Solution
37… ♜xe3+ 38. fxe3 ♝f5 39. e4 f2
The position
This expert puzzle (rating 2263) asks Black to move to find the winning idea. It features these themes: Sacrifice, Quiet Move.
It is Black to move. Look for the tactic hiding in the position — Sacrifice, Quiet Move. 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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