Career
Kovachev played for Velbazhd Kyustendil, Spartak Varna, Litex Lovech and Dunav Rousse before moving to Chernomorets in June 2008 for a free transfer. With the club Kovachev played in a matches of Intertoto Cup 2008 against Slovenian North Dakota Gorica and Swiss Grasshopper Club Zürich. Six months later he is loaned to Naftex Burgas.
On 5 July 2009 Kovachev signed three years contract with OFC Sliven 2000.
On December 29, 2014, he signed with Pusamania Borneo Football Club.
