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 Nc6 3. f4 exf4 4. Nf3
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♞ You have reached Vienna Gambit, with Max Lange Defense: Knight Variation C25 — the catalogued line ends exactly here.
Matching openings 9
- Vienna Gambit, with Max Lange Defense: Cunningham Defense C25 1 ply deeper
- Vienna Gambit, with Max Lange Defense: Pierce Gambit C25 2 plies deeper
- Vienna Gambit, with Max Lange Defense: Hamppe-Allgaier Gambit C25 4 plies deeper
- Vienna Game: Hamppe-Muzio Gambit C25 4 plies deeper
- Vienna Gambit, with Max Lange Defense: Hamppe-Allgaier Gambit, Alapin Variation C25 5 plies deeper
- Vienna Gambit, with Max Lange Defense: Hamppe-Muzio Gambit C25 5 plies deeper
- Vienna Game: Hamppe-Muzio, Dubois Variation C25 9 plies deeper
- Vienna Game: Pierce Gambit, Rushmere Attack C25 10 plies deeper
…and 1 more lines run through this position — keep making moves to narrow it down.
3810 catalogued lines in total · openings encyclopedia