The duo of authors Aagaard / Lund offers a proposal for players willing to improve: the aim is to improve computing power and solving complex exercises imaginative potential. They have prepared lots of material available to the chess compiled on this CD in the classic ChessBase format published alongside the book "Excelling at chess calculation" but with a greater number of exercises. In the five databases are presented to the student a broad material for the study. the number of training questions on this CD stands at 4000!. All this accompanied by valuable remarks and comments also have 30 positions of items that are well suited to face off against as Fritz8 game engines.