1. Handicap Setup for this League is as follows... | |||||||||||||||

Handicap Regulars: 80 Subs: 80 | |||||||||||||||

Number of scores handicap based on: 20 | |||||||||||||||

Minimum number of scores needed before a handicap can be calculated: 2 | |||||||||||||||

# of Scores | Discard | Discard | |||||||||||||

Available | Highest | Lowest | |||||||||||||

2 | 1 | 0 | |||||||||||||

3 | 1 | 0 | |||||||||||||

4 | 1 | 0 | 1. PlayerX has 23 prior scores. For his handicap calculation, only the latest 20 are used. Out of those 20, the 5 highest scores are discarded, plus the lowest. The handicap is then calculated on the remaining 14 scores. | ||||||||||||

5 | 2 | 0 | |||||||||||||

6 | 2 | 0 | |||||||||||||

7 | 3 | 0 | |||||||||||||

8 | 3 | 0 | |||||||||||||

9 | 4 | 0 | |||||||||||||

10 | 4 | 0 | |||||||||||||

11 | 4 | 0 | |||||||||||||

12 | 4 | 0 | |||||||||||||

13 | 5 | 0 | |||||||||||||

14 | 5 | 0 | |||||||||||||

15 | 5 | 0 | |||||||||||||

16 | 5 | 1 | |||||||||||||

17 | 5 | 1 | |||||||||||||

18 | 5 | 1 | |||||||||||||

19 | 5 | 1 | |||||||||||||

20 | 5 | 1 | <<PlayerX has 23 scores prior to event #10 | ||||||||||||

so the underlined parameters are used to determine | |||||||||||||||

which scores to use for handicapping. | |||||||||||||||

2. The differentials for these scores are calculated... | |||||||||||||||

Adjusted | Course | Course | |||||||||||||

Date | Event # | Grs Scr | Course Played | Tee | Rating | Slope | Differential | Used | |||||||

06/11/18 | Evt #9 | 46 | Deer Run | G | 35.4 | 124 | 9.7 | Used | |||||||

05/21/18 | Evt #7 | 43 | Deer Run | G | 35.4 | 124 | 6.9 | Used | These are PlayerX's 23 scores. Scores with no date are the stored scores from prior years data (we have not figured out how to transfer the dates to a current year) and are shown as 'Practice Score'. The adjusted gross score is used as the data point. Each course has a rating (Deer Run = 35.4 ; Cardinal = 33.8) and a slope (DR = 124 ; C = 117) which is used to calculate the Differential value. The differential value is calculated by: | ||||||

04/23/18 | Evt #3 | 41 | Cardinal | G | 33.8 | 117 | 7 | Used | |||||||

Practice Score | 50 | 35.4 | 124 | 13.3 | |||||||||||

Practice Score | 46 | 35.4 | 124 | 9.7 | Used | ||||||||||

Practice Score | 44 | 35.4 | 124 | 7.8 | Used | ||||||||||

Practice Score | 41 | 33.8 | 117 | 7 | Used | ||||||||||

Practice Score | 43 | 33.8 | 117 | 8.9 | Used | ||||||||||

Practice Score | 41 | 33.8 | 117 | 7 | Used | ||||||||||

Practice Score | 47 | 35.4 | 124 | 10.6 | |||||||||||

Practice Score | 46 | 35.4 | 124 | 9.7 | Used | ||||||||||

Practice Score | 44 | 35.4 | 124 | 7.8 | Used | ||||||||||

Practice Score | 38 | 33.8 | 117 | 4.1 | Dif = (Adjusted Gross - Rating) * (113 / Slope) | ||||||||||

Practice Score | 42 | 33.8 | 117 | 7.9 | Used | Example using 6/11/18 | |||||||||

Practice Score | 48 | 35.4 | 124 | 11.5 | Dif = (46 - 35.4) * (113 / 124) = 9.7 | ||||||||||

Practice Score | 41 | 33.8 | 117 | 7 | Used | ||||||||||

Practice Score | 45 | 34.6 | 121 | 9.7 | Used | Note that the highest differentials (13.3,10.6,11.5,11.6,11.6) and lowest (4.1) are thrown out as are the scores #21,22 & 23 | |||||||||

Practice Score | 52 | 38 | 136 | 11.6 | |||||||||||

Practice Score | 52 | 38 | 136 | 11.6 | |||||||||||

Practice Score | 50 | 38 | 136 | 10 | Used | ||||||||||

Practice Score | 51 | 38 | 136 | 10.8 | |||||||||||

Practice Score | 48 | 34.6 | 121 | 12.5 | |||||||||||

Practice Score | 46 | 34.6 | 121 | 10.6 | |||||||||||

Only the last 20 scores are considered for handicapping. | |||||||||||||||

The equation for calculating a differential is ... | |||||||||||||||

Diff = (Adjusted Gross Score - Rating) x (113 / Slope) | |||||||||||||||

3. Use the differentials to calculate a handicap. | |||||||||||||||

Out of the 20 available calculated differentials the | See the explanations shown: | ||||||||||||||

5 highest and 1 lowest differentials are discarded (not used). | |||||||||||||||

Differentials 'used' are added together... | |||||||||||||||

9.7+6.9+7.0+9.7+7.8+7.0+8.9+7.0+9.7+7.8+7.9..etc.. = 116.1 | |||||||||||||||

Then divide by the total number used. | |||||||||||||||

Pre-Handicap = 116.1 / 14 | Pre-Handicap = 8.293 | ||||||||||||||

PlayerX is a regular player, so according to the | |||||||||||||||

handicap setup the Handicap Percent is 80 | |||||||||||||||

Handicap = 8.293 x 80 | Handicap = 6.63 (Digits after hundredth place are deleted) | Note the calculation is for Deer Run. If PlayerX was playing on Cardinal, the handicap would be : | |||||||||||||

Convert the handicap to a 'course' handicap using the slope of the course being played. (Deer Run) | |||||||||||||||

Handicap = Handicap x (Slope / 113) | |||||||||||||||

Handicap = 6.63 x (124 / 113) | HCP = 6.63 *(117 / 113) = 6.86 | ||||||||||||||

Handicap = 7.28 | |||||||||||||||

Due to our rounding to whole number, PlayerX on both courses would be a 7. | |||||||||||||||

Final Handicap = 7.28 |