Solution
38… ♞e3+ 39. ♚f3 ♞d1 40. ♛f8+ ♚a7
The position
This expert puzzle (rating 2497) asks Black to move to find the winning idea. It features these themes: Pin.
It is Black 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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