GM Ding Liren (China) beat GM Vincent Keymer (Germany) in round 6 of the 46th FIDE Chess Olympiad Samarkand 2026 (Open), in 50 moves.
The game turned on 39...a4. Before it, Stockfish had the position as a small edge for White (+1.00); one move later, winning for White (+3.29). It was played with 0:55 left on the clock.
Stockfish wanted 39...Bd7 instead. Can you see why? And 40.f5, the engine's best reply, came straight back.
It began as the King's Indian Attack.
Replay it move by move, then take the key position on against the engine.
- White
- GM Ding Liren, 2733 · China
- Black
- GM Vincent Keymer, 2764 · Germany
- Result
- 1–0 in 50 moves
- Opening
- King's Indian Attack · A05
- Event
- 46th FIDE Chess Olympiad Samarkand 2026, Open, Round 6 · Samarkand, Uzbekistan
- Key move: {0}
- 39...a4
- Engine’s choice
- 39...Bd7