Kramnik's Disaster Anand vs Kramnik, 2005  (C42) Petrov Defense, 20 moves, 1-0 Shirov's miscalculation Anand vs Shirov, 2005  (C42) Petrov Defense, 35 moves, 1-0 Passed pawn on 6 rank but draw Anand vs Ponomariov, 2005  (C42) Petrov Defense, 33 moves, 1/2-1/2 Petrov Defense,16.a4 Ivanchuk vs Y Wang, 2009  (C42) Petrov Defense, 66 moves, 1/2-1/2 10...Bf5,the first time in Petrov Defense Ljubojevic vs Yusupov, 1989 (C42) Petrov Defense, 24 moves, 1/2-1/2 13...Re8,the first time in Petrov Defense Shirov vs Karpov, 2002 (C42) Petrov Defense, 66 moves, 1/2-1/2 14.cxd5,the first time in Petrov's Defense Svidler vs Gelfand, 2002 (C42) Petrov Defense, 36 moves, 1/2-1/2 ...Qxd5 Kasparov vs Adams, 2002  (C42) Petrov Defense, 47 moves, 1-0 16.Qc1 again A Shomoev vs S Erenburg, 2006 (C42) Petrov Defense, 20 moves, 1/2-1/2 "Put every thing back" Anand vs Carlsen, 2013  (C42) Petrov Defense, 24 moves, 1/2-1/2 Jaenisch Variation Polgar vs Karpov, 2003 (C42) Petrov Defense, 50 moves, 1-0 11 games