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. d4 d5 2. Bf4
◀ Undo move
♞ You have reached Queen's Pawn Game: Accelerated London System D00 — the catalogued line ends exactly here.
Book continuations
Matching openings 5
- Queen's Pawn Game: Accelerated London System, Steinitz Countergambit D00 1 ply deeper
- Queen's Pawn Game: Accelerated London System, Steinitz Countergambit Accepted D00 2 plies deeper
- Queen's Pawn Game: Accelerated London System, Steinitz Countergambit, Morris Countergambit D00 2 plies deeper
- Queen's Pawn Game: Accelerated London System, Steinitz Countergambit, Morris Countergambit Accepted D00 3 plies deeper
…and 1 more lines run through this position — keep making moves to narrow it down.
3810 catalogued lines in total · openings encyclopedia