Solution
39. ♜d8+ ♚b7 40. ♞a5+ ♚xb6 41. ♞xc6
The position
This intermediate puzzle (rating 1447) asks White to move to find the winning idea. It features these themes: Fork.
It is White to move. Look for the tactic hiding in the position — Fork. 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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