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 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6
◀ Undo move
♞ You have reached Alekhine Defense: Exchange Variation B03 — the catalogued line ends exactly here.
Book continuations
Matching openings 3
- Alekhine Defense: Exchange Variation, Voronezh Variation B03 8 plies deeper
- Alekhine Defense: Exchange Variation, Karpov Variation B03 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