Sentence:  Rosburg had started early in the day , and by the time Palmer and Player were on the course - <WSD>separated</WSD> , as they were destined to be for the rest of the weekend , by about half an hour - they could see on the numerous scoreboards spotted around the course that Rosburg , who ended with a 73 , was not having a good day . 
Meaning of the word marked with <WSD> tags:  make a division or separation