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. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bf5 ◀ Undo move

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

Book continuations

Ne5 1

Matching openings 2

Scandinavian Defense: Grünfeld Variation B01 3 plies deeper

…and 1 more lines run through this position — keep making moves to narrow it down.

3810 catalogued lines in total · openings encyclopedia