Originally Posted by Sir Dent
Bad Idea: Trying to teach people Thac0.
As someone who grew up playing D&D and Advanced, I don't understand all the hatred and confusion surrounding THAC0. It's simple. Instead of of beginning at 1 and going up, you begin at 10 and go down. Plusses "Improve" your AC, so it takes it down. Not sure how it can be more simple than that. LOL