12.Nxf7?? opened the door for a brilliant checkmate net. F A Hoffmann vs A Petrov, 1844  (C53) Giuoco Piano, 20 moves, 0-1 Capturing w/the R rather than Q walked into mate on the move. A P Lellmann vs W Paulsen, 1858 (C41) Philidor Defense, 27 moves, 1-0 39.Qh8? turns a win into a draw. Lowenthal vs Morphy, 1858  (C42) Petrov Defense, 44 moves, 1/2-1/2 27...Ra5 could have drawn. Chigorin vs Steinitz, 1889  (C52) Evans Gambit, 58 moves, 1-0 12...Ke7?? Chigorin vs Gossip, 1889  (C44) King's Pawn Game, 15 moves, 1-0 Pawn-snatching the King away G Marco vs R Loman, 1892  (C60) Ruy Lopez, 23 moves, 1-0 Bf5? H Atkins vs Gunsberg, 1902  (D21) Queen's Gambit Accepted, 9 moves, 1-0 31...Rdd8?? Showalter vs Lasker, 1892  (C66) Ruy Lopez, 32 moves, 1-0 7.c3? 8.Bg2?? NN's Kingambit fainted. NN vs W Schelfhout, 1910  (C30) King's Gambit Declined, 9 moves, 0-1 A fork that chased the Black's Queen to where she was needed. Muehlock vs Kostic, 1912  (C50) Giuoco Piano, 7 moves, 0-1 17...Ke6 would have drawn. H Mueller vs NN, 1927  (C50) Giuoco Piano, 24 moves, 1-0 Sacing the c Pawn would have led to an equal position Alekhine vs M Vasic Miles, 1931  (C15) French, Winawer, 11 moves, 1-0 23...Ba5?? Lasker vs Euwe, 1936   (D12) Queen's Gambit Declined Slav, 33 moves, 1-0 Opening Pawn-snatching. Schlosser vs NN, 1940  (C32) King's Gambit Declined, Falkbeer Counter Gambit, 11 moves, 1-0 White would have won a lot sooner had he seen 33.Bf6# Gligoric vs E Book, 1948  (D49) Queen's Gambit Declined Semi-Slav, Meran, 51 moves, 1-0 32...Qd7 was preferable. Bronstein vs Furman, 1948  (E40) Nimzo-Indian, 4.e3, 36 moves, 1-0 Endgame Pawn-snatching Gipslis vs K Klasups, 1954  (D28) Queen's Gambit Accepted, Classical, 42 moves, 1-0 73.Kc7 would have drawn; 73.hxg5 gave Black a new Queen Jansa vs Alatortsev, 1965  (C87) Ruy Lopez, 80 moves, 0-1 2...Ke7?? E Schiller vs H Pack, 1969  (C20) King's Pawn Game, 3 moves, 1-0 3.fxe5?? O Rigaud vs J Cooper, 1974  (C30) King's Gambit Declined, 5 moves, 0-1 KGD opening disaster J Norlin vs Guraj, 1974  (C30) King's Gambit Declined, 3 moves, 0-1 35... Qc2+ blundered away Queen and King in short order. Y C Lo vs P Aguilar, 1976  (C68) Ruy Lopez, Exchange, 37 moves, 1-0 White missed wins, but to be fair this must have been tiring. I Nikolic vs G Arsovic, 1989  (E95) King's Indian, Orthodox, 7...Nbd7, 8.Re1, 255 moves, 1/2-1/2 36.Rc8+ would have won. K Kiik vs Tal, 1985  (B93) Sicilian, Najdorf, 6.f4, 38 moves, 0-1 6...Nbd7?? F La Rota vs J Sarwer, 1988  (B10) Caro-Kann, 7 moves, 1-0 113.Ra8 could have drawn. K Hulak vs H Bohm, 1977  (B01) Scandinavian, 121 moves, 0-1 6...Qc6?? walks into a disastrous pin. M Tamminga vs R Leenes, 1984  (B07) Pirc, 7 moves, 1-0 A poisoned Pawn leading to a poisoned Rook G Kourtesis vs Kotronias, 1989  (A00) Uncommon Opening, 5 moves, 0-1 Castling into a lost Queen. J Piket vs Dreev, 1991  (D44) Queen's Gambit Declined Semi-Slav, 26 