Solution
46… ♜a5+ 47. ♚xe6 ♜xh5 48. f5 ♚c7 49. f6 ♚d8 50. f7 ♜h6+ 51. ♚e5 ♚e7 52. f8=♜ ♚xf8
The position
This expert puzzle (rating 2319) asks Black to move to find the winning idea. It features these themes: Skewer, Rook Endgame.
It is Black to move. Look for the tactic hiding in the position — Skewer, 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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