I thought you might be interested in looking at Intuitive Rules - 2nd Ed. AD&D vs. D&D 3E/3.5.
https://forums.obsidian.net/topic/39400-intuitive-rules-2nd-ed-add-vs-dd-3e35/?do=findComment&comment=530605
× Pasted as rich text. Paste as plain text instead
Only 75 emoji are allowed.
× Your link has been automatically embedded. Display as a link instead
× Your previous content has been restored. Clear editor
× You cannot paste images directly. Upload or insert images from URL.