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 c5 2. Nf3 d6 3. c3 ◀ Undo move

♞ You have reached Sicilian Defense: Delayed Alapin Variation, with d6 B50 — the catalogued line ends exactly here.

Book continuations

Nf6 2

Matching openings 3

Sicilian Defense: Delayed Alapin Variation, Basman-Palatnik Gambit B50 7 plies deeper
Sicilian Defense: Delayed Alapin Variation, Basman-Palatnik Double Gambit B50 12 plies deeper

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

3810 catalogued lines in total · openings encyclopedia