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Your Handicap Index follows the World Handicap System (WHS). It takes your best 8 score differentials from your last 20 rounds, averages them, and multiplies by 0.96.
Score Differential = (Gross Score − Course Rating) × 113 ÷ Slope Rating
A minimum of 3 rounds is needed to establish a handicap. The more rounds you log, the more accurate your index becomes.
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