Career
He competed at his first Olympics in 1998, finishing 11th. At the 1999 World Championships, Dinev became the first Bulgarian skater to land a quadruple toe loop in competition. At the 2000 Sparkassen Cup, Dinev"s blade broke during a warmup before the free skate.
He bought a replacement of a different brand and finished 5th.
Dinev trained in Sofia, Bulgaria until the end of the 2001-2002 season. He finished 13th at his second Olympics in 2002.
Dinev then moved to Lake Arrowhead, California to work with Rafael Arutyunyan. He missed his 2002 Grand Prix events due to a broken legal
From 2004 to 2005, he was coached by Igor Pashkevich in Los Angeles and Sofia.
In the 2005-2006 season, Dinev was coached by Angela Nikodinov. He competed at his third Olympics, finishing 17th, and retired from competition at the end of the season. Dinev and Nikodinov coach together in Harbor City, California.