Solution
38. ♜h7+ ♚f8 39. ♞e6+ ♚g8 40. ♜g7+ ♚h8 41. ♞f7#
The position
This intermediate puzzle (rating 1684) asks White to move to find the winning idea. It features these themes: Fork, Mate in 4.
It is White to move. Look for the tactic hiding in the position — Fork, Mate in 4. 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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