39.Qh8? turns a win into a draw. Loewenthal vs Morphy, 1858  (C42) Petrov Defense, 44 moves, 1/2-1/2 12...Ke7?? Chigorin vs Gossip, 1889  (C44) King's Pawn Game, 15 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, 1911  (C50) Giuoco Piano, 7 moves, 0-1 17...Ke6 would have drawn. H Mueller vs NN, 1927  (C50) Giuoco Piano, 24 moves, 1-0 Endgame Pawn-snatching Gipslis vs K Klasup, 1954  (D28) Queen's Gambit Accepted, Classical, 42 moves, 1-0 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, 1-0 113.Ra8 could have drawn. K Hulak vs H Bohm, 1977  (B01) Scandinavian, 121 moves, 0-1 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 Castling into a lost Queen. 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. Polgar vs Karpov, 1993  (E54) Nimzo-Indian, 4.e3, Gligoric System, 32 moves, 1-0 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 23...Qxg5? Karjakin vs Kramnik, 2010  (C42) Petrov Defense, 32 moves, 1-0 87.Rd6 would have won. R Dragomirescu vs P Velten, 2013  (C11) French, 145 moves, 1/2-1/2 Taking the Knight did nothing to parry checkmate. Lagno vs A Stefanova, 2012  (D10) Queen's Gambit Declined Slav, 37 moves, 0-1 74...Kf8?? was a touch-move blunder. Aronian vs Nakamura, 2016  (E15) Queen's Indian, 83 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 25 games