Dee ihe na-aga n'ihu maka paragraf a - Ọ gbara bọọlụ maka Switzerland na 2nd Chess Olympiad na The Hague 1928, ebe o tinyere akara dị oke mma nke +5 <unk>1 =5 (68.2%) wee were ihe nrite nke 6th. O sokwa n'egwuregwu Olimpik nke anọ.
na Prague na 1931. O jikọtara 9-12 na Bern 1932 (Alexander Alekhine meriri).