46th FIDE Chess Olympiad 2026 · Open Round 8
Mohamed Abdou (1806) vs John Costello (1832)
Board 2, Comoros Islands – Isle of Man. Result: 0-1. 29 moves. Opening: Grünfeld Defense: Russian Variation (D96).
Key moments
- Move 14. Qxc6 — blunder
- Move 15… a6 — blunder
- Move 23. Ke4 — blunder