In what year was the oldest partner of the 2015 Russian national champion ice dancers born?
Ruslan Zhiganshin Ruslan Nailevich Zhiganshin (Russian: Руслан Наильевич Жиганшин ; born 25 September 1992) is a Russian ice dancer. With partner Elena Ilinykh, he is the 2015 Russian national champion.
Irina Lobacheva Irina Viktorovna Lobacheva (Russian: Ирина Викторовна Лобачёва ; born 18 February 1973) is a Russian former competitive ice dancer. With partner Ilia Averbukh, she is the 2002 Olympic silver medalist, the 2002 World champion and the 2003 European champion.