Cheparinov's 1.d4! Część 1: King's Indian and Grünfeld - Ivan Cheparinov (K-5776/1)
Ivan Cheparinov was born in Bulgaria on 26 November 1986. He learned to play chess at the age of five and progressed quickly, winning the Bulgarian Junior Championship in 2000 and becoming a grandmaster in 2004. He has finished first or equal first in many strong open and elite round-robin tournaments, such as Essent (2006), Morelia (2007), Sigeman & Co invitational (2007), Ruy Lopez Masters (2009 and 2010) and Gibraltar Chess Festival (2014).