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.

♜♞♝♛♚♝♞♜♟♟♟♟♟♟♟♟♟♟♞♟♟♟♟♟♟♜♞♝♛♚♝♜a8b7c6d5e4f3g2h1
⚖ Grouping by position Grouping by position: lines that reach this position by a different move order are included too.
1. Nf3 d5 2. c4 c6 3. b3 ◀ Undo move

♞ You have reached Réti Opening: Anglo-Slav Variation, Bogoljubow Variation A12 — the catalogued line ends exactly here.

Book continuations win% from 1.5M rated games

Matching openings 4

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

3810 catalogued lines in total · openings encyclopedia