Library/Openings/Pirc Defense/Austrian Attack/Unzicker Attack ECO B09
Opening· 11 plies

Pirc Defense: Austrian Attack, Unzicker Attack

An entry in the Encyclopedia of Chess Openings (ECO B09), reached after 11 half-moves: 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. e5.

Pirc Defense: Austrian Attack, Unzicker Attack ECO B09
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Black rook
Black knight
Black bishop
Black queen
Black rook
Black king
Black pawn
Black pawn
Black pawn
Black pawn
Black pawn
Black bishop
Black pawn
Black pawn
Black knight
Black pawn
White pawn
White pawn
White pawn
White knight
White knight
White pawn
White pawn
White pawn
White pawn
White pawn
White rook
White bishop
White queen
White king
White bishop
White rook
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About this opening

Pirc Defense: Austrian Attack, Unzicker Attack is an opening in the Encyclopedia of Chess Openings, classified under code B09. ECO group B (B00–B99) covers semi-open games (1.e4 with Black playing anything other than 1…e5), with the Sicilian, French, Caro-Kann and Pirc/Modern at its heart. This particular variation is reached after 11 half-moves from the starting position, with the move sequence 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. e5.

It belongs to the Pirc Defense family. Within that family this is a level-2 branch (the Austrian Attack → Unzicker Attack line). The immediate parent line is Pirc Defense: Austrian Attack, transitioned via 6.e5.

The opening sequence in prose form: 1.e4 d6, 2.d4 Nf6, 3.Nc3 g6, 4.f4 Bg7, 5.Nf3 O-O, 6.e5. From this position exactly one named continuation is recorded in the encyclopaedia.