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Anderssen's Opening: Polish Gambit is a chess opening that arises after 1.a3 a5 2.b4. It is classified A00 in the ECO system, and the position after these moves has black to move.
This line is a variation within the Anderssen's Opening family. The strategic ideas above describe the family as a whole; this particular line reaches them by the move order 1.a3 a5 2.b4.