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. f4 d5
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Matching openings 3
- Sicilian Defense: McDonnell Attack, Toilet Variation B21 1 ply deeper
- Bird Opening: Dutch Variation, Batavo Gambit B21 2 plies deeper
- Sicilian Defense: McDonnell Attack, Tal Gambit B21 2 plies deeper
3810 catalogued lines in total · openings encyclopedia