Hellow guys, Welcome to my website, and you are watching Тактическое мастерство: Типичные ошибки при расчете вариантов. and this vIdeo is uploaded by Шахматы с Олесей: Пошаговые уроки с нуля до 1-го разряда at 2017-12-26T09:27:39-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.