Alexander Riazantsev, age 24, is a Russian chess International Grandmaster (2001) who was born on 12th September, 1985. His FIDE ranking is 58 on May 2010 and Peak rating is 2656 on October 2008.

Riazantsev won the World Chess U-12 Championship in Cannes in 1997. He stood first in the Moscow Championship in 2006.