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. Move orders, not transpositions — exactly the paths over the board. Prefer the family trees? Every opening page has one.
1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3
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Matching openings 7
- Sicilian Defense: Closed B25 1 ply deeper
- Sicilian Defense: Closed B25 2 plies deeper
- Sicilian Defense: Closed B26 2 plies deeper
- Sicilian Defense: Closed, Botvinnik Defense, with f4 B25 3 plies deeper
- Sicilian Defense: Closed, Botvinnik Defense, with Nge2 B25 3 plies deeper
- Sicilian Defense: Closed, Smyslov Variation B24 4 plies deeper
- Sicilian Defense: Closed, Botvinnik Defense, Edge Variation B25 5 plies deeper
3810 catalogued lines in total · openings encyclopedia