ChessBase Fritz is a worldwide community that has a central server for evaluating main lines, which include analysis of position depths done by particular users in their games. This data is shared with other participating users, making ChessBase Fritz a huge knowledge base for chess. Players can also compare results of the analytics implemented by various chess engines, all of which are enabled during gameplay by the Let's Check feature. This tool constantly updates evaluations of any position and gives more comprehensive analytical results as the games progress. Users may add comments to the analytical results, which other players can see when they encounter the position. The whole modern openings theory is built into the software's system, which instantly updates statistics of any position in the opening, the moves that were played, the occurrence and success rates of each move. updated on a weekly basis, the openings book shows which variations are recently topical and how good they are in terms of overall success rates. It also shows and reveals lines analyzed and debated by the international community. ChessBase Fritz also features database management tools, a user interface in Windows Office 2012 standard and the Fritz 13 engine for deep analysis.