If by "tiebreaker" you mean - we each won a location and tied in the third location - then here is your answer:
The person who has a higher overall total point value is the winner.
Visually, this means that your winning location had a broader point difference than your losing location. E.g. you lost one location by 5, but you won the other location by 10.
I've won most of the time breakers I've been involved in. But I don't really know why.
If by "tiebreaker" you mean - we each won a location and tied in the third location - then here is your answer:
The person who has a higher overall total point value is the winner.
Visually, this means that your winning location had a broader point difference than your losing location. E.g. you lost one location by 5, but you won the other location by 10.