Open games & French

Philidor Defense

1.e4 e5 2.Nf3 d6

The Philidor Defense starts with 1.e4 e5 2.Nf3 d6 and is catalogued under ECO C41, in the open games & french half of the book. The catalog indexes 44 lines inside it, grouped into 38 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. 1e5

    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.Nf3

    Develops the king’s knight and attacks Black’s e5-pawn.

    Idea: Increase central pressure while getting ready to castle.

  4. 2d6

    Advances to d6 to claim central space and control nearby key squares.

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

  5. 3.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.

  6. 3Nf6

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

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

  7. 4.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.

  8. 4Nbd7

    Develops the knight to d7, bringing it into the game.

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

  9. 5.Bc4

    Develops the bishop to c4, bringing it into the game.

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

  10. 5Be7

    Develops the bishop to e7, bringing it into the game.

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

  11. 6.Bxf7+

    Captures the pawn on f7 and changes the local pawn or piece balance, forcing the king to answer a check.

    Idea: Remove an active defender and improve the moving piece’s influence.

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 Philidor Defense. Open one to load it on the board and keep exploring from that position.

14 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 Philidor Defense.