<prompt> Nyorera kupfuurira kweiyi ndima - Zvematongerwo enyika zveCold War zvakaratidzwa mumutambo weWorld Championship wa1972 pakati peAmerican Bobby Fischer naBoris Spassky weSoviet Union, apo Fischer akakunda Spassky uye akambomisa kutonga kweSoviet chess; uye zvakare mumutambo weWorld Championship wa1978, apo Soviet Anatoly Karpov akakunda zvishoma Viktor Korchnoi, uyo akanga achangobva kubuda muSoviet Union. Nyika dzinoverengeka dzakaramba Mitambo yeOlympic yeChess ya1976  <response>: , nokuti yakaitirwa muIsrael. 