Emanuel Rubinstein was a Polish 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.

In the 1920s, Emanuel Rubinstein from Cracow was a collaborator of the Wiener Schachzeitung. He took 4th at Cracow 1926 (Mieczysław Chwojnik

Menachem Oren

Mieczysław Chwojnik, later known as Dr. Menachem Oren – 1 December 1962, Tel Aviv, Israel) was a Polish-born Israeli chess master and mathematician....

 won).
He played for Cracow (+3 =1 –1) in the 1st Polish Team Chess Championship at Królewska Huta

Chorzów

Chorzów is a city in Silesia in southern Poland, near Katowice. Chorzów is one of the central districts of the Upper Silesian Metropolitan Union - a metropolis with a population of 2 million...

 1929, and in matches Cracow (Kraków) vs. Silesia (Śląsk) in 1932, 1937, and 1939. He tied for 2nd-4th in the Cracow City championship in 1938 (Henryk Scheier won), tied for 14-15th at Cracow 1938 (POL-ch, semi-final, Izaak Schächter

Izak Aloni

Izak Aloni was an Israeli chess master.-Biography:Aloni, born Schächter in Buchach, Galicia , was twice Lvov champion , and four-times Lvov sub-champion . He played twice in Polish championships. In 1935, he tied for 12-14th in Warsaw...

 won).

In 1939, when 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...

 broke out, he left Cracow for Lvov. In January/February 1941, he shared 4th with Schächter, behind Edward Gerstenfeld

Edward Gerstenfeld

Edward Issakovich Gerstenfeld was a Polish chess master.Born into a Jewish family in Lviv, Galicia , he took 3rd, behind Henryk Friedman and Izaak Schächter, in the Lvov City championships in 1933, took 3rd at Lvov 1933 , took 7th in the Lvov City-ch, and won...

, Izaak Appel

Izaak Appel

-Biography:In 1926, he took 12th. place in the Warsaw competition, which was won by Dawid Przepiórka. In 1929, he took 2nd place, behind Teodor Regedziński, in the Championship of Łódź. In 1930, he took 6th place in Zoppot , the event won by Paulin Frydman. In 1930–1934 and 1937, Appel won...

, and Henryk Friedman

Henryk Friedman

Henryk Friedman was a Polish chess master.He lived in Lvov . In 1926–1934, Friedman won seven times in succession the Championship of Lvov but 1930, when he took 2nd place behind Stepan Popel. Friedman played in four Polish championships. In 1926, he took 14th in Warsaw . The event was won by...

, in the Lvov City championship.

After the war, he took 10th in the Krakow City championship in 1947 (Aleksander Ameisen won).