25 Nh7-f6+! vacates the h-file with tempo for Qh4-h8# Pillsbury vs Burn, 1895   (D55) Queen's Gambit Declined, 28 moves, 1-0 40 Nd5-e7+! clearance for a discovered attack and a skewer I Cheparinov vs Z Almasi, 2006  (C84) Ruy Lopez, Closed, 40 moves, 1-0 26 Rg6+!! a clearance sacrifice missed by both Leko and Svidler Leko vs Svidler, 2005  (A15) English, 45 moves, 0-1 17 e5! vacates the e4-square for 17 ... dxe5 18 Ne4! Adams vs Leko, 1996  (A45) Queen's Pawn Game, 24 moves, 1-0 56 Re8-e2! vacates the e8-square, threatens RxN and Ne8+ Topalov vs Leko, 2006  (E32) Nimzo-Indian, Classical, 71 moves, 1-0 41 Ne3-c4!! clears the c1-h6 diagonal for 42 Bc1-h6+!!, mating Leko vs Kamsky, 2006  (C97) Ruy Lopez, Closed, Chigorin, 46 moves, 1-0 22 - Bg7xc3! vacates g-file with tempo, threatening 23 - Rg8 Robatsch vs Larsen, 1963  (B33) Sicilian, 31 moves, 0-1 24 ... Qc2xd1+! vacates the c2-forking square with tempo S Short vs N Ahern, 2005  (B90) Sicilian, Najdorf, 25 moves, 0-1 41 Be6-f5! clears e-file for White e5-rook and threatens 42 BxQ Topalov vs Kamsky, 2006  (D15) Queen's Gambit Declined Slav, 42 moves, 1-0 28 Bd3xg6!! vacates the d-file for 29 Rfxd4, a winning skewer Nimzowitsch vs Spielmann, 1910  (C45) Scotch Game, 31 moves, 1-0 35 Nf5-d6+! clears the f-file with tempo for 36 Qf4-f8, winning Morozevich vs K Georgiev, 2006  (C45) Scotch Game, 38 moves, 1-0 31 Nd4xe6! vacates a1-h8 diagonal for 32 Qc3!, double attack Larsen vs A Matanovic, 1965  (E07) Catalan, Closed, 32 moves, 1-0 12 - Ng3-e2+! vacates e1-h4 diagonal for 13 - Qe1#, forks K + Q Efimov vs Bronstein, 1941  (C34) King's Gambit Accepted, 12 moves, 0-1 21 ... d6-d5!! vacates c5-e7 diagonal for 22 ... Be7-c5!! J Polgar vs Kasparov, 2002  (B33) Sicilian, 45 moves, 0-1 37 - d3-d2! threatens 38 - d1=Q, vacates a6-f1 for 38 - Bd7-b5 Kramnik vs Kamsky, 1994  (A17) English, 38 moves, 0-1 19 Qg7-h8! vacates g7-square for 19 ... Rf8xQh8?? 20 Nf5-g7# D Rivera vs Bellon Lopez, 2001 (B40) Sicilian, 23 moves, 0-1 34 e4-e5! vacates the e4-square for White c3-knight Lasker vs Capablanca, 1914  (C68) Ruy Lopez, Exchange, 42 moves, 1-0 25 d4-d5! vacates d4-square for White e2-knight, piling on pin Carlsen vs Ivanchuk, 2007  (D86) Grunfeld, Exchange, 35 moves, 1-0 16 c3-c4! vacates c3-square for 17 Nb1-c3, defending e2-bishop Kasparov vs Leko, 1997  (C45) Scotch Game, 31 moves, 1-0 39 ... c2-c1=Q+!! rids Black of pawn that shelters White king M Gurevich vs Leko, 2007  (E32) Nimzo-Indian, Classical, 53 moves, 0-1 41 ... c2-c1=Q+! now White d2-rook can be captured with check Predojevic vs Carlsen, 2006  (B96) Sicilian, Najdorf, 