Dee ihe na-aga n'ihu maka paragraf a - Ọ gbara bọọlụ maka France na 2nd Chess Olympiad na The Hague 1928, 3rd Chess Olympiad na-abụghị nke gọọmentị na Munich 1936, na 9th Chess Olympiad
na Dubrovnik n'afọ 1950.