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. f4 exf4 3. Bc4 Nf6 4. Nc3
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♞ You have reached King's Gambit Accepted: Bishop's Gambit, Bogoljubow Variation C33 — the catalogued line ends exactly here.
Matching openings 3
- King's Gambit Accepted: Bishop's Gambit, Bogoljubow Defense C33 1 ply deeper
- King's Gambit Accepted: Bishop's Gambit, Paulsen Attack C33 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