Solution
43… ♞xf3 44. ♞g3 ♜e1+ 45. ♚g2 ♜g1+ 46. ♚xf3 ♜xg3+ 47. ♚xg3 h1=♛
The position
This intermediate puzzle (rating 1617) 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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