Open games & French

Four Knights Game

1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6

The Four Knights Game starts with 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 and is catalogued under ECO C47, in the open games & french half of the book. The catalog indexes 49 lines inside it, grouped into 40 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. 2Nc6

    Defends e5 while developing the queen’s knight toward the center.

    Idea: Hold the central pawn and keep several classical setups available.

  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. 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.Bb5

    Develops the bishop to b5, bringing it into the game.

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

  8. 4Bb4

    Develops the bishop to b4, bringing it into the game.

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

  9. 5.O-O

    Tucks the king away and activates the rook in a single move.

    Idea: Finish kingside development so the central pieces can coordinate safely.

  10. 5O-O

    Tucks the king away and activates the rook in a single move.

    Idea: Finish kingside development so the central pieces can coordinate safely.

  11. 6.d3

    Advances to d3 to claim central space and control nearby key squares.

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

  12. 6Bxc3

    Captures the knight on c3 and changes the local pawn or piece balance.

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

  13. 7.bxc3

    Captures the bishop on c3 and changes the local pawn or piece balance.

    Idea: Open lines in the queenside and reshape the center for the next phase.

  14. 7d6

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

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

  15. 8.Re1

    Repositions the rook to e1, where it influences a new part of the board.

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

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 Four Knights Game. Open one to load it on the board and keep exploring from that position.

16 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 Four Knights Game.