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. Move orders, not transpositions — exactly the paths over the board. Prefer the family trees? Every opening page has one.
1. e4 e6 2. d4 d5 3. Nc3
◀ Undo move
♞ You have reached French Defense: Paulsen Variation C10 — the catalogued line ends exactly here.
Matching openings 117
- French Defense: Hecht-Reefschläger Variation C10 1 ply deeper
- French Defense: Marshall Gambit C10 1 ply deeper
- French Defense: Rubinstein Variation C10 1 ply deeper
- French Defense: Classical Variation C11 1 ply deeper
- French Defense: Winawer Variation C15 1 ply deeper
- French Defense: Classical Variation C11 2 plies deeper
- French Defense: Classical Variation, Delayed Exchange Variation C11 2 plies deeper
- French Defense: Classical Variation, Steinitz Variation C11 2 plies deeper
- French Defense: Classical Variation, Swiss Variation C11 2 plies deeper
- French Defense: Henneberger Variation C11 2 plies deeper
- French Defense: Winawer Variation, Alekhine-Maróczy Gambit C15 2 plies deeper
- French Defense: Winawer Variation, Delayed Exchange Variation C15 2 plies deeper
…and 105 more lines run through this position — keep making moves to narrow it down.
3810 catalogued lines in total · openings encyclopedia