Openings
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Codex of Opening Systems
All 126 opening families in one catalogue: search by name, move or player, and filter by the kind of position.
Key set-ups
23 families
ECO A001.Nh3Tabiya: 5.O-O3 linesAmar Opening
- Flank openings
- Offbeat
A knight on the rim, and a joke that costs a pawn
Study opening- ECO A001.a3Tabiya: 2.c42 lines
Anderssen's Opening
- Flank openings
- Offbeat
A move that does nothing, with a name attached
Study opening - ECO A001.f3Tabiya: 2…Nf66 lines
Barnes Opening
- Flank openings
- Offbeat
The most awkward first move there is
Study opening - ECO A001.h3Tabiya: 3.Nf32 lines
Clemenz Opening
- Flank openings
- Offbeat
A move with little to say for itself
Study opening - ECO A002.a3Tabiya: 3.c41 lines
Global Opening
- Flank openings
- Offbeat
Two rim-pawn moves and not a piece in sight
Study opening - ECO A001.g4Tabiya: 3…c620 lines
Grob Opening
- Flank openings
- Sharp play
- Offbeat
The move that gets no forgiveness
Study opening - ECO A001.h4Tabiya: 3.d49 lines
Kádas Opening
- Flank openings
- Offbeat
A rook-pawn first move and a hope of surprise
Study opening - ECO A001.d3Tabiya: 7…Nc64 lines
Mieses Opening
- Flank openings
- Set-up systems
- Offbeat
One quiet move instead of a claim on the centre
Study opening - ECO A001.b4Tabiya: 3.Bxe527 lines
Polish Opening
- Flank openings
- Fianchetto
- Offbeat
The Orangutan strolls down the queenside
Study opening - ECO A001.c3Tabiya: 4.e31 lines
Saragossa Opening
- Flank openings
- Offbeat
A quiet pawn that waits for d4
Study opening - ECO A001.Na3Tabiya: 3.e44 lines
Sodium Attack
- Flank openings
- Offbeat
A chemist's joke on the edge of the board
Study opening - ECO A002.Nd2Tabiya: 6…O-O1 lines
Valencia Opening
- Flank openings
- Offbeat
A quiet d3 and a knight on d2
Study opening - ECO A001.Nc3Tabiya: 4.Ng333 lines
Van Geet Opening
- Flank openings
- Offbeat
Knight on the left: White starts from the wing
Study opening - ECO A001.e3Tabiya: 4.Nf35 lines
Van't Kruijs Opening
- Flank openings
- Offbeat
A quiet move that can become anything
Study opening - ECO A001.a4Tabiya: 3…Nc67 lines
Ware Opening
- Flank openings
- Offbeat
A first move from the edge of the board
Study opening - ECO A152.b4Tabiya: 2.b42 lines
English Orangutan
- Flank openings
- Offbeat
An English that hurries to the wing
Study opening - ECO A452.b3Tabiya: 4…c51 lines
Basque Opening
- Semi-closed games
- Offbeat
A bishop on b2 with its own d4 pawn in the way
Study opening - ECO A452.f4Tabiya: 4…c51 lines
Canard Opening
- Semi-closed games
- Offbeat
The f4 pawn against the f6 knight: a Dutch-style set-up with White
Study opening - ECO A452.f3Tabiya: 5.Nxf31 lines
Paleface Attack
- Semi-closed games
- Offbeat
A pawn that takes a square from its own knight
Study opening - ECO C202.Ke2Tabiya: 3…d51 lines
Bongcloud Attack
- Open games
- Offbeat
The king goes for a walk on move two
Study opening - ECO C202.b3Tabiya: 4…Nf63 lines
King's Pawn Opening
- Open games
- Offbeat
A long-diagonal bishop that finds e5 well guarded
Study opening - ECO C202.Bb5Tabiya: 4.Nc33 lines
Portuguese Opening
- Open games
- Offbeat
A Ruy Lopez with the knight left at home
Study opening - ECO D002.Qd3Tabiya: 3…c52 lines
Amazon Attack
- Closed games
- Offbeat
The queen out early, the bishop shut in
Study opening