In 2013 Matlakov tied for first in the Chigorin Memorial in Saint Petersburg, placing third on tiebreak, behind Pavel Eljanov and Dmitry Kokarev respectively.

[14] In July 2014, he tied for second with Parimarjan Negi, Gawain Jones and Maxim Rodshtein at the Politiken Cup in Helsingør, placing third on countback.

In April 2017, he finished tied for first with Nikita Vitiugov, Étienne Bacrot and Zdenko Kožul in the Grenke Chess Open in Karlsruhe, Germany.

[18] In June, he won the European Individual Championship in Minsk edging out Baadur Jobava and Vladimir Fedoseev on tiebreak, after all three players scored 8½/11 points.

[19][20] Matlakov won individual silver medal playing board 5 for Saint Petersburg in the 2013 European Club Cup.