All subsections
Openings
- Chess Atlas Subsections
- VOL. I • Chess HistoryFrom Chaturanga to Neural Engines
- VOL. II • Classic ChessPieces, Notation & Rules
- VOL. III • Legendary PlayersPantheon of Chess Immortals
- VOL. IV • Great GamesInteractive game studies
- VOL. V • OpeningsOriginal CAISSORA Opening Articles
- VOL. VI • Tactics & StrategyForks, Pins & Board Geometry
Chess Atlas Codex
Codex of Opening Systems
All 126 opening families in one catalogue: search by name, move or player, and filter by the kind of position.
126families
Key set-ups
56 families
ECO A472…b6Tabiya: 3…e62 linesPseudo Queen's Indian Defense
- Semi-closed games
- Fianchetto
- Hypermodern
A Queen's Indian with the moves swapped
Study opening- ECO A482…g6Tabiya: 5…d61 lines
East Indian Defense
- Semi-closed games
- Fianchetto
- Hypermodern
The King's Indian, minus the c4 for now
Study opening - ECO A502…Nc6Tabiya: 4…Bb42 lines
Mexican Defense
- Semi-closed games
- Offbeat
A knight on c6 where a pawn usually goes
Study opening - ECO A502…b6Tabiya: 4…e61 lines
Queen's Indian Accelerated
- Semi-closed games
- Fianchetto
- Hypermodern
The bishop's diagonal first, the e6 pawn later
Study opening - ECO A502…c6Tabiya: 3…d52 lines
Slav Indian
- Semi-closed games
- Solid
Slav or Indian: Black has not decided yet
Study opening - ECO A563…Ne4Tabiya: 5…Nd61 lines
Vulture Defense
- Semi-closed games
- Offbeat
The knight bolts ahead while everyone else is still at home
Study opening