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 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 ◀ Undo move

♞ You have reached Grünfeld Defense: Three Knights Variation, Burille Variation D94 — the catalogued line ends exactly here.

Book continuations

O-O 5

Matching openings 6

Grünfeld Defense: Makogonov Variation D94 2 plies deeper
Grünfeld Defense: Opocensky Variation D94 2 plies deeper
Grünfeld Defense: Three Knights Variation, Paris Variation D94 2 plies deeper
Grünfeld Defense: Three Knights Variation, Vienna Variation D95 2 plies deeper
Grünfeld Defense: Botvinnik Variation D95 3 plies deeper

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

3810 catalogued lines in total · openings encyclopedia