In World Handicap System the Handicap Index is calculated as the average value of the lowest 8 of the most recent 20 Score Differentials in the player’s scoring record.
If a scoring record contains fewer than 20 scores, the calculation is different. The table below determines the number of Score Differentials to be averaged in the calculation and applied adjustment.
In both cases above the result of the calculation is rounded to the nearest tenth.
The complete, universal stroke play scorecard
with calculation of Score Differential for Handicap purposes.
update: September 2022