From what I understand, general rating looks solely at attributes and how well they translate to the attributes needed for a position. Positional rating looks at their attributes and the positions they can play in.
For example, a good targetman would have some of the attributes that make a good cebtre back (heading, jumping, strength etc). Their positional rating may be 75% targetman and 40% centre back due to the positions they can play in (striker). But solely based on attributes they would have a rating of 75% targetman and say 65% centre back. If you trained him to play centre back his positional rating might increase to 72%.
Hope this helps and makes sense
For example, a good targetman would have some of the attributes that make a good cebtre back (heading, jumping, strength etc). Their positional rating may be 75% targetman and 40% centre back due to the positions they can play in (striker). But solely based on attributes they would have a rating of 75% targetman and say 65% centre back. If you trained him to play centre back his positional rating might increase to 72%.
Hope this helps and makes sense
