Excel: create checkerboard with alternating patterns

I'm creating a video game that uses an 8 by 8 grid. I need half of the 64 cells to be black and half white. I'm using conditional formatting to highlight the cells white or black. I've got a randomizer to randomly make the cells either black or white. But, I can't figure out a way so that - no matter the pattern - half are white and half are black. Can you help me devise a formula that will do this? Thanks in advance.

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This thread is current as of January 29, 2018.

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