ECO Codes
A searchable index of named opening lines and their ECO codes (A–E). Each line's board is drawn from its moves. Opening names are a frozen snapshot of the public-domain lichess-org/chess-openings list.
A searchable index of named opening lines and their ECO codes (A–E). Each line's board is drawn from its moves. Opening names are a frozen snapshot of the public-domain lichess-org/chess-openings list.