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World Handicap System 2020:
Handicap Index Calculation
The basic Handicap Index calculation is the average of the best 8 out of the last 20 Score Differentials.
Player's last 20 SDs
Oldest SD
Handicap Index is average = 172.5 / 8 = 21.6
Player adds new SD of 19.3
Sort to get the best 8 SDs
Oldest SD is lost
Re-sort to get the best 8 SDs
Handicap Index is average = 170.7 / 8 = 21.3
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