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.
1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. a4 Bb4
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Book continuations win% from 1.5M rated games
Matching openings 2
- Queen's Gambit Declined: Semi-Slav, Abrahams Variation D31 4 plies deeper
- Semi-Slav Defense: Noteboom Variation, Abrahams Variation D31 6 plies deeper
3810 catalogued lines in total · openings encyclopedia