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.
⚖ Grouping by position
Grouping by position: lines that reach this position by a different move order are included too.
1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. d4 d5
◀ Undo move
♞ You have reached Grünfeld Defense: Counterthrust Variation E60 — the catalogued line ends exactly here.
Matching openings 5
- Neo-Grünfeld Defense: with g3 D73 1 ply deeper
- Neo-Grünfeld Defense: Exchange Variation D71 2 plies deeper
- Neo-Grünfeld Defense: Exchange Variation D71 3 plies deeper
- Neo-Grünfeld Defense: with g3 D72 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