 Complete the following phrase:  Karjakin learned to play chess when he was five years old. He joined the A.V. Momot Club in Kramatorsk, Ukraine and was coached by Vladislav Borovikov, becoming an International Master at age 11 years and 11 months. He won the U10 European championship in 1999, and the U12 world championship in 2001. Also in 2001, Karjakin tied for first place in the U14 European championship with Borki Predojević and Rauf Mamedov, taking the silver medal on tiebreak. In January 2002, he was the official second of fellow Ukrainian Ruslan Ponomariov during the final of the 