40 ... Rc6-f6! protects tender f7-square, threatens weak f3-sq V Chuchelov vs Shirov, 2009  (D45) Queen's Gambit Declined Semi-Slav, 41 moves, 0-1 3- g2-g4! denies f5-sq to Black b5-rook, makes luft for king Karjakin vs Aronian, 2009  (C84) Ruy Lopez, Closed, 34 moves, 1-0 45 Ne2-g3! attacks centralized e4-queen, funnels pieces to king J L Hammer vs Carlsen, 2010  (A31) English, Symmetrical, Benoni Formation, 55 moves, 1-0 19 Rf1-f3 defends tender b3-pawn and prepares rook doubling Carlsen vs Nepomniachtchi, 2011  (B52) Sicilian, Canal-Sokolsky (Rossolimo) Attack, 40 moves, 1/2-1/2 31 Rh1-b1! defends c3-knight's outpost, threatens Black d5-pawn M Arabidze vs M Korneva, 2012  (D12) Queen's Gambit Declined Slav, 45 moves, 1-0 62 Rb4-g4! protects against mate on g3, supports mate on g6 Q Huang vs B Khotenashvili, 2013  (D38) Queen's Gambit Declined, Ragozin Variation, 63 moves, 1-0 6 games