Chess opening · ECO A40
Kangaroo Defense
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1. d4 e6 2. c4 Bb4+
Kangaroo Defense is catalogued under ECO code A40. It is reached after 2 moves (4 half-moves): 1. d4 e6 2. c4 Bb4+. After the last move it is White to play. White opens 1. d4. It is the defining line of the Kangaroo Defense family, which has 2 catalogued lines in total.