 In 2001 he won the Under 18 section of the World Youth Chess Championships and the Saint-Vincent Open.Jakovenko tied for first place in the Russian Championship Superfinal 2006, but lost the playoff against Evgeny Alekseev, got second place at Pamplona 2006/2007, Corus B Group 2007, and Aeroflot Open 2007.He finished first in the Anatoly Karpov International Tournament () in Poikovsky, Khanty-Mansi Autonomous Okrug, Russia in 2007, 2012 and 2018.