Anton Olson was a Swedish

Sweden

Sweden , officially the Kingdom of Sweden , is a Nordic country on the Scandinavian Peninsula in Northern Europe. Sweden borders with Norway and Finland and is connected to Denmark by a bridge-tunnel across the Öresund....

 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 was Swedish Champion

Swedish Chess Championship

The first Swedish Champion was Gustaf Nyholm who won two matches against winners of national tournaments: Berndtsson in Göteborg and Löwenborg in Stockholm in 1917. Until 1931 Swedish Chess Championships decided by match play. In the 1930s, Gideon Ståhlberg held the title in spite of results of the...

 in 1921, and thrice played matches for the title, all in Stockholm. He lost a match to Gustaf Nyholm

Gustaf Nyholm

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

 (1.5 : 3.5) in 1919, won against Nyholm (3 : 2) in 1921, and lost to Nyholm (1.5 : 3.5) in 1921.

He took 2nd, behind Boris Kostić, at Stockholm 1913; shared 1st with Otto Löwenborg

Otto Löwenborg

Otto von Löwenborg was a Swedish chess master.In January 1912, he won a simultaneous exhibition game against Frank James Marshall in Stockholm...

 and lost a match to him (2 : 3) at Stockholm 1917; tied for 1st-2nd with Rudolf Spielmann

Rudolf Spielmann

Rudolf Spielmann was an Austrian-Jewish chess player of the romantic school, and chess writer.-Career:He was a lawyer but never worked as one....

 at Göteborg 1919 (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...

; won at Malmö 1919; tied for 11-12th at Göteborg 1920 (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), shared 1st with 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...

 at Uppsala 1923; tied for 4-8th at Copenhagen 1924 (Nordic-ch, Aron Nimzowitsch

Aron Nimzowitsch

Aron Nimzowitsch was a Russian-born Danish unofficial chess grandmaster and a very influential chess writer...

 won), and took 8th at Oslo 1928 (Nordic-ch, 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...

won).