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. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 ◀ Undo move

Book continuations win% from 1.5M rated games

e3 6 48% · 1k

Matching openings 6

London System A48 1 ply deeper
London System A48 2 plies deeper
London System, with Bd3 A48 3 plies deeper
London System, with Be2 A48 3 plies deeper
London System, with Be2 A48 4 plies deeper
London System, with Be2 A48 5 plies deeper

3810 catalogued lines in total · openings encyclopedia