Chessmaster 5000 For 10 years Chessmaster has reigned as the leader in computer chess programs In addition to the superior performance players have come to expect, you'll appreciate the dazzling new graphics and the 60 new opening books, each customized to simulate the play of a famous Grandmaster. Mindscape has further enhanced Chessmaster 5000 with a new 27,000 game database, games supplied by the DejaVu Chess Library, that features advanced database query functions and a library of 2,000 named opening variations.