This book is a collection of practically all the combinations and instructive tactical operations from the games of the 9 world champions from Wilhelm Steinitz to Tigran Petrosian.

The volume I contains 1455 chess combinations by 9 World Champions - to solve. Each combination has its difficulty rating. The correct answers are given in the end of the book.

In each chapter, devoted to one of the champions, the examples are arranged in chronological order. All the diagrams are give an additional mark – a number from 1 to 4. This classification allows the book to be used as an aid, both for trainers and teachers in lessons with their pupils, and for independent training.