Clue #1 Kmoch vs S Beutum, 1928  (D30) Queen's Gambit Declined, 20 moves, 1-0 Clue #2 K Vasylius vs D Brokken, 2008  (B18) Caro-Kann, Classical, 49 moves, 0-1 Clue #3 Euwe vs Najdorf, 1953  (E60) King's Indian Defense, 37 moves, 1-0 Clue #4 Lautier vs Huebner, 1992  (A29) English, Four Knights, Kingside Fianchetto, 87 moves, 1/2-1/2 Clue #5 J F Campbell vs A Ehrlich, 1990  (A40) Queen's Pawn Game, 3 moves, 1-0 Clue #6 M I Botvinnik vs T L Petrosian, 1998  (D74) Neo-Grunfeld, 6.cd Nxd5, 7.O-O, 41 moves, 0-1 Clue #7 G Kecskes vs I Presznyak, 1992 (D09) Queen's Gambit Declined, Albin Counter Gambit, 5.g3, 43 moves, 1-0 Clue #8 N Thanarotrung vs Y Kim, 2014  (C53) Giuoco Piano, 60 moves, 0-1 Clue #9 M Dekker vs C Eichab, 2010 (A34) English, Symmetrical, 41 moves, 0-1 Clue #10 D Semcesen vs R Engman, 2007 (E12) Queen's Indian, 65 moves, 1/2-1/2 Clue #11 Capablanca vs Lasker, 1924  (D10) Queen's Gambit Declined Slav, 50 moves, 1-0 Clue #12 X Delebarre vs L Cursoux, 1999  (A00) Uncommon Opening, 30 moves, 1-0 Clue #13 R Ilchov vs A Angelov, 2001 (B13) Caro-Kann, Exchange, 46 moves, 1-0 Clue #14 M Tobor vs W Stamer, 1984  (C40) King's Knight Opening, 3 moves, 0-1 Clue #15 Seliger vs S Nickel, 1990 (A40) Queen's Pawn Game, 22 moves, 1/2-1/2 Clue #16 P de Pender vs Grischuk, 1996  (C53) Giuoco Piano, 27 moves, 0-1 Clue #17 T Tolnai vs P Haba, 1992 (C42) Petrov Defense, 48 moves, 0-1 Clue #18 Fischer vs J H Donner, 1962  (B18) Caro-Kann, Classical, 45 moves, 0-1 Clue #19 G Meier vs A Tari, 2014 (D97) Grunfeld, Russian, 58 moves, 1-0 Clue #21 Bacrot vs McShane, 1992  (E81) King's Indian, Samisch, 39 moves, 0-1 Clue #22 S Neuschmied vs F Montani, 1984 (A07) King's Indian Attack, 82 moves, 1/2-1/2 Clue #23 Fritz vs E Nemeth, 2000  (C70) Ruy Lopez, 35 moves, 0-1 Clue #24 E Zwerver vs R Ammerlaan, 2000 (E32) Nimzo-Indian, Classical, 38 moves, 0-1 Clue #25 Fischer vs Reshevsky, 1958  (B32) Sicilian, 42 moves, 1-0 Clue #26 Ehlvest vs A V Kharitonov, 1988 (B17) Caro-Kann, Steinitz Variation, 43 moves, 1/2-1/2 Clue #27 L Prins vs L Day, 1968  (B28) Sicilian, O'Kelly Variation, 28 moves, 0-1 Clue #28 J T D Halford vs H Cheshire, 1891 (C39) King's Gambit Accepted, 20 moves, 0-1 Clue #29 N Paikidze vs C Balogh, 2010  (B82) Sicilian, Scheveningen, 28 moves, 1-0 Clue #30 Bob Brooks vs B Wall, 1973  (B20) Sicilian, 15 moves, 0-1 Clue #31 Caruana vs Vachier-Lagrave, 2008  (B80) Sicilian, Scheveningen, 29 moves, 1-0 Clue #32 V Borovikov vs N Maiorov, 2005 (E14) Queen's Indian, 54 