Current position
Rat Defense: English Rat
1.e4 d6 2.f4
The Rat Defense starts with 1.e4 d6 2.f4 and is catalogued under ECO B00, in the semi-open games half of the book. The catalog indexes 11 lines inside it, grouped into 11 named variations, and the position after those moves has 2 playable continuations 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
Takes central space with a protected pawn and frees the queen’s bishop.
Idea: Build a stable center that supports a broad positional setup.
Advances to d6 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.
Advances to e5 to claim central space and control nearby key squares.
Idea: Give the pieces room to develop behind a durable central foothold.
Captures the pawn on e5 and changes the local pawn or piece balance.
Idea: Open lines in the center and reshape the center for the next phase.
Waiting for Lichess game popularity.
Each line below is an indexed entry under Rat Defense. 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 Rat Defense.