Current position
English Opening: Agincourt Defense
1.c4
The English Opening starts with 1.c4 and is catalogued under ECO A10, in the flank openings half of the book. The catalog indexes 175 lines inside it, grouped into 127 named variations, and the position after those moves has 3 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
Controls d5 from the flank without occupying the center immediately.
Idea: Pressure the center from the side and keep the pawn structure flexible.
Advances to e6 to claim central space and control nearby key squares.
Idea: Give the pieces room to develop behind a durable central foothold.
Develops the knight to f3, bringing it into the game.
Idea: Improve piece coordination and clear the back rank for castling and the rooks.
Waiting for Lichess game popularity.
Each line below is an indexed entry under English Opening. Open one to load it on the board and keep exploring from that position.
103 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 English Opening.