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
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Matching openings 27
- Queen's Gambit Declined: Harrwitz Attack D37 1 ply deeper
- Queen's Gambit Declined: Miles Variation D37 3 plies deeper
- Queen's Gambit Declined: Modern Variation, Normal Line D55 3 plies deeper
- Queen's Gambit Declined: Harrwitz Attack, Two Knights Defense D37 4 plies deeper
- Queen's Gambit Declined: Neo-Orthodox Variation D55 4 plies deeper
- Queen's Gambit Declined: Orthodox Defense D60 4 plies deeper
- Queen's Gambit Declined: Anti-Tartakower Variation D55 5 plies deeper
- Queen's Gambit Declined: Neo-Orthodox Variation, Main Line D55 5 plies deeper
- Queen's Gambit Declined: Orthodox Defense, Botvinnik Variation D60 5 plies deeper
- Queen's Gambit Declined: Orthodox Defense, Main Line D63 5 plies deeper
- Queen's Gambit Declined: Harrwitz Attack, Main Line D37 6 plies deeper
- Queen's Gambit Declined: Tartakower Defense D58 6 plies deeper
…and 15 more lines run through this position — keep making moves to narrow it down.
3810 catalogued lines in total · openings encyclopedia