35 .. Qd5-b3! Black heavy pieces will invade 8th-rank d1-square Mamedyarov vs Svidler, 2007  (D30) Queen's Gambit Declined, 35 moves, 0-1 34 .. Ra8-h8! kings cover entry points on e-file but not h-file M Neubauer vs G Sargissian, 2007  (C67) Ruy Lopez, 41 moves, 0-1 23 ... Ra8-e8 protects e6-pawn but cedes the a-file to White S Sjugirov vs Svidler, 2009  (B12) Caro-Kann Defense, 23 moves, 1-0 25 Rf1-d1! prepares to stick the rook into the d6-outpost squar H Dronavalli vs A Stefanova, 2012  (A11) English, Caro-Kann Defensive System, 32 moves, 1/2-1/2 H Wang vs Caruana, 2013  (A07) King's Indian Attack, 39 moves, 1-0 26 - Qg6xQd3! 27 Rd1xQd3 Kg8-h7! Black controls open e-,h-files D Andreikin vs Tomashevsky, 2013  (D15) Queen's Gambit Declined Slav, 42 moves, 1-0 6 games