A13 - 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 - English Opening: Neo-Catalan


English Opening: Neo-Catalan (A13)
Coups: 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2
├── A13 - 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Bd6 - English Opening: Agincourt Defense, Bogoljubow Defense (2)
├── A13 - 1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. Bg2 dxc4 - English Opening: Agincourt Defense, Catalan Defense Accepted (4)
└── A13 - 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 d4 - English Opening: Neo-Catalan (6)