Clue #1 Anand vs Polgar, 2010  (B40) Sicilian, 35 moves, 1-0 Clue #2 Z Peng vs Smeets, 2004 (D10) Queen's Gambit Declined Slav, 35 moves, 0-1 Clue #3 A Bach vs B Badea, 2008  (C41) Philidor Defense, 47 moves, 0-1 Clue #4 S Safin vs D Barua, 2000  (D46) Queen's Gambit Declined Semi-Slav, 41 moves, 1/2-1/2 Clue #5 Sliwa vs C H Alexander, 1958 (E86) King's Indian, Samisch, Orthodox, 7.Nge2 c6, 40 moves, 0-1 Clue #6 The World vs H Yin, 2000  (C43) Petrov, Modern Attack, 44 moves, 1/2-1/2 Clue #7 P Ascic vs D Stojanovski, 2003 (B07) Pirc, 6 moves, 1/2-1/2 Clue #8 L Bigot vs C Purdy, 1947  (C91) Ruy Lopez, Closed, 66 moves, 0-1 Clue #9 Piket vs Kasparov, 2000  (A34) English, Symmetrical, 50 moves, 1-0 Clue #10 A Markov vs P Vinogradov, 1916  (C11) French, 37 moves, 1-0 Clue #11 W Schmidt vs T Tsagan, 1964  (B42) Sicilian, Kan, 24 moves, 1-0 Clue #12 Keene vs P Hammer, 1979 (A28) English, 28 moves, 1-0 Clue #13 Parma vs Qi Jingxuan, 1979  (C03) French, Tarrasch, 70 moves, 1-0 Clue #14 H Malm Lindberg vs J Bellon Lopez, 2006 (B43) Sicilian, Kan, 5.Nc3, 37 moves, 0-1 Clue #15 E Winslow vs K Lawless, 1981  (E67) King's Indian, Fianchetto, 73 moves, 1-0 Clue #16 Bowie vs Lasker, 1913  (C65) Ruy Lopez, Berlin Defense, 27 moves, 0-1 Clue #17 Averbakh vs Geller, 1952 (C07) French, Tarrasch, 18 moves, 1/2-1/2 Clue #18 Miles vs G Miralles, 1989  (E12) Queen's Indian, 100 moves, 0-1 Clue #19 F Zannoni vs F Cantoni, 1886  (D05) Queen's Pawn Game, 32 moves, 0-1 Clue #20 Deuterium vs Chess++, 2010  (C95) Ruy Lopez, Closed, Breyer, 31 moves, 1-0 Clue #21 Mamedyarov vs Z Izoria, 2003  (A45) Queen's Pawn Game, 30 moves, 1/2-1/2 Clue #22 Euwe vs Reti, 1920  (B10) Caro-Kann, 31 moves, 1-0 Clue #23 R Hommel vs P Haba, 1995  (A00) Uncommon Opening, 40 moves, 0-1 Clue #24 Zhou Zijun vs N Paikidze, 2004 (B90) Sicilian, Najdorf, 45 moves, 0-1 Clue #25 Alekhine vs V Rosenbergs, 1935  (D51) Queen's Gambit Declined, 22 moves, 0-1 Clue #26 NN vs A Severino, 1723  (B23) Sicilian, Closed, 15 moves, 0-1 Clue #27 P Haba vs O Sick, 1991  (A92) Dutch, 43 moves, 1-0 Clue #28 R Schulder vs S Boden, 1853  (C41) Philidor Defense, 15 moves, 0-1 Clue #29 Zzzzzz vs XINIX, 2006  (D31) Queen's Gambit Declined, 72 moves, 0-1 Clue #30 P Wright vs J Hanken, 2001  (A37) English, Symmetrical, 27 moves, 0-1 Clue #31 G Cooper vs J B Hakizimana, 2010  (B01) Scandinavian, 20 moves, 1-0 Clue #32 Bacrot vs C Lutz, 2005  (E15) Queen's Indian, 45 moves, 1/2-1/2 Clue #33 I (Babataeva) Bajt vs A Isaeva, 2010 (B31) Sicilian, Rossolimo Variation, 26 moves, 