English Opening: Symmetrical Variation, Ultra-Symmetrical Variation

Coups: 1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6

├── A36 - 1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. e3 - English Opening: Symmetrical Variation, Ultra-Symmetrical Variation (2)
│   ├── A36 - 1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. e3 e6 - English Opening: Symmetrical Variation, Ultra-Symmetrical Variation (2)
│   └── A36 - 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 e5 - English Opening: Symmetrical Variation, Botvinnik System Reversed, with e3 (0)
├── A36 - 1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. Rb1 - English Opening: Symmetrical Variation, Ultra-Symmetrical Variation (1)
└── A36 - 1. c4 c5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. d3 - English Opening: Symmetrical Variation, Ultra-Symmetrical Variation (5)