Since early 2006, the Korean professional player Yoon Youngsun has been teaching Baduk in Germany and Europe during game nights, tournaments, and seminars. This book is seen as the first result of her experiences with the weaknesses of European amateurs. In this first of three planned volumes, 31 fundamental tips are explained, covering the first part on Josekis and their continuation, and in the second part, the opening game and important proverbs. The third part of the book is dedicated to training through problems. Anyone who has experienced Yoon Youngsun as a teacher knows how helpful her tips can be.