Solution
45… ♚g3 46. ♛g4+ hxg4 47. fxg4 d1=♛+
The position
This intermediate puzzle (rating 1633) 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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