28 Bf4xBe5?? extends f-file of f6-queen to f2, 28 .. Qf6-f2+!- J Emms vs P K Wells, 1989  (C95) Ruy Lopez, Closed, Breyer, 45 moves, 1/2-1/2 31 d3xc4?? extends rank of Black c3-queen to g3, 31 ... Qc3-g3! L'Ami vs Sasikiran, 2009  (A34) English, Symmetrical, 31 moves, 0-1 45 ... Qe4-d4?? exposes tender h7-sq along b1-h7 for 46 Qd2-c2! J L Hammer vs Carlsen, 2010  (A31) English, Symmetrical, Benoni Formation, 55 moves, 1-0 35 ... Nc6-b4?? opens c-file to loose c6-rook, overloading d6-Q Topalov vs Kamsky, 2009  (C07) French, Tarrasch, 55 moves, 1-0 14 - Nc6xe5?? opens a4-e8 diagonal to e8-king for 16 Be2-b5+ +- Kamsky vs Topalov, 2009  (B12) Caro-Kann Defense, 43 moves, 1/2-1/2 58 Rb7xf7?? opens the a6-c8 diagonal to c8 for 58 .. Qa6-c8+ -+ Robson vs S Sjugirov, 2009  (C41) Philidor Defense, 59 moves, 0-1 9 d4-d5?! opens the a7-g1 diagonal to f2-sq for Black c5-bishop Carlsen vs Kramnik, 2009  (E32) Nimzo-Indian, Classical, 20 moves, 0-1 25 ... f6-f5?! opens h4-d8 diagonal to d8-rook for 26 Bb3xf7+!! Alekhine vs K Junge, 1942   (C86) Ruy Lopez, Worrall Attack, 28 moves, 1-0 24 e3xd4?? opens e-file to e1-back rank square, 24 ... Re8-e1+! Aronian vs Svidler, 2006  (D80) Grunfeld, 24 moves, 0-1 14 .. Ne5-g6?? fatally opens h2-b8 diagonal to c7-flight square Grischuk vs Rublevsky, 2005  (D27) Queen's Gambit Accepted, Classical, 39 moves, 1-0 12 ... c7-c6?? opens a5-d8 diagonal to d8-queen for 13 Bd2-a5! Morozevich vs Korchnoi, 2004  (C77) Ruy Lopez, 13 moves, 1-0 21 .. d5-d4?? opens a2-g8 diagonal of b3-bishop, loses by force Motylev vs Shirov, 2009  (C48) Four Knights, 24 moves, 1-0 43 Bd1-f3? allows Black a1-rook to access to f1, 43 ... Qe1-f1# Van Wely vs Topalov, 2006  (D15) Queen's Gambit Declined Slav, 43 moves, 0-1 27 ... b7-b6?? opens the a8-h1 diagonal to undef Black a8-rook Adams vs M Gurevich, 2006  (C05) French, Tarrasch, 28 moves, 1-0 6 Nd4-b3?? opens d-file, a7-g1 diagonal for 6 ... Bc5xf2+! NN vs R Vassilev, 2009  (D08) Queen's Gambit Declined, Albin Counter Gambit, 6 moves, 0-1 13 .. Nd7-c5?? exposes Black e8-king to fatal check 14 Bd3-b5+! L Ibarra Chami vs M Goncalves, 2009  (A45) Queen's Pawn Game, 14 moves, 1-0 8 ... d7-d6?? exposes Black e8-king to losing fork on a4-e8 dia O Matjushin vs G Matjushin, 2000  (C45) Scotch Game, 9 moves, 1-0 39 ... g6-g5?? exposes h6-king along 6th rank for 40 Rc8xNf8! Nakamura vs Carlsen, 2009  (D85) Grunfeld, 40 moves, 1-0 59 f4-f5?? opens c1-h6 diagonal allowing skewer 59 ... Bd4-e3+ Caruana vs Short, 2009  (E06) Catalan, Closed, 5.Nf3, 67 moves, 1-0 14 Qe1-g3!: now 14 ... Nf6xe4?? opens d4-g7 diagonal for mate Caruana vs Sasikiran, 2009  (B84) Sicilian, Scheveningen, 44 moves, 1-0 20 games