Solution
49. ♞xf6 ♚xf6 50. ♚d5 h4 51. ♚e4 h3 52. ♚f3 h2 53. ♚g2
The position
This advanced puzzle (rating 2001) asks White to move to find the winning idea. It features these themes: Tactics.
It is White to move. Look for the tactic hiding in the position — Tactics. 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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