Ozren Nedeljković was a Serbian 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 shared 1st at Belgrade 1927, tied for 4-5th at Karlovac 1927, won the 1st Levin tournament in 1932, shared 2nd in 1933 (the 2nd Levin tourn.), tied for 4-6th in 1934 (the 3rd Levin tourn.), shared 2nd in Belgrade City Chess Championship in 1934, and took 12th at Ljubljana 1938 (Yugoslav Chess Championship

Yugoslav Chess Championship

The Yugoslav Chess Championship is a tournament with great tradition, held to determine the national champion. It was a very strong event especially in the period 1945–1991, when it represented players from six federal republics, today independent countries....

, Boris Kostić won).

Ozren Nedeljković played for Yugoslavia 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....

at Munich 1936 where won individual gold medal on second reserve board. He also represented Yugoslavia in several friendly matches against Switzerland (1947, 1950), Austria (1949), Netherlands (1949, 1950), Sweden (1950), United Kingdom (1951), West Germany (1951, 1952, 1954), Italy (1951, 1953, 1954), and Hungary (1957, 1960).