11 Qxg4! Black e6-bishop blocks a2-g8 diagonal, not defend g4 Messinger vs M Rack, 1989  (C42) Petrov Defense, 11 moves, 1-0 Black f7-pawn, d7-knight must block lines, cannot defend e6, f6 Radjabov vs Anand, 2006  (B97) Sicilian, Najdorf, 16 moves, 1-0 36 Bxg6! Black f7-pawn blocks 7th rank, cannot defend g6-pawn Petrosian vs Gipslis, 1958  (D32) Queen's Gambit Declined, Tarrasch, 40 moves, 1-0 34 g6! Black f7-pawn blocks f-file, Black h7-pawn blocks h-file Carlsen vs Polgar, 2006  (A45) Queen's Pawn Game, 45 moves, 1-0 32 g6! Black f7-pawn blocks a2-g8 diagonal to Black g8-king Leko vs Gelfand, 2006  (D18) Queen's Gambit Declined Slav, Dutch, 79 moves, 1-0 36 - Nh4+! White g3-pawn blocks g-file, can't defend h4-square Leko vs Grischuk, 2003  (C84) Ruy Lopez, Closed, 36 moves, 0-1 Black f5-pawn cannot block 5th rank and defend e4-knight J Stocek vs V Eingorn, 1998  (C03) French, Tarrasch, 36 moves, 1-0 28 ... Nf3+! White e2-pawn must block 2nd rank, not defend f3 Reti vs Colle, 1925  (A00) Uncommon Opening, 28 moves, 0-1 24 h5!! Black g6-bishop blocks g-file, cannot defend h5-square Krasenkow vs Sutovsky, 1998  (E90) King's Indian, 30 moves, 1-0 28 QxRf5! Black e6-pawn blocks a2-g8 diagonal to g8-king Delchev vs G Giorgadze, 2006  (E00) Queen's Pawn Game, 28 moves, 1-0 30 ... Nxh4! since White g3-pawn must block the b8-h2 diagonal D J Ledger vs P K Wells, 2001  (A07) King's Indian Attack, 33 moves, 0-1 (VAR) 25 g6! Black f7-pawn blocks 7th rank from Re1-e7 threat Ivanchuk vs Leko, 2007  (C45) Scotch Game, 27 moves, 1/2-1/2 27 Qxe6+! Black d5-bishop blocks line g2-c6, cannot defend e6 Carlsen vs Krasenkow, 2007  (D30) Queen's Gambit Declined, 41 moves, 1-0 20 - c5! White b4-pawn must block b-file, cannot defend c5 Lautier vs Kasparov, 1997  (A34) English, Symmetrical, 20 moves, 1/2-1/2 23 - Nf6-g4!! White f3-pawn blocks line b3-g3 of Black b3-queen Karjakin vs Ivanchuk, 2007  (B32) Sicilian, 23 moves, 1/2-1/2 Black g6-bishop BLOCKS White g3-rook on file next to h8-king I Nei vs Petrosian, 1960  (A56) Benoni Defense, 33 moves, 1-0 15 Nf3-e5? White overlooks that White d4-pawn must BLOCK d-file Navara vs Sasikiran, 2007  (D27) Queen's Gambit Accepted, Classical, 20 moves, 0-1 49 ... Nd3xe5! White d4-pawn blocks d-file, cannot defend e5 Shirov vs Ivanchuk, 2005  (C02) French, Advance, 52 moves, 0-1 35 Rd1xBd5! Black e6-pawn blocks e-file, can't defend d5-bishop Kasparov vs Kramnik, 1999  (B62) Sicilian, Richter-Rauzer, 36 moves, 1-0 24 Re7xa7! Black b6-bishop must block a5-d8 to prevent Ba5xRd8 Capablanca vs Rubinstein, 1928  (D02) Queen's Pawn Game, 44 moves, 1-0 60 Ng6xe5! Black d6-pawn blocks a3-f8 diagonal, stops Bf8xNa3 H Wang vs D Andreikin, 2007  (A55) Old Indian, Main line, 73 moves, 1/2-1/2 19 ... Nf6xe4! White f3-pawn blocks line f7-f2 of Black f7-rook Lasker vs Steinitz, 1896  (C71) Ruy Lopez, 30 moves, 0-1 48 ... e2-e1=Q! White d3-knight blocks d-file, cannot defend e1 Leko vs Ivanchuk, 2007  (B80) Sicilian, Scheveningen, 48 moves, 0-1 31 Re1-e6! Black g8-bishop blocks 8th rank, stopping Qh8xKf8 Mamedyarov vs M Gurevich, 2007  (D43) Queen's