Open games & French

French Defense

1.e4 e6

The French Defense starts with 1.e4 e6 and is catalogued under ECO C00, in the open games & french half of the book. The catalog indexes 212 lines inside it, grouped into 170 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. 1e6

    Prepares ...d5 to challenge White’s center with a supported pawn.

    Idea: Build a compact pawn chain, then attack its base with ...c5.

  3. 2.d4

    Advances to d4 to claim central space and control nearby key squares.

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

  4. 2d5

    Advances to d5 to claim central space and control nearby key squares.

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

  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. 3a6

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

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

  7. 4.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.

  8. 4Nf6

    Develops the knight to f6, bringing it into the game.

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

  9. 5.e5

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

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

  10. 5Nfd7

    Repositions the knight to d7, where it influences a new part of the board.

    Idea: Improve the piece’s activity and support the next stage of the plan.

  11. 6.Bg5

    Develops the bishop to g5, bringing it into the game.

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

Book continuations

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0 moves
This is the end of the indexed line.

Named variations

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

146 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 French Defense.