English Opening: Symmetrical Variation, Three Knights Variation

├── A34 - 1. c4 c5 2. Nf3 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. g3 Nc6 6. Bg2 Nc7 - English Opening: Symmetrical Variation, Rubinstein Variation (3)
├── A34 - 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4.... - English Opening (2)
└── A34 - 1. Nf3 Nf6 2. c4 c5 3. Nc3 e6 - English Opening: Symmetrical Variation, Three Knights Variation (1)
    ├── A34 - 1. c4 c5 2. Nf3 Nf6 3. Nc3 e6 4. d4 cxd4 - English Opening: Symmetrical Variation, Three Knights Variation (1)
    ├── A34 - 1. c4 c5 2. Nf3 Nf6 3. Nc3 e6 4. e3 a6 - English Opening: Symmetrical Variation, Three Knights Variation (1)
    └── A34 - 1. c4 Nf6 2. Nc3 c5 3. Nf3 e6 4. g3 b6 - English Opening: Symmetrical Variation, Three Knights Variation (1)