46th FIDE Chess Olympiad 2026 · Open Round 10
John Costello (1832) vs Henry Marwa Michael (1807)
Board 2, Isle of Man – Tanzania. Result: 0-1. 71 moves. Opening: King's Indian Defense: Normal Variation, Rare Defenses (E90).
Key moments
- Move 47. Kd2 — blunder
- Move 55… g5 — blunder
- Move 64. Bc8 — blunder