Solution
52… ♜c6+ 53. ♚b2 ♜xc1 54. ♚xc1 h4 55. gxh4 gxh4
The position
This advanced puzzle (rating 1819) asks Black to move to find the winning idea. It features these themes: Rook Endgame.
It is Black to move. Look for the tactic hiding in the position — Rook Endgame. 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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