Flank openings

English Defense

1.d4 b6

The English Defense starts with 1.d4 b6 and is catalogued under ECO A40, in the flank openings half of the book. The catalog indexes 7 lines inside it, grouped into 6 named variations.

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Current setup

Move ideas

  1. 1.d4

    Takes central space with a protected pawn and frees the queen’s bishop.

    Idea: Build a stable center that supports a broad positional setup.

  2. 1b6

    Advances the b-pawn to gain queenside space and control new squares.

    Idea: Create useful wing space while keeping the central structure flexible.

  3. 2.c4

    Advances the c-pawn to gain queenside space and control new squares.

    Idea: Create useful wing space while keeping the central structure flexible.

  4. 2Bb7

    Develops the bishop to b7, bringing it into the game.

    Idea: Improve piece coordination and clear the back rank for castling and the rooks.

  5. 3.Nc3

    Develops the knight to c3, bringing it into the game.

    Idea: Improve piece coordination and clear the back rank for castling and the rooks.

  6. 3e5

    Advances to e5 to claim central space and control nearby key squares.

    Idea: Give the pieces room to develop behind a durable central foothold.

Book continuations

Waiting for Lichess game popularity.

0 moves
This is the end of the indexed line.

Named variations

Each line below is an indexed entry under English Defense. Open one to load it on the board and keep exploring from that position.

ECO groups openings by the structures they lead to, so these families tend to share plans with the English Defense.