How to pronounce “checker”(verb) in English

I have a checkered past.

He had a very checkered life.

And he had a pretty checkered past.

the governor's race, despite her checkered past, at a small company down the road.

paneling on the den wall after the blood poured from my nose on the white and red checkered tablecloth in the family

She has a larger than life personality, a glorious presence, a checkered background.

She wore a pretty purple dress that my mother had just sent her, white socks, and pink-and-white-checkered sneakers.