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. c4 c6 2. Nf3 d5 3. b3 Bf5 4. Bb2
◀ 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
No catalogued line continues from here — the book ends at this position. Undo a move or start a different order.
Matching openings 1
Only the line above reaches this exact move order.
3810 catalogued lines in total · openings encyclopedia