Solution
19… ♝f6 20. ♛f4 ♝xb2 21. ♞xe6 fxe6
The position
This intermediate puzzle (rating 1622) asks Black to move to find the winning idea. It features these themes: Skewer, Middlegame.
It is Black to move. Look for the tactic hiding in the position — Skewer, 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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