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. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6
◀ Undo move
♞ You have reached Ruy Lopez: Morphy Defense, Modern Steinitz Defense C71 — the catalogued line ends exactly here.
Matching openings 12
- Ruy Lopez: Morphy Defense, Modern Steinitz Defense C71 1 ply deeper
- Ruy Lopez: Morphy Defense, Modern Steinitz Defense C71 1 ply deeper
- Ruy Lopez: Morphy Defense, Modern Steinitz Defense C72 1 ply deeper
- Ruy Lopez: Morphy Defense, Modern Steinitz Defense C74 1 ply deeper
- Ruy Lopez: Morphy Defense, Modern Steinitz Defense, Siesta Variation C74 2 plies deeper
- Ruy Lopez: Morphy Defense, Modern Steinitz Defense C75 2 plies deeper
- Ruy Lopez: Morphy Defense, Modern Steinitz Defense C73 3 plies deeper
- Ruy Lopez: Morphy Defense, Modern Steinitz Defense C73 4 plies deeper
- Ruy Lopez: Morphy Defense, Modern Steinitz Defense C75 4 plies deeper
- Ruy Lopez: Morphy Defense, Modern Steinitz Defense C74 5 plies deeper
- Ruy Lopez: Closed, Kecskemet Variation C72 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