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 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Qf3
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♞ You have reached Vienna Game: Vienna Gambit, Paulsen Attack C29 — the catalogued line ends exactly here.
Book continuations
Matching openings 3
- Vienna Game: Vienna Gambit, Bardeleben Variation C29 1 ply deeper
- Vienna Game: Heyde Variation C29 2 plies deeper
…and 1 more lines run through this position — keep making moves to narrow it down.
3810 catalogued lines in total · openings encyclopedia