Solution
19… ♛g1+ 20. ♚d2 ♛xb1
The position
This beginner puzzle (rating 904) 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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