<prompt> Kǝla fuwutǝ paragraf adǝbe - Mednis dǝ na kǝn indimi suro World Junior Championship 1955be dǝn Boris Spassky ngawozǝna suwudǝ sandi indi dǝye bikkǝnzǝ sadǝna. Shi shima bikke makkarye buro salakye Bobby Fischera suro U.S. Championship lan ciwowo. Shiye suro kәlakәla USbe saa 1962be dәn suro kәlakәla chess Olympiadbe 15thbe dәn bikke sәdәna  <response>: Kәndau yakkәma suro 1961-1962 U.S. Championshipbe dәn. Kәnasar kәnasar dәye suronzan kәn yakkәmi suro Houston 1974 lan, nәm kәn yakkәmi suro New York City 1980 lan, kuru nәm kәn yakkәmi suro Puerto Rico 1984 lan. Puerto Riko Chess Federation, United States Chess Federation lan gǝnyi, shi dǝye gargam Grandmaster ye dǝro shawari sǝdǝna. Shiye bikke makkarye Interzonalbe saa 1979 lan Riga lan bikke makkarye dәn, bәlinzәn. 