 He took 16th at The Hague 1928 (World Amateur Chess Championship, Max Euwe won).took 6th at Winterthur 1931 (SUI-ch, Aron Nimzowitsch won – off contest).He shared 9th at Bern 1932 (Alexander Alekhine won), took 10th at Zürich 1934 (Alekhine won), took 11th at Bad Liebwerda 1934 (Salo Flohr won), and tied for 5-8th at Lucerne 1950 (SUI-ch, Hans Johner won).