Quote:

....and a win would earn you at least 7 points.


I believe a win would earn you at least 8 points.
1-0 -- 8 points
2-1 -- 8 points
2-0 -- 9 points
3-1 -- 9 points
3-0 -- 10 points
etc

I can't think of any way to get 7 points under this points system.