moves, 1-0 Hung the Knight out to dry. Kasparov vs Anand, 1992  (D19) Queen's Gambit Declined Slav, Dutch, 17 moves, 1-0 ...Qd1?? and pwned. J Polgar vs Karpov, 1993  (E54) Nimzo-Indian, 4.e3, Gligoric System, 32 moves, 1-0 Should have taken the d4 Pawn and THEN castled. Kudrin vs E Formanek, 1994  (B00) Uncommon King's Pawn Opening, 21 moves, 0-1 Left the Queen en prise and resigned right away. E Pedersen vs I Burchard, 1995  (A10) English, 24 moves, 0-1 39.fxe4 could have drawn. R Bar vs S Kagan, 1996  (B32) Sicilian, 41 moves, 0-1 45. Kh1?? A Dunn vs J Albis, 2001  (E76) King's Indian, Four Pawns Attack, 45 moves, 0-1 Poaching a crow backfires. L D'Costa vs M Cervinka, 2001  (B17) Caro-Kann, Steinitz Variation, 33 moves, 1-0 35...Ke6 throws the win away. J Kraai vs Seirawan, 2002  (A15) English, 53 moves, 1/2-1/2 From gambit to checkmate. T Rienaecker vs M Junge, 2004  (A02) Bird's Opening, 3 moves, 0-1 24...f6?? Kramnik vs Topalov, 2006   (E10) Queen's Pawn Game, 43 moves, 1-0 Putting the Q en prise Bacrot vs E Inarkiev, 2008  (C69) Ruy Lopez, Exchange, Gligoric Variation, 23 moves, 0-1 29.Bf3 could have drawn. Swiercz vs V Kunin, 2009  (C41) Philidor Defense, 30 moves, 0-1 23...Qxg5? Karjakin vs Kramnik, 2010  (C42) Petrov Defense, 32 moves, 1-0 Taking the Knight did nothing to parry checkmate. Lagno vs A Stefanova, 2012  (D10) Queen's Gambit Declined Slav, 37 moves, 0-1 87.Rd6 would have won. R Dragomirescu vs P Velten, 2013  (C11) French, 145 moves, 1/2-1/2 74...Kf8?? was a touch-move blunder. Aronian vs Nakamura, 2016  (E15) Queen's Indian, 83 moves, 1-0 4.Qf4??? NN vs F Rhine, 2019  (A00) Uncommon Opening, 5 moves, 0-1 Hanging a Knight for a Pawn A Elier vs N Mathurin, 2020  (B40) Sicilian, 10 moves, 1-0 4...Nf6 would not have lost. Gyelmo Karma vs M Moustache, 2022  (A00) Uncommon Opening, 5 moves, 1-0 In a difficult position, 10...Qe8 wrecked everything. F Rhine vs NN, 2023  (D09) Queen's Gambit Declined, Albin Counter Gambit, 5.g3, 13 moves, 1-0 34...f5?? Ding Liren vs Nepomniachtchi, 2023  (D04) Queen's Pawn Game, 38 moves, 1-0 48.Ne7??? S Sjugirov vs R Praggnanandhaa, 2023  (A45) Queen's Pawn Game, 64 moves, 0-1 ...Qe8 could have drawn. M Narva vs S Wafa, 2023  (C53) Giuoco Piano, 60 moves, 1-0 Reverse color Fool's Mate Niemann vs Kramnik, 2023  (B00) Uncommon King's Pawn Opening, 2 moves, 0-1 A bad check M Bartel vs Bologan, 2023  (C45) Scotch Game, 106 moves, 1-0 29.Qxf4 would have won, and 32.Rxe5 would have drawn. R Praggnanandhaa vs Rapport, 2024  (E71) King's Indian, Makagonov System (5.h3), 33 moves, 0-1 33.c3? lost the win, and 48.f3? lost the game. D Gukesh vs Navara, 2024  (A22) English, 61 moves, 0-1 44... Kg4 would have secured a win once the smoke had cleared. Ding Liren vs Keymer, 2024  (E21) Nimzo-Indian, Three Knights, 59 moves, 1/2-1/2 62.Kxd3 (in time trouble) left the Square of the Pawn. Firouzja vs Nakamura, 2024  (C53) Giuoco Piano, 