Qxd4 Metger vs A Fritz, 1878  (C41) Philidor Defense, 41 moves, 1-0 B Marinello vs E Donaldson-Akhmilovskaya, 1994 (C48) Four Knights, 17 moves, 1/2-1/2 Qxd4 B Dekic vs T Mendieta Rodriguez, 2012 (C62) Ruy Lopez, Old Steinitz Defense, 45 moves, 1-0 Qxd4 Kuan Kuan Tian vs M Ninchich, 1999  (C62) Ruy Lopez, Old Steinitz Defense, 29 moves, 1-0 Qxd4 C Sreeves vs J Hawkins, 2011 (C41) Philidor Defense, 42 moves, 0-1 7.Qxd4 Sutovsky vs Caruana, 2013  (C41) Philidor Defense, 82 moves, 1-0 Exchange Variation A Volokitin vs I Schneider, 2013 (C41) Philidor Defense, 25 moves, 1/2-1/2 8.a4 I Schneider vs Movsesian, 2013 (C41) Philidor Defense, 38 moves, 1/2-1/2 3...Nd7 K Eliasson vs H Palsson, 2013 (C41) Philidor Defense, 41 moves, 1/2-1/2 4.Nc3 V Schneider vs R Salah, 2010 (C41) Philidor Defense, 48 moves, 1/2-1/2 10 games