Solution
37. ♜c8 ♚f8 38. ♞f6 gxf6 39. ♛xf6 ♜d3 40. ♛h8+
The position
This expert puzzle (rating 2478) asks White to move to find the winning idea. It features these themes: Sacrifice, Pin.
It is White to move. Look for the tactic hiding in the position — Sacrifice, Pin. 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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