Your definition of a "good" golfer? If you consider only ~15% of golfers carry a handicap, and of those the average is about a 14, then my take is anyone with <13 is good. So my list would be: <6 = really good, 6 -13 = good, 14 - 24 = ok, 25 - 30 = bad or crappy, >32 terrible.
