King's Indian Defense: Orthodox Variation, Bayonet Attack

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Nc6 8.d5 Ne7 9.b4

ECO E97

The King's Indian Defense: Orthodox Variation, Bayonet Attack is a chess opening line in the King's Indian Defense complex, reached after 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Nc6 8.d5 Ne7 9.b4.

It is catalogued under code E97 in the Encyclopaedia of Chess Openings (ECO).

The defining move b4 is chosen by White on move 9.

2 named continuations branch from this position, including the Sokolov's Line and the Yepishin's Line.

Named variations

• King's Indian Defense: Orthodox Variation, Bayonet Attack, Sokolov's Line — ECO E97
• King's Indian Defense: Orthodox Variation, Bayonet Attack, Yepishin's Line — ECO E97

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This position is covered in the King's Indian Defense with ...e5 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.