Solution
20. ♝xe3 ♛xe3 21. ♝xa8 ♛h3+ 22. ♚g1 ♝g5 23. ♝g2
The position
This intermediate puzzle (rating 1657) 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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