Complex sentence: In 2002, Slavnov began dating Julia Obertas, who trained at the same rink, and in August 2003 they decided to skate together and to switch coaches to Tamara Moskvina, who also worked at Yubileyny.
Split into simpler sentences: In 2002, Slavnov began dating Julia Obertas, who trained at the same rink. In August 2003, Obertas and Slavnov decided to skate together and to switch coaches to Tamara Moskvina who also worked at Yubileyny.