I'm impressed and I wish I had your knowledge.
Originally Posted by B. Louise
If there are not tricky accidentals, 3 sharps go to 4 flats-- A flat; 4 sharps to 3 flats--E flat, 2 sharps to 5 flats--D flat. If you have other questions, you can pm me. Playing in sharps fits the hands differently than flats, but gets more comfortable with practice.