1979 version was World Cup. http://en.wikipedia.org/wiki/BWF_World_Championships World Championships starts in 1977 followed by 1980 and 1983 (once very 3 years). 1985 onwards switched to once every 2 years (biennia). Starting 2006, it is held very year except olympics year.
side-by-side on xd is really bad idea... chn.. what are you doing? Ma seems like a standing log against ahmad smash....