Solution
19… ♞xf3 20. ♝xc7 ♞xe1+ 21. ♜xe1 ♝xc7
The position
This advanced puzzle (rating 1843) 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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