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. Nf3 d5 4. Nc3 Be7 5. Bg5 h6
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Matching openings 4
- Queen's Gambit Declined: Neo-Orthodox Variation, Main Line D55 3 plies deeper
- Queen's Gambit Declined: Tartakower Defense D58 4 plies deeper
- Queen's Gambit Declined: Lasker Defense, Teichmann Variation D56 7 plies deeper
- Queen's Gambit Declined: Anti-Tartakower Variation, Petrosian Variation D55 11 plies deeper
3810 catalogued lines in total · openings encyclopedia