KHANTY MANSIYSK, Russia—Armenian teenagers Manuel Petrosyan and Haik Martirosyan have won the title in the World Chess Federation’s World Youth Championship in their respective categories.

According to the official FIDE 2016 website, Martirosyan won first place in the boys “Under 16” category, beginning with seven consecutive wins and securing the gold in the final round by beating Tran Minh Thang from Vietnam.

Petrosyan achieved the winning title for the boys “Under 18” category by beating Russian rival Maksim Vavulin for the second time— his first time at the European Championship, then World Championship.

The World Youth U14, U16, U18 Championships 2016 took place in Khanty-Mansiysk, Russia and ran from September 20-October 4.