Dmitry Andreikin: 47...Ka4? (blitz, 2026-08-28)

Deep puzzles: what the analysis missed

8 手

Dmitry Andreikin to move, Black. Lichess's analysis gave the move played no mark (-0.79 before, -0.75 after). A 20-million-node search calls it a blunder, 18 win-chance points against a best move that is unique. Find it before opening the sideline.

The game move. Lichess: -0.79 to -0.75, no label. At 20M nodes: mistake, 11.6 win% given up, 18 points worse than c5.