousa (2451)
Board 2, Argentina – Portugal. Result: 1-0. 56 moves. Opening: Ruy Lopez: Berlin Defense, Anti-Berlin Variation (C65).
Key moments
- Move 15… Qf6 — swing
- Move 53. Kh4 — blunder
- Move 53… Nf4 — blunder