Solution
20. ♝xe4 ♝xe4 21. ♛g4 ♝g6 22. ♞c6
The position
This expert puzzle (rating 2324) asks White to move to find the winning idea. It features these themes: Middlegame.
It is White 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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