Solution
47. a7 ♜xa7+ 48. ♚xa7 h4 49. ♚b6 ♚h6 50. ♚c5 h3 51. ♚d4
The position
This advanced puzzle (rating 2159) asks White to move to find the winning idea. It features these themes: Rook Endgame.
It is White to move. Look for the tactic hiding in the position — Rook Endgame. 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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