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.
1. e4 e5 2. d4 exd4
◀ Undo move
♞ You have reached Center Game Accepted C21 — the catalogued line ends exactly here.
Book continuations win% from 1.5M rated games
Matching openings 26
- Center Game C21 1 ply deeper
- Center Game: Halasz-McDonnell Gambit C21 1 ply deeper
- Center Game: Kieseritzky Variation C21 1 ply deeper
- Center Game: Ross Gambit C21 1 ply deeper
- Center Game: von der Lasa Gambit C21 1 ply deeper
- Danish Gambit C21 1 ply deeper
- Center Game: Kieseritzky Variation C21 2 plies deeper
- Danish Gambit Accepted C21 2 plies deeper
- Danish Gambit Accepted: Svenonius Defense C21 2 plies deeper
- Danish Gambit Declined: Sörensen Defense C21 2 plies deeper
- Center Game: Normal Variation C22 2 plies deeper
- Center Game: Kieseritzky Variation C21 3 plies deeper
…and 14 more lines run through this position — keep making moves to narrow it down.
3810 catalogued lines in total · openings encyclopedia