Kasparov rose rapidly throughout the FIDE earth rankings. Because of an oversight through the USSR Chess Federation, which believed that a grandmaster Match in Banja Luka, Yugoslavia, was for juniors, he participated in that occasion in 1979 although still unrated. He was a replacement for your Soviet defector Viktor https://financefeeds.com/terraform-and-do-kwon-fined-4-5-billion-to-settle-with-sec/