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 d5 2. c4 c6 3. Nf3 e6 4. Nc3
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Book continuations win% from 1.5M rated games
Matching openings 10
- Semi-Slav Defense: Noteboom Variation D31 1 ply deeper
- Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Gambit D31 2 plies deeper
- Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation D31 2 plies deeper
- Semi-Slav Defense: Noteboom Variation, Anti-Noteboom Variation, Belyavsky Line D31 3 plies deeper
- Semi-Slav Defense: Rubinstein System D45 4 plies deeper
- Queen's Gambit Declined: Semi-Slav, Abrahams Variation D31 7 plies deeper
- Queen's Gambit Declined: Semi-Slav, Junge Variation D31 7 plies deeper
- Queen's Gambit Declined: Semi-Slav, Koomen Variation D31 7 plies deeper
- Semi-Slav Defense: Normal Variation D45 8 plies deeper
- Semi-Slav Defense: Noteboom Variation, Abrahams Variation D31 9 plies deeper
3810 catalogued lines in total · openings encyclopedia