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. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5
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♞ You have reached Nimzo-Indian Defense: Rubinstein System E41 — the catalogued line ends exactly here.
Matching openings 8
- Nimzo-Indian Defense: Rubinstein System, Rubinstein Variation E42 1 ply deeper
- Nimzo-Indian Defense: Rubinstein System, Rubinstein Variation, Main Line E42 5 plies deeper
- Nimzo-Indian Defense: Rubinstein System, Rubinstein Variation, Sherbakov Attack E42 5 plies deeper
- Nimzo-Indian Defense: Sämisch Variation E29 6 plies deeper
- Nimzo-Indian Defense: Rubinstein System, Hübner Variation E41 6 plies deeper
- Nimzo-Indian Defense: Rubinstein System, Hübner Variation E41 8 plies deeper
- Nimzo-Indian Defense: Sämisch Variation, Capablanca Variation E29 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