I wrote up a quick and dirty ELO ratings calculator in Common Lisp. It assumes a K value of 24, but that can be modified by rebinding the
Code available: here.
In other news, my development efforts have ground to a halt recently, as my father passed away just over a week ago. I'm taking some time to heal and mend, and we'll see where I'm at when I come back to this stuff. Thanks for understanding :)