Opening explorer

Walk any move order through the catalog: pick a book continuation and watch the board, or open the matching ECO lines on the side. Move orders, not transpositions — exactly the paths over the board. Prefer the family trees? Every opening page has one.

1. d4 Nf6 2. c4 e6 3. g3 d5 ◀ Undo move

♞ You have reached Catalan Opening E00 — the catalogued line ends exactly here.

Book continuations

Bg2 18

Matching openings 19

Catalan Opening: Open Defense E01 1 ply deeper
Catalan Opening: Open Defense E02 2 plies deeper
Catalan Opening: Open Defense E04 3 plies deeper
Catalan Opening: Closed E06 3 plies deeper
Catalan Opening: Tarrasch Defense E01 4 plies deeper
Catalan Opening: Open Defense, Classical Line E05 4 plies deeper
Catalan Opening: Open Defense E03 5 plies deeper
Catalan Opening: Open Defense, Modern Sharp Variation E04 6 plies deeper
Catalan Opening: Closed E07 6 plies deeper
Catalan Opening: Open Defense, Alekhine Variation E03 7 plies deeper
Catalan Opening: Closed E08 7 plies deeper
Catalan Opening: Closed, Botvinnik Variation E07 9 plies deeper

…and 7 more lines run through this position — keep making moves to narrow it down.

3810 catalogued lines in total · openings encyclopedia