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46th FIDE Chess Olympiad 2026 · Open Round 4

GM Oscar De La Riva Aguado (2428) vs IM Dau Khuong Duy (2509)

Board 1, Andorra – Vietnam. Result: 0-1. 29 moves. Opening: Sicilian Defense: Nyezhmetdinov-Rossolimo Attack (B30).

Key moments

Move 15… Qh5 — swing
Move 27. Qf4 — swing
Move 29. Nb7 — blunder