Spanish Grandmaster (1995) born in Russia.
Korneev has won a lot of tournaments, he is probably the most active Grandmaster in the world by playing 200 to 300 games per year. According to FIDE, he played 80 games in a three-month period in 2007 — a record. He said in 2005: This year he had to travel about 60 000 km to earn a living!.
Best results: winner or shared first in Hamburg 1993, Paros 1995, Versailles 1995, Badalona 1996, Elgoibar 1997, Moscow 1998, Malaga Open 1998 and 1999, Colado Villalba Open and Albacete Open 2000, Sevilla Vila de Coria 2001, Reykjavik Open and Musterland Open 2002, Benasque Open, Elgoibar, Salou Open, Parla International Open 2003, Villa de Coria del Rio, Kranj Open (SLO) 2004, La Roda, Sitges, Guernsey Open and Sekkat Memorial (MAR) 2005, Coria del Rio Open 2006, Villa de Benasque 2006, Sevilla Open 2007, Patrimonio de la Humanidad Open 2007, Lodi Chess Festival 2008, La Laguna Open 2008 and Magistral Elgoibar 2008, Torneo Internacional “Virgen de Valencia” (ESP) 2010, Lille Open 2011 and Cesenatico Open 2011, Chigorin Memorial 2013, Avicenna Open 2015.
Korneev is married with Women Grandmaster Tatiana Kononenko.
A participant at the 2012 Olympiad with the Spanish team.
Peak rating: 2651 in 2008.