Nikolai Nikolaevich Chadaev is a Russian chess player who holds the title of Grandmaster (GM). He was born in Novosibirsk, Russia on November 6, 1982. Before becoming a Grandmaster, Chadaev was awarded the titles of International Master (IM) in 2007 and FIDE Master (FM) in 2006. He was honoured with the title of Grandmaster by FIDE in 2010.
Regarding team competitions, Chadaev played with the team "Polytechnic" in the European Chess Club Cup in 2010. Further, he was a member of the national team that participated in the World Team Chess Championship in 2011.