Openings
1,811 openings in the database
Browse the full opening catalog. Search by name or ECO code (e.g. “Najdorf” or “B90”), or filter by volume A–E. Click any opening to see its position on the board and the grandmaster videos played in that line.
Why do so many openings share the same code? (how ECO works)
Every chess opening is filed under one of just 500 ECO codes(A00–E99), grouped into five volumes:
- A — Flank openings (English 1.c4, 1.Nf3, irregular lines)
- B — Semi-open games except the French (Sicilian, Caro-Kann…)
- C — Open games 1.e4 e5 and the French 1.e4 e6
- D — Closed & semi-closed 1.d4 d5 (Queen’s Gambit, Grünfeld…)
- E — Indian defences (Nimzo-Indian, King’s Indian…)
A single code is a family: e.g. C50 covers the whole Italian Game / Giuoco Piano complex, so the Giuoco Piano, Giuoco Pianissimo, Hungarian Defense and Two Knights all live under C50. That’s why one code maps to many named variations — the code is the family, the name is the specific line. ChessEyes shows you both.
A00Polish Opening: Bugayev Advance Variation5 plyA00Polish Opening: Bugayev Attack3 plyA00Polish Opening: Czech Defense4 plyA00Polish Opening: Dutch Defense2 plyA00Polish Opening: German Defense4 plyA00Polish Opening: Grigorian Variation2 plyA00Polish Opening: Karniewski Variation2 plyA00Polish Opening: King's Indian Variation4 plyA00Polish Opening: Myers Variation5 plyA00Polish Opening: Outflank Variation2 plyA00Polish Opening: Queen's Indian Variation6 plyA00Polish Opening: Queenside Defense6 plyA00Polish Opening: Rooks Swap Line11 plyA00Polish Opening: Schiffler-Sokolsky Variation7 plyA00Polish Opening: Schuehler Gambit7 plyA00Polish Opening: Symmetrical Variation2 plyA00Polish Opening: Tartakower Gambit5 plyA00Polish Opening: Wolferts Gambit4 plyA00Saragossa Opening1 plyA00Sodium Attack1 plyA00Sodium Attack: Celadon Variation9 plyA00Sodium Attack: Chenoboskion Variation3 plyA00Sodium Attack: Durkin Gambit6 plyA00Valencia Opening3 plyA00Van Geet Opening1 plyA00Van Geet Opening: Battambang Variation3 plyA00Van Geet Opening: Billockus-Johansen Gambit4 plyA00Van Geet Opening: Damhaug Gambit4 plyA00Van Geet Opening: Dougherty Gambit5 plyA00Van Geet Opening: Dunst-Perrenet Gambit5 plyA00Van Geet Opening: Düsseldorf Gambit3 plyA00Van Geet Opening: Gladbacher Gambit7 plyA00Van Geet Opening: Hector Gambit5 plyA00Van Geet Opening: Hergert Gambit6 plyA00Van Geet Opening: Hulsemann Gambit6 plyA00Van Geet Opening: Jendrossek Gambit11 plyA00Van Geet Opening: Kluever Gambit5 plyA00Van Geet Opening: Laroche Gambit2 plyA00Van Geet Opening: Liebig Gambit6 plyA00Van Geet Opening: Melleby Gambit6 plyA00Van Geet Opening: Myers Attack3 plyA00Van Geet Opening: Napoleon Attack5 plyA00Van Geet Opening: Novosibirsk Variation7 plyA00Van Geet Opening: Nowokunski Gambit5 plyA00Van Geet Opening: Pfeiffer Gambit6 plyA00Van Geet Opening: Reversed Nimzowitsch2 plyA00Van Geet Opening: Reversed Scandinavian7 plyA00Van Geet Opening: Sicilian Two Knights7 plyA00Van Geet Opening: Sleipnir Gambit6 plyA00Van Geet Opening: Twyble Attack3 plyA00Van Geet Opening: Tübingen Gambit3 plyA00Van Geet Opening: Venezolana Variation5 plyA00Van Geet Opening: Warsteiner Gambit4 plyA00Van't Kruijs Opening1 plyA00Van't Kruijs Opening: Bouncing Bishop Variation5 plyA00Van't Kruijs Opening: Keoni-Hiva Gambit7 plyA00Ware Opening1 plyA00Ware Opening: Cologne Gambit6 plyA00Ware Opening: Crab Variation3 plyA00Ware Opening: Meadow Hay Trap3 ply