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. By default move orders are strict — flip the toggle to group by position and pull in transpositions.

⚖ Grouping by position Grouping by position: lines that reach this position by a different move order are included too.

1. Nh3 d5 2. g3 e5 3. f4 Bxh3 4. Bxh3 exf4 ◀ Undo move

Book continuations win% from 1.5M rated games

O-O 2

Matching openings 2

Hungarian Opening: Paris Gambit A00 1 ply deeper
Amar Opening: Paris Gambit, Gent Gambit A00 3 plies deeper

3810 catalogued lines in total · openings encyclopedia