Open games & French

Bishop's Opening

1.e4 e5 2.Bc4

The Bishop's Opening starts with 1.e4 e5 2.Bc4 and is catalogued under ECO C23, in the open games & french half of the book. The catalog indexes 41 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.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.

  4. 2Bc5

    Develops the bishop to c5, bringing it into the game.

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

  5. 3.b4

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

    Idea: Prepare a fianchetto or discourage the opponent’s expansion on that wing.

  6. 3Bxb4

    Captures the pawn on b4 and changes the local pawn or piece balance.

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

  7. 4.f4

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

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

  8. 4exf4

    Captures the pawn on f4 and changes the local pawn or piece balance.

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

  9. 5.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.

  10. 5Be7

    Repositions the bishop to e7, 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.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.

  12. 6Bh4+

    Repositions the bishop to h4, where it influences a new part of the board, forcing the king to answer a check.

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

  13. 7.g3

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

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

  14. 7fxg3

    Captures the pawn on g3 and changes the local pawn or piece balance.

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

  15. 8.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.

  16. 8gxh2+

    Captures the pawn on h2 and changes the local pawn or piece balance, forcing the king to answer a check.

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

  17. 9.Kh1

    Repositions the king to h1, where it influences a new part of the board.

    Idea: Improve king safety or step toward a more useful endgame square.

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 Bishop's Opening. 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 Bishop's Opening.