Anton Demchenko is a Russian chess grandmaster who was born on 17th June 1987 in Neftekamsk. The title of Grandmaster was granted to him by the International Chess Federation (FIDE) in 2009.
Demchenko ranked second in the Russian Rapid Chess Championship in 2013 and then one year later, in 2014, he achieved shared first place in Hastings International Chess Congress. He shared third place in the Kurnosov Memorial in 2016, won the Abu Dhabi International Chess Festival in 2017, and bagged second place at the Dubovitsky Memorial in the same year. He has participated four times in the Chess World Cup (2013, 2015, 2017 and 2019).