Solution
77. ♚xg5 ♚e6 78. ♚g6 ♚e7 79. ♚g7
The position
This intermediate puzzle (rating 1555) asks White to move to find the winning idea. It features these themes: Hanging Piece.
It is White to move. Look for the tactic hiding in the position — Hanging Piece. 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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