XXI-- XXII Tournaments of Mathematical Truks named after A.P. Savin

The book talks in detail about mathematical competitions at the A.P. Savin summer tournaments. Filling the previous books of the authors, the book collected all the tasks of tournaments in 2015-26, as well as the best tasks of tournaments in 1999--2001. The collection of more than 450 tasks for students in grades 6--9 was obtained. The tasks are grouped by topics, equipped with a rubric, to all decisions or instructions. Most tasks are quite accessible to a wide range of schoolchildren.
At the end of the book, an article is given in which the search issues on rectangular boards of the largest number of cells with various pans between their centers are dismantled. Also in a separate chapter there are the tasks of the captain’s competition, which is held at the beginning of each battle.
The book is addressed to those who would like to prepare or prepare students for mathematical battles and other competitions: schoolchildren, their parents and teachers, as well as just fans of mathematics