Anand loses in 6 moves!! A Zapata vs Anand, 1988  (C42) Petrov Defense, 6 moves, 1-0 Fingerfehler results in 6-move loss for Alapin Tarrasch vs Alapin, 1889  (C42) Petrov Defense, 6 moves, 1-0 Kasparov loses in 7 (blitz)!! Mamedyarov vs Kasparov, 2021  (D20) Queen's Gambit Accepted, 7 moves, 1-0 Spassky loses in 8 Spassky vs Rodgaisky, 1948  (B45) Sicilian, Taimanov, 8 moves, 0-1 Razuvaev loses in 8 Vasiukov vs Razuvaev, 1972  (B06) Robatsch, 8 moves, 1-0 Euwe loses in 9 Wiersma vs Euwe, 1920  (D30) Queen's Gambit Declined, 9 moves, 1-0 Gunsberg loses in 9 H E Atkins vs Gunsberg, 1902  (D21) Queen's Gambit Accepted, 9 moves, 1-0 Karjakin blitzed in 10! D Andreikin vs Karjakin, 2010  (A27) English, Three Knights System, 10 moves, 1-0 Bareev loses in 11 (blitz) Bareev vs Nakamura, 2015  (D02) Queen's Pawn Game, 11 moves, 0-1 Alekhine gets blitzed in 12 F J Perez Perez vs Alekhine, 1943  (C25) Vienna, 12 moves, 1-0 Karpov loses in 12 L Christiansen vs Karpov, 1993  (E12) Queen's Indian, 12 moves, 1-0 Spassky loses in 12, but could play on with 12...Kd8! Korchnoi vs Spassky, 1948  (B71) Sicilian, Dragon, Levenfish Variation, 12 moves, 1-0 Huebner loses in 12 C Gabriel vs Huebner, 2006  (D11) Queen's Gambit Declined Slav, 12 moves, 1-0 Nakamura smashed in 12 J Becerra Rivero vs Nakamura, 2009  (B29) Sicilian, Nimzovich-Rubinstein, 12 moves, 1-0 Korchnoi loses in 13 Morozevich vs Korchnoi, 2004  (C77) Ruy Lopez, 13 moves, 1-0 Petrosian loses in 13 Kotov vs Petrosian, 1949  (D35) Queen's Gambit Declined, 13 moves, 1-0 Shirov loses in 13 moves! P K Wells vs Shirov, 2006  (A45) Queen's Pawn Game, 13 moves, 1-0 Euwe routed in 13 Euwe vs W J Muhring, 1947  (A04) Reti Opening, 13 moves, 0-1 Lasker humiliated in 14 H Caro vs Lasker, 1890  (D02) Queen's Pawn Game, 14 moves, 1-0 Korchnoi loses in 14 J Gallagher vs Korchnoi, 2006  (C11) French, 14 moves, 1-0 Firouzja loses in 14 (rapid) Nakamura vs Firouzja, 2020  (B01) Scandinavian, 14 moves, 1-0 Carlsen loses in 15 Pelletier vs Carlsen, 2005  (E34) Nimzo-Indian, Classical, Noa Variation, 15 moves, 1-0 Svidler loses in 15 (blitz) Kramnik vs Svidler, 2004  (A40) Queen's Pawn Game, 15 moves, 1-0 Mamedyarov falls in 15 (rapid) I Khairullin vs Mamedyarov, 2012  (D07) Queen's Gambit Declined, Chigorin Defense, 15 moves, 1-0 Duda loses in 16 Duda vs Swiercz, 2012  (B90) Sicilian, Najdorf, 16 moves, 0-1 Ding asphyxiated in 16 (rapid) Ding Liren vs Gelfand, 2020  (B30) Sicilian, 16 moves, 0-1 MVL loses in 16 (rapid) Ding Liren vs Vachier-Lagrave, 2020  (D15) Queen's Gambit Declined Slav, 16 moves, 1-0 Euwe routed in 17 H Janssen vs Euwe, 1979  (C45) Scotch Game, 17 moves, 1-0 Spassky's immortal 17-move rout of Larsen Larsen vs Spassky, 1970  (A01) Nimzovich-Larsen Attack, 17 moves, 0-1 Caruana loses in 17 Carlsen vs Caruana, 2012  (A07) King's Indian Attack, 17 moves, 1-0 Svidler loses as White in 17 Svidler vs V Malaniuk, 1994  (C47) Four Knights, 17 moves, 0-1 Nepomniachtchi routed in 17 (rapid) Anand vs Nepomniachtchi, 2020  (D85) Grunfeld, 17 moves, 1-0 Nepomniachtchi loses in 17 (rapid) Aronian vs Nepomniachtchi, 2017 (A45) Queen's Pawn Game, 17 moves, 1-0 Deep Blue crushes Kasparov in 19 Deep Blue vs Kasparov, 1997  (B17) Caro-Kann, Steinitz Variation, 19 moves, 1-0 Karpov, soon to be World Champion, loses to Korchnoi in 19 Korchnoi vs Karpov, 1974  (E17) Queen's Indian, 19 moves, 1-0 Topalov loses in 19 D Donchev vs Topalov, 1989  (C04) French, Tarrasch, Guimard Main line, 19 moves, 1-0 So slaughtered in 19 (rapid) J van Foreest vs So, 2021 (C65) Ruy Lopez, Berlin Defense, 19 moves, 1-0 Fischer loses to Euwe in 20 Euwe vs Fischer, 1957  (D35) Queen's Gambit Declined, 20 moves, 1-0 Giri loses in 20 Kramnik vs Giri, 2017  (D05) Queen's Pawn Game, 20 moves, 1-0 Kramnik, as White, embarrassed by Topalov in 20 Kramnik vs Topalov, 2005  (B80) Sicilian, Scheveningen, 20 moves, 0-1 Karjakin smashed in 20 P H Nielsen vs Karjakin, 2002  (D20) Queen's Gambit Accepted, 20 moves, 1-0 Capa loses to Marshall in 25 Marshall vs Capablanca, 1909  (D53) Queen's Gambit Declined, 25 moves, 1-0 42 games