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. e4 e5 2. Bc4 Bc5 3. c3 ◀ Undo move

♞ You have reached Bishop's Opening: Philidor Variation C23 — the catalogued line ends exactly here.

Book continuations

Matching openings 6

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

3810 catalogued lines in total · openings encyclopedia