Osmo Ilmari Kaila was a Finnish 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 and chess problemist.

Born in Helsinki

Helsinki

Helsinki is the capital and largest city in Finland. It is in the region of Uusimaa, located in southern Finland, on the shore of the Gulf of Finland, an arm of the Baltic Sea. The population of the city of Helsinki is , making it by far the most populous municipality in Finland. Helsinki is...

, he was twice Finnish Champion

Finnish Chess Championship

-References: *-External links: *...

 (1939, 1954) and thrice Sub-Champion (1947, 1951, 1952).

Kaila took 3rd, behind Gideon Ståhlberg

Gideon Ståhlberg

Anders Gideon Tom Ståhlberg was a Swedish chess grandmaster.He won the Swedish Chess Championship of 1927, became Nordic champion in 1929, and held it until 1939....

 and Erik Lundin

Erik Lundin

Erik Lundin a Swedish chess master.In 1928, he won in Oslo, took 5th in Helsingborg, tied for 2nd-3rd in Stockholm . In 1929, he took 2nd in Göteborg , and took 3rd in Västerås...

, at Oslo 1939 (The 20th 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...

), and won at Copenhagen 1946 (The 21st Nordic Championship).
In 1947, he tied for 7-8th in Helsinki (zonal, Eero Böök

Eero Böök

Eero Einar Böök was a Finnish chess player and engineer.A six-time Finnish champion who represented his country six times in the Chess Olympiad, he was awarded the International Master title in 1950 and became an honorary Grandmaster in 1984...

 and Gösta Stoltz

Gösta Stoltz

-Biography:Stoltz played a few matches with strong chess masters. In 1926, he lost to Mikhail Botvinnik at a team match Stockholm – Leningrad in Stockholm. In 1927, he drew with Allan Nilsson in Göteborg . In 1930, he won against Isaac Kashdan in Stockholm. In 1930, he lost to Rudolf Spielmann ...

 won).

He represented Finland 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:

• In 1936, at seventh board in the 3rd unofficial Chess Olympiad
  3rd unofficial Chess Olympiad
  The 3rd unofficial Chess Olympiad was held by German Chess Federation as a counterpart of the 1936 Summer Olympics in Berlin with reference to 1924 and 1928 events....
  
   in Munich (+10 –4 =6);
• In 1952, at third board in the 10th Chess Olympiad
  10th Chess Olympiad
  The 10th 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 August 9 and August 31, 1952, in Helsinki, Finland.-References:* OlimpBase...
  
   in Helsinki (+4 –3 =4).

Awarded the IM title in 1952.