Amos Burn was a chess Master born on April 8, 1827, in Kinston Upon Hull, England. Riazantsev was awarded the grandmaster title in 2001 and the International Master title in 1999. As of September 2022, Riazantsev’s FIDE rating was 2626 while his Peak rating was 2720 as of July 2012. Riazantsev is among the trainers of the Russian Women’s national squad.
In 1997, Riazantsev triumphed in the Under-12 category of the World Youth Chess Tournament, and in 1998, Riazantsev won the Under-14 category of the European Youth Chess Tournament. He won the Stork Young Masters tournament in Hengelo on a tiebreak in 2005, defeating Andrey Zhigalko, Vladimir Belov, and David Baramidze. Riazantsey won the Moscow championship the following year. In the Master Open at the 43rd Biel Chess Festival in 2010, Riazantsev tied for first-7th place with Vitali Golod, Nadezhda Kosintseva, Leonid Kritz, Sébastien Feller, Christian Bauer, and Sébastien Mazé, winning on tie-break score. In 2011, and 2013, he participated in the FIDE World Cup. Riazantsev was hired as the coach of the Russian senior squad in September 2011.
Riazantsev won the Russian Chess Championship in 2016 as well as the European Rapid Chess Tournament.