6 week old chicks breed please?

[irishsilkie]

Can anyone tell me the breed of these chicks and gender if possible?

 

[Poultry parent]

still a little to tell their sex

 

[irishsilkie]

What breed?

 

[Poultry parent]

i think the black and white one is a polish, i'm not sure about the brown one

 

[RhodeRunner]

I see a black crested white polish, and a russian orloff (3rd picture). When it comes to the other two, I can't see enough in those pictures to determine anything.