Solution
55… gxf2 56. b7+ ♚a7 57. b8=♛+ ♚xb8
The position
This intermediate puzzle (rating 1770) asks Black to move to find the winning idea. It features these themes: Hanging Piece.
It is Black to move. Look for the tactic hiding in the position — Hanging 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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