Solution
13. ♞b5 f6 14. ♞xc7 ♛d8 15. ♞e6
The position
This expert puzzle (rating 2359) asks White to move to find the winning idea. It features these themes: Middlegame, Fork.
It is White to move. Look for the tactic hiding in the position — Middlegame, 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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