From Longman Dictionary of Contemporary Englishrate somebody’s chances (of doing something)rate somebody’s chances (of doing something)British English spoken if you do not rate someone’s chances of achieving something, you do not think that it is likely that they will achieve it I don’t rate your chances of getting a ticket for the Leeds game. How do you rate your chances (=do you think you will be successful?) tomorrow? → rate
Examples from the Corpus
rate somebody’s chances (of doing something)• How high do you rate my chances?• But officials will not rate the survival chances above 50 percent until a month after birth.• The doctors rated his chances as virtually nil.• I didn't really rate his chances of living that long.• But few analysts rate the chances of Washington's prefered successors very highly. 