To have a good chance or high probability of doing or accomplishing something. Primarily heard in UK. If the team maintains this level of success, they'll be in with a chance of winning the championship. I think Margaret is in with a chance of getting a promotion.

Having a good chance or high probability of doing or accomplishing something. Primarily heard in UK. Since most of the other candidates have been ruled out, I think Margaret is in with a chance of getting the promotion. If we can score one more time without letting up any points, I think we'll be in with a chance!