Complex sentence: In 2012--13, Yanovskaya/Mozgov won a pair of silver medals at JGP events in Austria and Slovenia and qualified for the JGP Final in Sochi, Russia, where they finished fourth.
Split into simpler sentences: In 2012--13, Yanovskaya/Mozgov won a pair of silver medals at 2012 JGP Austria and 2012 JGP Slovenia. They qualified for the JGP Final in Sochi, Russia, and finished fourth.