The 2nd edition, revised and supplemented, of the popular monograph, which is dedicated to one of the most combat modern debuts – the Old Indian defense. The author meticulously builds the entire defensive line of black (including on the territory of "adjacent" openings, such as the English beginning or the London system), explains standard plans and tactical techniques, offers a number of novelties in current schemes. Carefully selected positions for the solution will help the reader to consolidate the acquired knowledge. The book is addressed to chess players of any level, since the laws of Old Indian are the same for both amateurs and super grandmasters.

The vast majority of opening guides are written for adult readers. This book is also devoted to the theory but it is junior. The structure of the book is simple and attractive: openings are examined using examples from actual games, each of which is presented in the form of a lesson with its own name. Several such lessons form an opening theme, and the examination of each theme concludes with exercises. In each opening, attention is drawn to its characteristic tactical and strategic ideas of combinations for independent solution strictly corresponds to the opening theme. Written in clear and easy language, the book is furnished with a large number of diagrams. Colored explanatory arrows on the diagrams and the selection of individual pages with a colored background make the book easier to understand. Regular work solve two problems: deepen the student's knowledge and develop his tactical vision, thus improving his skill and results.

The size of the board when folded is 35x17.5 cm. The size of the board when unfolded is 35x35 cm. Cage size is 3x3 cm  King height 6.6 cm. Base diameter 2.2 cm. Pawn height 3.1 cm. Base diameter 2 cm. Backgammon - checker 2.1 cm. Weight 830 g. Includes backgammon chips and dice Chess board and backgammon chips can be used to play checkers Manufacturer Poland

Igor Yanvarev "Tactical Mastery of a Chess Player. Volume 2. Basics of Calculation Techniques". Andrey Elkov Publishing House, Moscow, 2025 - 392 p. Before you is the second book from the three-volume work by International Master I.K. Yanvarev, a famous trainer, author of the fundamental work "The Old Indian Played by Tigran Petrosian" (2010), which received recognition from readers and was republished abroad. The three-volume work is united by a common idea - tactics and combinations in chess. In fact, this is a turnkey textbook, it explains everything from scratch to an advanced level. The second volume is devoted to the basics of calculation techniques, such topics as the tactical "spectrum" of a position, concentration of attention, inclusion of imagination are considered, the "tree of variations" is interpreted in a new way, the practical component is emphasized - the economy of calculation. A separate chapter allows the reader to assess their ability to calculate variations and outline ways to eliminate weaknesses. Each chapter ends with a large number of carefully selected examples for independent solution. Unlike other similar publications, the author examines chess tactics as a single whole, in combination with strategy and elements of psychology. It is based on the original author's methodology, which has proven itself well when working with chess players of various qualifications. Excellently selected examples, a clear logical structure and consistency in the presentation simplify the understanding of the material. For a wide range of chess fans.

The height of the king is 95 mm, the diameter of the base of the king is 42 mm. Currently used in tournaments of the Central House of Chess Players. The kit is sold without a board.

The authors continue to study typical opening and middlegame positions. Royal Fortress No. 2 has pawns on squares f7, g6, h7 (or f2, g3, h2), and they are usually joined by another defender – bishop on g7 (g2). This formation is called fianchetto, it is found in many popular openings, such as the Catalan Opening, King's Indian Defense, Grunfeld Defense and a number of others.  The authors analyze in detail the techniques of attack, defense and counterattack. Most examples – from the creativity of modern chess players (for example, a separate chapter is dedicated to the strongest Russian grandmaster Ian Nepomniachtchi); they are complemented by parts that have become a classical heritage. The book contains about 300 positions for independent solution, so it is not only a textbook, but also a solid problem book. Grandmaster Konstantin Chernyshov, head of the Interregional Grandmaster School in Kostroma, and his daughter International Master Natalya Kareva – experienced coaches, whose students include grandmasters and masters, champions of Russia and Europe among juniors.  The book is addressed to young chess players and their mentors.