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. Bc4 Nxe4 ◀ Undo move

♞ You have reached Vienna Game: Frankenstein-Dracula Variation C27 — the catalogued line ends exactly here.

Book continuations

Qh5 4

Matching openings 5

Vienna Game: Stanley Variation, Monster Declined C27 4 plies deeper
Vienna Game: Adams' Gambit C27 5 plies deeper
Vienna Game: Stanley Variation, Alekhine Variation C27 7 plies deeper
Vienna Game: Stanley Variation, Frankenstein-Dracula Variation C27 14 plies deeper

…and 1 more lines run through this position — keep making moves to narrow it down.

3810 catalogued lines in total · openings encyclopedia