<prompt> Qedela umusho olandelayo: UNajdorf wadlala izikhathi eziyishumi nanye e-Argentina kuma-Olympics e-Chess kusukela ngo-1950 kuya ku-1976. Wadlala ebhodini lokuqala emdlalweni we-9th Chess Olympiad eDubrovnik ngo-1950 8 0 6, kanye naseHelsinki ngo-1952 11 2 3, e-Amsterdam ngo-1954, eMoscow ngo-1956,  <response>: ILeipzig 1960, iVarna 1962, iHavana 1966, iLugano 1968, iSiegen 1970, neHaifa ngo-1976. Ngesikhathi se-Olympiad eNice ngo-1974, wadlala ebhodini lesithathu. 