CAW! CAW! EEK! Greco vs NN, 1620  (D20) Queen's Gambit Accepted, 6 moves, 1-0 Even when playing against NN, don't check reflexively. J Wilson vs NN, 1795  (C37) King's Gambit Accepted, 11 moves, 0-1 The immortal patzer NN blunders into a Q-sac mate. NN vs Du Mont, 1802  (A02) Bird's Opening, 6 moves, 0-1 The Immortal Patzer basically ceded R & B when given Q-odds. Cochrane vs NN, 1832  (000) Chess variants, 14 moves, 1-0 29 ... Black to move and grab defeat from the jaws of victory. Staunton vs Anderssen, 1851  (C54) Giuoco Piano, 30 moves, 1-0 7. ...Qd7?? 8. Qxb7 ZIP-POW! Kolisch vs E Geake, 1860  (C41) Philidor Defense, 9 moves, 1-0 Touch-move trouble Wiede vs A Goetz, 1880  (C33) King's Gambit Accepted, 7 moves, 0-1 In that position, pinning the Q was a TERRIBLE idea. Tarrasch vs B Richter, 1883  (A84) Dutch, 20 moves, 0-1 4 ...Qh4 and 5 ...Nf6? P Frazer vs Taubenhaus, 1888  (C45) Scotch Game, 8 moves, 1-0 The winner is the one who blunders second-to-last. J M Hanham vs Chigorin, 1889   (C53) Giuoco Piano, 30 moves, 0-1 32. Bb4?? blunders the match away. Chigorin vs Steinitz, 1892  (C34) King's Gambit Accepted, 32 moves, 0-1 Illegal move by accident? Make a King move, then. Lindemann vs Echtermeyer, 1893   (B01) Scandinavian, 3 moves, 0-1 "Oh Minty, Minty, Minty!" Pillsbury vs E Chatard, 1900  (B02) Alekhine's Defense, 16 moves, 1-0 Next time try d4, THEN f3! B R vs A Wagner, 1902  (C33) King's Gambit Accepted, 5 moves, 0-1 Resigning when on the verge of winning Von Popiel vs G Marco, 1902  (C41) Philidor Defense, 36 moves, 1-0 Don't go poaching crows while leaving the King unprotected. Rodzynski vs Alekhine, 1913  (C41) Philidor Defense, 15 moves, 0-1 Who are you and what have you done with Capablanca!? Capablanca vs A Kramer, 1914  (C26) Vienna, 9 moves, 0-1 And another King-move-for-illegal-move sub. L Palau vs S Kalabar, 1927  (E11) Bogo-Indian Defense, 5 moves, 1-0 Single-P-pushing w/out piece development is wood-pushing. F Bethge vs Legal, 1930  (C21) Center Game, 12 moves, 1-0 Don't get your Queen trapped like this! J Cukierman vs NN, 1934  (B00) Uncommon King's Pawn Opening, 6 moves, 1-0 Fianchettoops! E Pedersen vs A Zografakis, 1950  (B71) Sicilian, Dragon, Levenfish Variation, 10 moves, 1-0 5 ...Nd7????? Keres vs E Arlamowski, 1950  (B10) Caro-Kann, 6 moves, 1-0 Crazy Horse V Borsony vs A Laustsen, 1956  (B70) Sicilian, Dragon Variation, 7 moves, 1-0 8. ...c6? Did you forget to say "J'adoube"? N Speijer vs Couvee, 1955  (C14) French, Classical, 15 moves, 1-0 Falling for blatant sacs Reshevsky vs Z Margalit, 1958  (E42) Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein), 9 moves, 0-1 Abracadabra--Q disappears! Korchnoi vs Bronstein, 1959  (D51) Queen's Gambit Declined, 32 moves, 1-0 Borg Defense, Butterfingers Variation W T Mayfield vs W R Trinks, 1959  (B00) Uncommon King's Pawn Opening, 3 moves, 1-0 Win the Bishop, lose the King. Filip vs K Darga, 1961  (A14) English, 33 moves, 0-1 Playing the Stonewall? Guard h5, lest your stone be 100% talc! G Pfeiffer vs S Batlouni, 1960  (D31) Queen's Gambit Declined, 8 moves, 1-0 I'll take with the Q; it's not like that P's guarded or--Oops! S Noorda vs Timman, 1964  (C02) French, Advance, 9 moves, 1-0 Yes, your opponent blundered, but still, not everything wins. J Emma vs Stein, 1966  (B50) Sicilian, 48 moves, 1/2-1/2 NN commits identity theft against Bobby Fischer. Najdorf vs Fischer, 1966  (E75) King's Indian, Averbakh, Main line, 31 moves, 1-0 Missed the forced mate needed to escape one M Burkett vs D Fritzinger, 1969  (C23) Bishop's