Gambit Declined Semi-Slav, 31 moves, 1-0 37 ... Ne5-d3+! White e3-rook must block the b6-f2 diagonal Lasker vs Tarrasch, 1908  (C99) Ruy Lopez, Closed, Chigorin, 12...cd, 44 moves, 0-1 32 Nh5!,33 Nf5! Black g6-pawn cannot block g-file, defend h5,f5 Kramnik vs Morozevich, 2003  (C11) French, 37 moves, 0-1 28 ... Rh5!, 32 ... Nf5! White g6-bishop must block the g-file K Georgiev vs Kasparov, 1995  (B90) Sicilian, Najdorf, 58 moves, 0-1 21 Ng3-h5! Black g6-pawn blocks b1-h7 diagonal to the h7-square Mamedyarov vs B Galstian, 2002  (A57) Benko Gambit, 22 moves, 1-0 42 .. Ne4xNg3+! White g2-queen,h2-pawn must block lines to king Anand vs Kasparov, 1997  (B84) Sicilian, Scheveningen, 41 moves, 0-1 18 Re5-f5+! Black g6-pawn blocks h5-bishop from control of f7 Greco vs NN, 1620  (C54) Giuoco Piano, 19 moves, 1-0 26 Bf4xd6! Black e7-pawn blocks White b7-rook from f7-square Tal vs Speelman, 1988  (B08) Pirc, Classical, 34 moves, 1-0 38 ... Rf2-f4+! White g3-pawn stops skewer of g4-king, g6-queen Teichmann vs Marshall, 1902  (C63) Ruy Lopez, Schliemann Defense, 39 moves, 0-1 9 Nf3xe5+! Black d6-pawn blocks 6th rank to c6-flight square Benko vs Sawyer, 1964  (C60) Ruy Lopez, 10 moves, 1-0 14 ... b7-b5! White c4-pawn blocks c-file to loose c3-knight Mamedyarov vs Carlsen, 2008  (B30) Sicilian, 40 moves, 0-1 25 Bh3xf5! Black e6-pawn blocks 6th rank, not defend f5-square Kasparov vs Korchnoi, 1995  (D44) Queen's Gambit Declined Semi-Slav, 27 moves, 1-0 30 Nh4-f5! Black e6-pawn blocks 6th rank, not defend f5-square Yurtaev vs Gulko, 1994  (A07) King's Indian Attack, 30 moves, 1-0 36 Rh4xb4! Black c5-bishop blocks line a7-g1, cannot defend b4 Nepomniachtchi vs Stellwagen, 2008  (B43) Sicilian, Kan, 5.Nc3, 44 moves, 1-0 27 ... Nd3-f4+! e3-,g3-pawns must block files not defend f4-sq F Bindrich vs Z Andriasian, 2007  (D30) Queen's Gambit Declined, 27 moves, 0-1 29 Rg2-g5!! Black e4-knight must block the diagonal b1-h7 Aronian vs H Stefansson, 2004  (D45) Queen's Gambit Declined Semi-Slav, 40 moves, 1-0 32 - Rf3xNf4! White g3-pawn cannot block g-file, defend f4-sq Euwe vs Keres, 1940  (E19) Queen's Indian, Old Main line, 9.Qxc3, 34 moves, 0-1 35 - Nf5-e3! White f2-pawn cannot block 2nd rank, defend e3-sq Tal vs Anand, 1989  (A30) English, Symmetrical, 37 moves, 0-1 24 Rf1-f7!, 25 Bg5-f6!! Black pieces block lines not defend sqs Radjabov vs X Bu, 2008  (D10) Queen's Gambit Declined Slav, 41 moves, 1-0 50 Rg2-g7+!! Black f5-knight blocks e4-h7, not defend g7-square C Li vs H Wang, 2006  (D42) Queen's Gambit Declined, Semi-Tarrasch, 7.Bd3, 55 moves, 1-0 17 Nd4-f5! Black e6-pawn cannot block e-file, defend f5-square Ivanchuk vs Carlsen, 2008  (A30) English, Symmetrical, 43 moves, 1-0 34 ... Rc3-f3! the White g2-pawn must block the diagonal a8-h1 A Riazantsev vs Carlsen, 2005  (E12) Queen's Indian, 36 moves, 0-1 25 ... Be7xg5! White f4-pawn must block b8-h2 diagonal to h2-sq Anand vs Carlsen, 2009  (B30) Sicilian, 34 moves, 0-1 42 ... Re8-f8! White c5-bishop must block c8-rook from c3-mate Morozevich vs Kramnik, 2009  (E32) Nimzo-Indian, Classical, 45 moves, 0-1 47 games