Handicap Calculation for Dave Chandler for Week 19

Week of Rounds Used:		11	15	10	5	2		Total		Average		90%		Rounded to:
Gross Score:		47	47	54	53	54		255		51.00
Hdcp Score (over Par):		12	12	19	17	18		78		15.60		14.04		14

What does this mean? How are handicaps calculated?
Handicap Projection for Dave Chandler for Week 20

If your next round score is:		Your new Handicap will be:
39-44		12
45-49		13
50-55		14
56-61		15
62-66		16