 Nyora kupfuurira kweiyi ndima - Somuenzaniso, muWorld Chess Championship 1963kutenderera, Zoneals pfumbamwe dzakasiyana dzakatambwa. Mumwe nomumwe akakwanisa pakati pevatambi mumwe nevatambi vana kuInterzonal, zvichienderana nesimba renzvimbo, nevatambi 23 vanokodzera kuInterzonal. Interzonal yakatambwa muna Ndira kusvika Kurume 1962, nevatambi vatanhatu vepamusoro vanokodzera maCandidates. Vakabatanidzwa naMikhail Tal akarasikirwa nemutambo wa1961 wemakwikwi naMikhail Botvinnik, naPaul Keres, uyo akanga apedza wechipiri mumakwikwi e1959 Candidates. Vasere ivavo vakatamba mujaho wokutenderera-tenderera muvakwikwidzi muna May naJune 1962. Mukundi akanga ari Tigran Petrosian, uyo ipapo akatamba Botvinnik mumutambo wekukunda muna 1963. 