G. Petar Arnaudov (born August 8, 1986, in Plovdiv, Bulgaria)[1] is a Bulgarian chess player and co-founder of modern-chess.com. G. Petar Arnaudov received the International Master (IM) title in 2009 and Grandmaster[2] (GM) in 2013. He is currently living in The Hague.
He was part of the Bulgarian national team in 2013 and is the current team champion of Bulgaria. He is a chess publisher[3] and writer and writes opening articles for New in Chess, Chess base Magazine and Modern Chess Magazine.