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. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4
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Matching openings 4
- Semi-Slav Defense: Gunderam Gambit D31 1 ply deeper
- Semi-Slav Defense: Marshall Gambit, Forgotten Variation D31 3 plies deeper
- Semi-Slav Defense: Marshall Gambit, Main Line D31 3 plies deeper
- Semi-Slav Defense: Marshall Gambit, Tolush Variation D31 10 plies deeper
3810 catalogued lines in total · openings encyclopedia