Solution
39. ♛a3+ ♚e8 40. ♜b8+ ♝c8 41. ♜xc8+ ♚d7 42. ♜xf8
The position
This advanced puzzle (rating 2139) asks White to move to find the winning idea. It features these themes: Skewer, Deflection.
It is White to move. Look for the tactic hiding in the position — Skewer, Deflection. 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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