60B and 64W are mistakes S Ernst vs H Dronavalli, 2012  (A45) Queen's Pawn Game, 77 moves, 1/2-1/2 Black lost at move 46 A Al Badani vs P Corbin, 2006  (C40) King's Knight Opening, 67 moves, 1-0 Black lost at move 87 E Najer vs A Iljushin, 2005 (A90) Dutch, 100 moves, 1-0 59B and 60W are mistakes D Gukesh vs Aronian, 2023  (D38) Queen's Gambit Declined, Ragozin Variation, 72 moves, 1/2-1/2 Black lost at move 64 (p vs p) A Vaisser vs D Cummings, 1997 (D10) Queen's Gambit Declined Slav, 69 moves, 1-0 [57...Rc7] is a remarkable move Nunn vs Adams, 1992  (B12) Caro-Kann Defense, 67 moves, 0-1 White lost at move 69 A Dueckstein vs J H Donner, 1962 (B09) Pirc, Austrian Attack, 79 moves, 0-1 White lost at move 51 M Parligras vs G N Gopal, 2012 (D47) Queen's Gambit Declined Semi-Slav, 63 moves, 0-1 White missed a win at move 49 Yates vs Tarrasch, 1928 (C83) Ruy Lopez, Open, 62 moves, 1/2-1/2 White lost at move 81 Rubinstein vs Duras, 1912  (D33) Queen's Gambit Declined, Tarrasch, 106 moves, 0-1 Black lost at move 67 (p vs p) Marshall vs Janowski, 1905  (D32) Queen's Gambit Declined, Tarrasch, 70 moves, 1-0 Black lost at move 92 McDonnell vs La Bourdonnais, 1834  (C37) King's Gambit Accepted, 99 moves, 1-0 White lost at move 73 S Rosselli del Turco vs A Nimzowitsch, 1934  (D02) Queen's Pawn Game, 84 moves, 0-1 White lost at move 54 A Donchenko vs L'Ami, 2023 (D35) Queen's Gambit Declined, 57 moves, 0-1 The position at move 48 (W to move) is interesting Keymer vs Ding Liren, 2023  (A06) Reti Opening, 58 moves, 1/2-1/2 The position at move 48 (W to move) is interesting I Barreto vs L Gentil Junior, 1979 (B25) Sicilian, Closed, 62 moves, 0-1 The position at move 50 (B to move) is interesting M Rohde vs J Meyers, 1976 (A01) Nimzovich-Larsen Attack, 54 moves, 1/2-1/2 The position at move 38 (B to move) is interesting J Glibstrup vs B Munksgaard, 2019  (C14) French, Classical, 40 moves, 1/2-1/2 The position at move 55 (B to move) is interesting Smejkal vs B Kurajica, 1976 (A04) Reti Opening, 73 moves, 1-0 The position at move 51 (W to move) is interesting Adianto vs Kasparov, 2001  (D78) Neo-Grunfeld, 6.O-O c6, 62 moves, 0-1 The position at move 38 (W to move) is interesting Adianto vs Zvjaginsev, 2003  (B40) Sicilian, 67 moves, 0-1 The position at move 28 (W to move) is interesting T Kuegel vs S Ernst, 2011 (C50) Giuoco Piano, 58 moves, 0-1 The position at move 66 (B to move) is interesting Vocaturo vs M Bluvshtein, 2011 (C67) Ruy Lopez, 73 moves, 1-0 The position at move 33 (W to move) is interesting Y Estrin vs H Berliner, 1965  (C57) Two Knights, 42 moves, 0-1 The position at move 36 (W to move) is interesting Marshall vs Tarrasch, 1903  (D32) Queen's Gambit Declined, Tarrasch, 55 moves, 0-1 The position at move 57 (W to move) is interesting V Chekhover vs Alatortsev, 1940 (A20) English, 72 moves, 0-1 The position at move 40 (B to move) is interesting R Skrobek vs V Chekhov, 1981 (B03) Alekhine's Defense, 94 moves, 1/2-1/2 The position at move 61 (W to move) is interesting L Forgacs vs Swiderski, 1906  (D02) Queen's Pawn Game, 66 moves, 1/2-1/2 The position at move 38 (W to move) is interesting Seirawan vs L Christiansen, 1981 (A18) English, Mikenas-Carls, 49 moves, 1/2-1/2 The position at move 33 (B to move) is interesting E Najer vs J Wapner, 1998 (D86) Grunfeld, Exchange, 48 moves, 1-0 The position at move 55 (B to move) is interesting E Najer vs F Amonatov, 2003 (D10) Queen's Gambit Declined Slav, 66 moves, 1-0 The position at move 54 (W to move) is interesting L Keitlinghaus vs Ftacnik, 1996 (B08) Pirc, Classical, 58 moves, 0-1 The position at move 63 (B to move) is interesting F Ott vs L Keitlinghaus, 1989 (C10) French, 90 moves, 1/2-1/2 The position at move 39 (B to move) is interesting Keres vs P Dubinin, 1947 (D96) Grunfeld, Russian Variation, 63 moves, 1-0 The position at move 56 (W to move) is interesting P Trifunovic vs A Dueckstein, 1962 (A46) Queen's Pawn Game, 60 moves, 1/2-1/2 The position at move 38 (B to move) is interesting