Pedzisa mutsara unotevera: Munguva iyi, Stean kazhinji aifanira kuisa parutivi zvaaida kuita, sezvo akanga achibatanidzwa sechimwe chechikwata chaViktor Korchnoi chemasekondi emushandirapamwe wepasi rose muna 1977-78 uye
Muna 1980 kusvika muna 1981. Muzvinhu zvakawanda, kudyidzana kwakabudirira; Korchnoi akafuratira vamwe vakwikwidzi vane simba vakadai saBoris Spassky, Robert Hübner naLev Polugaevsky munzira yekuenda kumagumo ake maviri naKarpov. Basa raStean raibatanidzwa zvikurukuru nokugadzirira kuvhura uye iye naKorchnoi vakava shamwari dzakanaka.