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.

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1. e4 d5 2. exd5 Nf6 3. d4 Bg4 ◀ Undo move

♞ You have reached Scandinavian Defense: Portuguese Gambit B01 — the catalogued line ends exactly here.

Book continuations

3810 catalogued lines in total · openings encyclopedia