Nimzo-Indian Defense: St. Petersburg Variation, with Ne4

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Bd3 Bb7 6.Nf3 Ne4

ECO E43

The Nimzo-Indian Defense: St. Petersburg Variation, with Ne4 is a chess opening line in the Nimzo-Indian Defense complex, reached after 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Bd3 Bb7 6.Nf3 Ne4.

It is catalogued under code E43 in the Encyclopaedia of Chess Openings (ECO).

The defining move Ne4 is chosen by Black on move 6.

Study this line with a grandmaster

This position is covered in the Nimzo-Indian Defense 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.