and discovery with huge chess database, carefully selected and fully annotated tutorial & training examples, authored by top-class players and experienced coaches. Skill perfection for advanced players: combinatorial ability, calculation of variants, positional assessment, advantage-gaining and realization are all instilled and improved. The most instructive games are used to teach the basics of chess strategy and tactics and improve your chess. You can also play games against very strong electronic opponent or deeply analyze any chess position.