English symmetrical variation (A30)
c4 c5
c4 c5
| English symmetrical variation (A34) Nc3 | Nc3 English symmetrical variation (A34) |
| English symmetrical, Benoni formation (A31) Nf3 Nf6 d4 | Nf3 Nf6 d4 English symmetrical, Benoni formation (A31) |
| English symmetrical, hedgehog system (A30) Nf3 Nf6 g3 b6 Bg2 Bb7 o-o e6 Nc3 Be7 | Nf3 Nf6 g3 b6 Bg2 Bb7 o-o e6 Nc3 Be7 English symmetrical, hedgehog system (A30) |