Solution
37. ♛d8+ ♚a7 38. ♜c8 ♛xc8 39. ♛xc8
The position
This intermediate puzzle (rating 1658) asks White to move to find the winning idea. It features these themes: Quiet Move, Clearance.
It is White to move. Look for the tactic hiding in the position — Quiet Move, Clearance. 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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