moves, 1/2-1/2 Clue #33 Korchnoi vs Karpov, 1978  (E42) Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein), 124 moves, 1/2-1/2 Clue #34 D Reinderman vs M Pavlovic, 2003 (B45) Sicilian, Taimanov, 16 moves, 1/2-1/2 Clue #35 J Cavendish vs R Marsh, 1990 (B12) Caro-Kann Defense, 20 moves, 1-0 Clue #36 F Hamond vs W E Evill, 1916  (C44) King's Pawn Game, 26 moves, 1-0 Clue #37 J Friedel vs G Markzon, 2005 (B30) Sicilian, 27 moves, 1-0 Clue #38 Alekhine vs A V Aguirre, 1929  (D37) Queen's Gambit Declined, 27 moves, 1-0 Clue #39 E Lie vs D Madsen, 2006 (A34) English, Symmetrical, 40 moves, 1/2-1/2 Clue #40 A Billio vs E Karakas, 1981 (A21) English, 57 moves, 1/2-1/2 Clue #41 S Rosenthal vs Zukertort, 1880  (C65) Ruy Lopez, Berlin Defense, 49 moves, 1/2-1/2 Clue #42 Stockfish vs Houdini, 2014  (D45) Queen's Gambit Declined Semi-Slav, 90 moves, 0-1 Clue #43 G Speed vs N Littlewood, 1968  (B09) Pirc, Austrian Attack, 20 moves, 1-0 Clue #44 V Berlinsky vs J Olsar, 2007  (C57) Two Knights, 30 moves, 0-1 Clue #45 M Szigeti vs Benko, 1945  (D44) Queen's Gambit Declined Semi-Slav, 38 moves, 0-1 Clue #46 L Egholm vs P Skjoldager, 2014 (C39) King's Gambit Accepted, 18 moves, 0-1 Clue #47 Fischer vs Fine, 1963  (C52) Evans Gambit, 17 moves, 1-0 Clue #48 P Ament vs C Gallo, 1974 (C30) King's Gambit Declined, 27 moves, 1-0 Clue #49 J Klavins vs Tal, 1949  (C10) French, 18 moves, 0-1 Clue #50 H Brunthaler vs J Eiler, 1989 (C27) Vienna Game, 58 moves, 1-0 Clue #51 D Studen vs N A Moore, 2011 (D02) Queen's Pawn Game, 51 moves, 1-0 Clue #52 M Bittaye vs M Maccapani, 2014 (A01) Nimzovich-Larsen Attack, 73 moves, 0-1 Clue #53 Gufeld vs W Schmidt, 1974 (B40) Sicilian, 43 moves, 0-1 Clue #54 T Simpson vs S Yvonne, 2002  (A40) Queen's Pawn Game, 21 moves, 1-0 Clue #55 Leko vs J Hickl, 1992 (B10) Caro-Kann, 59 moves, 1/2-1/2 Clue #56 Anderssen vs M Lange, 1868  (C77) Ruy Lopez, 54 moves, 0-1 Clue #57 W Golding vs Adams, 2014  (D02) Queen's Pawn Game, 31 moves, 0-1 Clue #58 A Pop vs A Copi, 2012  (D35) Queen's Gambit Declined, 24 moves, 1-0 Clue #59 W Zagema vs R Kraut, 1988  (B30) Sicilian, 11 moves, 1-0 Clue #60 S Galberg-Lund vs Dotzel, 1991  (C24) Bishop's Opening, 18 moves, 1-0 Clue #61 D Marolt vs B Skok, 2001  (D02) Queen's Pawn Game, 43 moves, 0-1 Clue #62 W S Wilson vs S Langleben, 1893  (D04) Queen's Pawn Game, 45 moves, 0-1 Clue #63 V Gunina vs W Ju, 2013  (A21) English, 30 moves, 1-0 Clue #64 Blackburne vs M Rudge, 1875  (C44) King's Pawn Game, 27 moves, 1-0 63 games