Najdorf

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Argentinian grandmaster Miguel Najdorf pictured in play v. Vlastimil Hort at Wijk aan Zee, January 1971. Behind him – Svetozar Gligorić (Yugoslavia, left) and Robert Hübner (West Germany, right).
(Photo credit: H. Pot/ANEFO, via http://nationaalarchief.nl.)
Fuente: Douglas Griffin.