Houdini 3 Aquarium is a revolutionary analysis, database and chess publishing tool, combined with the world's strongest chess playing engine, Houdini 3. Houdini 3 Aquarium offers advanced analysis functions, game commenting, searching, powerful chess trees, playing against the computer, databases, advanced publishing features and much more. Houdini 3 Aquarium includes the best chess engine – Houdini 3 UCI, a powerful search system, a unique Tree mode, database of 5.083 million games in total (as of November 1, 2012), and Bonus disk Chess Opening Encyclopedia 2012. Languages: English, German, Spanish, Italian and French. System requirements: PC, 256 MB RAM, 4GB of free disk space, Windows 8/7/XP/Vista.