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Outing Handicap Calculation:
 
Course:Indian Hills Golf & C.C.
Course Slope:124
Par:70
Rated Par:68.5
Outing Index20.3

Step 1:

Multiply Outing Index times Course Slope divided by 113:

20.3 * 124 / 113 = 22.3

Step 2(*):

Subtract difference between Course Par and Rated Par from result in Step 1:

70 - 68.5 = 1.5
22.3 - ( 1.5 ) = 20.8

Rounded Result is Course Handicap: 21

(*) Step 2 was introduced in January 2020, part of the new WHS (World Handicap System).