Solution
37. ♜e5+ ♚d7 38. ♜xe8 ♚xe8 39. ♚f3 ♚f7 40. c3 d3 41. ♚xe3
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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