Ukrainian Grandmaster. Korobov studied Law at Kharkiv University. World Champion U16 in 1991, Ukrainian Champion in 2002 and 2012 and runner-up in 2004.
Best results: Winner or shared first at Linares Anibal Open 2003, Prince Mohammed International (JOR) 2009, Czech Open 2009, New Years All-Ukrainian Open 2009, Czech Open 2010, Abu Dhabi Masters 2010 and Nakhchivan Open 2011, Aeroflot Open 2012, New Delhi Open 2012, Poïkovski-Karpov Tournament in 2015 and 2016.
Ukrainian Grandmaster. Korobov studied Law at Kharkiv University. World Champion U16 in 1991, Ukrainian Champion in 2002 and 2012 and runner-up in 2004.