Handicap System: USGA

Player Name: Dustin Johnson

9 Hole Handicap

Step 1. Calculate Differential For Last 20 Rounds: ((Gross Score - Course Rating) x 113 / Slope Rating) * 1.00

Date	Course	Calculation	Differential
Mar 14, 2015	Torrey Pines - Blue - Front	((42 - 37.5) * 113 / 135) * 1.00	3.76
Mar 07, 2015	Torrey Pines - Blue - Back	((39 - 37.8) * 113 / 139) * 1.00	0.97
Feb 27, 2015	Torrey Pines - Blue - Front	((45 - 37.5) * 113 / 135) * 1.00	6.27
Feb 20, 2015	Torrey Pines - Blue - Back	((48 - 37.8) * 113 / 139) * 1.00	8.29
Feb 13, 2015	Torrey Pines - Blue - Front	((37 - 37.5) * 113 / 135) * 1.00	-0.41
Feb 06, 2015	Torrey Pines - Blue - Back	((47 - 37.8) * 113 / 139) * 1.00	7.47
Jan 25, 2015	Torrey Pines - Blue - Front	((49 - 37.5) * 113 / 135) * 1.00	9.62
Jan 23, 2015	Torrey Pines - Blue - Front	((48 - 37.5) * 113 / 135) * 1.00	8.78
Jan 17, 2015	Torrey Pines - Blue - Back	((43 - 37.8) * 113 / 139) * 1.00	4.22
Jan 02, 2015	Torrey Pines - Blue - Back	((38 - 37.8) * 113 / 139) * 1.00	0.16
Aug 09, 2014	Torrey Pines - Blue - Front	((44 - 37.5) * 113 / 135) * 1.00	5.44
Jul 25, 2014	Torrey Pines - Blue - Front	((48 - 37.5) * 113 / 135) * 1.00	8.78
Jul 17, 2014	Torrey Pines - Blue - Front	((46 - 37.5) * 113 / 135) * 1.00	7.11
Jul 11, 2014	Torrey Pines - Blue - Back	((47 - 37.8) * 113 / 139) * 1.00	7.47
Jun 27, 2014	Torrey Pines - Blue - Front	((46 - 37.5) * 113 / 135) * 1.00	7.11
Jun 07, 2014	Torrey Pines - Blue - Front	((43 - 37.5) * 113 / 135) * 1.00	4.6
May 23, 2014	Torrey Pines - Blue - Back	((46 - 37.8) * 113 / 139) * 1.00	6.66
May 17, 2014	Torrey Pines - Blue - Front	((39 - 37.5) * 113 / 135) * 1.00	1.25
May 09, 2014	Torrey Pines - Blue - Back	((44 - 37.8) * 113 / 139) * 1.00	5.04
Apr 25, 2014	Torrey Pines - Blue - Front	((44 - 37.5) * 113 / 135) * 1.00	5.44

Step 2. Get The Average Of Your Lowest 10 Differentials From Your Last 20 Rounds Played.

-0.41 + 0.16 + 0.97 + 1.25 + 3.76 + 4.22 + 4.6 + 5.04 + 5.44 + 5.44 = 30.47
9 Hole Handicap: 30.47 / 10 = 3.05N