So ... after posting Roll-a-Style 9: 26D. Belgian Dark Strong Ale, I decided to look a little closer at the 2021 BJCP Style Guidelines.
First, I had never known exactly how many individual beer styles were listed in the guidelines, so I counted.
If I counted correctly, there are 108 styles, and I've brewed 79 of them (actually, as I type this, I have not brewed the Belgian Dark Strong Ale, but once I brew it I will have completed 79).
I've mentioned that there are some styles I'm not really interested in brewing, and so I left those styles off my Roll-a-Style list. Most of these are sour beer styles, but as it turns out, a couple were ones I just didn't look closely at and thus didn't really understand.