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. Nf3 c5
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Matching openings 5
- Queen's Gambit Declined: Semi-Tarrasch Defense, Pillsbury Variation D40 1 ply deeper
- Queen's Gambit Declined: Semi-Tarrasch Defense D40 6 plies deeper
- Queen's Gambit Declined: Semi-Tarrasch Defense, Symmetrical Variation D40 6 plies deeper
- Queen's Gambit Declined: Semi-Tarrasch Defense, Levenfish Variation D40 11 plies deeper
- Queen's Gambit Declined: Semi-Tarrasch Defense, Kmoch Variation D41 13 plies deeper
3810 catalogued lines in total · openings encyclopedia