Gustav Rogmann was a German chess

Chess

Chess is a two-player board game played on a chessboard, a square-checkered board with 64 squares arranged in an eight-by-eight grid. It is one of the world's most popular games, played by millions of people worldwide at home, in clubs, online, by correspondence, and in tournaments.Each player...

 master.

He took 2nd, behind Wilhelm Ernst

Wilhelm Ernst (chess player)

Wilhelm Ernst was a German chess master.He was a winner at Weidenau 1937. He played several times in German Chess Championship; took 2nd, behind Kurt Richter, at Aachen 1935,...

, at Weidenau 1937, took 9th at Bochum 1937, tied for 6-7th at Berlin (BSG) 1937 (Fritz Sämisch won), and tied for 4-7th at Krefeld 1938 (Erich Eliskases

Erich Eliskases

Erich Gottlieb Eliskases was a chess Grandmaster of the 1930s and 1940s, who represented Austria, Germany and Argentina in international competition....

 and Ludwig Engels

Ludwig Engels

Ludwig Engels was a German–Brazilian chess master.-Biography:In 1928, Engels tied for 1st-2nd with van Nüss in Düsseldorf. In 1929, he took 4th in Cologne. In 1929, he won in Duisburg. In 1929, he tied for 1st-3rd in Duisburg. In 1930, he tied for 1st-2nd with Weissgerber in Frankfurt...

 won).

During World War II

World War II

World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

, he shared 3rd at Posen 1940 (Carl Ahues

Carl Ahues

Carl Oscar Ahues was a German chess International Master.He was Berlin champion in 1910. He was German Champion in 1929 winning the 26th DSB Congress in Duisburg. In 1930, he took 6th in San Remo , tied for 4-5th in Scarborough , and tied for 3-5th in Liege...

 and Rudolf Elstner won), took 2nd, behind Walter John

Walter John

Walter John , was a German chess master.John was born at Thorn , Poland . He took 2nd, behind Curt von Bardeleben in Café Kerkau, and took 4th at Berlin 1902. He won at Hanover 1902...

, at Danzig 1940, won at Posen 1940 (Quadrangular), took 3rd at Posen 1943 (Paul Keres

Paul Keres

Paul Keres , was an Estonian chess grandmaster, and a renowned chess writer. He was among the world's top players from the mid-1930s to the mid-1960s....

won), and took 3rd at Limburg 1947.