Current position
Réti Opening: Réti Accepted
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.
Root edges show how often each move is played around your Elo. Use the arrow on a position to reveal the next replies.
Current setup
Move ideas
Develops a knight toward the center, where it controls e5 and d4.
Idea: Add central influence while preparing to castle kingside.
Advances to d5 to claim central space and control nearby key squares.
Idea: Give the pieces room to develop behind a durable central foothold.
Advances the c-pawn to gain queenside space and control new squares.
Idea: Create useful wing space while keeping the central structure flexible.
Captures the pawn on c4 and changes the local pawn or piece balance.
Idea: Open lines in the queenside and reshape the center for the next phase.
Advances to e3 to claim central space and control nearby key squares.
Idea: Give the pieces room to develop behind a durable central foothold.
Waiting for Lichess game popularity.
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.