Opening, 27 moves, 0-1 Unguarding the checkmate square Barney vs Mccrum, 1969  (A02) Bird's Opening, 5 moves, 0-1 Forgot he didn't have to worry about his opponent castling. Tal vs Larsen, 1969  (B04) Alekhine's Defense, Modern, 50 moves, 0-1 Don't lead with the lady in the Ruy! D Smith vs B Wall, 1971  (C65) Ruy Lopez, Berlin Defense, 12 moves, 0-1 If that was checkmate, I'm Bobby Fischer! Reshevsky vs Savon, 1973  (A77) Benoni, Classical, 9...Re8, 10.Nd2, 40 moves, 0-1 Queen moved too soon K Kusin vs J Varfolomeev, 1973  (A00) Uncommon Opening, 4 moves, 0-1 "You! Didn't! Even! Show! UP!" K Grigorian vs Savon, 1973  (A00) Uncommon Opening, 1 moves, 1-0 Get the Q out of danger; don't just guard her! Chaos vs Bs6676, 1977  (D08) Queen's Gambit Declined, Albin Counter Gambit, 24 moves, 1-0 The OTHER castle! G Morrison vs G Chandler, 1978  (A01) Nimzovich-Larsen Attack, 16 moves, 0-1 Don't castle onto a pawnless side! Carta vs Cassano, 1980  (C35) King's Gambit Accepted, Cunningham, 7 moves, 0-1 Don't P-grab with a piece already moved 2x in the opening! Carta vs Scarpata, 1980  (B50) Sicilian, 8 moves, 1-0 34. ... Black to play and get his own Q ensnared S Polgar vs Z Kiss, 1980  (E87) King's Indian, Samisch, Orthodox, 36 moves, 1-0 Grob Opening, Oops Variation. L Darling vs R Wood, 1983  (A00) Uncommon Opening, 2 moves, 0-1 External distractions! K Shirazi vs J Peters, 1984  (B20) Sicilian, 5 moves, 0-1 b4 the storm Short vs Chiburdanidze, 1985  (B72) Sicilian, Dragon, 31 moves, 0-1 This was an easy win, right? Kasparov vs K Georgiev, 1988  (A29) English, Four Knights, Kingside Fianchetto, 78 moves, 1/2-1/2 5 ...Bf5?? A Zapata vs Anand, 1988  (C42) Petrov Defense, 6 moves, 1-0 Snatch a Pawn, lose pieces. J Gallagher vs Miles, 1990  (C28) Vienna Game, 11 moves, 0-1 Really shouldn't have pushed the g-Pawn there. Van Kessel vs Rensen, 1990  (A03) Bird's Opening, 3 moves, 0-1 Walked into a family fork B Wall vs K Saint Amant, 1991  (B21) Sicilian, 2.f4 and 2.d4, 10 moves, 1-0 An error even the Immortal Patzer knows how to exploit NN vs E Fossan, 1991  (C42) Petrov Defense, 5 moves, 1-0 Lost on time just as he was reaching to deliver mate. A Ivanov vs Yermolinsky, 1993  (B57) Sicilian, 37 moves, 0-1 Make sure you read the correspondence correctly. P A Boll vs F Baumbach, 1994  (B32) Sicilian, 10 moves, 1-0 That P and that N were both poisoned! P Dosoudil vs J Kuchta, 1995  (C56) Two Knights, 11 moves, 0-1 Got too greedy on the 28th move P Kubala vs J Stocek, 1997 (B51) Sicilian, Canal-Sokolsky (Rossolimo) Attack, 28 moves, 0-1 See footage of Kasparov reacting after his blunder on move 33. Anand vs Kasparov, 1996  (B90) Sicilian, Najdorf, 54 moves, 1-0 Fingerfehler costs Q and R M Mankinen vs J Gronemann, 1999  (B01) Scandinavian, 9 moves, 1-0 Throwing away the B that guarded against mate. M Gurevich vs Serper, 2000  (A21) English, 47 moves, 1-0 Misses a chance to mate in 1, then loses game. Z Gofshtein vs M Gurevich, 2001  (C11) French, 39 moves, 1-0 Repeating a classic blunder move-for-move O Bjarnason vs V Dittler, 2001  (A00) Uncommon Opening, 7 moves, 1-0 7. ... Kg8?? R Maidana vs P Goette, 2001  (C57) Two Knights, 10 moves, 1-0 Leaving the Q hanging Pg Hj Jaafar Pg Omar Baki vs M Ismail, 2001  (D06) Queen's Gambit Declined, 8 moves, 1-0 Move your PAWNS! I Penko vs Jernej Novak, 2001  (A04) Reti Opening, 10 moves, 0-1 Pawn-snatching again G Putzbach vs M Kopylov, 2001  (B05) Alekhine's Defense, Modern, 36 moves, 1-0 69. Kf4????? Beliavsky vs L E Johannessen, 2002  (D58) Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) Syst, 69 moves, 0-1 Overlooked PxQ Topalov vs Karpov, 2002  (B17) Caro-Kann, Steinitz Variation, 29 moves, 0-1 Walking into a catastrophic fork of loose pieces R Sander vs Carlsen, 2002  (C01) French, Exchange, 29 moves, 0-1 Pawn-grabbing the Queen and King away S Titova vs D Koveshnikova, 2002  (B21) Sicilian, 2.f4 and 2.d4, 10 moves, 1-0 Both sides missed 51. Qh7# F Bellini vs V Gashimov, 2002  (B30) Sicilian, 75 moves, 1/2-1/2 Mouse malfunction on move 20 M Pavlovic vs M Umansky, 2003  (B00) Uncommon King's Pawn Opening, 20 moves, 0-1 Blowing the chance to stop passed Pawns. B Finegold vs Kaidanov, 2003  (D45) Queen's Gambit Declined Semi-Slav, 54 moves, 0-1 Remember to turn off your cellphone before the game! E Agrest vs Ponomariov, 2003  (A15) English, 28 moves, 1-0 Throwing the Rook away in the endgame Short vs Krasenkow, 2004  (B33) Sicilian, 122 moves, 0-1 That Knight was pinned! J Radovanovic vs M Quinn, 2004  (B23) Sicilian, Closed, 40 moves, 0-1 19. ... Rfd8? "Really sophisticated idiots," as Thete said. P Lafuente vs Shredder, 2005  (E32) Nimzo-Indian, Classical, 52 moves, 1-0 Another case of moving the Q into the line of fire. L Bruzon Batista vs Krasenkow, 2005  (B40) Sicilian, 64 moves, 1-0 When pushing the passed Pawn is woodpushing Carlsen vs M Gagunashvili, 2006  (B48) Sicilian, Taimanov Variation, 65 moves, 0-1 Blundering away the Queen and King Aronian vs Svidler, 2006  (D80) Grunfeld, 24 moves, 0-1 Q chases Q to checkmate Deep Fritz vs Kramnik, 2006  (D20) Queen's Gambit Accepted, 35 moves, 1-0 I'll just give a check. What could go wrong? K Urban vs Naiditsch, 2007  (A15) English, 50 moves, 1-0 King Bluebeard? D Reinderman vs C S Matamoros Franco, 2008  (C25) Vienna, 37 moves, 1-0 Shouldn't have accepted that Q sac. O C Moen vs A Livner, 2008  (B48) Sicilian, Taimanov Variation, 24 moves, 1-0 "Why don't you use your Horse sense?" A Accouche vs S Howell, 2008  (C45) Scotch Game, 7 moves, 0-1 Can't identify just one blunder here. Niloofar Nayab vs C Carrero, 2008  (A40) Queen's Pawn Game, 29 moves, 0-1 Upstairs, downstairs, and on my lady's flight square. Shulman vs B Savchenko, 2009  (E15) Queen's Indian, 25 moves, 0-1 Blundered into a K & Q fork A Deviatkin vs V Meijers, 2009 (E00) Queen's Pawn Game, 39 moves, 1-0 So much time on early moves that time panic set in 22 moves in. Grischuk vs Gelfand, 2010  (D44) Queen's Gambit Declined Semi-Slav, 32 moves, 0-1 "I just don't know what went wrong!" S van de Venter vs A Kromhout, 2011  (A40) Queen's Pawn Game, 5 moves, 0-1 44. QxB?? M Pichette vs M Leutschaft, 2011  (A58) Benko Gambit, 44 moves, 0-1 Should have played 9. Re1 Bill Gates vs Carlsen, 2014  (B00) Uncommon King's Pawn Opening, 9 moves, 0-1 87. ... Ke7 illegal move forfeit Nakamura vs B Savchenko, 2014  (C00) French Defense, 87 moves, 1-0 White proceeded to blunder the Q away instead of 57 b6#. D Daulyte-Cornette vs M Socko, 2015  (C03) French, Tarrasch, 56 moves, 0-1 Hung the Knight out to dry Kasparov vs So, 2016  (B40) Sicilian, 41 moves, 0-1 The Q was right to retreat, but not to there! Nakamura vs Carlsen, 2016  (E15) Queen's Indian, 22 moves, 0-1 Not as far as intended. R Antonio vs A Reprintsev, 2017  (B01) Scandinavian, 3 moves, 1-0 Must have dropped the Bishop by accident. E Abdrlauf vs K Holm, 2018  (B27) Sicilian, 14 moves, 0-1 Throwing away a Knight right off the bat Sigurdur Eiriksson vs E Fjallheim, 2018  (D02) Queen's Pawn Game, 6 moves, 1-0 11. ... Qe7? V Fedoseev vs Bologan, 2018  (E12) Queen's Indian, 23 moves, 1-0 100 games