Rubuta ci gaba don wannan sakin layi - Ya buga wa Switzerland wasa a gasar Olympics ta Chess ta 2 a Hague a 1928, inda ya ba da kyakkyawan sakamako na +5 <unk>1 =5 (68.2%) kuma ya ɗauki kyautar mutum don matsayi na 6. Ya kuma taka leda a gasar Chess Olympiad ta 4
a birnin Prague a shekara ta 1931. Ya yi daidai da 9-12 a Bern 1932 (Alexander Alekhine ya lashe).