100...Kg5??? And what about the rook on a1? P H Nielsen vs Karjakin, 2005  (D44) Queen's Gambit Declined Semi-Slav, 101 moves, 1-0 Spassky losing his knight by Scholar´s Mate threat H Lieb vs Spassky, 1979  (C26) Vienna, 24 moves, 1-0 Bb4? Self-mate by Chigorin. Chigorin vs Steinitz, 1892  (C34) King's Gambit Accepted, 32 moves, 0-1 Trapped Queen Nunn vs K Georgiev, 1988  (B17) Caro-Kann, Steinitz Variation, 42 moves, 1-0 S*** happens - particularly if the game is blindfolded Karpov vs Sadler, 1998  (A06) Reti Opening, 13 moves, 0-1 Again Chigorin! Chigorin vs Steinitz, 1889  (C52) Evans Gambit, 26 moves, 0-1 One more self-mate Karpov vs Bareev, 1994  (C07) French, Tarrasch, 36 moves, 1-0 Karpov in a bad mood L Christiansen vs Karpov, 1993  (E12) Queen's Indian, 12 moves, 1-0 Mate?No, just a queen loss Reshevsky vs Savon, 1973  (A77) Benoni, Classical, 9...Re8, 10.Nd2, 40 moves, 0-1 One more queen Kramnik vs Shirov, 2001  (E94) King's Indian, Orthodox, 14 moves, 1-0 Was Anand drunk????? A Zapata vs Anand, 1988  (C42) Petrov Defense, 6 moves, 1-0 And Short self-mates himself Short vs Beliavsky, 1992  (C48) Four Knights, 58 moves, 0-1 Three big blunders in one game between two great players Kramnik vs Topalov, 2005  (B80) Sicilian, Scheveningen, 34 moves, 0-1 24..cxd5?, 25..bxd5? Karpov vs Kasparov, 1990  (E87) King's Indian, Samisch, Orthodox, 29 moves, 1-0 Missed fork Adams vs Leko, 1996  (A45) Queen's Pawn Game, 31 moves, 1-0 Poor Katy... :-( Lagno vs Areshchenko, 2003  (B90) Sicilian, Najdorf, 30 moves, 0-1 Wth happened to Karjakin here? Karjakin vs T L Petrosian, 2005  (B09) Pirc, Austrian Attack, 21 moves, 0-1 Qf8?? Probably the most fatal blunder in Carlsen's career Carlsen vs Bareev, 2005  (B12) Caro-Kann Defense, 46 moves, 0-1 A one-move-blundered Queen at GM level? Yes!!! L Bruzon Batista vs Krasenkow, 2005  (B40) Sicilian, 64 moves, 1-0 Magnus? It can't be true! Carlsen vs M Gagunashvili, 2006  (B48) Sicilian, Taimanov Variation, 65 moves, 0-1 Petrosian Petrosian vs Bronstein, 1956  (E66) King's Indian, Fianchetto, Yugoslav Panno, 36 moves, 0-1 Qxa2?? Larsen vs Najdorf, 1968  (A01) Nimzovich-Larsen Attack, 39 moves, 0-1 Qf8?? Kasparov vs Kramnik, 1994  (B33) Sicilian, 36 moves, 1-0 24.exd4?? Aronian vs Svidler, 2006  (D80) Grunfeld, 24 moves, 0-1 Mate in ONE Deep Fritz vs Kramnik, 2006  (D20) Queen's Gambit Accepted, 35 moves, 1-0 Ehrm, Pari, wasn't it mate? And what did Rg1 mean at all? Negi vs Lagno, 2006  (C78) Ruy Lopez, 39 moves, 1/2-1/2 Lost Draw Carlsen vs Topalov, 2007  (D45) Queen's Gambit Declined Semi-Slav, 64 moves, 1-0 Rf1?? K Urban vs Naiditsch, 2007  (A15) English, 50 moves, 1-0 Bent Larsen S Giardelli vs Larsen, 2004  (A47) Queen's Indian, 21 moves, 1-0 A mistake which he won't make in the next 70 years? Portisch vs Spassky, 2007  (A95) Dutch, Stonewall, 25 moves, 1-0 Spassky III Spassky vs Karpov, 1988  (B17) Caro-Kann, Steinitz Variation, 22 moves, 0-1 Mate in 1 missed by both players. F Bellini vs V Gashimov, 2002  (B30) Sicilian, 75 moves, 1/2-1/2 Bd6?? Motylev vs Carlsen, 2007  (C95) Ruy Lopez, Closed, Breyer, 35 moves, 0-1 Qxh5 makes it complete D Donchev vs Topalov, 1989  (C04) French, Tarrasch, Guimard Main line, 19 moves, 1-0 Kasparov Anand vs Kasparov, 1996  (B90) Sicilian, Najdorf, 54 moves, 1-0 Kamsky vs Shirov, 2007  (D00) Queen's Pawn Game, 29 moves, 0-1 Short vs Chiburdanidze, 1985  (B72) Sicilian, Dragon, 31 moves, 0-1 stalemate Kasparov vs K Georgiev, 1988  (A29) English, Four Knights, Kingside Fianchetto, 78 moves, 1/2-1/2 stalemate 2 Karpov vs Polgar, 1998  (E60) King's Indian Defense, 75 moves, 1/2-1/2 Blundering Thrice (black 28, white 30, white 37) Ivanchuk vs Aronian, 2008  (C84) Ruy Lopez, Closed, 60 moves, 0-1 Ke5?? Some say worst, but game #1 is much worse:) Carlsen vs Shirov, 2008  (C78) Ruy Lopez, 80 moves, 1-0 Queen Bacrot vs E Inarkiev, 2008  (C69) Ruy Lopez, Exchange, Gligoric Variation, 23 moves, 0-1 Morozevich vs Gelfand, 2009  (C24) Bishop's Opening, 31 moves, 1-0 Helpmate in one Beliavsky vs L E Johannessen, 2002  (D58) Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) Syst, 69 moves, 0-1 A blunder by a computer! P Lafuente vs Shredder, 2005  (E32) Nimzo-Indian, Classical, 52 moves, 1-0 Moves 59+ J Zawadzka vs E Paehtz, 2010  (B12) Caro-Kann Defense, 64 moves, 1/2-1/2 One-move blunder on move 11 Stripunsky vs Onischuk, 2012  (B11) Caro-Kann, Two Knights, 3...Bg4, 11 moves, 0-1 One-move blundered queen (black's 34th, the opponent misses it) J Emma vs Stein, 1966  (B50) Sicilian, 48 moves, 1/2-1/2 Mate in two missed by both Rubinstein vs Nimzowitsch, 1912   (A55) Old Indian, Main line, 50 moves, 1-0 Szabo vs Reshevsky, 1953  (D42) Queen's Gambit Declined, Semi-Tarrasch, 7.Bd3, 27 moves, 1/2-1/2 Kramnik vs H Wang, 2013  (D16) Queen's Gambit Declined Slav, 26 moves, 1-0 51 games