Sorensen Defense 3...d5 4.ed5 Lasker / Maroczy vs Vesely, 1900  (C21) Center Game, 41 moves, 0-1 Sorensen Defense 3...d5 4.ed5 Mieses vs Janowski, 1901  (C21) Center Game, 56 moves, 0-1 Sorensen Defense 3...d5 4.ed5 Smith vs E Cohn, 1902  (C21) Center Game, 9 moves, 1-0 Sorensen Defense 3...d5 4.ed5 Mieses vs H Wolf, 1903  (C21) Center Game, 22 moves, 1-0 Sorensen Defense 3...d5 4.ed5 Mieses vs J N Berger, 1904 (C21) Center Game, 41 moves, 1-0 Sorensen Defense 3...d5 4.ed5 Marshall vs Leonhardt, 1905 (C21) Center Game, 25 moves, 1/2-1/2 Sorensen Defense 3...d5 4.ed5 Mieses vs Taubenhaus, 1906  (C21) Center Game, 15 moves, 1-0 Sorensen Defense 3...d5 4.ed5 J Perlis vs Blackburne, 1907  (C21) Center Game, 34 moves, 0-1 Sorensen Defense 3...d5 4.ed5 Mieses vs Blackburne, 1907 (C21) Center Game, 37 moves, 1-0 Sorensen Defense 3...d5 4.ed5 Mieses vs H Shoosmith, 1907  (C21) Center Game, 41 moves, 0-1 Sorensen Defense 3...d5 4.ed5 Mieses vs Spielmann, 1907 (C21) Center Game, 31 moves, 0-1 Sorensen Defense 3...d5 4.ed5 Mieses vs H Wolf, 1907 (C21) Center Game, 30 moves, 1-0 Sorensen Defense 3...d5 4.ed5 Mieses vs L Loewy Sr, 1907 (C21) Center Game, 25 moves, 1-0 Sorensen Defense 3...d5 4.ed5 Mieses vs Prokes, 1908  (C21) Center Game, 59 moves, 1-0 Sorensen Defense 3...d5 4.ed5 Mieses vs Rubinstein, 1908  (C21) Center Game, 16 moves, 0-1 Sorensen Defense 3...d5 4.ed5 Mieses vs Alapin, 1908  (C21) Center Game, 31 moves, 0-1 Sorensen Defense 3...d5 4.ed5 Marshall vs H Daly, 1909 (C21) Center Game, 40 moves, 1-0 Sorensen Defense 3...d5 4.ed5 Lasker vs Breyer, 1911  (C21) Center Game, 25 moves, 0-1 Sorensen Defense 3...d5 4.ed5 G Nyholm vs Alekhine, 1912  (C21) Center Game, 25 moves, 0-1 Sorensen Defense 3...d5 4.ed5 Marshall vs Kupchik, 1913  (C21) Center Game, 31 moves, 1-0 Sorensen Defense 3...d5 4.ed5 Marshall vs Duras, 1913 (C21) Center Game, 81 moves, 1-0 Sorensen Defense 3...d5 4.ed5 G Nyholm vs Breyer, 1914 (C21) Center Game, 28 moves, 0-1 Sorensen Defense 3...d5 4.ed5 Marshall vs R Spencer, 1914 (C21) Center Game, 25 moves, 1-0 Sorensen Defense 3...d5 4.ed5 Reti vs Schlechter, 1914 (C21) Center Game, 31 moves, 1/2-1/2 Sorensen Defense 3...d5 4.ed5 G Nyholm vs Hromadka, 1914 (C21) Center Game, 49 moves, 1/2-1/2 Sorensen Defense 3...d5 4.ed5 G Nyholm vs P F Johner, 1914 (C21) Center Game, 29 moves, 0-1 Sorensen Defense 3...d5 4.ed5 Opocensky vs Tartakower, 1914 (C21) Center Game, 33 moves, 1/2-1/2 Sorensen Defense 3...d5 4.ed5 Marshall vs A Schroeder, 1915 (C21) Center Game, 22 moves, 1-0 Sorensen Defense 3...d5 4.ed5 Marshall vs R Goerlich, 1917  (C21) Center Game, 28 moves, 1/2-1/2 Sorensen Defense 3...d5 4.ed5 Marshall vs J S Morrison, 1918 (C21) Center Game, 57 moves, 1-0 Sorensen Defense 3...d5 4.ed5 Hromadka vs Prokes, 1922 (C21) Center Game, 36 moves, 0-1 Sorensen Defense 3...d5 4.ed5 Alekhine vs A Frieman, 1924   (C21) Center Game, 26 moves, 1-0 Sorensen Defense 3...d5 4.ed5 Alekhine vs P Hermann, 1925  (C21) Center Game, 42 moves, 1-0 Sorensen Defense 3...d5 4.ed5 Alekhine vs W Preiswerk, 1925  (C21) Center Game, 61 moves, 0-1 Sorensen Defense 3...d5 4.ed5 Alekhine vs Molina, 1926  (C21) Center Game, 31 moves, 1-0 Sorensen Defense 3...d5 4.ed5 Marshall vs Capablanca, 1926  (C21) Center Game, 17 moves, 1/2-1/2 Sorensen Defense 3...d5 4.ed5 Alekhine vs T Motta, 1939 (C21) Center Game, 53 moves, 1/2-1/2 Sorensen Defense 3...d5 4.ed5 Alekhine vs V Gonzalez, 1944  (C21) Center Game, 45 moves, 1-0 Sorensen Defense 3...d5 4.ed5 D Horne vs D Hooper, 1953 (C21) Center Game, 17 