Solution
21. ♛c3+ e5 22. ♜a1 ♛xa1+ 23. ♛xa1
The position
This advanced puzzle (rating 1910) asks White to move to find the winning idea. It features these themes: Trapped Piece.
It is White to move. Look for the tactic hiding in the position — Trapped Piece. 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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