Solution
37. ♛f4 ♜g4 38. ♜xf5+ ♞xf5 39. ♛xf5+ ♚e7 40. ♛xg4
The position
This expert puzzle (rating 2459) 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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