Solution
30… ♛xf7 31. ♜xf7 e2 32. ♜e7 e1=♛
The position
This expert puzzle (rating 2236) asks Black to move to find the winning idea. It features these themes: Promotion.
It is Black to move. Look for the tactic hiding in the position — Promotion. 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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