Age 12 Yifan Hou vs Sutovsky, 2007  (B93) Sicilian, Najdorf, 6.f4, 40 moves, 1-0 Age 13 G Sargissian vs Yifan Hou, 2008  (E15) Queen's Indian, 49 moves, 0-1 Yifan Hou vs Short, 2008  (C67) Ruy Lopez, 23 moves, 1-0 Age 14 Yifan Hou vs Karpov, 2008  (C53) Giuoco Piano, 50 moves, 1-0 Yifan Hou vs Vallejo-Pons, 2009  (B30) Sicilian, 31 moves, 1-0 Yifan Hou vs Sasikiran, 2009  (B17) Caro-Kann, Steinitz Variation, 68 moves, 1-0 Age 15 Yifan Hou vs Beliavsky, 2009  (C41) Philidor Defense, 39 moves, 1-0 Naiditsch vs Yifan Hou, 2009  (B80) Sicilian, Scheveningen, 59 moves, 0-1