Clue #1 Nimzowitsch vs Levenfish, 1911   (C02) French, Advance, 37 moves, 1-0 Clue #2 V Gashimov vs Smeets, 2010  (C42) Petrov Defense, 33 moves, 1-0 Clue #3 M Vitinik vs I Frog, 1990  (C42) Petrov Defense, 8 moves, 1/2-1/2 Clue #4 N Kosintseva vs T Kosintseva, 2011  (C69) Ruy Lopez, Exchange, Gligoric Variation, 14 moves, 1/2-1/2 Clue #5 H Homes vs F de Mol, 2003 (A07) King's Indian Attack, 27 moves, 1-0 Clue #6 T Schmelz vs Geese, 1988  (C39) King's Gambit Accepted, 34 moves, 1-0 Clue #7 A Aguiar Riopo vs A Konan, 2003 (A15) English, 55 moves, 1-0 Clue #8 Bronstein vs Evans, 1955  (C78) Ruy Lopez, 44 moves, 1-0 Clue #9 Spassky vs Fischer, 1992  (E83) King's Indian, Samisch, 27 moves, 0-1 Clue #10 Shirov vs A Yuneev, 1989  (E94) King's Indian, Orthodox, 23 moves, 1-0 Clue #11 E Godbold vs J O'Keefe, 1954  (D56) Queen's Gambit Declined, 31 moves, 0-1 Clue #12 F K Esling vs J Wisker, 1880  (C50) Giuoco Piano, 65 moves, 1-0 Clue #13 A Slavotinek vs C Travers, 1981  (B78) Sicilian, Dragon, Yugoslav Attack, 10.castle long, 53 moves, 1-0 Clue #14 Kramnik vs NN, 1999  (A35) English, Symmetrical, 16 moves, 1-0 Clue #15 Petrosian vs Keene, 1974  (A28) English, 53 moves, 1-0 Clue #16 Alekhine vs Rubinstein, 1930  (D63) Queen's Gambit Declined, Orthodox Defense, 46 moves, 1-0 Clue #17 J Huebener vs W Elm, 1946 (E21) Nimzo-Indian, Three Knights, 48 moves, 0-1 Clue #18 Anand vs Y Wang, 2009  (D15) Queen's Gambit Declined Slav, 61 moves, 1-0 Clue #19 Sherzer vs N Lamza, 1990  (B28) Sicilian, O'Kelly Variation, 43 moves, 1-0 Clue #20 J Acers vs G Hulburd, 1968  (E81) King's Indian, Samisch, 46 moves, 1-0 Clue #21 C Tang vs H Burger, 2001  (A40) Queen's Pawn Game, 46 moves, 1-0 Clue #22 S Siebrecht vs A Naumann, 2008  (D45) Queen's Gambit Declined Semi-Slav, 33 moves, 1/2-1/2 Clue #23 Kolisch vs Loyd, 1867  (C52) Evans Gambit, 26 moves, 1-0 Clue #24 H Bogart vs L Bacall, 1951  (C60) Ruy Lopez, 31 moves, 1-0 Clue #25 Adorjan vs H Dudek, 1967  (B89) Sicilian, 26 moves, 1-0 Clue #26 M F Olsen vs B Tilenbaev, 2004  (C60) Ruy Lopez, 34 moves, 0-1 Clue #27 I Serpik vs Blatny, 2003  (B00) Uncommon King's Pawn Opening, 20 moves, 0-1 Clue #28 V Vepkhvishvili vs Blonsky, 1986  (C47) Four Knights, 44 moves, 1/2-1/2 Clue #29 Short vs Piket, 1997  (C35) King's Gambit Accepted, Cunningham, 24 moves, 1-0 Clue #30 M Walek vs M Staszko, 2004  (B00) Uncommon King's Pawn Opening, 20 moves, 1-0 Clue #31 Carlsen vs Aronian, 2008  (C84) Ruy Lopez, Closed, 40 moves, 1-0 Clue #32 G Underhill vs J W Kells, 1935  (A00) Uncommon Opening, 15 