Code ECO A20 – English Opening

Coups: 1. c4 e5 2. g3 h5

├── A20 - 1. c4 e5 2. e3 Nf6 3. f4 exf4 4. Nf3 - English Opening: King's English Variation, Kahiko-Hula Gambit (0)
├── A20 - 1. c4 e5 2. g3 Be7 3. - English Opening: King's English Variation (1)
├── A20 - 1. c4 e5 2. g3 c6 3. - English Opening: King's English Variation (2)
├── A20 - 1. c4 e5 2. g3 d5 3. - English Opening: King's English Variation (4)
└── A20 - 1. c4 e5 2. g3 Nc6 3. - English Opening: King's English Variation (2)