Adianto vs H Ardiansyah, 1996 (E32) Nimzo-Indian, Classical, 47 moves, 1-0 The position at move 40 (W to move) is interesting Adams vs Hydra, 2005  (B23) Sicilian, Closed, 50 moves, 0-1 The position at move 55 (B to move) is interesting Botvinnik vs Petrosian, 1963  (D31) Queen's Gambit Declined, 57 moves, 1-0 The position at move 57 (W to move) is interesting E Bakonyi vs Pachman, 1948  (C20) King's Pawn Game, 77 moves, 0-1 The position at move 70 (B to move) is interesting Botvinnik vs M Shebarshin, 1926  (E91) King's Indian, 97 moves, 1-0 The position at move 36 (B to move) is interesting J Dueball vs T Kordsachia, 1981 (B14) Caro-Kann, Panov-Botvinnik Attack, 50 moves, 1/2-1/2 The position at move 46 (W to move) is interesting Jansa vs E Prandstetter, 1979 (C05) French, Tarrasch, 60 moves, 0-1 The position at move 57 (B to move) is interesting M Plomp vs H Tiemann, 2002 (B92) Sicilian, Najdorf, Opocensky Variation, 62 moves, 1/2-1/2 The position at move 61 (W to move) is interesting D Svetushkin vs Y Drozdovskij, 2007 (C10) French, 89 moves, 0-1 The position at move 72 (B to move) is interesting Shirov vs Timman, 2004  (C11) French, 100 moves, 1-0 The position at move 33 (W to move) is interesting V Chekhover vs A Budo, 1937 (E11) Bogo-Indian Defense, 60 moves, 0-1 The position at move 84 (B to move) is interesting Romanishin vs Uhlmann, 1977 (C18) French, Winawer, 90 moves, 1-0 The position at move 59 (B to move) is interesting M Moeschinger vs H Wunderlich, 2002 (A87) Dutch, Leningrad, Main Variation, 67 moves, 1/2-1/2 The position at move 43 (W to move) is interesting D Cummings vs Petursson, 1994 (D10) Queen's Gambit Declined Slav, 58 moves, 0-1 The position at move 58 (B to move) is interesting S Haslinger vs D Raznikov, 2011 (B12) Caro-Kann Defense, 69 moves, 1-0 The position at move 54 (W to move) is interesting Y Zhou vs W E Jones, 2011 (B90) Sicilian, Najdorf, 66 moves, 1/2-1/2 The position at move 49 (B to move) is interesting G Thomas vs K Richter, 1931 (C11) French, 61 moves, 1-0 The position at move 45 (W to move) is interesting K Richter vs Alekhine, 1941  (A45) Queen's Pawn Game, 69 moves, 0-1 The position at move 38 (W to move) is interesting B Thorfinnsson vs Motylev, 2011 (A20) English, 48 moves, 1/2-1/2 The position at move 35 (B to move) is interesting T Gareyev vs G Flom, 2011 (D38) Queen's Gambit Declined, Ragozin Variation, 50 moves, 1-0 The position at move 40 (W to move) is interesting A Levina vs T Abrahamyan, 2004  (C01) French, Exchange, 54 moves, 0-1 The position at move 50 (W to move) is interesting A Adly vs M Bensdorp-De Labaca, 2006  (D02) Queen's Pawn Game, 91 moves, 0-1 The position at move 58 (W to move) is interesting Bareev vs Shirov, 2006  (A20) English, 91 moves, 1/2-1/2 The position at move 50 (W to move) is interesting Junior vs Shredder, 2011  (B43) Sicilian, Kan, 5.Nc3, 94 moves, 1/2-1/2 The position at move 59 (B to move) is interesting I Kan vs Korchnoi, 1955  (D80) Grunfeld, 60 moves, 1-0 The position at move 29 (W to move) is interesting Adams vs I Morovic Fernandez, 1995  (B13) Caro-Kann, Exchange, 48 moves, 1/2-1/2 The position at move 46 (W to move) is interesting Adams vs V Akopian, 1992  (C07) French, Tarrasch, 62 moves, 1/2-1/2 The position at move 59 (W to move) is interesting Lombardy vs Panno, 1957  (E63) King's Indian, Fianchetto, Panno Variation, 85 moves, 0-1 The position at move 44 (W to move) is interesting P Kennedy vs V Maher, 1950  (A28) English, 45 moves, 0-1 The position at move 58 (B to move) is interesting Nepomniachtchi vs Nakamura, 2011  (B72) Sicilian, Dragon, 85 moves, 1/2-1/2 The position at move 34 (W to move) is interesting M Harmonist vs Tarrasch, 1887  (C14) French, Classical, 38 moves, 0-1 The position at move 51 (W to move) is interesting Korchnoi vs A Beliavsky, 1975  (A35) English, Symmetrical, 58 moves, 0-1 The position at move 55 (B to move) is interesting Bagirov vs Polugaevsky, 1960  (B32) Sicilian, 62 moves, 1-0 The position at move 44 (W to