Career
Among his noted tournament wins (all shared) are Bremen (1905), Prague (1908), Vienna (1908) and Breslau (1912). He had plus scores against Richard Teichmann (+6-2=6), David Janowski (+3-1=0), Carl Schlechter (+2-1=11) and Aron Nimzowitsch (+3-2=3), and level scores with Siegbert Tarrasch and Géza Maróczy. He lost the one game he played with Emanuel Lasker, had a draw and loss against José Raúl Capablanca, and heavy minus scores against Akiba Rubinstein, Ossip Bernstein and Milan Vidmar and was one game behind with Frank Marshall (+7-8=5).
Duras was also a noted chess composer.
The Duras Gambit is named after him.