Kammala jumla mai zuwa: Sosonko ya taka leda a tawagar Netherlands a gasar Olympics ta Chess sau goma sha ɗaya, a cikin 1974-84, da 1988-96. Ya lashe lambobin yabo guda biyu: zinare a Haifa 1976, tagulla a Nice 1974, da kuma lambobin yabo guda biyu: azurfa a Haifa 1976, da tagulla a
Thessaloniki a shekara ta 1988.