 Pedzisa mutsara unotevera: Evans akamiririra U.S. mumitambo misere yeChess Olympiad pamusoro pemakore makumi maviri nematanhatu, achikunda ndarama1950, sirivha 1958, uye menduru dzebronze 1976 pamutambo wake, uye kutora chikamu muchikwata chegoridhe 1976 uye menduru dzesirivheri 1966. 