Mezue ahịrịokwu na-esonụ: Devos egwuri ugboro abụọ maka Belgium na Chess Olympiads; na
Folkestone 1933 na Dubrovnik 1950. Ọ nọchitekwara anya obodo ya na egwuregwu enyi na enyi megide Netherlands (1947, 1950, 1959) na France (1948, 1949).