Nicolaas Cortlever (14 June 1915, Amsterdam

Amsterdam

Amsterdam is the largest city and the capital of the Netherlands. The current position of Amsterdam as capital city of the Kingdom of the Netherlands is governed by the constitution of August 24, 1815 and its successors. Amsterdam has a population of 783,364 within city limits, an urban population...

 – 5 April 1995) was a Dutch

Netherlands

The Netherlands is a constituent country of the Kingdom of the Netherlands, located mainly in North-West Europe and with several islands in the Caribbean. Mainland Netherlands borders the North Sea to the north and west, Belgium to the south, and Germany to the east, and shares maritime borders...

 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 tied for 7-8th at Rotterdam 1936 (10th NED-ch

Dutch Chess Championship

The Dutch Chess Championship was officially established in 1909, although unofficial champions stretch back to the 1870s.-Early years:-Official championships:...

, Salo Landau

Salo Landau

Salo Landau was a Dutch chess player, who died in a Nazi concentration camp.-Early life:...

 won); took 2nd at Amsterdam 1938 (11th NED-ch, Max Euwe

Max Euwe

Machgielis Euwe was a Dutch chess Grandmaster, mathematician, and author. He was the fifth player to become World Chess Champion . Euwe also served as President of FIDE, the World Chess Federation, from 1970 to 1978.- Early years :Euwe was born in Watergraafsmeer, near Amsterdam...

 won); won at the 2nd Hoogovens Beverwijk

Corus chess tournament

The Tata Steel Chess Tournament formerly called the Corus chess tournament takes place every year, usually in January, in a small town called Wijk aan Zee, part of the larger Beverwijk in the province of North Holland in the Netherlands...

 1939 (Quadrangular); tied for 4-6th at Amsterdam I and 3rd-4th at Amsterdam II in 1939.

During World War II

World War II

World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

, he tied for 2nd-3rd at Beverwijk 1940 (Quadrangular, Euwe won); shared 1st with Landau and Lodewijk Prins

Lodewijk Prins

Lodewijk Prins was a Dutch chess player and referee of chess competitions.Prins was awarded the International Master title in 1950, and was made an International Arbiter in 1960. In 1982 FIDE made him an honorary Grandmaster.Prins represented the Netherlands twelve times in all Chess Olympiads...

 at Leeuwarden 1940; took 2nd, behind Arthur Wijnans

Arthur Wijnans

Arthur J. Wijnans was a Dutch chess player and study composer.He took 3rd in Dutch Chess Championship in 1939, took 4th at Beverwijk 1940 , won at Beverwijk 1941 , and shared 2nd, after Arnold van den Hoek, at Beverwijk 1943...

 at Beverwijk 1941 (Quadrangular); tied for 14-15th at Munich 1941 (the 2nd Europaturnier, 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).

After the war, he took 4th at Beverwijk 1946 (Alberic O'Kelly de Galway

Albéric O'Kelly de Galway

Albéric O'Kelly de Galway was a Belgian chess Grandmaster , and an International Correspondence Chess Grandmaster , most famous for being the third ICCF World Champion in correspondence chess between 1959 and 1962. He was also a chess writer...

 won); tied for 2nd-3rd at Zaandam 1946 (László Szabó

László Szabó (chess player)

László Szabó was a prominent Hungarian Grandmaster of chess.Born in Budapest, he burst onto the international chess scene in 1935, at the unusually young age of 18...

 won); took 2nd at Beverwijk 1947 (Theo van Scheltinga

Theo van Scheltinga

Tjeerd Daniel van Scheltinga was a Dutch chess player. FIDE awarded him the International Master title in 1950 ....

 won); tied for 8-9th at Beverwijk 1948 (Prins won); took 4th at Beverwijk 1950 (Jan Hein Donner

Jan Hein Donner

Johannes Hendrikus Donner was a Dutch chess grandmaster and writer. Donner was born in The Hague and won the Dutch Championship in 1954, 1957, and 1958. FIDE, the World Chess Federation, awarded him the GM title in 1959. He played 11 times for the Netherlands in the Chess Olympiads...

 won).

He took 4th at Amsterdam 1950 (15th NED-ch, Euwe won); tied for 7-9th at Enschede 1952 (16th NED-ch, Euwe won); tied for 9-10th at Beverwijk 1953 (Nicolas Rossolimo

Nicolas Rossolimo

Nicolas Rossolimo was an American-French-Russian-Greek chess Grandmaster. He was many times champion of Paris, France, and after relocating to the United States won the 1955 U.S. Open Championship...

 won); tied for 2nd-3rd at Amsterdam 1954 (17th NED-ch, Donner won); took 2nd, behind Donner, at Amsterdam 1958 (19th NED-ch).

Cortlever represented The Netherlands 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 eighth board in 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 (+4 –5 =9);
• In 1939, at second board in 8th Chess Olympiad
  8th Chess Olympiad
  The 8th Chess Olympiad, organised by the Fédération Internationale des Échecs , comprised an 'open' tournament, as well as a Women's World Championship contest...
  
   in Buenos Aires (+3 –2 =11);
• In 1950, at fourth board in 9th Chess Olympiad
  9th Chess Olympiad
  The 9th 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 20 and September 11, 1950, in Dubrovnik, SR Croatia, Yugoslavia .The final results were as follows:-Final :The...
  
   in Dubrovnik (+6 –0 =5);
• In 1952, at fourth board in 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 (+6 –3 =4);
• In 1954, at third board in 11th Chess Olympiad
  11th Chess Olympiad
  The 11th 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 September 4 and September 25, 1954, in Amsterdam, Netherlands...
  
   in Amsterdam (+1 –3 =4).

He won individual silver medal at Dubrovnik 1950.

Cortlever was awarded the International Master (IM) title in 1950.