Solution
18. ♞xf6 ♜c8 19. ♛xd7+ ♛xd7 20. ♞xd7
The position
This easy puzzle (rating 1302) asks White to move to find the winning idea. It features these themes: Middlegame, Pin.
It is White to move. Look for the tactic hiding in the position — Middlegame, Pin. 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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