Jerry (ChessNetwork): 28.c4? (blitz, 2026-08-19)

Deep puzzles: what the analysis missed

6 moves

Jerry (ChessNetwork) to move, White. Lichess's analysis gave the move played no mark (+0.00 before, +0.00 after). A 20-million-node search calls it a blunder, 23 win-chance points against a best move that is unique. Find it before opening the sideline.

The game move. Lichess: +0.00 to +0.00, no label. At 20M nodes: inaccuracy, 8.4 win% given up, 23 points worse than h4.