Jacob Bernstein was an American

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 chess master.

Born into a Jewish family, he lived in New York

New York City

New York is the most populous city in the United States and the center of the New York Metropolitan Area, one of the most populous metropolitan areas in the world. New York exerts a significant impact upon global commerce, finance, media, art, fashion, research, technology, education, and...

. He won three consecutive New York State Chess Championships (1920-1922), and shared 1st with Herman Steiner

Herman Steiner

Herman Steiner was a United States chess player, organizer, and columnist.He won the U.S. Chess Championship in 1948 and became International Master in 1950....

 in 1929, but lost a tiebreak to him.

He also tied for 8-9th at New York 1913 (Rice tournament, 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...

 won),
tied for 5-6th at New York 1915 (Capablanca won), tied for 7-8th at New York 1916 (Rice tournament, Capablanca won),
and lost a match to 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....

 (1.5 : 3.5) at New York 1916.

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 3-6th at New York 1922 (Edward Lasker

Edward Lasker

Edward Lasker was a leading German-American chess and Go player. He was awarded the title of International Master of chess by FIDE. Lasker was an engineer by profession, and an author.-Background:...

 won),
took 13th at Carlsbad (Karlovy Vary

Karlovy Vary

Karlovy Vary is a spa city situated in western Bohemia, Czech Republic, on the confluence of the rivers Ohře and Teplá, approximately west of Prague . It is named after King of Bohemia and Holy Roman Emperor Charles IV, who founded the city in 1370...

) 1923,
and tied for 7-10th at Pasadena

Pasadena, California

Pasadena is a city in Los Angeles County, California, United States. Although famous for hosting the annual Rose Bowl football game and Tournament of Roses Parade, Pasadena is the home to many scientific and cultural institutions, including the California Institute of Technology , the Jet...

 1932 (Alexander Alekhine

Alexander Alekhine

Alexander Alexandrovich Alekhine was the fourth World Chess Champion. He is often considered one of the greatest chess players ever.By the age of twenty-two, he was already among the strongest chess players in the world. During the 1920s, he won most of the tournaments in which he played...

won).