<prompt> Qedela lo musho olandelayo: Wanikezwa isihloko se-International Arbiter, wayeyi-Head Referee e-  <response>: I-23rd Chess Olympiad, kanye ne-8th Womens Chess Olympiad, kokubili eBuenos Aires 1978. Wayephinde abe ngumahluleli oyinhloko emdlalweni we-World Chess Championship phakathi kuka-Anatoly Karpov noViktor Korchnoi eMerano ngo-1981. 