<p>And my other score is pretty low (20), did I lose the chance of getting accepted?</p>
<p>Possibly. According to the Pitt web site: University</a> of Pittsburgh: Undergraduate Admissions & Financial Aid
Please arrange for all your official test results to be forwarded directly to Pitt from the testing agency.
Note the operative word all. You did not do that. They could just toss your app for not complying. Certainly a 20 won't help you.</p>