1.e4 g6
The Modern Defense starts with 1.e4 g6 and is catalogued under ECO B06. It belongs to the semi-open games section of the book. The catalog indexes 39 lines inside it, grouped into 37 named variations. The position after those moves has 4 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
Claims the center with a pawn and opens lines for the queen and king’s bishop.
Idea: Build quick development and make early castling possible.
Advances the g-pawn to gain kingside space and control new squares.
Idea: Create useful wing space while keeping the central structure flexible.
Waiting for Lichess game popularity.
Each line below is an indexed entry under Modern 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 Modern Defense.
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13 more named lines sit inside this family — the tree above walks all of them.