Only one person had/got a 'perfect score' on the test. [=only one person answered all the questions correctly]
If you're 'keeping score' at home, this is the third time that he has run for mayor and lost.
The 'score' was tied at 1–1 [=each team had scored one run] after the second inning.
(..) already. If not Moriarty, then who? Why don't you talk to Sherlock, if you're so concerned about him? Oh, God, don't tell me. Too much history between us, John. Old scores, resentments. Nicked all his Smurfs? Broke his Action Man? Finished. We both know what's coming, John. (..)2012 TvShow: Sherlock Title: The Reichenbach Fall Season: 2 Episode 3