This is analysis of the fourth game of the 2011 FIDE Candidates semi-final between Grandmaster Vladimir Kramnik and Grandmaster Alexander Grischuk. I allowed the World's strongest chess program, Deep Rybka 4.1x64 to analyze the moves in this game for 2 hours.I also used Chessbase 11,and Chessbase's Megadatabase 2011 to help me analyze this game.I hope you enjoy playing through this analysis! :)