Nimzo-Larsen Attack: Classical Variation

1.b3 d5

ECO A01

The Nimzo-Larsen Attack: Classical Variation is a chess opening line in the Nimzo-Larsen Attack complex, reached after 1.b3 d5.

It is catalogued under code A01 in the Encyclopaedia of Chess Openings (ECO).

The defining move d5 is chosen by Black on move 1.

Study this line with a grandmaster

This position is covered in the Nimzowitsch-Larsen Attack course: 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.