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, and the position after those moves has 2 playable continuations to walk from here.

Opening repertoire map

Root edges show how often each move is played around your Elo. Use the arrow on a position to reveal the next replies.

Current position
English Opening: Symmetrical Variation, Four Knights Variation
8 plies
Symmetrical Variation, Four Knights Variation, Keres-Parma System
Popularity by Elo
Share of Lichess blitz, rapid, and classical games that continued with each move.
8
7
6
5
4
3
2
1
a
b
c
d
e
f
g
h

Current setup

Move ideas

  1. 1.c4

    Controls d5 from the flank without occupying the center immediately.

    Idea: Pressure the center from the side and keep the pawn structure flexible.

  2. 1c5

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

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

  3. 2.Nf3

    Develops the knight to f3, bringing it into the game.

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

  4. 2Nf6

    Develops the knight to f6, 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. 3Nc6

    Develops the knight to c6, bringing it into the game.

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

  7. 4.g3

    Advances the g-pawn to gain kingside space and control new squares.

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

Book continuations

Waiting for Lichess game popularity.

2 moves

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.

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