[1] He earned the International Master (IM) title in 1965 by winning the World Junior Championship.

[1] He played for Yugoslavia in Chess Olympiads at Valletta 1980 (won team bronze medal) and Thessaloniki 1984.

One of his notable tournament successes was joint 3rd/4th place (together with Mikhail Tal whom he beat in their individual game) at the 1976 Wijk aan Zee (Fridrik Olafsson and Ljubomir Ljubojević won).

In 1991, Kurajica broke the Guinness World record for playing a simultaneous game on the largest numbers of boards up until that moment.

After the collapse of Yugoslavia, he represented Bosnia and Herzegovina ten times between 1992 and 2012 (won team silver medal at Moscow 1994), in total 12 Olympiad appearances.