Tuhia he haere tonu mo tenei waahanga - I tohu a Evans i te US i roto i nga Olympics Chess e waru i roto i te rua tekau ma ono tau, i toa koura (1950), hiriwa (1958), me te parahi (1976) mo tana taakaro, me te uru atu ki te koura (1976) me te hiriwa (1966
) ngā tohu.