Benoni defence (A56)
d4 Nf6 c4 c5
d4 Nf6 c4 c5
| Benk\"o gambit (A57) d5 b5 | d5 Ne4 Vulture defence (A56) |
| Benoni defence (A60) d5 e6 | d5 b5 Benk\"o gambit (A57) |
| Benoni defence Hromodka system (A56) d5 d6 | d5 d6 Benoni defence Hromodka system (A56) |
| Czech Benoni defence (A56) d5 e5 | d5 e5 Czech Benoni defence (A56) |
| Vulture defence (A56) d5 Ne4 | d5 e6 Benoni defence (A60) |