moves, 1/2-1/2 Sorensen Defense 3...d5 4.ed5 Ghitescu vs S Purevzhav, 1958 (C21) Center Game, 65 moves, 0-1 Sorensen Defense 3...d5 4.ed5 L Alster vs J Kozma, 1959 (C21) Center Game, 50 moves, 1-0 Sorensen Defense 3...d5 4.ed5 J Emma vs L Chemes, 1959 (C21) Center Game, 54 moves, 0-1 Sorensen Defense 3...d5 4.ed5 O M Hindle vs Milner-Barry, 1962 (C21) Center Game, 70 moves, 1/2-1/2 Sorensen Defense 3...d5 4.ed5 J Penrose vs Ujtumen, 1968 (C21) Center Game, 30 moves, 1-0 Sorensen Defense 3...d5 4.ed5 Miles vs Nunn, 1970  (C21) Center Game, 49 moves, 0-1 Sorensen Defense 3...d5 4.ed5 Hector vs F Braga, 1985 (C21) Center Game, 49 moves, 1/2-1/2 Sorensen Defense 3...d5 4.ed5 H Arnold vs Henryk Gaida, 1992 (C21) Center Game, 24 moves, 1-0 Sorensen Defense 3...d5 4.ed5 P Kana vs M Smistik, 1995 (C21) Center Game, 79 moves, 0-1 Sorensen Defense 3...d5 4.ed5 Z Klaric vs T Mihalincic, 1999 (C21) Center Game, 33 moves, 1-0 Sorensen Defense 3...d5 4.ed5 Saha Joydev vs T Heinz, 1999  (C21) Center Game, 21 moves, 1-0 Sorensen Defense 3...d5 4.ed5 T Dani vs K Bogi, 1999 (C21) Center Game, 44 moves, 1/2-1/2 Sorensen Defense 3...d5 4.ed5 HB Tan vs H Plasman, 2000 (C21) Center Game, 27 moves, 1-0 Sorensen Defense 3...d5 4.ed5 J Barrios Troncoso vs S Nordfjord, 2000 (C21) Center Game, 18 moves, 1/2-1/2 Sorensen Defense 3...d5 4.ed5 H Tan vs H Plasman, 2001 (C21) Center Game, 16 moves, 0-1 Sorensen Defense 3...d5 4.ed5 R Sluka vs J Sosna, 2001 (C21) Center Game, 39 moves, 0-1 Sorensen Defense 3...d5 4.ed5 M Voigt vs R Staak, 2001 (C21) Center Game, 45 moves, 1-0 Sorensen Defense 3...d5 4.ed5 J Exposito Portillo vs J R Aguilera, 2001 (C21) Center Game, 53 moves, 0-1 Sorensen Defense 3...d5 4.ed5 A Wilson vs S Sommer, 2006  (C21) Center Game, 22 moves, 1-0 Sorensen Defense 3...d5 4.ed5 C Briscoe vs D Ledger, 2006 (C21) Center Game, 59 moves, 0-1 Sorensen Defense 3...d5 4.ed5 Hermann vs IsiChess, 2006 (C21) Center Game, 70 moves, 0-1 Sorensen Defense 3...d5 4.ed5 J Kuan vs M Antonsen, 2010 (C21) Center Game, 38 moves, 0-1 Sorensen Defense 3...d5 4.ed5 R Maestri vs S Miednikova, 2011 (C21) Center Game, 51 moves, 0-1 Sorensen Defense 3...d5 4.ed5 P Kufa vs N E Zeytinoglu, 2011 (C21) Center Game, 33 moves, 1/2-1/2 Sorensen Defense 3...d5 4.Qd4 M S From vs H Czarnowski, 1867 (C21) Center Game, 70 moves, 1-0 Sorensen Defense 3...d5 4.Qd4 M S From vs C Golmayo, 1867 (C21) Center Game, 76 moves, 0-1 Sorensen Defense 3...d5 4.Qd4 M S From vs Winawer, 1867 (C21) Center Game, 41 moves, 0-1 Sorensen Defense 3...d5 4.Qd4 H Leeners vs Edwards, 1903  (C21) Center Game, 12 moves, 0-1 ...# Sorensen Defense 3...d5 4.Qd4 Opocensky vs Breyer, 1914 (C21) Center Game, 53 moves, 0-1 Sorensen Defense 3...d5 4.Qd4 Gambin vs Alekhine, 1945 (C21) Center Game, 36 moves, 0-1 Sorensen Defense 3...d5 4.Qd4 Fischer vs W Harris, 1958  (C21) Center Game, 47 moves, 1/2-1/2 ...# Sorensen Defense 3...d5 4.Qd4 Werner Goebl vs P Behrends, 1995 (C21) Center Game, 46 moves, 1-0 ...# Sorensen Defense 3...d5 4.Qd4 J Rosenberg vs T Robertsen, 2001  (C21) Center Game, 28 moves, 0-1 Sorensen Defense 3...d5 4.Qd4 S Catalfamo vs M Hlinschi, 2011 (C21) Center Game, 38 moves, 1-0 Sorensen Defense 3...d5 4.e5 Blackburne vs A Steinkuehler, 1871 (C21) Center Game, 33 moves, 1-0 Sorensen Defense 3...d5 4.e5 Lasker vs K Schultz, 1903 (C21) Center Game, 70 moves, 1-0 Sorensen Defense 3...d5 4.e5 P J Smith vs T Russell, 1972 (C21) Center Game, 37 moves, 0-1 Sorensen Defense 3...d5 4.e5 A Wilson vs P J Sowray, 2007  (C21) Center Game, 24 moves, 0-1