How to prepare for mathematical competitions. 400 problems from the A.P. Savin tournaments

Having worked for many years in the leadership and jury of the tournament. Savina and other tournaments of mathematical battles, the authors learned many secrets of the game and share them with the reader. How, for example, to avoid mistakes in their decisions and expose them in the opponent’s decisions? Stop on specially selected solutions with errors!
. Filling the previous book of the authors, the book talks in detail about mathematical competitions at the 2012 summer tournament, affecting the tournaments of the previous few years. All tasks of 2012 and selected tasks of 2006 and 2007 are collected, almost 400 tasks for students in grades 6-9. They are grouped by topics, equipped with a rubric, to all decisions are given. Most tasks are quite accessible to a wide range of schoolchildren. The rules of the mathematical battle, as well as the tasks of the competition of captains and comic mattuers are given.
. The first edition of the book was published in 2014.
. The Kniga 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