Solution
20… f5 21. ♛g3 ♞e2+ 22. ♚h2 ♞xg3
The position
This expert puzzle (rating 2262) 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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