Alireza Firouzja: 57.Bc4? (blitz, 2024-05-18)

Deep puzzles: what the analysis missed

8 手

Alireza Firouzja to move, White. Lichess's analysis gave the move played no mark (-0.78 before, -0.85 after). A 20-million-node search calls it a blunder, 16 win-chance points against a best move that is unique. Find it before opening the sideline.

The game move. Lichess: -0.78 to -0.85, no label. At 20M nodes: mistake, 13.9 win% given up, 16 points worse than Be4.