Solution
48… axb3 49. axb3 ♚d4 50. g4 ♚c3 51. ♚g6 ♚xb3
The position
This intermediate puzzle (rating 1509) asks Black to move to find the winning idea. It features these themes: Pawn Endgame.
It is Black to move. Look for the tactic hiding in the position — Pawn 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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