Mezue ahịrịokwu na-esonụ: Udovčić so n'òtù ndị Yugoslavia bụ ndị meriri ọlaọcha na USSR na
16th Chess Olympiad emere na Tel Aviv, Israel na 1964. Ọ gbara bọọlụ na bọọdụ nke ise, wee nweta akara ise n'egwuregwu asaa.