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.

a8b7c6d5e4f3g2h1
1. g4 d5 ◀ Undo move

Book continuations

Matching openings 14

…and 2 more lines run through this position — keep making moves to narrow it down.

3810 catalogued lines in total · openings encyclopedia