Flank openings

English Opening

1.c4

The English Opening starts with 1.c4 and is catalogued under ECO A10, in the flank openings half of the book. The catalog indexes 175 lines inside it, grouped into 127 named variations.

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Current setup

Move ideas

  1. 1.e4

    Claims the center with a pawn and opens lines for the queen and king’s bishop.

    Idea: Build quick development and make early castling possible.

  2. 1…e5

    Meets White’s center directly and opens lines for Black’s queen and bishop.

    Idea: Fight for equal central space in a balanced, open position.

  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. 2…d5

    Advances to d5 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 Opening. Open one to load it on the board and keep exploring from that position.

103 more named lines sit inside this family — the tree above walks all of them.

Openings from the same volume

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