Code ECO E00 – Catalan Opening
Coups: 1. d4 Nf6 2. c4 e6 3. g3
├── E00 - 1. d4 Nf6 2. c4 e6 3. Bg5 - Indian Defense: Seirawan Attack (0) ├── E00 - 1. d4 Nf6 2. c4 e6 3. g3 - Catalan Opening (3) ├── E00 - 1. d4 Nf6 2. c4 e6 3. g3 e5 - Catalan Opening: Hungarian Gambit (0) ├── E00 - 1. d4 Nf6 2. c4 e6 3. g4 - Indian Defense: Devin Gambit (0) └── E00 - 1. d4 Nf6 2. c4 e6 3. Qb3 - Indian Defense (0)

