Oscar Tenner was a Galicia (Poland)-born German–American 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.

At the beginning of his career, he played in several tournaments in Germany. He won (elim.) and took 4th at Hamburg 1910 (DSB Congress

DSB Congress

The Deutschen Schachbund had been founded in Leipzig on 18 July 1877. When the next meeting took place in the Schützenhaus on 15 July 1879, sixty-two clubs had become member of the chess federation. Hofrat Rudolf von Gottschall became Chairman and Hermann Zwanziger the General Secretary...

, C tournament), took 7th at Berlin 1911 (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...

 won), tied for 9-10th at Breslau 1912 (DSB-Congress, Hauptturnier A, Bernhard Gregory

Bernhard Gregory

Bernhard Gregory was an Estonian chess master.In 1902, he tied for 16-19th in Hannover . In 1903/04, he tied for 9-10th in Berlin...

 won), shared 3rd at Jungbunzlau (Mlada Boleslav) 1913 (Karel Hromádka

Karel Hromádka

Karel Hromádka was a Czech chess player, two-time Czech champion, 1913 and 1921 ....

 won), and tied for 2nd-3rd with Ilya Rabinovich

Ilya Rabinovich

Ilya Rabinovich was a Russian chess master.-Biography:In 1911 Ilya Leontievich Rabinovich tied for 1st with Platz in Saint Petersburg...

, behind B. Hallegua, at Mannheim 1914 (interrupted DSB-Congress, Hauptturnier A).

After World War I

World War I

World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

, he tied for 6-7th at Berlin 1922 (Fritz Sämisch won), and then emigrated to the United States. He played many times in the Manhattan Chess Club Championship and other tournaments in New York. He tied for 4-5th in 1922 (Morris Schapiro

Morris Schapiro

Morris Abraham Schapiro was an American investment banker and chess master.He was born in Lithuania in 1903 and came to the United States in 1907. He entered Columbia University on a Pulitzer Scholarship and led the university chess team to four national championships...

 won), took 5th in 1923 (Oscar Chajes

Oscar Chajes

Oscar Chajes was an Austrian, then American chess player.-Biography:Chajes was Jewish and was born in Brody, Galicia, in what is now Ukraine. In 1909, he won in Excelsior, Minnesota . In 1910, he took 2nd in Chicago. In January/February 1911, he tied for 3rd-4th in New York...

 won), took 2nd, behind José Raúl Capablanca

José Raúl Capablanca

José Raúl Capablanca y Graupera was a Cuban chess player who was world chess champion from 1921 to 1927. One of the greatest players of all time, he was renowned for his exceptional endgame skill and speed of play...

, and shared 5th (Abraham Kupchik

Abraham Kupchik

Abraham Kupchik was an American chess master.Abraham Kupchik was born into a Jewish family in Brest . His family emigrated to the USA in 1903....

 won) in 1924, tied for 6-8th in 1925 (Kupchik won), took 10th in 1926 (Géza Maróczy

Géza Maróczy

Géza Maróczy was a leading Hungarian chess Grandmaster, one of the best players in the world in his time. He was also a practicing engineer.-Early career:...

 won), and tied for 8-9th in 1928 (Alexander Kevitz

Alexander Kevitz

Alexander Kevitz was an American chess master, of at least International Master strength at his peak, although he was never awarded this title. Kevitz also played correspondence chess, and was a creative chess analyst and theoretician. He was a pharmacist by profession.-Early life:Kevitz was born...

 won). He also tied for 7-8th at Lake Hopatcong 1923 (the 9th American Chess Congress

American Chess Congress

The American Chess Congress was a series of chess tournaments held in the United States, a predecessor to the current U.S. Chess Championship. It had nine editions, the first played in 1857 and the last in 1923.-First American Chess Congress :...

, Frank James Marshall and Kupchik won), and took 8th at Bradley Beach 1928 (Kupchik won).

After 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 took 41st at Baltimore 1948 (US Open Chess Championship, Weaver W. Adams

Weaver W. Adams

Weaver Warren Adams was an American chess master, author, and chess opening theoretician. His greatest competitive achievement was winning the U.S. Open Championship in 1948. He played in the U.S...

won) at the age of 68.