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. Nf3 Nc6 3. Bb5 f5 4. Nc3 ◀ Undo move

♞ You have reached Ruy Lopez: Schliemann Defense, Dyckhoff Variation C63 — the catalogued line ends exactly here.

Book continuations

fxe4 4

Matching openings 5

Ruy Lopez: Schliemann Defense, Kostić Defense C63 3 plies deeper
Ruy Lopez: Schliemann Defense, Tartakower Variation C63 3 plies deeper
Ruy Lopez: Schliemann Defense, Classical Variation C63 7 plies deeper
Ruy Lopez: Schliemann Defense, Möhring Variation C63 7 plies deeper

…and 1 more lines run through this position — keep making moves to narrow it down.

3810 catalogued lines in total · openings encyclopedia