<prompt> Bhala ukuqhubeka kwalesi sigaba - UNajdorf wadlala izikhathi eziyishumi nanye e-Argentina kuma-Olympics e-Chess kusukela ngo-1950 kuya ku-1976. Wadlala ebhodini lokuqala emidlalweni engu-9 ye-Olympic Chess eDubrovnik ngo-1950 806, kanye naseHelsinki ngo-1952 1123, e-Amsterdam ngo-1954  <response>: UMoscow 1956, Leipzig 1960, iVarna 1962, iHavana 1966, iLugano 1968, iSiegen 1970, neHaifa ngo-1976. Ngesikhathi se-Olympiad eNice ngo-1974, wadlala ebhodini lesithathu. 