<prompt> Bhala ukuqhubeka kwalesi sigaba - Ezombusazwe zeMpi Yomshoshaphansi zabonakala emdlalweni we-1972 weWorld Championship phakathi kukaBobby Fischer waseMelika noBoris Spassky waseSoviet Union, lapho uFischer ehlula uSpassky futhi okwesikhashana wamisa ukubusa kweSoviet chess; futhi futhi emdlalweni we-1978 World Championship, lapho iSoviet Anatoly Karpov yahlula uViktor Korchnoi, owayesanda kuphambuka eSoviet Union. Amazwe amaningana awazange ahlanganyele emidlalweni yama-Olympic ngo-1976  <response>: , ngoba sasiqhutshelwa kwa-Israyeli. 