About Gyula Sax
Gyula Sax was a Hungarian chess grandmaster and international arbiter. In 1972, he won the European Junior Chess Championship in Groningen. He was awarded the IM title in 1972 and the GM title in 1974. He won the 1978 Canadian Open Chess Championship and the strong Lugano Open in 1984.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.