Career
Before coming to America she was active at the Cercle l"Echiquier in Brussels. She took second at the Pan-American Tournament in 1954 behind Mary Bain and Mona May Karff, and tied for second at the 1942 United States. Women"s Championship behind Adele Belcher and Karff. Roos was a professional photographer and at the time of her death was the second highest rated woman in the United States. Chess Federation.
She died of cancer in Los Angeles, California.
