Solution
18. ♛xd6 cxd6 19. ♝xd8 ♚c8 20. ♝a5
The position
This intermediate puzzle (rating 1530) 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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