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
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Matching openings 15
- Vienna Gambit, with Max Lange Defense: Knight Variation C25 1 ply deeper
- Vienna Gambit, with Max Lange Defense: Steinitz Gambit C25 1 ply deeper
- Vienna Gambit, with Max Lange Defense: Cunningham Defense C25 2 plies deeper
- Vienna Gambit, with Max Lange Defense: Pierce Gambit C25 3 plies deeper
- Vienna Gambit, with Max Lange Defense: Steinitz Gambit, Main Line C25 3 plies deeper
- Vienna Gambit, with Max Lange Defense: Steinitz Gambit, Fraser-Minckwitz Defense C25 4 plies deeper
- Vienna Gambit, with Max Lange Defense: Steinitz Gambit, Paulsen Defense C25 4 plies deeper
- Vienna Gambit, with Max Lange Defense: Steinitz Gambit, Sörensen Defense C25 4 plies deeper
- Vienna Gambit, with Max Lange Defense: Steinitz Gambit, Zukertort Defense C25 4 plies deeper
- Vienna Gambit, with Max Lange Defense: Hamppe-Allgaier Gambit C25 5 plies deeper
- Vienna Game: Hamppe-Muzio Gambit C25 5 plies deeper
- Vienna Gambit, with Max Lange Defense: Hamppe-Allgaier Gambit, Alapin Variation C25 6 plies deeper
…and 3 more lines run through this position — keep making moves to narrow it down.
3810 catalogued lines in total · openings encyclopedia