GM Vincent Keymer (Germany) beat GM Jakhongir Vakhidov (Uzbekistan 2) in round 3 of the 46th FIDE Chess Olympiad Samarkand 2026 (Open), in 43 moves.
The game turned on 23.Rc1. Before it, Stockfish had the position as a clear advantage for Black (-1.92); one move later, winning for Black (-2.61). It was played with 1:10 left on the clock.
Stockfish wanted 23.f4 instead. Can you see why? And 23...Qa6, the engine's best reply, came straight back.
It began as the Bogo-Indian Defense: Wade-Smyslov Variation.
Replay it move by move, then take the key position on against the engine.
- White
- GM Jakhongir Vakhidov, 2527 · Uzbekistan 2
- Black
- GM Vincent Keymer, 2764 · Germany
- Result
- 0–1 in 43 moves
- Opening
- Bogo-Indian Defense: Wade-Smyslov Variation · E11
- Event
- 46th FIDE Chess Olympiad Samarkand 2026, Open, Round 3 · Samarkand, Uzbekistan
- Key move: {0}
- 23.Rc1
- Engine’s choice
- 23.f4