Career
In 1976, he tied for 1st - 3rd in Virovitica. In 1977, he tied for 1st - 3rd in Karlovac. In 1980, he tied for 2nd - 3rd in Virovitica.
In 1981, he tied for 2nd - 6th in Ramsgate.
In 1986, he tied for 2nd - 3rd, behind Jaime Sunye Neto, in Zenica. In 1987 he became the first General Motors to lose to Judit Polgár, then 11 years old.
Kovacevic played in six Chess Olympiads. They were: for Yugoslavia at Lucerne 1982, Thessaloniki 1984, and Thessaloniki 1988, for Yugoslavia "B" at Novi Sad 1990, for Croatia at Manila 1992 and Elista 1998.
FIDE awarded him the International Grandmaster title in 1976.