Solution
17… ♛xa3 18. ♝c4 ♝xc3 19. ♛xc3 ♛xc3 20. ♝xe6+ ♜f7
The position
This advanced puzzle (rating 1858) asks Black to move to find the winning idea. It features these themes: Middlegame, Fork.
It is Black to move. Look for the tactic hiding in the position — Middlegame, Fork. 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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