Solution
62… e3+ 63. ♚xc3 e2 64. ♝g3 f1=♛
The position
This advanced puzzle (rating 2055) asks Black to move to find the winning idea. It features these themes: Promotion, Sacrifice.
It is Black to move. Look for the tactic hiding in the position — Promotion, Sacrifice. 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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