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 e6 2. Nc3 Nf6 3. e4 c5 4. e5 Ng8
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♞ You have reached English Opening: Anglo-Indian Defense, Flohr-Mikenas-Carls Variation, Nei Gambit A19 — the catalogued line ends exactly here.
Book continuations
No catalogued line continues from here — the book ends at this position. Undo a move or start a different order.
Matching openings 1
Only the line above reaches this exact move order.
3810 catalogued lines in total · openings encyclopedia