[3] He made his debut during the 2001–02 season, but struggled to get into the first team and spent loan spells at Pirin Blagoevgrad and Rodopa Smolyan.

He made 10 appearances and collected his first A PFG title winner's medal at the end of the 2005–06 season.

[4] On 1 June 2007, it was officially announced that Dyakov had signed for Slavia Sofia on a long-term deal, for an undisclosed fee.

[7] In pre-season training for the 2011–12 A PFG season, Dyakov ruptured his anterior cruciate ligament and meniscus, and received surgery.

[8] He made his comeback for Slavia from a serious knee injury on 8 February 2012, playing for 25 minutes in a 2–1 friendly loss against Kolkheti-1913 Poti.