NATwA Championship Tournaments


North American Singles

Year Venue Champion Single Top National
(if champion is not US)
2nd 3rd
1972 Lake Mohegan NY Bob Henninge Severin Drix Bill Renke
1973 Lake Mohegan NY Bill Renke Ross Callon Bob Henninge
1974 Cambridge MA Severin Drix Ross Callon Dave Lockwood
1975 Cambridge MA Severin Drix Ferd Jim Marlin
1976 Cambridge MA Sunshine Dave Lockwood Jim Marlin
1977 Silver Spring MD Dave Lockwood Bob Henninge Severin Drix
1978 Baltimore MD Dave Lockwood Bob Henninge Larry Kahn
1979 Cambridge MA Severin Drix Joe Sachs Dave Lockwood
1980 Silver Spring MD Pam Knowles Larry Kahn Dave Lockwood
1981 Cambridge MA Larry Kahn Arye Gittelman Dave Lockwood
1982 Cambridge MA Larry Kahn Arye Gittelman Severin Drix
1983 Cambridge MA Dave Lockwood Arye Gittelman Severin Drix
1984 College Park & Gaithersburg MD Arye Gittelman Larry Kahn Dave Lockwood
1985 Silver Spring MD Larry Kahn Dave Lockwood Arye Gittelman
1986 (Not played)
1987 Cambridge MA Larry Kahn Dave Lockwood Rick Tucker
1988 Falls Church VA Larry Kahn Geoff Myers Jon Mapley
1989 Larry Kahn
1990 Andy Purvis (UK) Larry Kahn, 2nd Larry Kahn
1991 Larry Kahn
1992 Dave Lockwood
1993 Andy Purvis (UK) Dave Lockwood, 3rd Dave Lockwood
1994 Larry Kahn
1995 Dave Lockwood
1996 (played in 1997) Larry Kahn
1997 Larry Kahn
1998 Larry Kahn
1999 Larry Kahn
2000 Larry Kahn
2001 Dave Lockwood
2002 Larry Kahn
2003 Larry Kahn
2004 Larry Kahn
2005 Larry Kahn
2006 Larry Kahn
2007 Larry Kahn
2008 Larry Kahn
2009  Larry Kahn
2010  Larry Kahn
2011  Larry Kahn
2012  Larry Kahn
2013  Larry Kahn
2014  Larry Kahn

North American Pairs

Year Venue Champion Pair Top Nationals 2nd
1970 Ithaca NY Ferd & Bob Henninge Rosie Wain & Andy Tomaszewski
1971 Ottawa Ferd & Bob Henninge Severin Drix & Phil Villar
1972 Cambridge MA Severin Drix & Andy Tomaszewski Craig Schweinhart & Ross Callon
1973 Cambridge MA Bill Renke & Ross Callon Bob Henninge & Betsy Smith
1974 Cambridge MA Bill Renke & Ross Callon Sunshine & Severin Drix
1975 Cambridge MA Dave Lockwood & Severin Drix Ferd & Don Fox
1976 Cambridge MA Severin Drix & Larry Kahn Dave Lockwood & Indian
1977 Cambridge MA Severin Drix & Larry Kahn Sunshine & Ferd
1978 Ithaca NY Severin Drix & Larry Kahn Bob Henninge & Mary Kirman
1979 Ithaca NY Severin Drix & Joe Sachs Sunshine & Bob Henninge
1980 Cambridge MA Larry Kahn & Arye Gittelman Bill Renke & Ross Callon
1981 Ithaca NY Larry Kahn & Severin Drix Ross Callon & Arye Gittelman
1982 Ithaca NY Joe Sachs & Charles Frankston Sunshine & L
1983 Ithaca NY Larry Kahn & Arye Gittelman Joe Sachs & Charles Frankston
1984 Ithaca NY Larry Kahn & Arye Gittelman Severin Drix & Rick Tucker
1985 Ithaca NY Larry Kahn & Arye Gittelman Brad (solo)
1986 (not played)
1987 Ithaca NY Dave Lockwood & Larry Kahn Severin Drix & Jim Marlin
1988 Cambridge MA Dave Lockwood & Jim Marlin Larry Kahn & Rick Tucker
1989 Ithaca NY Dave Lockwood & Jim Marlin Larry Kahn & Rick Tucker
1990  Bob Henninge & Larry Kahn
1991  Dave Lockwood & Rick Tucker
1992  Arye Gittelman & Larry Kahn
1993  Arye Gittelman & Larry Kahn
1994  Arye Gittelman & Larry Kahn
1995  Dave Lockwood & Brad Schaefer
1996  Larry Kahn & Rick Tucker
1997 (not
played)
1998 Patrick Barrie (UK) & Christine Wiggins
(UK)
Marg Calhoun & Larry Kahn, 2nd Marg Calhoun & Larry Kahn
1999 Severin Drix & Julian Drix
2000 Larry Kahn & Marg Small
2001 Dave Lockwood & Max Lockwood
2002 Ferd & Mac McAvoy
2003 Bob Henninge & Yan Wang
2004 Larry Kahn & Prabhas Pokharel
2005 Dave Lockwood & Jon Lockwood
2006 Larry Kahn & Max Lockwood
2007 Prabhas Pokharel & Yan Wang
2008 (played in 2009) Larry Kahn & Jon Lockwood
2009 Severin Drix & Larry Kahn
2010 Bob Henninge & Charles Relle
2011 Larry Kahn & Mac McAvoy
2012 Larry Kahn & Jon Lockwood
2013 Patrick Driscoll & Larry Kahn
2014 Larry Kahn & Mac McAvoy Patrick Driscoll & Rick Tucker Bob Henninge & Yan Wang

Continentals (North American Teams)

Year Venue Champion 2nd 3rd
1967 Waterloo Cornell Waterloo MIT
1968 Ithaca NY MIT Toronto Cornell
1969 Cambridge MA MIT A Cornell Case
1970 Ithaca NY Somerville Cornell
1971 Toronto Somerville MIT Toronto
1972 Ithaca NY MIT A Cornell Somerville
1973 Ithaca NY Zoo MIT A HYTH
1974 Ithaca NY HYTH Zoo Somerville
1975 Ithaca NY Zoo Somerville MIT A
1976 Ithaca NY Zoo MIT TKOs
1977 Ithaca NY Renaissance Zoo Toads
1978 Cambridge MA Renaissance MIT Chickenhearts
1979 Cambridge MA
1980 Ithaca NY Relix MIT Moosewinks
1981 Haverford PA Alliance Relix MIT
1982 Cambridge MA Relix Alliance MIT
1983 Cambridge MA Alliance Chickens MIT
1984 Cambridge MA Alliance Chickens Toads
1985 Ithaca NY
1986-2014 (not played)