English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with Nb6

1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Nb6

ECO A29

The English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with Nb6 is a chess opening line in the English Opening complex, reached after 1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Nb6.

It is catalogued under code A29 in the Encyclopaedia of Chess Openings (ECO).

The defining move Nb6 is chosen by Black on move 6.

Study this line with a grandmaster

This position is covered in the English Opening 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.