MioKontic: I'm pretty sure you will come up short fairly often if you use 0.7 on Tournament 12 greens
The multiplier to use (in this case, 0.7) depends on the length of the putt. For a short-ish putt (say, 7 feet), 0.7 might not be enough. For a longer putt (say, 40 feet), 0.7 would probably be too much.