Roth Open Swiss Teams
The Roth Open Swiss Teams is a North American bridge championship Swiss Teams event held at the summer American Contract Bridge League (ACBL) North American Bridge Championship (NABC). History
Known originally as the Open Swiss Teams, it is a national-rated event first held in 2005 and renamed in 2010 as the Roth Open Swiss Teams in honor of Al Roth. The event is a four-session Swiss teams, with two qualifying and two final sessions, typically starting on the second Saturday of the summer NABC; it is open. Scoring is by International Match Points (IMPs) that are converted to victory points. Winners

References

Sources
List of previous winners, Page 2

2007 winners, Page 1

2008 winners, Page 1

2019 winners, Page 1

External links
 

North American Bridge Championships