Solution
34… ♜d1+ 35. ♚g2 ♜a1 36. ♜b3 ♜xa3 37. ♜xa3 c1=♛
The position
This advanced puzzle (rating 2081) 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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