Rubuta ci gaba don wannan sakin layi - Wani abu mai kama da haka shi ne labarin na gaba Interzonal gasar, a Amsterdam 1964. Stein ya ɗauki matsayi na biyar, wanda ya isa ya cancanci kowane ɗan wasan da ba na Soviet ba, tare da jimillar 161⁄2 / 23, amma an hana shi ci gaba. Ya gama a bayan 'yan uwan Soviet Mikhail Tal, Vasily Smyslov, da Boris Spassky, wanda, tare da Danish GM Bent Larsen, duk sun ci maki 17. Ya wakilci USSR a Wasannin Olympics na Tel Aviv a wannan shekarar, yana da kyakkyawan 10/13, kuma ya lashe lambar zinare ta mutum a kan kwamitin ajiya na farko. Bugu da ƙari, ya kasance a cikin Soviet a Havana Olympiad 1966
, da ci 9/12, lashe lambar azurfa ta mutum a kan jirgin hudu. A lokuta biyu, Tarayyar Soviet ta lashe lambar zinare ta tawagar.