Why so few women chess masters? America's top female player ponders the question. FOREST HILLS, N.Y.--Don't let appearances deceive you. Susan Polgar, the pretty, gracious and friendly 35-year-old mother of two boys who sat down with me recently over cookies and tea, is a killer at chess. In fact, Ms. Polgar is currently the top-ranked woman player (and No. 11 overall) in the U.S., and No. 1 among women on the active list (and No. 199 overall) in the world, according to FIDE (Fédération Internationale des Échecs). "When I was more active, I was ranked among the top 100 overall...