 The following year, he came first in the Moscow championship.In 2010, Riazantsev tied for 1st–7th places with Vitali Golod, Nadezhda Kosintseva, Leonid Kritz, Sébastien Feller, Christian Bauer, Sébastien Mazé in the Master Open at the 43rd Biel Chess Festival, winning the event on tie-break score.He competed in the FIDE World Cup in 2011 and 2013.