Mezue ahịrịokwu na-esonụ: N'ọnwa Ọgọstụ 2007, Dobrin kwagara Saint Petersburg ka ọ zụọ n'okpuru Alexei Mishin. O tinyere 5th na 2007 NHK Trophy. Ọ lara ezumike nká na 2008 Russian Championships wee mechaa 13 na 2009 Russian Championships. N'afọ 2009, ọ hapụrụ Mishin wee sonyere Victoria Volchkova na Moscow. Mgbe o meriri ebe nke iri na abụọ na
2010 Russian Championship, Dobrin lara ezumike nká na asọmpi. Ọ rụrụ ọrụ dịka onye nkuzi na Prokopyevsk, Kemerovo Oblast site na 2011 ruo 2014 wee kwaga Krasnodar.