Borislav Ivkov  Borislav Ivkov (born November 12, 1933 in Belgrade) is a Serbian chess Grandmaster. He was a World championship candidate in 1965, and played in four more Interzonal tournaments, in 1967, 1970, 1973, and 1979. He is a three-time Yugoslav Champion (1958 joint, 1963 joint, 1972) and was the first World Junior Champion in 1951. Ivkov represented Yugoslavia 12 times in Olympiad competition, from 1956 to 1980, and six times in European Team Championships. Ivkov won numerous top-class events during his career; notable tournament triumphs include Mar del Plata 1955, Buenos Aires 1955, Beverwijk 1961, Zagreb 1965, Sarajevo 1967, Amsterdam-IBM 1974, and Moscow 1999. For more than 15 years from the mid-1950s, he was the second-ranking Yugoslav player, after Svetozar Gligorić. He has written his autobiography: "My 60 Years in Chess". Ivkov earned his National Master title in 1949 at age 16, by placing shared 4th–7th in the Yugoslav Championship at Zagreb, with 11/19; the winner was Svetozar Gligorić. Ivkov earned his first international event opportunity at Bled 1950, sharing 5th–6th places with 7½/14; the winner was Miguel Najdorf. In this tournament, which featured some of the world's best players, Ivkov defeated well-known stars such as Herman Pilnik, Milan Vidmar Sr., and Vasja Pirc. After this impressive debut, he was selected to represent Yugoslavia in team matches against the United States and the Netherlands in 1950 and against West Germany in 1951. Ivkov won the inaugural World Junior Chess Championship in 1951 at Birmingham; this tournament was established for players under age 20. He continued his progress with two solid showings in Yugoslav Championships: at Sarajevo 1951 he tied 10th–12th places with 9½/19 (winner Braslav Rabar), and at Belgrade 1952 he tied 7th–9th places with 10/19 (winner Petar Trifunović). At Opatija 1953, Ivkov scored 10/17 for a shared 4th–6th place; the winner was Aleksandar Matanović. Ivkov was still eligible by age in 1953 to try to repeat his World Junior success; at Copenhagen he won his preliminary group with 7/9, but scored only 3½/7 in the finals to place tied 3rd–4th, as Oscar Panno and Klaus Darga tied at the top.