Solution
47. ♞xc7 ♞d4+ 48. ♚g4 a2 49. ♜e1 ♞c2 50. ♜xe6+ ♚f7 51. ♜a6 a1=♛ 52. ♜xa1
The position
This expert puzzle (rating 2390) asks White to move to find the winning idea. It features these themes: Hanging Piece.
It is White to move. Look for the tactic hiding in the position — Hanging Piece. 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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