move) is interesting C Foisor vs M Socko, 2011 (A04) Reti Opening, 58 moves, 1/2-1/2 The position at move 59 (B to move) is interesting N Krogius vs Spassky, 1960  (C65) Ruy Lopez, Berlin Defense, 81 moves, 1/2-1/2 The position at move 50 (B to move) is interesting Gligoric vs Golombek, 1946 (B10) Caro-Kann, 63 moves, 1-0 The position at move 66 (B to move) is interesting Antoshin vs Smyslov, 1960  (D22) Queen's Gambit Accepted, 83 moves, 0-1 The position at move 49 (W to move) is interesting N Riumin vs Levenfish, 1933  (D37) Queen's Gambit Declined, 58 moves, 0-1 The position at 44 (W to move) is interesting A Macht vs Kostic, 1935 (D02) Queen's Pawn Game, 57 moves, 0-1 The position at move 36 (B to move) is interesting Keres vs L Wildegans, 1936 (C83) Ruy Lopez, Open, 46 moves, 1/2-1/2 The position at move 40 (B to move) is interesting L Zinn vs A Hollis, 1961 (C05) French, Tarrasch, 49 moves, 1-0 The position at move 37 (B to move) is interesting A Lee vs A Pourkashiyan, 2023  (E25) Nimzo-Indian, Samisch, 60 moves, 1-0 The position at move 39 (B to move) is interesting N J Kalton vs Keene, 1963  (C45) Scotch Game, 77 moves, 1/2-1/2 The position at move 41 (B to move) is interesting Korchnoi vs Letelier, 1963 (E11) Bogo-Indian Defense, 51 moves, 1-0 The position at move 52 (B to move) is interesting Parma vs M Udovcic, 1965 (B45) Sicilian, Taimanov, 70 moves, 1-0 The position at move 45 (W to move) is interesting H Ree vs I Farago, 1976  (A06) Reti Opening, 64 moves, 0-1 The position at move 55 (B to move) is interesting Velimirovic vs F Olafsson, 1976 (B47) Sicilian, Taimanov (Bastrikov) Variation, 57 moves, 1-0 The position at move 33 (B to move) is interesting Korchnoi vs Miles, 1979  (D90) Grunfeld, 45 moves, 1-0 The position at move 37 (B to move) is interesting Azmaiparashvili vs V Eingorn, 1980 (A21) English, 66 moves, 1-0 The position at move 49 (B to move) is interesting Gavrikov vs Yurtaev, 1980 (E17) Queen's Indian, 57 moves, 1-0 The position at move 51 (W to move) is interesting Geller vs A Yusupov, 1980 (C43) Petrov, Modern Attack, 58 moves, 0-1 The position at move 42 (W to move) is interesting Seirawan vs I Ivanov, 1981 (D61) Queen's Gambit Declined, Orthodox, Rubinstein Attack, 68 moves, 1/2-1/2 The position at move 46 (W to move) is interesting M Dougherty vs Miles, 1981  (E42) Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein), 59 moves, 0-1 The position at move 46 (W to move) is interesting Miles vs A Beliavsky, 1981  (A00) Uncommon Opening, 74 moves, 0-1 The position at move 43 (B to move) is interesting Portisch vs J Pinter, 1981  (E54) Nimzo-Indian, 4.e3, Gligoric System, 52 moves, 1-0 The position at move 46 (W to move) is interesting V Seifert vs T Hirneise, 2011 (E39) Nimzo-Indian, Classical, Pirc Variation, 65 moves, 1/2-1/2 The position at move 40 (B to move) is interesting A Donchenko vs V Ivic, 2023 (D14) Queen's Gambit Declined Slav, Exchange Variation, 54 moves, 1-0 The position at move 65 (B to move) is interesting V Fedoseev vs M Bosiocic, 2012  (D70) Neo-Grunfeld Defense, 79 moves, 1-0 The position at move 56 (B to move) is interesting Minasian vs Romanishin, 1990 (A01) Nimzovich-Larsen Attack, 90 moves, 1/2-1/2 The position at move 34 (B to move) is interesting I Hakki vs B Villamayor, 2001 (C15) French, Winawer, 52 moves, 1-0 The position at move 36 (B to move) is interesting Polugaevsky vs Ftacnik, 1985 (A30) English, Symmetrical, 61 moves, 1-0 The position at move 38 (B to move) is interesting Barcza vs Gufeld, 1969  (A04) Reti Opening, 41 moves, 1-0 The position at move 51 (B to move) is interesting Andersson vs S Brynell, 1994  (E19) Queen's Indian, Old Main line, 9.Qxc3, 60 moves, 1-0 The position at move 53 (W to move) is interesting K Havasi vs E Tholfsen, 1928 (D32) Queen's Gambit Declined, Tarrasch, 62 moves, 1/2-1/2 The position at move 42 (B to move) is interesting T Sanikidze vs J Magem Badals, 2011 (D13) Queen's Gambit Declined Slav, Exchange Variation, 59 moves, 1-0 100 games