Career John drew a match with Jacques Mieses (+1 –1 =3) at Leipzig 1917. In December 1940, he died in Berlin.
Achievements He took 2nd, behind Curt von Bardeleben in Café Kerkau, and took 4th (Ossip Bernstein won) at Berlin 1902. He won at Hanover 1902 (13th Dictionary of Scientific Biography–Congress, B tournament). In 1904, he tied for 11-12th in Coburg (14th Dictionary of Scientific Biography Congress. Bardeleben, Carl Schlechter and Rudolf Swiderski won). In 1905, he tied for 7-10th in Barmen (Dawid Janowski and Géza Maróczy won). In 1907, he tied for 10-11th in Ostend (B tourn. Bernstein and Akiba Rubinstein won). In 1908, he took 4th in Düsseldorf (16th Dictionary of Scientific Biography–Congress, Frank Marshall won). In 1910, he took 16th in Hamburg (17th Dictionary of Scientific Biography–Congress, Schlechter won). In 1914, he tied for 10-11th in Mannheim (19th Dictionary of Scientific Biography–Congress, Alexander Alekhine won). He won, jointly with Paul Johner, at Berlin 1917, won at Breslau 1918, took 5th at Göteborg 1920 (B tournament won by P Johner), won at Berlin 1921, and took 4th at Hamburg 1921 (21st Dictionary of Scientific Biography–Congress, Ehrhardt Post won). He took 11th at Bad Aachen 1934 (the 2nd German Chess Championship, Carl Carls won). In September 1940, he won in Danzig (Gdańsk).