Solution
43… ♞xc6 44. bxc6 b5 45. ♚g4 b4
The position
This advanced puzzle (rating 1997) asks Black to move to find the winning idea. It features these themes: Quiet Move.
It is Black to move. Look for the tactic hiding in the position — Quiet Move. 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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