Dutch Defense: Classical Variation, Buenos Aires Variation

1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d6 7.Nc3 a5

ECO A96

The Dutch Defense: Classical Variation, Buenos Aires Variation is a chess opening line in the Dutch Defense complex, reached after 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d6 7.Nc3 a5.

It is catalogued under code A96 in the Encyclopaedia of Chess Openings (ECO).

The defining move a5 is chosen by Black on move 7.

Do you want to learn openings?

Start with a GM-authored repertoire you study move by move, then practice against a human-like AI opponent:

Every chess term used here is defined in the chess terms glossary. Browse all opening courses or the full ECO code index.