OBS or Nuthin?

[Dakota]

Originally Posted by bd41flpk

...I advised him that if he at least made an attempt to move out of the way that there would not have been an OBS. ...

Your ruling sounds correct, but this part of your explanation is wrong.

The intent of the defender or what the defender was trying to do (other than fielding a batted ball) is irrelevant. If the defender impedes the runner who is legally running the bases, that is obstruction.