<prompt> Bhala okuqhubekayo kwalesi sigaba - Ukumela iSoviet Union eMhlanganweni WaseThessaloniki 1984  <response>: futhi i-Dubai 1986 Chess Olympiads, ukusebenza kwakhe kwaqinisekiswa, wathola amaphuzu acishe abe ngu-67 kuzo zombili izikhathi futhi wafaka isandla emidlalweni emibili yegolide yeqembu. 