The Big Database 2014 contains more than 5.7 millions games from 1560 to 2013 in the highest ChessBase quality standard with ChessBase opening classification with more than 100,000 key positions, direct access to players, tournaments, middlegame themes, endgames. The most recent games of the database are from the Middle of November 2013.System requirements:1 GHz Pentium PC, Windows 8, Windows 7/Vista/XP, 512 MB RAM, DVD-ROM drive, ChessBase 11 or 12, Internet connection required for online updates.