This presentation is about Nikolay Nikolayevich Petrov, a talented teacher and coach of judo and sambo in Novocheboksarsk, Chuvashia. As a child, Petrov took up judo and sambo and received the title of Master of Sports in 1979. As a student, he began coaching and 4 of his initial 18 pupils received the title of Master of Sports, including one who became a three-time champion of the RSFSR. Petrov has coached many successful athletes over the years, such as Eduard Ivanov, Elena Karpova, Anastasia Tarasova, and Ksenia Mironova, who have won various regional and national competitions. Pet