Pirc Defense: Austrian Attack, Unzicker Attack

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 O-O 6.e5

ECO B09

The Pirc Defense: Austrian Attack, Unzicker Attack is a chess opening line in the Pirc Defense complex, reached after 1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 O-O 6.e5.

It is catalogued under code B09 in the Encyclopaedia of Chess Openings (ECO).

The defining move e5 is chosen by White on move 6.

One named continuation branches from this position: the Bronstein Variation.

Named variations

• Pirc Defense: Austrian Attack, Unzicker Attack, Bronstein Variation — ECO B09

Study this line with a grandmaster

This position is covered in the Beat The Pirc 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.