Solution
52. ♜xa6 ♚xa6 53. ♚c4 ♚b6 54. ♚d5 e4 55. fxe4 fxe4 56. ♚xe4 ♚c7 57. ♚e5
The position
This intermediate puzzle (rating 1545) asks White to move to find the winning idea. It features these themes: Rook Endgame.
It is White 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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