Oleksandr Bortnyk: 14.Be4? (blitz, 2026-08-28)

Deep puzzles: what the analysis missed

8 moves

Oleksandr Bortnyk to move, White. Lichess's analysis gave the move played no mark (+2.27 before, +1.95 after). A 20-million-node search calls it a mistake, 11 win-chance points against a best move that is unique. Find it before opening the sideline.

The game move. Lichess: +2.27 to +1.95, no label. At 20M nodes: inaccuracy, 5.7 win% given up, 11 points worse than Ng5.