Solution
38… ♜4e7 39. ♛d3 ♜e1+ 40. ♚xb2 ♜b8+ 41. ♚a3 ♜e3
The position
This expert puzzle (rating 2452) 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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