Turn the tables
Meaning
Reverse a situation to gain advantage.
Usage
Used when fortunes change unexpectedly.
Origin & History
Origins and dates here are approximate summaries. Many idioms have disputed or unknown origins, and not every date has been checked against a historical dictionary, so treat specific dates and stories as a starting point rather than a citation.
Board game imagery where flipping the board switches control.
Used since at least the 17th century to describe reversals.