<prompt> Bhala ukuqhubeka kwalesi sigaba - U-Onat wazalelwa e-Istanbul ngo-1929 futhi wathuthela e-Izmir ngo-1930 nomkhaya wakhe. Uqale ukudlala i-chess e-İzmir Atatürk High School, waphothula iziqu zakhe e-Faculty of Pharmacy yase-Istanbul University. U-Onat, owahlangana nabadlali abanamandla ngesikhathi esengumfundi e-Istanbul, wathatha ikhefu ku-chess lapho ebuyela e-Izmir. Njengomdlali we-chess, wabamba iqhaza emncintiswaneni we-17  <response>: , 18, 25, 26 no-27 Chess Olympiad Ithimba Likazwelonke LaseTurkey. Wanqoba i-1974, 1975 kanye no-1982 Turkish Chess Championships. 