Leon Rosen (March 1869,

Warsaw Warsaw ( pl, Warszawa, ), officially the Capital City of Warsaw,, abbreviation: ''m.st. Warszawa'' is the capital and largest city of Poland. The metropolis stands on the River Vistula in east-central Poland, and its population is officia ...

– 16 August 1942,

New York City New York, often called New York City or NYC, is the List of United States cities by population, most populous city in the United States. With a 2020 population of 8,804,190 distributed over , New York City is also the L ...

) was an American

chess Chess is a board game for two players, called White and Black, each controlling an army of chess pieces in their color, with the objective to checkmate the opponent's king. It is sometimes called international chess or Western chess to disti ...

master. Born in Warsaw, Poland (then

Russian Empire The Russian Empire was an empire and the final period of the Russian monarchy from 1721 to 1917, ruling across large parts of Eurasia. It succeeded the Tsardom of Russia following the Treaty of Nystad, which ended the Great Northern War. ...

), he left for Paris, France, and next emigrated to the United States. He took 4th at Paris 1896 (

Dawid Janowski Dawid Markelowicz Janowski (25 May 1868 – 15 January 1927; often spelled ''David'') was a Polish-born French chess player. The Janowski variations of the Old Indian Defense and of the Queen's Gambit Declined are named after him. Biography B ...

won), and took 14th in the

Paris 1900 chess tournament The Paris 1900 chess tournament was an event held in conjunction with the Exposition Universelle (1900), one of the world's most notable fairs or exhibitions and designated a "World Exposition" by the Bureau of International Expositions. Major int ...

(

Emanuel Lasker Emanuel Lasker (; December 24, 1868 – January 11, 1941) was a German chess player, mathematician, and philosopher who was World Chess Champion for 27 years, from 1894 to 1921, the longest reign of any officially recognised World Chess Champ ...

won). In that time, he appeared on the New York 1900 Census. He took 18th at Excelsior 1905 (

U.S. Open Chess Championship The U.S. Open Championship is an open national chess championship that has been held in the United States annually since . History The tournament was originally the championship of the Western Chess Association, and was called the Western Open. I ...

, Edward F. Schrader won), took 2nd, after Julius Finn, in the 1907 New York State championship, took 2nd, behind Clarence S. Howell, at Trenton Falls 1908 (''Quadrangular''). In 1909, he shared 1st with Manuel Ayala and Otto Roething in the Manhattan CC championship. In January 1910, Rosen, ''the Parisian expert'', beat

José Raúl Capablanca José Raúl Capablanca y Graupera (19 November 1888 – 8 March 1942) was a Cuban chess player who was world chess champion from 1921 to 1927. A chess prodigy, he is widely renowned for his exceptional endgame skill and speed of play. Capablanc ...

(third round), Jacob Rosenthal (semi-final), and J. Marder (final), and won in the Rice Chess Club tournament in New York. Rosen played in several matches in New York; Manhattan CC vs. Franklin CC (1909), Rice CC vs. Brooklyn CC (1909), Brooklyn CC vs. Rice CC (1909), Manhattan CC vs. Franklin CC (1910, 1911, 1912). He participated in American Chess Bulletin tournament in 1914/15, and in the 1923 New York Metropolitan team tournament.

References

1869 births 1942 deaths American people of Polish-Jewish descent Polish chess players American chess players Jewish chess players Sportspeople from Warsaw Emigrants from Congress Poland to the United States {{US-chess-bio-stub