Grünfeld Defense: Three Knights Variation, Burille Variation

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3

ECO D94

The Grünfeld Defense: Three Knights Variation, Burille Variation is a chess opening line in the Grünfeld Defense complex, reached after 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3.

It is catalogued under code D94 in the Encyclopaedia of Chess Openings (ECO).

The defining move e3 is chosen by White on move 5.

One named continuation branches from this position: the Reversed Tarrasch.

Named variations

• Grünfeld Defense: Three Knights Variation, Burille Variation, Reversed Tarrasch — ECO A56

Study this line with a grandmaster

This position is covered in the Grunfeld 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.