Tiviakov vs Shirov, 2010  (B25) Sicilian, Closed, 31 moves, 0-1 So vs T S Nguyen, 2010  (A15) English, 26 moves, 1/2-1/2 D Andreikin vs Swiercz, 2010 (A37) English, Symmetrical, 41 moves, 1-0 24 Qf3-b3! attacks undef b6-pawn and pins f7-pawn to g8-king Kramnik vs Shirov, 2010  (D43) Queen's Gambit Declined Semi-Slav, 42 moves, 1-0 28 Qe3-e4! threatens c6-forking sq, pinning chain on undef h7-Q Carlsen vs Nakamura, 2011  (D10) Queen's Gambit Declined Slav, 40 moves, 1-0 5 games