SIMON & SCHUSTER Extreme Chess - PC Based on Fritz, the chess engine that defeated World Chess Champion Garry Kasparov & IBM's Deep Blue Get instant in-depth critical analysis of your every move A built-in tournament clock and time clock help you drill in real time A 50,000 game database, annotated by grand masters such as Kasparov and Fischer, is fully accessible by player name, tournament year, annotator, ranking and more Further expand the database by downloading games from the Internet