Solution
57. c6+ ♚c8 58. ♚e6 ♝e1 59. d7+ ♚c7 60. ♚e7 ♝b4+ 61. ♚e8
The position
This advanced puzzle (rating 2199) asks White to move to find the winning idea. It features these themes: Bishop Endgame.
It is White to move. Look for the tactic hiding in the position — Bishop 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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