Nothingness:
I said nothing to indicate otherwise.
I said it's a standard formula to adjust ratings.
The existing system already takes into account wins, losses, draws and provisional ratings.
To alter the existing formula to adjust ratings differently for draws would be arbitrary and without foundation.
On the left, one can click on "Ratings" under "Statistics" to find the following:
BKR means "BrainKing Rating" and is calculated by US Chess Federation formula(*) for each kind of a game separately according to your game results.