1-0 Clue #34 Letelier vs Fischer, 1960  (E70) King's Indian, 23 moves, 0-1 Clue #35 Fine vs Dake, 1931  (E43) Nimzo-Indian, Fischer Variation, 17 moves, 0-1 Clue #36 Em. Lasker / Marler / Liddel vs Babson / Henderson / Fleming, 1892  (C62) Ruy Lopez, Old Steinitz Defense, 28 moves, 1-0 Clue #37 E Delmar vs W Napier, 1901  (C32) King's Gambit Declined, Falkbeer Counter Gambit, 21 moves, 1-0 Clue #38 A Compton vs S Reichard, 2008  (C25) Vienna, 20 moves, 1-0 Clue #39 Tarrasch vs J N Berger, 1889  (C77) Ruy Lopez, 74 moves, 1-0 Clue #40 J Sefc vs F Zita, 1948  (B11) Caro-Kann, Two Knights, 3...Bg4, 22 moves, 0-1 Clue #41 D McClain vs T Hamilton, 2001 (A10) English, 50 moves, 1-0 Clue #42 C Boo Martin vs P Gutierrez Barrientos, 2001  (B21) Sicilian, 2.f4 and 2.d4, 38 moves, 1-0 Clue #43 Polgar vs H Schussler, 1989 (C92) Ruy Lopez, Closed, 38 moves, 1-0 Clue #44 Lasker vs Steinitz, 1894  (C62) Ruy Lopez, Old Steinitz Defense, 46 moves, 1-0 Clue #45 O Alabi vs F Afonso, 1998 (D00) Queen's Pawn Game, 30 moves, 1-0 Clue #46 (see note above) Polugaevsky vs J H Donner, 1966 (B87) Sicilian, Fischer-Sozin with ...a6 and ...b5, 41 moves, 1-0 Clue #47 F Foster vs B Marsick, 1978  (C25) Vienna, 40 moves, 1-0 Clue #48 Chor Yuen Chong vs J Shaw, 2004 (D18) Queen's Gambit Declined Slav, Dutch, 35 moves, 0-1 Clue #49 K Bayer vs Falkbeer, 1852  (C52) Evans Gambit, 23 moves, 0-1 Clue #50 Rafnung vs Auger, 1985  (C28) Vienna Game, 32 moves, 1-0 Clue #51 Blackburne vs Burn, 1870  (C60) Ruy Lopez, 17 moves, 0-1 Clue #52 Bacrot vs Z Almasi, 2000 (B32) Sicilian, 41 moves, 1-0 Clue #53 M Umansky vs D Kudischewitsch, 1987  (D17) Queen's Gambit Declined Slav, 16 moves, 1-0 Clue #54 D Calder vs N Katte, 2007  (A43) Old Benoni, 18 moves, 1-0 Clue #55 Robson vs Onischuk, 2010 (C45) Scotch Game, 54 moves, 0-1 Clue #56 Ehlvest vs Kasparov, 1988  (B82) Sicilian, Scheveningen, 42 moves, 1/2-1/2 Clue #57 Lasker vs S Polner, 1889  (C26) Vienna, 21 moves, 0-1 Clue #58 T Karolyi Jr. vs W Schmidt, 1988  (D97) Grunfeld, Russian, 36 moves, 1/2-1/2 Clue #59 A Jain vs R Norinkeviciute, 2007  (B06) Robatsch, 2 moves, 1-0 Clue #60 Shannon vs Simonet, 1984 (C32) King's Gambit Declined, Falkbeer Counter Gambit, 46 moves, 1-0 Clue #61 P Saint Amour vs A Gilimshin, 2003  (C18) French, Winawer, 12 moves, 0-1 Clue #62 J Mieses vs Capablanca, 1913  (C22) Center Game, 44 moves, 0-1 Clue #63 H Jennings Nowell vs Philidor, 1788  (000) Chess variants, 60 moves, 0-1 Clue #64 R Teschner vs J H Donner, 1971  (B10) Caro-Kann, 40 moves, 1/2-1/2 64 games