Solution
38… ♚d7 39. ♜c7+ ♚d6 40. ♜a7 ♜bxb6 41. ♜xa6 ♜xa6
The position
This expert puzzle (rating 2239) asks Black to move to find the winning idea. It features these themes: Rook Endgame.
It is Black 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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