DRIVE CAMNITZ FROM BOX AND HIT WILLIS, HIS SUCCESSOR, HARD To Schmidt Belongs Much of the Credit for the Victory, for Twice, With Two Men Out and Men on Bases, He Comes Through With Safeties, Driving In Four Runs. DONOVAN HAS THEM GUESSING AFTER THE OPENING INNING Pirates Start Out Well, But After the First Are Able to Get But One Man Past Second--Result Makes Detroit's Chances Look Rosy, With Next Two Games at Home.