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Sodium Attack: Durkin Gambit is a chess opening that arises after 1.Na3 e5 2.Nc4 Nc6 3.e4 f5. It is classified A00 in the ECO system, and the position after these moves has white to move.
This line is a variation within the Sodium Attack family. The strategic ideas above describe the family as a whole; this particular line reaches them by the move order 1.Na3 e5 2.Nc4 Nc6 3.e4 f5.