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 c5 2. Nf3 g6 3. d4
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♞ You have reached Sicilian Defense: Hyperaccelerated Dragon B27 — the catalogued line ends exactly here.
Matching openings 12
- Sicilian Defense: Frederico Variation B27 1 ply deeper
- Sicilian Defense: Hyperaccelerated Pterodactyl B27 1 ply deeper
- Modern Defense: Pterodactyl Variation B27 3 plies deeper
- Pterodactyl Defense: Western, Rhamphorhynchus B27 3 plies deeper
- Pterodactyl Defense: Sicilian, Anhanguera B27 4 plies deeper
- Pterodactyl Defense: Sicilian, Benoni Gambit B27 4 plies deeper
- Pterodactyl Defense: Sicilian, Rhamphorhynchus B27 4 plies deeper
- Pterodactyl Defense: Sicilian, Unpin B27 4 plies deeper
- Pterodactyl Defense: Sicilian, Pteranodon B27 6 plies deeper
- Sicilian Defense: Hyperaccelerated Pterodactyl, Exchange Variation B27 7 plies deeper
- Sicilian Defense: Dragon Variation, Classical Variation, Bernard Defense B74 21 plies deeper
…and 1 more lines run through this position — keep making moves to narrow it down.
3810 catalogued lines in total · openings encyclopedia