When you configured the Fleets on the Scoring System Fleets tab, did you remember to change the race scoring system for High Point fleet and the rating system for Personal Handicap fleets? You need to edit the fleet overrides:
High Points - uncheck ‘Inherit’ box and select the appropriate High points scoring system
Huw and Peter, thank you for your input. I am happy to report I have multiple scoring (Low Point, CHIPS, NHC) setup and working. This is very cool. The good sailors of the Triangle Model Yacht Club are very interested in the results.