Solution
57. ♜xe7 ♚xe7 58. cxb6 cxb6 59. ♚h4
The position
This advanced puzzle (rating 2193) 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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