Flank openings

Réti Opening

1.Nf3 d5 2.c4

The Réti Opening starts with 1.Nf3 d5 2.c4 and is catalogued under ECO A09, in the flank openings half of the book. The catalog indexes 43 lines inside it, grouped into 20 named variations.

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Current setup

Move ideas

  1. 1.Nf3

    Develops a knight toward the center, where it controls e5 and d4.

    Idea: Add central influence while preparing to castle kingside.

  2. 1Nf6

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

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

  3. 2.c4

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

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

  4. 2c6

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

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

  5. 3.b3

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

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

  6. 3d5

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

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

  7. 4.Bb2

    Develops the bishop to b2, bringing it into the game.

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

  8. 4Bf5

    Develops the bishop to f5, bringing it into the game.

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

  9. 5.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.

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 Réti Opening. Open one to load it on the board and keep exploring from that position.

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