40 Nd7+!! Bc6xNd7 Black d7-bishop takes d7 away from Black king Kasparov vs Bareev, 2001  (C07) French, Tarrasch, 41 moves, 1-0 40 .. b4-b3+! 41 a2xb3 self-blocks White c2-king's b3-flight sq Ivanchuk vs Topalov, 2009  (B99) Sicilian, Najdorf, 7...Be7 Main line, 54 moves, 0-1 43 Qg7+!! Nxg7 self-blocks g7 for 44 Ng8+ Kf7 45 Ng5# Tal vs Hjartarson, 1987  (C97) Ruy Lopez, Closed, Chigorin, 43 moves, 1-0 29 Rh5+!! Nxh5 self-blocks the h5-square for 30 g5# T L Petrosian vs A Minasian, 2006  (C67) Ruy Lopez, 30 moves, 1-0 10 - Qe8?? saves Black g6-knight but self-blocks Black e7-king Zukertort vs Anderssen, 1865  (C60) Ruy Lopez, 12 moves, 1-0 19 Rc1? restricts White b1-queen to b1-h7 diagonal, 19 ... Bf5! Smyslov vs Gligoric, 1959  (E61) King's Indian, 18 moves, 0-1 29 c6! dxc6?? 30 Bb5-c4# Black c6-pawn self-blocks d5-king I Sokolov vs A Greet, 2007  (E12) Queen's Indian, 31 moves, 1-0 34 ... Ke7-d8?? Black c8-queen now has no squares to move to S Polgar vs Z Kiss, 1980  (E87) King's Indian, Samisch, Orthodox, 36 moves, 1-0 40 - Bc3-d4+! makes White self-block e3-square for 41 - Rb1-f1# Kazhgaleyev vs J Polgar, 2007  (E71) King's Indian, Makagonov System (5.h3), 40 moves, 0-1 25 e6! f7xe6 self-blocks e6 from Black g7-knight, trapping it Petrosian vs H Corral, 1954  (D35) Queen's Gambit Declined, 29 moves, 1-0 13 Qb3-c2 provokes 13 ... Bc8-f5, self-blocking Black h5-queen Rublevsky vs Ponomariov, 2007  (B16) Caro-Kann, Bronstein-Larsen Variation, 18 moves, 1/2-1/2 39 Qd2-e2?? self-blocks e2-flight square of White d1-king Rublevsky vs Grischuk, 2007  (C45) Scotch Game, 39 moves, 0-1 43 Ra2xBc2? self-blocks c2-square of White b3-king, snap mate J Trevelyan vs F Jenni, 2005  (C68) Ruy Lopez, Exchange, 43 moves, 0-1 16 f4?? White f4-pawn occupies only flight square of e4-queen Pelletier vs Mamedyarov, 2007  (D94) Grunfeld, 26 moves, 0-1 29 ... Qh2+! 30 Bg1xh2 self-blocks h2-square for 30 ,,, Ng4-f2# P Poutiainen vs Szabo, 1975  (B57) Sicilian, 29 moves, 0-1 40 ... Rh2+!! 41 Qxh2 self-blocks the h2-square of the h1-king Y Sakharov vs Kholmov, 1965  (C95) Ruy Lopez, Closed, Breyer, 41 moves, 0-1 27 Rf4-f2?? traps White g1-king on back rank by denying f2-sq Korchnoi vs I Krush, 2007  (A28) English, 27 moves, 0-1 12 .. Bf8-e7?! leaves f6-queen no retreat; 15 Bc1-g5! traps her Fischer vs V Ciocaltea, 1962  (C75) Ruy Lopez, Modern Steinitz Defense, 26 moves, 1-0 18 ... Nf6-d7?! leaves c6-bishop no retreat for 19 Nb6-d5!! Fischer vs H Rossetto, 1959  (B41) Sicilian, Kan, 37 moves, 1-0 25 Qh4-f2? traps White g1-king on back rank for 25 .. Qc4xBc1+! Colle vs Capablanca, 1929  (A47) Queen's Indian, 34 moves, 0-1 31 Qh7+!! Nxh7 self-blocks the h7-square for 32 Rg6# C Hoi vs Gulko, 1988  (A40) Queen's Pawn Game, 31 moves, 1-0 20 ... Be7-d8? takes away the d8-flight square from d5-queen Sutovsky vs E Inarkiev, 2009  (C42) Petrov Defense, 22 moves, 1-0 23 ... Re8-e7 stops mate on f7, self-blocks e7 allowing Qf6-h8# Keres vs Szabo, 1955  (B64) Sicilian, Richter-Rauzer Attack, 23 moves, 1-0 21 Bf3-g4+! forces Black to self-block d7-flight sq of c8-king Carlsen vs Bareev, 2009  (B12) Caro-Kann Defense, 26 moves, 1-0 96 h6-h7? takes away h7-flight square from the White g8-king I Kan vs Korchnoi, 1951  (A04) Reti Opening, 96 moves, 0-1 60 Be2-f3?? self-blocks f3-flight sq for shocking 60 - Nf2-h3#! T Jackelen vs G Welling, 1997  (A46) Queen's Pawn Game, 60 moves, 0-1 38 ... Bf7-g8?? self-blocks g8-flight square for 39 Nf4-g6# Tkachiev vs Ivanchuk, 2009  (C01) French, Exchange, 39 moves, 1-0 41 ... Ne8-g7? self-blocks g8-king on back rank for 42 Ra6-c6!! Aronian vs Nakamura, 2010  (E98) King's Indian, Orthodox, Taimanov, 9.Ne1, 53 moves, 1-0 Shirov vs Dominguez Perez, 2010  (B94) Sicilian, Najdorf, 30 moves, 1/2-1/2 29 games