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. By default move orders are strict — flip the toggle to group by position and pull in transpositions.
1. d4 Nf6 2. Nc3 d5 3. Bg5 Nbd7 4. Nf3
◀ Undo move
♞ You have reached Richter-Veresov Attack: Two Knights System D01 — the catalogued line ends exactly here.
Book continuations win% from 1.5M rated games
Matching openings 2
- Richter-Veresov Attack: Two Knights System, Grünfeld Defense D01 1 ply deeper
…and 1 more lines run through this position — keep making moves to narrow it down.
3810 catalogued lines in total · openings encyclopedia