Asa Hoffmannis a FIDE Master, chess teacher, and author. A New York City Junior Champion and U.S. Armed Forces Championship medal winner, Asa was ranked 21st in the nation by age 21 and went on to have a more than 50-year tournament career, competing against most of the country's top grandmasters. He is currently ranked the top senior blitz player in the U.S. <p/>Gregory Keener holds a B.A. in French Literature from New York University and a J.D. from Brooklyn Law School. After leaving his job on Wall Street, he became a FIDE Instructor, manager of the Marshall Chess Club, Web developer, and author. He currently teaches chess at a charter school in Williamsburg, Brooklyn, where he also lives.