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 g6 2. d4 Bg7 3. Nc3 d6 4. Nf3
◀ Undo move
♞ You have reached Modern Defense: Two Knights Variation B06 — the catalogued line ends exactly here.
Book continuations
Matching openings 2
- Modern Defense: Two Knights Variation, Suttles Variation, Tal Gambit B06 5 plies deeper
…and 1 more lines run through this position — keep making moves to narrow it down.
3810 catalogued lines in total · openings encyclopedia