Sweep the board
Definition 1 of 1
Pro Tip 1/3Complete Victory
Used to express winning all that's possible, leaving nothing for others. 
She swept the board in the chess tournament.
Pro Tip 2/3Strong Connotation
Implies a dominant, impressive achievement, often beyond expectations. 
The app swept the board at the Tech Innovation Awards.
Pro Tip 3/3Not Literal
It's a metaphor for success, not related to the physical act of sweeping. 
Their political party swept the board at the polls.
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