Solution
25. ♞f6 ♛f8 26. ♜g8 ♛xg8 27. ♞xg8
The position
This advanced puzzle (rating 2041) asks White to move to find the winning idea. It features these themes: Pin.
It is White to move. Look for the tactic hiding in the position — Pin. 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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