Solution
54… ♜xd4 55. exd4 ♚b5 56. g3 a2
The position
This expert puzzle (rating 2381) asks Black to move to find the winning idea. It features these themes: Sacrifice.
It is Black to move. Look for the tactic hiding in the position — Sacrifice. 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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