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
1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 e5 ◀ Undo move

♞ You have reached English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3 A37 — the catalogued line ends exactly here.

Book continuations win% from 1.5M rated games

3810 catalogued lines in total · openings encyclopedia