English Opening: Symmetrical, Hedgehog, Flexible Formation

1.c4 e6 2.Nf3 c5 3.Nc3 Nf6 4.g3 b6 5.Bg2 Bb7 6.O-O Be7 7.d4 cxd4 8.Qxd4 d6 9.Rd1 a6 10.b3 Nbd7

ECO A30

The English Opening: Symmetrical, Hedgehog, Flexible Formation is a chess opening line in the English Opening complex, reached after 1.c4 e6 2.Nf3 c5 3.Nc3 Nf6 4.g3 b6 5.Bg2 Bb7 6.O-O Be7 7.d4 cxd4 8.Qxd4 d6 9.Rd1 a6 10.b3 Nbd7.

It is catalogued under code A30 in the Encyclopaedia of Chess Openings (ECO).

The defining move Nbd7 is chosen by Black on move 10.

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Every chess term used here is defined in the chess terms glossary. Browse all opening courses or the full ECO code index.