2022
Girls 9-11: Arunima Das Pradhan – India
Boys 9-11: Chittesh S. – India
Girls 12-14: Harini Kannan – India
Boys 12-14: Aarush Basak – India
Girls 15-17: Dharsini Kannan – India
Boys 15-17: Karan Joshi – India
United States
Senior – Women
United States
Senior – Men
United States
Adults – Women
India
Adults – Men
2021
United States
Adults – Women
India
Adults – Men
India
Girls 9-11
United States
Boys 9-11
India
Girls 12-14
India
Boys 12-14
India
Girls 15-17
India
Boys 15-17
United States
Senior Women
United States
Senior Men
2020
Italy
Adults – Women
Sweden
Adults – Men
2018
Italy
Adults – Women
United States
Adults – Men
United States
Youth – Girls
Italy
Youths – Boys
United States
Senior Men
United States
Senior Women
2016
Italy
USA
2014
United States
United States
2013
China
USA
2012
Singapore
United Kingdom
2011
Japan
United States
2010
United States
Netherlands
2009
United States
Singapore
2008
United States
Singapore
2007
United States
United States
2006
United States
United States
2005
China
United States
2003
United States