Mezue ahịrịokwu na-esonụ: Ihe yiri nnọọ nke ahụ mere n'asọmpi Interzonal na-esote, nke e mere n'Amsterdam na 1964. Stein weere ọnọdụ nke ise, nke zuru oke maka iru eru maka onye ọ bụla na-abụghị onye Soviet ọ bụla, na ngụkọta nke 161⁄2 / 23, mana egbochiri ya ịga n'ihu. Ọ nọ n'azụ ndị Soviet ibe ya bụ Mikhail Tal, Vasily Smyslov, na Boris Spassky, onye, ya na GM GM Bent Larsen, niile nwetara akara 17. Ọ nọchitere anya USSR na
Tel Aviv Olympiad n'afọ ahụ, na-enweta akara 10/13, ma merie ọla edo n'otu n'otu na mbadamba mbadamba mbụ. Ọzọkwa, ọ nọ n'akụkụ Soviet na Havana Olympiad 1966, na-enweta akara 9/12, na-emeri ọlaọcha ọlaọcha n'otu n'otu. Na nke ọ bụla n'ime oge abụọ ahụ, ndị Soviet Union nwetara ọlaedo site n'aka ndị otu egwuregwu.