63 moves, 0-1 94...Rxh4+?? N Pogonina vs Goryachkina, 2024  (D02) Queen's Pawn Game, 109 moves, 1-0 7.a3?? A Barra vs E Shabanaj, 2024 (D00) Queen's Pawn Game, 18 moves, 0-1 18.Bc4?? walks into a family fork. D Pereira vs Afiwa Kponsou, 2024 (B06) Robatsch, 18 moves, 0-1 7...Ne7?? R Durham-Balcombe vs Zara Abdoulaye Baba Hassane, 2024 (C50) Giuoco Piano, 12 moves, 1-0 Should have swapped Queens BEFORE taking the Pawn. Giri vs Carlsen, 2024  (E06) Catalan, Closed, 5.Nf3, 22 moves, 0-1 Should have taken the Queen exchange. R Praggnanandhaa vs Bologan, 2024 (E26) Nimzo-Indian, Samisch, 26 moves, 1-0 46...Kh4 turned a draw into a defeat. N Sarin vs V S Gujrathi, 2024  (A35) English, Symmetrical, 48 moves, 1-0 Black's Rook flew away when it shouldn't have. G Jones vs Adams, 2024  (C45) Scotch Game, 41 moves, 1-0 117.Ra6?? throws away the win. E Gurel vs T Nguyen, 2025  (C65) Ruy Lopez, Berlin Defense, 119 moves, 1/2-1/2 85.Rg8+ could have drawn. D Wagner vs I Khurtsilava, 2025 (E10) Queen's Pawn Game, 92 moves, 0-1 55...Qd1 could have drawn. Firouzja vs R Praggnanandhaa, 2025 (A06) Reti Opening, 58 moves, 1-0 82.Kh3 would have allowed White a playable game. N Salimova vs Z Tan, 2025 (A49) King's Indian, Fianchetto without c4, 89 moves, 0-1 39...Nxg3??? So vs B Deac, 2025  (A21) English, 40 moves, 1-0 37.Qe5?? O Badelka vs M Muzychuk, 2025 (D12) Queen's Gambit Declined Slav, 44 moves, 0-1 73.Qb5+ would have drawn-- and White missed 3x repetition draw M Dobrikov vs F Svane, 2025  (A10) English, 84 moves, 0-1 42...f4 instead could have salvaged a perpetual. Koneru vs R Vaishali, 2025  (D45) Queen's Gambit Declined Semi-Slav, 44 moves, 1-0 46...Rg2+ could have salvaged a draw. Carlsen vs D Gukesh, 2025  (D02) Queen's Pawn Game, 55 moves, 1-0 42.Re7 could have drawn. C Aravindh vs N Yakubboev, 2025 (D02) Queen's Pawn Game, 47 moves, 0-1 42.Qd5+ would have drawn. M Suyarov vs A Hong, 2025 (C63) Ruy Lopez, Schliemann Defense, 46 moves, 0-1 129...Ra3 would have drawn. N Yakubboev vs Abdusattorov, 2025  (D39) Queen's Gambit Declined, Ragozin, Vienna Variation, 132 moves, 1-0 59.Rg2 would have drawn. Q Ma vs N Theodorou, 2025 (C60) Ruy Lopez, 71 moves, 0-1 26...Nxb2?? and Black must soon lose a Rook V Agrawal vs L Shohradova, 2025 (D37) Queen's Gambit Declined, 27 moves, 1-0 Should have played 23.b5 instead of Pawn-snatching. E Park vs K Ghazarian, 2025 (B45) Sicilian, Taimanov, 28 moves, 0-1 148.Kc8?? L Christiansen vs Dlugy, 2025  (D20) Queen's Gambit Accepted, 154 moves, 0-1 Should have sacked the Queen on move 24. D Shafi vs J B Willow, 2025 (B30) Sicilian, 31 moves, 0-1 53...g5+ could have drawn. C Aravindh vs Adams, 2025  (D35) Queen's Gambit Declined, 63 moves, 1-0 Both players' 68th moves were blunders. D Gukesh vs Aronian, 2025  (E15) Queen's Indian, 77 moves, 1/2-1/2 50...Ra2 could have drawn M A Tabatabaei vs Naiditsch, 2025 (C50) Giuoco Piano, 57 moves, 1-0 86 games