Mezue ahịrịokwu na-esonụ: Evans nọchitere anya United States na asatọ Chess Olympiads n'ime afọ iri abụọ na isii, na-emeri ọlaedo (1950), ọlaọcha (1958), na ọla nchara (
1976) maka egwuregwu ya, na isonye na ọla edo (1976) na ọlaọcha (1966).