Solution
40. ♝c6 ♚f7 41. ♝xb5 ♝f5 42. c4
The position
This advanced puzzle (rating 2176) 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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