WIM Diajeng Theresa Singgih (Indonesia) beat GM Nana Dzagnidze (Georgia) in round 5 of the 46th FIDE Chess Olympiad Samarkand 2026 (Women), in 69 moves.
The game turned on 30...N3c4. Before it, Stockfish had the position as a small edge for Black (-0.47); one move later, winning for White (+3.84). It was played with 0:32 left on the clock.
Stockfish wanted 30...Nxg2 instead. Can you see why?
The ratings said otherwise: Singgih was 198 points lower. It began as the Sicilian Defense: Delayed Alapin Variation, with d6.
Replay it move by move, then take the key position on against the engine.
- White
- WIM Diajeng Theresa Singgih, 2280 · Indonesia
- Black
- GM Nana Dzagnidze, 2478 · Georgia
- Result
- 1–0 in 69 moves
- Opening
- Sicilian Defense: Delayed Alapin Variation, with d6 · B50
- Event
- 46th FIDE Chess Olympiad Samarkand 2026, Women, Round 5 · Samarkand, Uzbekistan
- Key move: {0}
- 30...N3c4
- Engine’s choice
- 30...Nxg2