Note: in AM, use 'checkered'
1.
If a person or organization has had a chequered career or history, they have had a varied past with both good and bad periods.
He had a chequered political career spanning nearly forty years...
Alan had led a very chequered past and had been to prison lots of times.
ADJ: usu ADJ n
2.
Something that is chequered has a pattern with squares of two or more different colours.
...red chequered tablecloths.
= checked
ADJ: ADJ n