Chess opening · ECO C21
Danish Gambit Declined: Sörensen Defense
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1. e4 e5 2. d4 exd4 3. c3 d5
Danish Gambit Declined: Sörensen Defense is catalogued under ECO code C21. It is reached after 3 moves (6 half-moves): 1. e4 e5 2. d4 exd4 3. c3 d5. After the last move it is White to play. White opens 1. e4. It is a named variation of the Danish Gambit Declined, which has 1 catalogued lines in total.