moves, 0-1 Clue #33 A Sydor vs Barsov, 1995  (D37) Queen's Gambit Declined, 22 moves, 0-1 Clue #34 Romanishin vs Seirawan, 1983 (E12) Queen's Indian, 50 moves, 1-0 Clue #35 Fine vs J Rappaport, 1931  (A00) Uncommon Opening, 28 moves, 1-0 Clue #36 Y Masserey vs J Gallagher, 2001  (B94) Sicilian, Najdorf, 38 moves, 0-1 Clue #37 Znosko-Borovsky vs S von Freymann, 1909  (C49) Four Knights, 36 moves, 1-0 Clue #38 Short vs Beliavsky, 1992  (C48) Four Knights, 58 moves, 0-1 Clue #39 F J Lee vs H W Shoosmith, 1904  (D02) Queen's Pawn Game, 61 moves, 0-1 Clue #40 D Gormally vs S Williams, 2006  (A80) Dutch, 19 moves, 1-0 Clue #41 A Debbeche vs A Mezhoud, 2000  (C55) Two Knights Defense, 23 moves, 0-1 Clue #42 P Damiano vs NN, 1497  (C42) Petrov Defense, 14 moves, 1-0 Clue #43 Cochrane vs Mohishunder, 1851  (E46) Nimzo-Indian, 44 moves, 1-0 Clue #44 Oll vs O Renet, 1984  (C19) French, Winawer, Advance, 20 moves, 1-0 Clue #45 J Gilbert vs M Velcheva, 2006  (D11) Queen's Gambit Declined Slav, 29 moves, 1/2-1/2 Clue #46 H Becher vs M Achenbach, 1960  (C68) Ruy Lopez, Exchange, 20 moves, 1-0 Clue #47 C H Alexander vs Milner-Barry, 1946  (C82) Ruy Lopez, Open, 27 moves, 1-0 Clue #48 Von Scheve vs B Huelsen, 1889  (A07) King's Indian Attack, 19 moves, 0-1 Clue #49 L Mattos vs F Bohatirchuk, 1973  (D00) Queen's Pawn Game, 23 moves, 0-1 Clue #50 M Bensdorp-De Labaca vs G M Muis, 2000  (E38) Nimzo-Indian, Classical, 4...c5, 28 moves, 0-1 Clue #51 J Rejfir vs A Muffang, 1928  (E38) Nimzo-Indian, Classical, 4...c5, 29 moves, 0-1 Clue #52 J Mortimer vs Showalter, 1900  (C51) Evans Gambit, 30 moves, 0-1 Clue #53 T Nessi vs L Peretti, 2000  (B40) Sicilian, 27 moves, 1-0 Clue #54 M Aaron vs Stein, 1962  (A56) Benoni Defense, 24 moves, 0-1 Clue #55 Fischer vs J Plaster, 1964  (C14) French, Classical, 29 moves, 1-0 Clue #53 Larsen vs R Cardoso, 1973  (B06) Robatsch, 36 moves, 0-1 Clue #57 D Camper vs B Rush, 1995  (B00) Uncommon King's Pawn Opening, 29 moves, 1-0 Clue #58 V Plotkin vs Nakamura, 2009  (B22) Sicilian, Alapin, 59 moves, 0-1 Clue #59 Plachetka vs D Supancic, 1977  (A04) Reti Opening, 40 moves, 1-0 Clue #60 B Lasker vs Lasker, 1890  (D45) Queen's Gambit Declined Semi-Slav, 19 moves, 0-1 Clue #61 C Jaffe vs Capablanca, 1912  (A46) Queen's Pawn Game, 31 moves, 0-1 Clue #62 H Berliner vs Y Rokhlin, 1965  (E31) Nimzo-Indian, Leningrad, Main line, 46 moves, 1-0 Clue #63 Nimzowitsch vs Tarrasch, 1928  (A00) Uncommon Opening, 66 moves, 1-0 Clue #64 E Garcia Garcia vs J Durao, 2002  (C45) Scotch Game, 17 moves, 0-1 64 games