Chess Assistant 11 Starter (DVD) What's new in Chess Assistant 11 compared to Chess Assistant 10: New version of the world's strongest chess playing engine, Rybka 4 New version of Openings Encyclopedia 2010. New database: 4,600,000 game database (before April, 1, 2010) Language versions: English, Spanish, German, French and Italian versions are available System Requirements: 128 Mb RAM, Hard Disk 1 Gb, Windows 7/2000/NT/XP/Vista