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. Nf3 Nf6 2. c4 e6 3. Nc3 c5 4. d4
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Matching openings 3
- English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense A33 3 plies deeper
- English Opening: Symmetrical Variation, Anti-Benoni Variation, Geller Variation A33 5 plies deeper
- Tarrasch Defense: Classical Variation, Bogoljubow Variation D34 13 plies deeper
3810 catalogued lines in total · openings encyclopedia