(Chapters from Strategy I). The book is intended for players with rating 1800 and higher, it contains 225 deeply annotated examples from practical games + another 30 examples for solving. The material is divided into chapters according to topics, e.g. Zugzwang, Limitation of pieces, Domination, Prophylaxis, Major pieces, etc. Picture 2 shows contents of the book. The book is a sequel to the book Sachy. Zaklady strategie, also written and published by Richard Biolek. The third author is Vlastimil Nedela. All three authors are International masters and also work as trainers.