46th FIDE Chess Olympiad 2026 · Open Round 10
FM Matias Haziel Lizano Quiros (2169) vs CM Alex Bullen (2096)
Board 4, Costa Rica – Wales. Result: 0-1. 49 moves. Opening: Caro-Kann Defense: Advance Variation, Bayonet Attack (B12).
Key moments
- Move 23… Nxe5 — blunder
- Move 41. Rg5 — blunder
- Move 42. Rg2 — blunder