English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with .. d6, a6

1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.g3 Bc5 5.d3 d6 6.Bg2 a6

ECO A29

The English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with .. d6, a6 is a chess opening line in the English Opening complex, reached after 1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.g3 Bc5 5.d3 d6 6.Bg2 a6.

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

The defining move a6 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.