System Information 

Rosenthal-Silverstein System Summary Form, ACBL Convention Card 
DelMonte-F Kolesnik System Summary Form, ACBL Convention Card
Ginossar-Willenken System Summary Form, ACBL Convention Card


About the Players

Andrew Rosenthal
Andrew Rosenthal


Andrew Rosenthal, a lifetime New Yorker, graduated Collegiate School in 1980 and Pitzer college in 1984, studying theater.  He learned to play bridge as a child from his parents but didn’t start playing seriously until he was 30. Bridge highlights including winning the Red Ribbons with Jenni Hartsman (now Carmichael), The.Goldman Pairs with David Moss, coming in second in the 2019 Spingold and becoming USA2 in the 2019 Mixed Trials.

Aaron Silverstein


Aaron Silverstein is a well-known and popular New York area bridge teacher and 
player.  He has managed, directed and played in numerous New York bridge clubs for  the past 15 years.  Aaron has won numerous tournaments at the national, 
international, regional and local level.  He is a National Champion with over 20 years  experience teaching bridge both privately and in classroom settings.  He is a Grand  Life Master with over 16,000 master points.  He has been a certified director since 1987.  


Aaron is also on the National Appeals Committee and the National Laws 
Commission of the American Contract Bridge League and on the Board of Directors for the Greater New York Bridge Association.   Aaron is married to Gennifer Binder, also a bridge player, professional chef and attorney with whom he has a 12 year old daughter, Avery, a bridge director & player in the making.

Ish DelMonte


Finn Kolesnik
Finn Kolesnik (1)  
Eldad Ginossar
Chris Willenken
Chris Willenken

Born in New York City, Willenken graduated from Collegiate School in 1993 and Williams College in 1997. While at Williams, Willenken competed in the American Parliamentary Debate Association; he and Amanda Amert earned Team of The Year honors as the most successful partnership of the 1996-1997 season. Willenken is an American Contract Bridge League Grand Life Master and a World Bridge Federation Life Master. In 2011, he won the gold medal at the inaugural Sport Accord World Mind Games Individual Championship. In World Bridge Federation competition, Willenken reached the finals of the 2018 World Mixed Team Championship and the semifinals of the 2010 Rosenblum Cup and 2011 World Transnational Open Teams Championship. He also has five NABC+ wins to date, as well as in the 2013 Open USBC.