Solution
57. ♚e2 g2 58. ♚xf2 g1=♜ 59. ♚xg1 ♝xb7 60. axb7
The position
This intermediate puzzle (rating 1472) 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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