Kammala jumla mai zuwa: Denis Allan ya lashe gasar zakarun Turai a shekarar 1970. Ya raba wuri na farko a gasar zakarun Kanada a shekarar 1984. Ya kasance ɗaya daga cikin 'yan wasa huɗu kawai da suka yi gasa a Gasar Chess ta Kanada a cikin kowane shekaru huɗu a jere daga shekarun 1960 zuwa 1990. A shekara ta 1987, a Szirak, Denis Allan ya shiga cikin
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