A56Benoni Defence
1.d4 Nf6 2.c4 c5
A56Benoni Defence
Hromodka System
1.d4 Nf6 2.c4 c5 3.d5 d6
A56Vulture Defence
1.d4 Nf6 2.c4 c5 3.d5 Ne4
A56Benoni Defence
Czech Benoni Defence
1.d4 Nf6 2.c4 c5 3.d5 e5
A56Benoni Defence
Czech Benoni Defence, King's Indian System
1.d4 Nf6 2.c4 c5 3.d5 e5 4.Nc3 d6 5.e4 g6