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 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3
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♞ You have reached Queen's Gambit Declined: Modern Variation, Knight Defense D51 — the catalogued line ends exactly here.
Matching openings 6
- Queen's Gambit Declined: Manhattan Variation D51 1 ply deeper
- Queen's Gambit Declined: Modern Variation, Knight Defense D51 1 ply deeper
- Queen's Gambit Declined: Capablanca Variation, Anti-Cambridge Springs Variation D51 2 plies deeper
- Queen's Gambit Declined: Cambridge Springs Defense, Capablanca Variation D52 4 plies deeper
- Queen's Gambit Declined: Cambridge Springs Defense, Argentine Variation D52 8 plies deeper
…and 1 more lines run through this position — keep making moves to narrow it down.
3810 catalogued lines in total · openings encyclopedia