He took 11th at Berlin 1881 (2nd DSB–Congress, Blackburne won); took 15th at Nuremberg 1883 (3rd DSB–Congress, Simon Winawer won); tied for 16-17th at Hamburg 1885 (4th DSB–Congress, Isidor Gunsberg won); tied for 5-6th at Leipzig 1888 (Curt von Bardeleben and Fritz Riemann won), and tied for 16-17th at dresden 1892 (7th DSB–Congress, Siegbert Tarrasch won).
Isidor Gunsberg | Isidor Neumann | Andrew Günsberg | Isidor Philipp | Gunsberg | Isidor Straus | Isidor N. Kahn | Isidor Hilberg | Isidor Bush | Isidor Achron | Günsberg |
He finished fourth in the very strong St. Petersburg 1914 chess tournament, behind only World Champion Lasker and future World Champions José Raúl Capablanca and Alexander Alekhine, and ahead of Marshall, Ossip Bernstein, Rubinstein, Nimzowitsch, Blackburne, Janowski, and Gunsberg.