The “Slope Rating System”, also known as the Slope System, is the “United States Golf Association Slope Rating & Handicapping System”. The USGA has authorised many countries worldwide to use it. Click for a Detailed Explanation   If the country you are in uses the Slope Rating System and you are a Registered Player: ensure the "Normally use the Slope system for score entry" box is checked enter your "Handicap Index" to one decimal place Then, when you enter a score, GoforGOLF will default to use the Slope Rating System format.   Otherwise: ensure the "Normally use the Slope system for score entry" box is not checked enter your "Handicap" without decimal places