Reading down only Gramps seems to be against the principle of the “fractional” system, all the other reservations seems to be on the number of points on offer.
The easy way to increase the point-spread of the "fractional" system is by multiplying the results with a fixed number based on the game size. This can be just an easy formula like (1+ gamesize/20) or we could make a fixed table.
Or we could just go totally non-mathematical and make a table for different gamesizes. A little work to set up, but very easy for Slynky to use later
