Boris Onishchenko Boris Onishchenko Boris Grigoryevich Onishchenko (Борис Григорьевич Онищенко; also transliterated as Onyshchenko, Onishenko, Onischenko; born 19 September 1937) is a former Soviet modern pentathlete who competed at the 1968, 1972 and 1976 Summer Olympics. He was a multiple Olympic and world champion, but was disqualified for cheating at the 1976 Summer Olympics and banned for life from sports. Having already earned his country an Olympic medal earlier in Mexico City and Munich, Onishchenko entered the event as a three-time world champion. After the first event of the pentathlon, the Soviet team found itself in fourth place, trailing closely behind Britain.
Independent Olympians at the Olympic Games the Czechoslovakia NOC; however they were prepared to allow its athletes to enter under the Olympic flag. In any event, the Games were cancelled because of World War II. In the Cold War, some athletes who emigrated from Communist European countries were unable to compete at the Olympics, as their original state's NOC neither wanted them on its own team nor gave them permission to transfer nationality. Some applied to compete as individuals in 1952 and 1956, but were refused. When Guyana joined the 1976 Olympic boycott, its sprinter James Gilkes asked the IOC to be allowed to compete as