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 e6 2. e4 d5 3. Nc3 Bb4 4. Ne2
◀ Undo move
♞ You have reached French Defense: Winawer Variation, Alekhine-Maróczy Gambit C15 — the catalogued line ends exactly here.
Matching openings 5
- French Defense: McCutcheon Variation, Wolf Gambit C15 2 plies deeper
- French Defense: Winawer Variation, Alekhine Gambit Accepted C15 3 plies deeper
- French Defense: Winawer Variation, Alekhine Gambit, Kan Variation C15 5 plies deeper
- French Defense: Winawer Variation, Alekhine Gambit, Alatortsev Variation C15 9 plies deeper
…and 1 more lines run through this position — keep making moves to narrow it down.
3810 catalogued lines in total · openings encyclopedia