<prompt> Qedela umusho olandelayo: Uhlelo lwesimanje lokunikeza iziqu ze-FIDE lwavela eziphakamisweni ze- Dorazil, ezethulwe kwi-  <response>: Ngo-1970 i-Siegen Chess Olympiad Ingqungquthela yeFIDE. Iziphakamiso zahlanganiswa nguDkt Wilfried Dorazil ngalesosikhathi owayenguSekela likaMongameli we-FIDE kanye namanye amalungu ekomidi uGrandmaster Svetozar Gligorić noProfesa Arpad Elo. Izincomo ezisencwadini yeKomiti zamukelwa ngokugcwele. 