Solution
21. ♛xd8 ♞f3+ 22. ♚h1 ♞xd2 23. ♛xd2
The position
This advanced puzzle (rating 2087) 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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