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. e4 e5 2. f4 d5 3. exd5 e4 4. d3 Nf6 5. dxe4 Nxe4
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Matching openings 5
- King's Gambit Declined: Falkbeer Countergambit, Charousek Gambit C32 1 ply deeper
- King's Gambit Declined: Falkbeer Countergambit, Charousek Gambit, Main Line C32 4 plies deeper
- King's Gambit Declined: Falkbeer Countergambit, Charousek Variation C32 5 plies deeper
- King's Gambit Declined: Falkbeer Countergambit, Tarrasch Variation C32 6 plies deeper
- King's Gambit Declined: Falkbeer Countergambit, Alapin Variation C32 7 plies deeper
3810 catalogued lines in total · openings encyclopedia