Sergio Esteban Barrientos is a Colombian chess grandmaster. He was born on January 30th, 1989 in Santiago de Cali, Colombia. He earned the title of International Master in 2007 and became a Grandmaster in 2013. Barrientos is one of the top-rated chess players in Colombia, and he has performed well in a number of national and international tournaments.
Barrientos won the National Chess Championship of Colombia in 2008, 2013 and 2014. He also took part in the Chess Olympiads in 2008, 2010, 2012, 2014, and 2016, representing his country on each occasion. In 2010, he won the silver medal in the second board, while in the 2016 Baku Chess Olympiad, he achieved the highest performance of his team.
Internationally, Barrientos has represented Colombia in several foundations, in 2009 in Medellin and in 2013 in the Pan American Championship in Campinas, Brazil. In 2014, he won the National Chess Championship in Bogotá, Colombia, and in 2016, he became the winner in the powerful University Foundation of San Mateo.