Solution
43… ♚g6 44. ♞xf4+ exf4 45. d7 ♝xd7
The position
This intermediate puzzle (rating 1618) asks Black to move to find the winning idea. It features these themes: Trapped Piece.
It is Black to move. Look for the tactic hiding in the position — Trapped Piece. Drag a piece on the board to play your move; the puzzle will tell you if you found the best continuation.
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