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. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6
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♞ You have reached English Opening: Symmetrical Variation, Four Knights Variation A35 — the catalogued line ends exactly here.
Book continuations
Matching openings 4
- English Opening: Symmetrical Variation, Four Knights Variation, Keres-Parma System A35 2 plies deeper
- English Opening: Symmetrical Variation A34 4 plies deeper
- Queen's Gambit Declined: Semi-Tarrasch Defense D41 4 plies deeper
…and 1 more lines run through this position — keep making moves to narrow it down.
3810 catalogued lines in total · openings encyclopedia