Kazimierz Plater (3 March 1915, Vilna – 30 April 2004, Warsaw) was a Polish 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.

Born into an aristocratic family in Vilnius

Vilnius

Vilnius is the capital of Lithuania, and its largest city, with a population of 560,190 as of 2010. It is the seat of the Vilnius city municipality and of the Vilnius district municipality. It is also the capital of Vilnius County...

, he studied in Warsaw

Warsaw

Warsaw is the capital and largest city of Poland. It is located on the Vistula River, roughly from the Baltic Sea and from the Carpathian Mountains. Its population in 2010 was estimated at 1,716,855 residents with a greater metropolitan area of 2,631,902 residents, making Warsaw the 10th most...

 where he won the Warsaw County Championship in 1934.

After the Second World War, he participated twelve times in Polish championships (1946–1964). He was thrice Polish Champion

Polish Chess Championship

Individual Polish Chess Championship is the most important Polish chess tournament, aiming at selecting the best chess players in Poland. Based on the results of the tournament , the Polish Chess Federation selects the national and subsequently the olympiad team.The first men's championship took...

 (1949, 1956, 1957) and twice Sub-champion (1950, 1963).

In 1947, he took 6th place in Warsaw in a tourney won by Svetozar Gligorić

Svetozar Gligoric

Svetozar Gligorić is a Serbian chess grandmaster. He won the championship of Yugoslavia a record twelve times, and is considered the best player ever from Serbia...

 and 12th in the Hilversum zonal won by Albéric 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...

. In 1949, he took 7th in Bucharest (Luděk Pachman

Ludek Pachman

Luděk Pachman was a Czechoslovak-German chess grandmaster, chess writer, and political activist. In 1972, after being imprisoned and tortured almost to death by the Communist regime in Czechoslovakia, he was allowed to emigrate to West Germany...

 won). In 1957, he shared 4th in Szczawno Zdrój at the 2nd Przepiórka Memorial won by Efim Geller

Efim Geller

Efim Petrovich Geller was a Soviet chess player and world-class grandmaster at his peak. He won the Soviet Championship twice and was a Candidate for the World Championship on six occasions...

 .

He represented Poland in Chess Olympiads

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...

:

• In 1952, at third 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 (+2 –3 =8);
• In 1956, at second board in 12th Chess Olympiad
  12th Chess Olympiad
  The 12th 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 31 and September 25, 1956, in Moscow, Soviet Union.-References:...
  
   in Moscow (+3 –6 =4);
• In 1960, at second board in 14th Chess Olympiad
  14th Chess Olympiad
  The 14th 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 October 26 and November 9, 1960, in Leipzig, East Germany.-References:...
  
   in Leipzig (+2 –4 =3).

Plater was awarded the International Master title in 1950.