Solution
73… ♜xa1 74. g8=♛ ♜h1+ 75. ♚g6 ♜g1+ 76. ♚f7 ♜xg8
The position
This easy puzzle (rating 1056) 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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