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. Nc3 Nf6 4. e3
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Book continuations win% from 1.5M rated games
Matching openings 30
- Semi-Slav Defense: Main Line D45 2 plies deeper
- Semi-Slav Defense: Accelerated Meran Variation D45 3 plies deeper
- Semi-Slav Defense: Normal Variation D45 3 plies deeper
- Semi-Slav Defense: Stoltz Variation D45 4 plies deeper
- Semi-Slav Defense: Main Line D46 4 plies deeper
- Semi-Slav Defense: Bogoljubow Variation D46 5 plies deeper
- Semi-Slav Defense: Chigorin Defense D46 5 plies deeper
- Semi-Slav Defense: Romih Variation D46 5 plies deeper
- Semi-Slav Defense: Stoltz Variation D45 6 plies deeper
- Semi-Slav Defense: Chigorin Defense D46 6 plies deeper
- Semi-Slav Defense: Semi-Meran Variation D47 6 plies deeper
- Semi-Slav Defense: Stoltz Variation D45 7 plies deeper
…and 18 more lines run through this position — keep making moves to narrow it down.
3810 catalogued lines in total · openings encyclopedia