en anglais
Nowadays, people tend to prefer working on their chess by studying opening variations with engines, neglecting the practical side of our game. This DVD emphasizes the importance of training your calculation skills. Dutch IM Robert Ris made a selection of training material which he uses in lessons with students ranging from 1400 to 2400. But Ris believes that this material is suitable for players of various strengths because anyone can benefit from practicing calculation in a structured way.