Mezue ahịrịokwu na-esonụ: Nestler gbara bọọlụ ugboro abụọ maka Ịtali na Chess Olympiads na Dubrovnik 1950 na
Helsinki 1952, ma nọchite anya Italy na egwuregwu enyi na enyi megide Czechoslovakia na 1957 na Switzerland na 1958.