Ever notice that the damage you do in some SFIV combos seems to vary a bit? Well, you were right. The damage you dish depends on a lot of things, including whether the move is used in a combo, and even how much life your opponent had when you unloaded.
This has been known in different forms to the SF wonks for years, but eventhubs has compiled the work of some SF scientists to give a great explanation of how it all works for everyone. Check it out here .