 Pedzisa mutsara unotevera: Evans akamiririra U.S. muOlympia yeChess masere pamusoro pemakore makumi maviri nematanhatu, achikunda ndarama 1950, sirivha1958, uye menduru dzebronze 1976 pamutambo wake, uye kutora chikamu muchikwata chegoridhe 1976 uye menduru dzesirivheri 1966. 