Solution
12… ♞xe4 13. ♞xe4 ♜e8 14. f3 f5
The position
This advanced puzzle (rating 1840) asks Black to move to find the winning idea. It features these themes: Middlegame, Pin.
It is Black to move. Look for the tactic hiding in the position — Middlegame, 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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