Solution
43… ♚e7 44. ♚b4 ♛b2+ 45. ♚a4 b5+ 46. ♚a5 ♛xa3+
The position
This advanced puzzle (rating 2085) asks Black to move to find the winning idea. It features these themes: Pin.
It is Black to move. Look for the tactic hiding in the position — Pin. 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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