Handicap Calculation for Ben Valcour for Week 19

Week of Rounds Used:		15	13	12	11	10		Total		Average		90%		Rounded to:
Gross Score:		50	63	44	46	53		256		51.20
Hdcp Score (over Par):		13	23	9	11	17		73		14.60		13.14		13

What does this mean? How are handicaps calculated?
Handicap Projection for Ben Valcour for Week 20

If your next round score is:		Your new Handicap will be:
38-42		11
43-48		12
49-53		13
54-59		14
60-65		15