Solution
42… g5 43. f5+ ♚xe5 44. b5 axb5
The position
This advanced puzzle (rating 1803) 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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