Solution
36. ♚xd3 ♚e5 37. h4 h6 38. g4
The position
This expert puzzle (rating 2338) asks White to move to find the winning idea. It features these themes: Zugzwang, Quiet Move.
It is White to move. Look for the tactic hiding in the position — Zugzwang, Quiet Move. 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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