<prompt> Bhala ukuqhubeka kwalesi sigaba - UJan Ambrož owazalwa ngo-18 Juni 1954, ungumdlali we-Chess International Master IM waseCzech 1980, owawina iChampionship Chess yaseCzechoslovak 1980, owawina indondo yesiliva yeqembu le-Chess Olympiad 1982  <response>: Izindaba 