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. Nf3 a6 3. d4 cxd4
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Matching openings 4
- Sicilian Defense: O'Kelly Variation, Normal System, Cortlever Gambit B28 1 ply deeper
- Sicilian Defense: O'Kelly Variation, Normal System, Smith-Morra Line B28 1 ply deeper
- Sicilian Defense: O'Kelly Variation, Normal System, Zagorovsky Line B28 1 ply deeper
- Sicilian Defense: O'Kelly Variation, Normal System, Taimanov Line B28 2 plies deeper
3810 catalogued lines in total · openings encyclopedia