56 years old
Susan Polgar
Zsuzsa Polgar, known as Susan Polgar, is a WGM (Woman Grand Master) chess player. In 2005 she achieved an Elo rating of 2577, which made her the second woman with the highest Elo in the World Ranking, only below her sister, Judit Polgar. She achieved the title of Woman Grandmaster in 1991.
