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 g6 2. d4 Bg7 3. Nc3 c5
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♞ You have reached Modern Defense: Modern Pterodactyl B06 — the catalogued line ends exactly here.
Matching openings 7
- Pterodactyl Defense: Eastern, Anhanguera B06 1 ply deeper
- Pterodactyl Defense: Eastern, Rhamphorhynchus B06 2 plies deeper
- Pterodactyl Defense: Sicilian, Siroccopteryx B06 3 plies deeper
- Pterodactyl Defense: Eastern, Benoni Pteranodon B06 4 plies deeper
- Pterodactyl Defense: Eastern, Pteranodon B06 4 plies deeper
- Pterodactyl Defense: Sicilian, Quetzalcoatlus B06 4 plies deeper
…and 1 more lines run through this position — keep making moves to narrow it down.
3810 catalogued lines in total · openings encyclopedia