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 e6 2. Nf3 Nf6 3. g3
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Matching openings 5
- English Opening: Anglo-Indian Defense, Romanishin Variation A15 1 ply deeper
- English Opening: Agincourt Defense, Catalan Defense Accepted A13 3 plies deeper
- English Opening: Agincourt Defense, Catalan Defense, Semi-Slav Defense A13 3 plies deeper
- English Opening: Romanishin Gambit A13 3 plies deeper
- English Opening: Anglo-Indian Defense, Queen's Indian Formation A15 3 plies deeper
3810 catalogued lines in total · openings encyclopedia