Susan Polgar is a Hungarian-born American chess player. She is also a chess writer and promoter and the head of the Susan Polgar Institute for Chess Excellence at Texas Tech University. On the July 1984 FIDE Rating List, at age 15, she was the top-ranked woman player in the world. She was the first woman to earn the title of Grandmaster in regular competition. She was the Women's World Chess Champion from 1996 to 1999. In October 2005 Polgar had an Elo rating of 2577, making her the second-ranked woman in the world at the time, after her sister Judit Polgar. Source: Susan Polgar's Chess Biography on Wikipedia.