Solution
17… ♝b5 18. ♜c1+ ♚b8 19. ♜c2 ♜c8 20. ♜xc8+ ♚xc8
The position
This expert puzzle (rating 2201) asks Black to move to find the winning idea. It features these themes: Clearance.
It is Black to move. Look for the tactic hiding in the position — Clearance. 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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