Houdini Aquarium 2015 is a revolutionary analysis, database and chess publishing tool, combined with the world’s strongest chess playing engine, Houdini 4 UCI, which supports up to 6 cores and 4 GB of hash.Houdini Aquarium 2015 offers advanced analysis functions, game commenting, searching, powerful chess trees, playing against the computer, databases, advanced publishing features and much moreSystem requirements: PC, 256 MB RAM, 4GB of free disk space, Windows 8/7/XP/Vista. Internet access during installation and to access Lomonosov Tablebases.