All-Russian Student Tournaments of Mathematical Battles . Tula, 2002-2015. In 2 parts. Part II . The collection of problems and other materials”, created by the team of authors, is a unique and rich resource for all who are passionate about mathematics, intellectual competitions and the development of logical thinking. This book is not just a collection of problems, but a real journey through the world of student mathematical battles, which over the years have become an important part of the educational and scientific life of Russia. The second part of the series reveals to the reader the wealth of tasks that were used in the framework of the all-Russian mathematical fights tournaments held in Tula from 2002 to 2015 . Here are collected the brightest, non-standard and sometimes thought-provoking tasks that test not only theoretical knowledge, but also the ability to think creatively, find non-standard approaches and work in a team. Each challenge is a challenge that stimulates analytical thinking and develops skills to solve complex problems, making the book a valuable tool for students, teachers, mentors, and anyone who seeks to improve their mathematical abilities. This book is ideal for young people aged 16 years and older, for students, graduate students, teachers and lovers of intellectual games. It will be an excellent addition to the educational literature for those who want not only to consolidate theoretical knowledge, but also to learn how to apply them in non-standard situations. It will also be interesting for those who are looking for inspiration to participate in mathematical Olympiads, competitions and tournaments, as well as for those who appreciate the development of logical thinking and analytical skills. The peculiarity of this book is in its practical orientation and richness of materials . The team of authors carefully selected tasks covering a wide range of topics: from algebra and geometry to combinatorics and number theory. Each task is accompanied by comments, tips and solutions, which makes the book not only a collection of exercises, but also a tutorial that can help the reader understand complex concepts and learn how to apply them. This approach makes the book a valuable resource for self-study and competition preparation. The style of presentation of the authors is lively and clear, which makes it easy to immerse yourself in the material and maintain interest throughout the book. Inspired by the traditions of Russian mathematical schools and modern teaching methods, the team created a publication that combines academic rigor and accessibility, making complex ideas understandable and fascinating. This book is a continuation of the series, which has already earned recognition among mathematics lovers and professional teachers seeking to develop students’ analytical thinking and creative approach to solving problems. If you appreciate intellectual challenges, are looking for new horizons in mathematics or want to prepare for participation in student tournaments, "All-Russian student tournaments of mathematical fights. Tula, 2002-2015. In 2 parts. Part II . A collection of tasks and other materials” will become an indispensable assistant for you . This book is not just a collection of tasks, but the key to the development of thinking, broadening horizons and strengthening self-confidence. It is worth having in the library to anyone who loves mathematics and wants to become part of the fascinating world of intellectual competitions.