48 - Rf3-a3! blocks White a8-rook from defending a1-promtion sq Kamsky vs Leko, 2008  (A46) Queen's Pawn Game, 48 moves, 0-1 31 Re1-e7! blocks Black d7-queen from defending g7-mating squar Svidler vs Leko, 2009  (C84) Ruy Lopez, Closed, 32 moves, 1/2-1/2 50 Bc3-e5! blocks Black f4-bishop from defending b8-queening sq Jakovenko vs Naiditsch, 2009  (B90) Sicilian, Najdorf, 62 moves, 1-0 32 ... Bf5! blocks line from White f2-queen to White f7-rook A Spielmann vs Radjabov, 1999  (A84) Dutch, 39 moves, 0-1 38 Nf5+!! g6xf5 blocks line of Black f4-queen to f6-square Carlsen vs Vachier-Lagrave, 2006  (B48) Sicilian, Taimanov Variation, 38 moves, 1-0 31 Bc7!! rare occurrence of the Plachutta theme in an OTB game Tarrasch vs Marotti / Napoli / de Simone / del, 1914   (A03) Bird's Opening, 31 moves, 1-0 32 Bg2-d5! blocks the line from Black d8-rook to loose d4-rook Anand vs Adams, 1994  (B04) Alekhine's Defense, Modern, 39 moves, 1-0 12 e4-e5! closes d6-h2 diagonal, preventing ... Bd6xh2+ defense Hort vs V Zheliandinov, 1967  (C69) Ruy Lopez, Exchange, Gligoric Variation, 12 moves, 1-0 26 Rg1-g6! closes the 6th rank from Black f6-queen to h6-square I Mutschnik vs Aronian, 2004  (C45) Scotch Game, 26 moves, 1-0 25 Bf7-e6! blocks 6th rank from Black b6-queen to h6-square Gelfand vs Shirov, 1998  (D85) Grunfeld, 39 moves, 1-0 32 - Nc3-d1+! blocks line from White e1-rook to loose c1-knight Timman vs Kasparov, 1988  (E88) King's Indian, Samisch, Orthodox, 7.d5 c6, 45 moves, 0-1 28 Bc1-f4! blocks lines f2-f8, c7-h2, gains time on Black queen Capablanca vs Spielmann, 1911  (D02) Queen's Pawn Game, 30 moves, 1-0 29 Bb6-d8+! Black h8-rook BLOCKED from b8-promotion square Anand vs Topalov, 2007  (B90) Sicilian, Najdorf, 29 moves, 1-0 19 ... Nd6-e4! BLOCKS White d3-bishop from defending g6-knight Short vs Harikrishna, 2007  (C01) French, Exchange, 19 moves, 0-1 33 ... b4-b3! closes a4-c2; White cannot defend c2 with Bd7-a4 Li Shilong vs Y Wang, 2006  (B33) Sicilian, 35 moves, 0-1 29 Rb5-b6! BLOCKS the corridor from Black a6-queen to c6-knight A Timofeev vs R Ovetchkin, 2007  (B01) Scandinavian, 32 moves, 1-0 36 c4-c5! closes line from Black b6-queen to loose d4-knight Kasparov vs Gelfand, 1997  (E15) Queen's Indian, 37 moves, 1-0 Navara's Novotny 31 Rc1-c6!! blocks Black b7-bishop, a6-rook Navara vs A Dergatschova, 2007  (D07) Queen's Gambit Declined, Chigorin Defense, 36 moves, 1-0 28 ... Bg7-d4+! blocks line from White d2-rook to loose d7-rook Mamedyarov vs Carlsen, 2007  (A57) Benko Gambit, 58 moves, 0-1 47 .. Nc4-b2! simply closes line to White a2-knight, winning it Gheorghiu vs Beliavsky, 1982  (A58) Benko Gambit, 47 moves, 0-1 25 ... Bc2-d3!! is Korchnoi's famous Novotny interference shot R Fuchs vs Korchnoi, 1965  (B83) Sicilian, 27 moves, 0-1 Karjakin's Novotny 25 Nc3-d5!! blocks both c5-e5 and e6-c4 Karjakin vs E Alekseev, 2007  (B90) Sicilian, Najdorf, 27 moves, 1-0 29 - Ne4-c5! blocks line from White c2-queen to loose c8-bishop