Where is Sambo from ?
Yury Rybak , Belarussian sport Sambo champion , and World Judo silver medalist Andrei Kazusionak , Belarussian sport Sambo champion , European Judo champion , and Olympian Blagoi Ivanov , Won the over 100 kg Combat Sambo gold medal at the 2008 World Sambo Championships , at 22 years of age he notably defeated Fedor Emelianeko , 4 time World Combat Sambo Champion .