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Discover the fun of mastering the game of chess in the latest in the Chessmaster series. Chessmaster 9000 is not only a fun chess game, but also one that will improve your level of play. Learn how to master your opponent, find the best moves, and shut out distractions. A new Blunder Alert feature lets you know when you've made the wrong move. Test your skills with the new Endgame Quiz from U.S. Chess Champion and Grand Master, Larry Evans. Chessmaster 9000 can be your teacher, mentor, and opponent.