Kasparov rose swiftly with the FIDE earth rankings. On account of an oversight via the USSR Chess Federation, which thought that a grandmaster tournament in Banja Luka, Yugoslavia, was for juniors, he participated in that party in 1979 while still unrated. He was a replacement for that Soviet defector https://financefeeds.com/cboe-to-launch-emerging-market-bond-index-futures/