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, and the position after those moves has 1 playable continuation to walk from here.

Opening repertoire map

Root edges show how often each move is played around your Elo. Use the arrow on a position to reveal the next replies.

Current position
Réti Opening: Advance Variation
7 plies
Reversed Blumenfeld Gambit
Popularity by Elo
Share of Lichess blitz, rapid, and classical games that continued with each move.
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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. 1d5

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

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

  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. 2d4

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

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

  5. 3.e3

    Advances to e3 to claim central space and control nearby key squares.

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

  6. 3c5

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

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

Book continuations

Waiting for Lichess game popularity.

1 move

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.