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. Nf3 Nf6 3. c4 c6 4. Nc3 dxc4
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♞ You have reached Slav Defense: Two Knights Attack D15 — the catalogued line ends exactly here.
Book continuations win% from 1.5M rated games
Matching openings 21
- Slav Defense: Alekhine Variation D15 1 ply deeper
- Slav Defense: Geller Gambit D15 1 ply deeper
- Slav Defense: Alapin Variation D16 1 ply deeper
- Slav Defense: Smyslov Variation D16 2 plies deeper
- Slav Defense: Soultanbeieff Variation D16 2 plies deeper
- Slav Defense: Steiner Variation D16 2 plies deeper
- Slav Defense: Czech Variation D17 2 plies deeper
- Slav Defense: Geller Gambit D15 3 plies deeper
- Slav Defense: Czech Variation, Bled Attack D17 3 plies deeper
- Slav Defense: Czech Variation, Krause Attack D17 3 plies deeper
- Slav Defense: Czech Variation, Classical System D18 3 plies deeper
- Slav Defense: Czech Variation, Wiesbaden Variation D17 4 plies deeper
…and 9 more lines run through this position — keep making moves to narrow it down.
3810 catalogued lines in total · openings encyclopedia