He was Yugoslav champion in 1951, and in 1953 again tied for the tournament lead, but lost a playoff match.
In December 1941, he played at second board against Ludovit Potuček (1.5 : 0.5) in a match Croatia – Slovakia in Zagreb.
[2] In September 1942, he took 12th in Munich (Europameisterschaft, 1st European Individual Chess Championship, Alexander Alekhine won).
In 1953, he tied for 1st with Vasja Pirc in Zagreb (12th YUG-ch), and afterwards lost a play-off match for the title.
In 1954, he tied for 2nd-3rd with Jan Hein Donner, behind Wolfgang Unzicker, in Munich (zonal).
In August/September 1950, he won two gold medals: individual at fourth board (+8 –0 =2), and team, along with Gligorić, Pirc, Petar Trifunović, Milan Vidmar jr, and Stojan Puc, at the 9th Chess Olympiad in Dubrovnik.