English symmetrical variation (A34)
c4 c5 Nc3
c4 c5 Nc3
| English symmetrical variation (A34) Nf6 g3 | Nc6 English symmetrical variation (A35) |
| English symmetrical variation (A35) Nc6 | Nf6 Nf3 d5 cd Nd5 English symmetrical, three knights system (A34) |
| English symmetrical, three knights system (A34) Nf6 Nf3 d5 cd Nd5 | Nf6 g3 English symmetrical variation (A34) |