Solution
42… c3 43. ♜xh7 c2 44. ♜xd7+ ♚a6
The position
This advanced puzzle (rating 2177) asks Black to move to find the winning idea. It features these themes: Sacrifice.
It is Black to move. Look for the tactic hiding in the position — Sacrifice. 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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