But it's impossible to play chess or golf at even the most leisurely level without improving at least a little, as you say with handicap. I'm sure an expert can

But it's impossible to play chess or golf at even the most leisurely level without improving at least a little, as you say with handicap. I'm sure an expert can tell the difference between an earnest hobbyist and someone who learnt the rules as a child but hasn't played since.