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 d6 3. Bb5
◀ Undo move
♞ You have reached Sicilian Defense: Moscow Variation B51 — the catalogued line ends exactly here.
Matching openings 6
- Sicilian Defense: Moscow Variation, Main Line B52 1 ply deeper
- Sicilian Defense: Moscow Variation, Sokolsky Variation B52 4 plies deeper
- Sicilian Defense: Moscow Variation, Dorfman Gambit B51 6 plies deeper
- Sicilian Defense: Moscow Variation, Haag Gambit B52 8 plies deeper
- Sicilian Defense: Moscow Variation, Moscow Gambit B51 12 plies deeper
…and 1 more lines run through this position — keep making moves to narrow it down.
3810 catalogued lines in total · openings encyclopedia