|ECO code: A00|
The Durkin Opening or Sodium Attack (Sodium due to the algebraic notation Na3, Na being the chemical symbol for sodium) is rarely played. The move does little to enhance the White position, although some sources consider it to be better than its reputation.
Black's best response is 1...d5, although 1...e5 is sometimes seen. White may continue with 2.b3, preparing to fianchetto with 3.Bb2, or with 2.c4. Alternatively, if black plays 1...e5, white may choose 2.Nc4 to put pressure on the e5 pawn.
No statistics as 1. Na3 is very rarely played.
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