Solution
38. ♜xd8+ ♚xd8 39. ♜a8+ ♚e7 40. ♜xg8
The position
This intermediate puzzle (rating 1413) asks White to move to find the winning idea. It features these themes: Skewer, Attraction.
It is White to move. Look for the tactic hiding in the position — Skewer, Attraction. 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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