Ernst Jacobson was a Swedish 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 8th at Copenhagen 1916 (the 9th Nordic Chess Championship

Nordic Chess Championship

The first Nordic Chess Championship took place in Stockholm in 1897.-Winners:The winners in the Nordic Championship in 1934 and 1936, Aron Nimzowitsch and Erik Lundin, got the Nordiske kongresmestre title, as the champion 1930, Erik Andersen, defended his title with 3-3 against Gideon Ståhlberg at...

, Paul Johner

Paul Johner

Paul Johner was a Swiss chess master.A noted musician , elder brother of Hans Johner, he won the Swiss Championship in 1907 , 1908 , 1925, 1928 , 1930 and 1932 .He played in many international tournaments...

 won), took 2nd at Stockholm 1916, tied for 7-8th at Göteborg 1920 (B-tournament, Johner won), took 3rd and won ahead of Karl Berndtsson

Karl Berndtsson

Karl Mathias Berndtsson Kullberg was a Swedish chess master who was born and died in Göteborg.He won at Copenhagen 1916, and lost a match for the Swedish Chess Championship to Gustaf Nyholm in 1917. He was first in the national tournaments in 1918, 1920, 1921 , and 1926...

 and Gustaf Nyholm

Gustaf Nyholm

Gustaf Nyholm was a Swedish chess master.He was the first Swedish Champion , and a Nordic Champion in 1917....

 at Jönköping 1921, and took 4th at Uppsala 1923 (Allan Nilsson

Allan Nilsson

Allan Nilsson was a Swedish chess master.He was Swedish Champion in 1924-1929, and played four matches for the title, all in Göteborg...

 and Anton Olson

Anton Olson

Anton Olson was a Swedish chess master.He was Swedish Champion in 1921, and thrice played matches for the title, all in Stockholm. He lost a match to Gustaf Nyholm in 1919, won against Nyholm in 1921, and lost to Nyholm in 1921.He took 2nd, behind Boris Kostić, at Stockholm 1913; shared 1st...

 won).

He thrice represented Sweden in Chess Olympiad

Chess Olympiad

The Chess Olympiad is a biennial chess tournament in which teams from all over the world compete against each other. The event is organised by FIDE, which selects the host nation.-Birth of the Olympiad:The first Olympiad was unofficial...

s at London 1927

1st Chess Olympiad

The 1st Chess Olympiad, organized by the FIDE and comprising an open and women's tournament, as well as several events designed to promote the game of chess, took place between July 18 and July 30, 1927, in London, United Kingdom...

, The Hague 1928

2nd Chess Olympiad

The 2nd Chess Olympiad, organized by the Fédération Internationale des Échecs and comprising an open and women's tournament, as well as several events designed to promote the game of chess, took place between July 21 and August 6, 1928 in The Hague, Netherlands.The final results were as...

, and Hamburg 1930

3rd Chess Olympiad

The 3rd Chess Olympiad, organized by the FIDE and comprising an open and women's tournament, as well as several events designed to promote the game of chess, took place between July 13 and July 27, 1930, in Hamburg, Germany...

, and played in friendly matches Germany vs. Sweden (1922) and Stockholm vs. Leningrad (1926).