Kammala jumla mai zuwa: Ada van der Giessen (an haife shi 4 ga Mayu 1948) ɗan wasan chess ne ɗan ƙasar Holland. Ita ce ta lashe gasar zakarun mata ta Dutch (1973) kuma ta lashe lambar azurfa sau biyu a gasar zakarun mata ta Olympics (
1972, 1976) da kuma