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 d6 3. Nc3
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Matching openings 10
- Old Indian Defense: Czech Variation, with Nc3 A53 1 ply deeper
- Old Indian Defense: Janowski Variation A53 1 ply deeper
- Old Indian Defense: Ukrainian Variation A54 1 ply deeper
- Old Indian Defense: Janowski Variation, Fianchetto Variation A53 2 plies deeper
- Old Indian Defense: Janowski Variation, Grinberg Gambit A53 2 plies deeper
- Old Indian Defense: Janowski Variation, Main Line A53 2 plies deeper
- Old Indian Defense: Two Knights Variation A54 2 plies deeper
- Old Indian Defense: Duz-Khotimirsky Variation A54 4 plies deeper
- Old Indian Defense: Normal Variation A55 4 plies deeper
- King's Indian Defense: Orthodox Variation, Positional Defense E94 9 plies deeper
3810 catalogued lines in total · openings encyclopedia