Solution
17… ♝xc3 18. bxc3 ♞xb5 19. axb5 ♛xa1
The position
This advanced puzzle (rating 2097) asks Black to move to find the winning idea. It features these themes: Middlegame.
It is Black to move. Look for the tactic hiding in the position — Middlegame. 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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