Robson vs D E Vigorito, 2006  (C42) Petrov Defense, 48 moves, 1-0 Bacrot vs Kramnik, 2009  (C42) Petrov Defense, 38 moves, 1/2-1/2 Grischuk vs A Volokitin, 2006  (C42) Petrov Defense, 61 moves, 1-0 Naiditsch vs M Bluvshtein, 2009  (C42) Petrov Defense, 24 moves, 1-0 Karjakin vs V Meijers, 2007 (C42) Petrov Defense, 47 moves, 1-0 Leko vs Kasimdzhanov, 2009  (C42) Petrov Defense, 30 moves, 1-0