Go too a book store.
Chessmaster 10th edition - (pdf)manual

If you use this url: http://ubisoft.custhelp.com/cgi-bin/ubisoft.cfg/php/enduser/fattach_get.php?p_sid=6bixzoEj&p_li=&p_accessibility=0&p_redirect=&p_tbl=9&p_id=12256&p_created=1204325990&p_olh=0
you should find it.
Good Luck.
Help! Where can I find the complete manual? I have the original game but it only provided the short manual. I've tried to find it via a search machine on the web but I could't find it. Thanks for helping.
Regards,
Gian