For more than four thousand years people have been fascinated by the Asian strategy board game Go. It has always been regarded as a beneficial way to foster creative thinking. This exercise book is aimed at players who can't let go of this fascination and now want to work towards a better understanding of the game. The degree of difficulty of the tasks is thus beyond a beginner - here begins the training. The book contains challenging tasks from all the fundamental areas: opening, middle game, tesuji, life and death, and endgame. It is rounded off by three special sections dedicated to the topics of shape,