29 Qh6xh7+! T Kosintseva vs Kosteniuk, 2012  (B67) Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 8...Bd7, 29 moves, 1-0 73 Nb4-c6+! 1-0 S Azarov vs Naiditsch, 2012  (C67) Ruy Lopez, 73 moves, 1-0 22 Qh6-g7+! Ne6xQg7 vacates h6-sq for 23 Ng4-h6+ and 24 f6xNg7# Bird vs Pinkerley, 1850  (000) Chess variants, 24 moves, 1-0 29 ... a5-a4! vacates a5-sq for upcoming fork 32 ... Nb6-a4+ A Moiseenko vs Bacrot, 2013  (D31) Queen's Gambit Declined, 34 moves, 1/2-1/2 17 f2xBg3! vacates f2-sq for White g1-king, winning 19 Kg1-f2! N Dzagnidze vs S Guramishvili, 2013  (A13) English, 33 moves, 1-0 31 c3-c4! gains time of d5-rook to vacate c3-sq for h8-bishop Adams vs D Andreikin, 2013  (C67) Ruy Lopez, 64 moves, 1-0 32 ... Qf4xNf6!! vacates f4-sq for ... Nd5-d4+,mating on back! G Meier vs Kramnik, 2013  (E06) Catalan, Closed, 5.Nf3, 38 moves, 0-1 19 Bc4xf7+! vacates c4-sq for 20 Ne5-c4!, trapping the a5-queen Botvinnik vs G Stepanov (Schneideman), 1931  (D43) Queen's Gambit Declined Semi-Slav, 34 moves, 1-0 8 games