 Complete the following phrase:  In 1978 Gennady Korshunov and his wife were invited to coach gymnastics in Leningrad, the birth city of Gennady. Yelena Davydova and her family moved along with the Korshunov family. She achieved a silver AA at the Spartakiade of Russian Federation Sports Schools meet, and bronze AA at the USSR Cup, being the top scorer on both beam and bars. Shortly after, Davydova won the AA title at the prestigious Chunichi Cup in Japan defeating Maxi Gnauck. Her win by 0.55 points remains the joint third-highest margin of victory in the competitions 34-year history. She also won gold on the bars and vault at the Tokyo Cup. As a result, she was chosen to be a member of the USSR team at the 