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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
Character
Key set-ups
9 families
ECO C60Article3.Bb5Tabiya: 9.h3235 linesRuy Lopez
- Open games
- Positional play
- Classical
Pressure that is in no hurry
Study opening- ECO D06Article2.c4Tabiya: 7…b6257 lines
Queen's Gambit
- Closed games
- Positional play
Offer a pawn, build a fortress
Study opening - ECO E203…Bb4Tabiya: 7…Nc699 lines
Nimzo-Indian Defense
- Semi-closed games
- Positional play
- Hypermodern
A pin instead of a centre
Study opening - ECO A101.c4Tabiya: 6…Nb6175 lines
English Opening
- Flank openings
- Fianchetto
- Positional play
- Hypermodern
A centre without central pawns
Study opening - ECO E123…b6Tabiya: 7…Ne473 lines
Queen's Indian Defense
- Semi-closed games
- Fianchetto
- Positional play
- Hypermodern
A bishop on b7 stares across the whole board
Study opening - ECO E003.g3Tabiya: 8…b532 lines
Catalan Opening
- Closed games
- Fianchetto
- Positional play
The queen's gambit with a bishop on g2
Study opening - ECO A001.g3Tabiya: 5…Be720 lines
Hungarian Opening
- Flank openings
- Fianchetto
- Positional play
- Hypermodern
The bishop on g2 before the plan
Study opening - ECO A041.Nf3Tabiya: 5…O-O47 lines
Zukertort Opening
- Flank openings
- Positional play
The move that promises nothing and keeps everything open
Study opening - ECO D055.b3Tabiya: 7…O-O6 lines
Rubinstein Opening
- Closed games
- Positional play
A Colle with the bishop rushing to b2
Study opening