Is this way of sexing polish day old chicks reliable?

[Nenad]

http://www.swpoultry.com/CindySite/Sexing_Polish.html

I have one buff laced polish chick that looks like female by this link.

 

[CaliFarmsAR]

The link won’t work for me…

 

[The Moonshiner]

No it isn't.
It may give you better then the 50/50 random guess odds but from experience it's not been very accurate for me.

 

[Painted Calls]

No it isn't.
It may give you better then the 50/50 random guess odds but from experience it's not been very accurate for me.

Bingo.