 Complete the following phrase:  In June 2015, 16-year-old Pakhomov was selected to compete at the inaugural 2015 European Games in Baku, Pakhomov won four gold medals, in 200m, 100 m butterfly, in 4 × 100 m mixed medley with Anton Chupkov, Arina Openysheva and Maria Kameneva at a time of 3:49.53 and in 4 × 100 m medley with Anton Chupkov, Vladislav Kozlov and Filipp Shopin touching in at 3:36.38, a new junior world record breaking the previous record held by Russia in 3:38.02 at the 