Welcome to the magical world of chess combinations! With the help of exercises on the radar system, which the reader will find in the book, the main components of the power of the chess player's game are perfectly trained - combination vision and calculation of options. Yaroslav Prizant is an international master and an experienced coach, in 2014 he prepared the champion of Russia, Europe and the World Under 8 Ilya Makoveev. Recognized by the Russian Chess Federation as the best children's coach of 2015. His training channel "Yar Sanych" on YouTube is one of the most popular among chess players of all ages. The book is designed for chess players of a wide audience.