I just googled it, it's an actual breed that looks like an exchequered leghorn, so it certainly could be one.
Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
I've not heard of the breed you mentioned, but I have Ancona and as chicks they look like that. It comes down to how much black to whites as far as Ancona or exchequered.
I just googled it, it's an actual breed that looks like an exchequered leghorn, so it certainly could be one.