<prompt> Bhala okuqhubekayo kwalesi sigaba - UKeene wamelela iNgilandi cishe iminyaka engamashumi amabili emicimbini yamaqembu aphesheya, eqala nge-Olympiad Chess ka-1966 eHavana eneminyaka engu-18. Walandela nge-Olympia eyisikhombisa elandelanayo: Lugano 1968, Siegen 1970, Skopje 1972, Nice 1974, Haifa 1976  <response>: , eBuenos Aires ngo-1978, naseLa Valletta ngo-1980. Ukusebenza kwakhe ngabanye eLugano naseHaifa kwamzuzela izindondo zethusi nakuba izindondo zomuntu ngamunye, empeleni, zazinganikezwanga eHaifa futhi akazange anqotshwe kuma-Olympics amathathu - lawa amabili neSiegen. Kodwa-ke, ukusebenza kwakhe kamuva, kwakungahlaba umxhwele kangako, kwadonsa kabili kuphela emidlalweni emine eBuenos Aires futhi walahlekelwa yizo zombili imidlalo yakhe eLa Valletta. 