The 400-0 record of Rickson Gracie has been disputed by many people. Even Helio Gracie, stated that the record of his son Rickson was inflated. When Ron Tripp, beat Rickson at a Sambo competition, Rickson stated to have been uninformed of the rules.
In 1987,Rorion, Royler, Rickson Gracie came to Hayward’s Judo school. Rickson at age 28, got thrown twice by 44 year old Hayward Nishioka. Hayward at the time was a retired 1965-1970 US Judo National Champion. A loss is a loss, even for the great Rickson Gracie