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. Nf3 g6 3. g3 ◀ Undo move

♞ You have reached Indian Defense: Przepiorka Variation A49 — the catalogued line ends exactly here.

Book continuations

Bg7 3

Matching openings 4

Neo-Grünfeld Defense: Classical Variation D77 6 plies deeper
Neo-Grünfeld Defense: Classical Variation, Modern Defense D77 7 plies deeper
Neo-Grünfeld Defense: Classical Variation, Polgar Variation D77 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