Kammala jumla mai zuwa: Ya sami lambar yabo ta kasa da kasa a shekarar 1974, kuma an inganta shi zuwa Grandmaster a shekarar 1976. Ya taka leda a tawagar Amurka a gasar Olympics ta chess biyar a jere. Ya fara wasa a Nice 1974, sannan ya buga a Haifa 1976, Buenos Aires 1978,
Valletta 1980, da kuma Lucerne 1982.