King's Indian Defense: Orthodox Variation, Bayonet Attack, Sokolov's Line

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 Nh5 10.Re1

ECO E97

The King's Indian Defense: Orthodox Variation, Bayonet Attack, Sokolov's Line 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 Nh5 10.Re1.

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

The defining move Re1 is chosen by White on move 10.

The King's Indian Defense: Orthodox Variation, Bayonet Attack, Sokolov's Line is a line of the King's Indian Defense. The King's Indian Defense is a chess opening that begins 1.d4 Nf6 2.c4 g6, with Black fianchettoing the bishop to g7 and castling before challenging the center with ...e5 or ...c5. Read the complete King's Indian Defense guide: what it is, how to reach it, its main variations, how to play against it, and its history.

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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.