 In 1910, he tied for 1st with Rubinstein in Warsaw, and won in the Hamburg 1910 chess tournament (the 17th DSB Congress, "Hauptturnier A"), which earned him the Master Title, and the right {and invitation} to compete at the Carlsbad 1911 chess tournament.In 1911, he took 4th in Carlsbad (Richard Teichmann won), tied for 2nd-4th in Cologne (Moishe Lowtzky won), and took 2nd in Munich (Simon Alapin won).After this a nervous disorder forced him to give up serious chess.