Pedzisa mutsara unotevera: Evans akamiririra U.S. mumakumi masere Chess Olympiads pamusoro penguva yemakore makumi maviri nematanhatu, kuhwina goridhe (1950), sirivha (1958), uye menduru dzebronze (1976) pamutambo wake, uye kutora chikamu muchikwata goridhe (1976) uye sirivha (
1966) menduru.