Earlier quoted context omitted.
Having the same struggle as an adult learning piano. How do highly-skilled pianist come up with fingering? Are there any kind of rules? I think there are. But it may be so automatic that they don't actively think about them. On the other hand, if we have a large quantity of high-quality sheets with fingering labeled, we can train a transformer which is supposed to learn the implicit rules pretty well.
I have an undergrad degree in piano. The problem is that at higher levels it becomes more dependent on your own biology. Some of it is hand size, some of it is the layout of the tendons in your hands - some people get tendon click in ways that other people don't. Practicing includes the identification of the fingerings that can work for you. I don't think AI will ever get you all the way there. Sure, you can put in s…
For casual adult playing though, I'd never reach" high level" playing. All I want is to play easy songs I like (I'm sure there are plenty of people like me), for which I think an automatic algorithm is pretty likely to work.