Solution
17… ♝xf3 18. gxf3 ♜d5 19. ♝xf6 ♝xf6 20. ♝c4 ♜g5+ 21. ♚h1 ♝xa1
The position
This advanced puzzle (rating 2060) 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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