Solution
45. ♜xb6 ♜xb6 46. ♜xb6 ♚xb6 47. ♚f3 ♚c6 48. ♚e4 ♚d7 49. ♚f5 ♚e7 50. ♚g6
The position
This intermediate puzzle (rating 1433) 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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