Mezue ahịrịokwu na-esonụ: A mụrụ Lehmann na Königsberg na 1921, mụọ iwu. Dịka onye na-egwu egwuregwu chess, ọ natara aha FIDE, International Master (IM) na 1961. O meriri 1956 Berlin City Chess Championship na 1976 European Chess Club Cup. Ọ bụ onye ọkpụkpọ mba na 1950s na 1960s, sonyere na 13th na
14th Chess Olympiad. Ọ gbaara West Germany bọọlụ n'asọmpi European Chess Championship nke afọ 1957, ma nweta ọla nchara n'otu n'otu maka bọọdụ ya.