Z Kozul vs Topalov, 2007  (D02) Queen's Pawn Game, 41 moves, 0-1 28 ... Nc4-e3! blocks line from White e1-rook to loose e4-rook Portisch vs Fischer, 1966  (E45) Nimzo-Indian, 4.e3, Bronstein (Byrne) Variation, 35 moves, 0-1 38 Re1-e6! blocks Black d5-queen from defending g8-promotion sq Y Hou vs V Laznicka, 2008  (C67) Ruy Lopez, 41 moves, 1-0 30 ... Re2-e3! closes line from d3-queen to loose f3-knight/sq Anand vs Aronian, 2008  (C89) Ruy Lopez, Marshall, 34 moves, 0-1 30 Ne4-c5+!! blocks the Black c1-queen from c7-checking square Topalov vs Ivanchuk, 2008  (B90) Sicilian, Najdorf, 46 moves, 1-0 29 g4-g5 cuts off line from Black f6-bishop to loose h4-knight Petrosian vs B Gurgenidze, 1956  (E62) King's Indian, Fianchetto, 47 moves, 1-0 30 ... Be4-c6! blocks line from White a4-queen to loose e8-rook Taimanov vs Fischer, 1971  (E97) King's Indian, 42 moves, 0-1 26 Ba6-b5! blocks Black b8-rook from defending Black b4-knight Anand vs Morozevich, 2008  (C14) French, Classical, 35 moves, 1-0 32 ... Rd8-d3!! 33 Nf4xRd3 blocks White c3-queen from f3-square Shirov vs Ivanchuk, 2008  (D85) Grunfeld, 36 moves, 0-1 33 ... e3-e2! 34 Rb2xe2 blocks White c4-queen from f1-square E Inarkiev vs Shirov, 2008  (D12) Queen's Gambit Declined Slav, 34 moves, 0-1 34 Nf3-g5! closes the line from Black g4-queen to g7-mating sq Speelman vs Short, 1980  (E40) Nimzo-Indian, 4.e3, 34 moves, 1-0 45 Bg2-c6! blocks line of Black c4-rook to c8-promotion square Bacrot vs B G Meissner, 2008  (E91) King's Indian, 45 moves, 1-0 49 Bh5-f3+! blocks Black f1-rook from defending f8-promotion sq Morozevich vs Adams, 2001  (A28) English, 48 moves, 1-0 34 Nd5-e7+! blocks Black d7-queen from f7-checking focal point Ivanchuk vs Topalov, 1996  (B84) Sicilian, Scheveningen, 34 moves, 1-0 21 Bf1-b5! blocks line from Black e8-queen to loose a4-knight Fischer vs E German, 1962  (C43) Petrov, Modern Attack, 30 moves, 1-0 22Nd3-c5! closes line from c8 to loose c2-rook,attacks d7-queen V Belov vs H Wang, 2009  (B52) Sicilian, Canal-Sokolsky (Rossolimo) Attack, 49 moves, 1-0 16 ... Bd5-c6 blocks line from c1 to c7 @ c6, attacks a4-queen Botvinnik vs Portisch, 1968  (A22) English, 26 moves, 1-0 26 ... Bf3+! blocks White f2-rook from defending White f4-queen Chigorin vs Pillsbury, 1895  (C49) Four Knights, 26 moves, 0-1 30 ... Ng2!! blocks White e2-queen from h2-mating focal point Gelfand vs B Kantsler, 2001  (E98) King's Indian, Orthodox, Taimanov, 9.Ne1, 34 moves, 0-1 27 Rd6! blocks line between Black b6-queen, e6-knight, mating Pillsbury vs D G Baird, 1893  (D00) Queen's Pawn Game, 32 moves, 1-0 36 Re1-e7! blocks Black c7-queen from protecting h7-checking sq Bologan vs A Adly, 2009  (B90) Sicilian, Najdorf, 46 moves, 1-0 40 Nd7-b6 blocks Black b2-rook from protecting b8-promotion sq Karjakin vs Navara, 2009  (C10) French, 40 moves, 1-0 16 ... Be7-b4+! blocks White b3-queen from protecting b5-bishop Karpov vs Polgar, 2003  (E12) Queen's Indian, 33 moves, 0-1 45 games