Houdini 4 PRO Aquarium is a revolutionary analysis, database and chess publishing tool, combined with the world"s strongest chess playing engine, Houdini 4 PRO, which supports up to 32 cores and 32 GB of hash. Houdini 4 PRO Aquarium offers advanced analysis functions, game commenting, searching, powerful chess trees, playing against the computer, databases, advanced publishing features and much more: - Interactive Deep Analysis is the most advanced chess analysis method available today. - Infinite Analysis is more flexible than ever with analysis presets. - Find Blunders and Game Analysis for analyzing whole games. - Play against the computer. Choose from three different strength handicap methods, material handicap or time handicap. - Publish your games, analyses or even whole chess books! Publish as Aquarium iBook, on the web/blog or in print. - Compatibility with major opening book and database formats. - Databases of about 6 million games in total (up to December 1, 2013) that can be updated from the www.chessok.com website each week with 1500 new games for free. - Houdini 4 PRO can be also used in Fritz and other chess programs. - You also receive free access to 7-piece Lomonosov endgame tablebases via the Aquarium interface or at www.chessok.com until 31.12.2014. - Bonus Disc: Chess Openings Encyclopedia 2014, which includes rich theoretical material on all openings. Languages: English, German, Spanish, Italian and French. System requirements: PC, 256 MB RAM, 4GB of free disk space, Windows 10/8/7/XP/Vista.