40 moves, 0-1 17 Nd4xb5! vacates the d4-square for 18 Qd2-d4 double attack Chandler vs W Beckemeyer, 1987  (B80) Sicilian, Scheveningen, 33 moves, 1-0 21 e4-e5! vacates e4-square for 22 Nc3-e4, with attack Spassky vs Petrosian, 1969  (B94) Sicilian, Najdorf, 24 moves, 1-0 28 Rf6xe6+! vacates the f6-square for the White f3-queen Fischer vs W Hook, 1970  (C18) French, Winawer, 28 moves, 1-0 40 Nf6-d7+!! vacates the f6-square to allow 41 Qh4-f6+, mating Kasparov vs Bareev, 2001  (C07) French, Tarrasch, 41 moves, 1-0 38 Nc8-d6+! vacates c8-square with gain of time for 39 c7-c8=Q Ivan Popov vs A Grigoryan, 2007  (D00) Queen's Pawn Game, 38 moves, 1-0 28 Qh6-g7+! vacates h6-square for White f5-knight, 29 Nf5-h6# A Adly vs V Laznicka, 2007  (A07) King's Indian Attack, 28 moves, 1-0 28 Rg5-h5+! vacates g5-square for White e5-queen and 29 Qe5-g5# La Bourdonnais vs McDonnell, 1834  (D20) Queen's Gambit Accepted, 29 moves, 1-0 34 ... Rd4-c4!! rook supports passed c-pawn, clears d4 for pin A Yurgis vs Botvinnik, 1931  (A15) English, 37 moves, 0-1 19 Nf3-h4! opens d1-h5 diagonal for a lethal upcoming Qd1-g4 Carlsen vs Beliavsky, 2006  (C78) Ruy Lopez, 20 moves, 1-0 21 c4-c5!! vacates a2-g8 diagonal for threat of Ba2xf7+,Ra1xQa4 Kasparov vs Leko, 2001  (C84) Ruy Lopez, Closed, 31 moves, 1-0 19 e3-e4! vacates e4-square for 20 Nd2-e4!, pawn fork threat Korchnoi vs Tal, 1962  (A62) Benoni, Fianchetto Variation, 54 moves, 1-0 34 e4-e5! vacates the line b1-h7 for White c2-bishop to attack Carlsen vs H Harestad, 2003  (C98) Ruy Lopez, Closed, Chigorin, 38 moves, 1-0 29 Rg7xh7+! vacates g7-square for White g5-queen, 30 Qg5-g7# Kramnik vs N Rashkovsky, 1991  (E33) Nimzo-Indian, Classical, 31 moves, 1-0 16 ... Nb4-d3+!! vacates b4-square, a5-e1 for 17 ... Nc5-b4+ T Barnes vs Morphy, 1858  (C41) Philidor Defense, 23 moves, 0-1 29 Rg7xh7+! vacates loose g7-square for Qg3-c7+-g7 maneuver Fischer vs D C Kumro, 1964  (C28) Vienna Game, 30 moves, 1-0 46 - Kg5-h5! vacate g5-square for Black f3-knight, 47 - Nf3-g5# Korchnoi vs Fischer, 1962  (E62) King's Indian, Fianchetto, 44 moves, 0-1 33 d5-d6! opens a2-g8 diagonal allowing f1-bishop to join attac Karjakin vs Van Wely, 2007  (B90) Sicilian, Najdorf, 35 moves, 1-0 26 e4-e5! vacates the e4-square to threaten winning Nc3-e4-f6+ Anand vs J Ye, 1989  (B81) Sicilian, Scheveningen, Keres Attack, 31 moves, 1-0 25 ... Qf2xRe1+! vacates f2-square for royal fork 26 .. Ng4-f2+ A Aleksandrov vs Adams, 2002  (E55) Nimzo-Indian, 4.e3, Gligoric System, Bronstein Variation, 35 moves, 0-1 32 ... Re8-e7 vacates e8-square, threatens skewer 33 ... Bg6-e8 E Inarkiev vs V Gashimov, 2008  (A70) Benoni, Classical with 7.Nf3, 53 moves, 1/2-1/2 21 Nc4-d6! vacates c4-square, 22 Bf1-c4+ vacates f1-square Tartakower vs Schlechter, 1909   (C30) King's Gambit Declined, 33 moves, 1-0 23 ... Ne4-c3+! vacates e4-square for pawn fork 24 ... e5-e4 Van Wely vs Carlsen, 2008  (E36) Nimzo-Indian, Classical, 26 moves, 0-1 30 Rh5xNc5! vacates h5-square for 31 Qg4-h5+, 32 Qh5xBc5 Kasparov vs Karpov, 2001  (B12) Caro-Kann Defense, 31 moves, 1-0 17 Ne7-g6+! vacates the e7-square for pawn fork 18 e6-e7 Geller vs J Vatnikov, 1950  (B89) Sicilian, 17 moves, 1-0 44 Be3xh6! vacates the e-file for the rook fork 45 Re2xe4+ Yifan Hou vs D Howell, 2008  (C96) Ruy Lopez, Closed, 61 moves, 1/2-1/2 28 Qd8xBf8+! vacates the d8-promotion square with gain of time Smyslov vs Karpov, 1971  (D41) Queen's Gambit Declined, Semi-Tarrasch, 29 moves, 1-0 45 Rc2xBc4! vacates c2-square for knight fork winning a rook Lasker vs Duras, 1909   (D26) Queen's Gambit Accepted, 54 moves, 1-0 34 Rg6-h6+! vacates g6-square for White g4-queen and 35 Qg4-g6# Carlsen vs Radjabov, 2008  (B78) Sicilian, Dragon, Yugoslav Attack, 10.castle long, 37 moves, 1-0 29 e4-e5!! vacates e4-square for White g2-bishop, 32 Bg2-e4+ Ivanchuk vs Topalov, 1996  (B84) Sicilian, Scheveningen, 34 moves, 1-0 28 ... Re3-e4! vacates e3-square for 29 ... Bh6-e3+, winning D Zagorskis vs Sadler, 1998  (A10) English, 32 moves, 0-1 39 Rd8-g8+! vacates d8-checking sq for 40 Qg5-d8+, mate in 2 M Rodshtein vs I Caspi, 2008  (E94) King's Indian, Orthodox, 39 moves, 1-0 23 Re3xe4!! brilliant line clearance for the pinning 24 Bd2-f4 Fischer vs S Schweber, 1970  (C18) French, Winawer, 47 moves, 1-0 48 - Ng1-f3+! vacates undefended g1-promotion square with tempo Van Wely vs Mamedyarov, 2004  (A52) Budapest Gambit, 48 moves, 0-1 14 Bc1-h6! vacates the first rank to threaten Black with Ra1-d1 Carlsen vs Radjabov, 2009  (B40) Sicilian, 60 moves, 1/2-1/2 22 Qh6-g7+! vacates the h6-square for 23 Ng4-h6+, mating Bird vs Pinkerley, 1850  (000) Chess variants, 24 moves, 1-0 50 Bd6xf4! gets out of way of d5-passer with tempo from capture Aronian vs Eljanov, 2009  (D37) Queen's Gambit Declined, 50 moves, 1-0 18 d5-d6!! vacates the d5-square for winning maneuver Ne2-c3-d5 Svidler vs Mamedyarov, 2009  (B07) Pirc, 24 moves, 1-0 24 ... Ng2xRe1! vacates the g2-square to threaten 25 ... g3-g2# Gelfand vs Nakamura, 2010  (E97) King's Indian, 33 moves, 0-1 36 ... Rg3-h3+! vacates the g-file for 37 ... Qg7-g2+, mating J Arizmendi Martinez vs J M Gomez Esteban, 2006  (B12) Caro-Kann Defense, 36 moves, 0-1 60 games