Adjusting the Slope and Rating for Unrated Tees

The two key factors in defining the difficulty of a given golf course are the slope and the rating. The slope is a calculation based primarily on the distance of a course, and the standard slope is 113. Courses with slopes above 113 are considered more difficult than the norm. The rating is the estimation of what a par or "scratch" golfer would shoot from a given set of tees on the course. There will be a different slope and rating for any given set of tees for women and men golfers.

Courses often have several sets of tees, and not all golf course are enlightened enough to have a slope and rating for women on any set of tees other than the forward most set. If you have played a course from a set of tees for which there is no women's rating, here's what you do.

First, calculate the difference in yardage between the set of tees you used and another set of tees on the course for which there is a women's rating. Once you have that total yardage difference, consult the table below to see what changes should be made to the slope and rating before entering your score.

Yards
Change in Course Rating
Change in Slope

Yards
Change in Course Rating
Change in Slope
0-8
0.0
0

621 - 638
3.5
7
9 - 26
0.1
0

639 - 656
3.6
8
27 - 44
0.2
0

657 - 674
3.7
8
45 - 62
0.3
1

675 - 692
3.8
8
63 - 80
0.4
1

693 - 710
3.9
8
81 - 98
0.5
1

711 - 728
4.0
8
99 - 116
0.6
1

729 - 746
4.1
9
117 - 134
0.7
1

747 - 764
4.2
9
135 - 152
0.8
2

765 - 782
4.3
9
153 - 170
0.9
2

783 - 800
4.4
9
171 - 188
1.0
2

801 - 818
4.5
10
189 - 206
1.1
2

819 - 836
4.6
10
207 - 224
1.2
2

837 - 854
4.7
10
225 - 242
1.3
3

855 - 872
4.8
10
243 - 260
1.4
3

873 - 890
4.9
10
261 - 278
1.5
3
 
891 - 908
5.0
11
279 - 296
1.6
3

909 - 926
5.1
11
297 - 314
1.7
4

927 - 944
5.2
11
315 - 332
1.8
4

945 - 962
5.3
11
333 - 350
1.9
4

963 - 980
5.4
11
351 - 368
2.0
4

981 - 998
5.5
12
369 - 386
2.1
4

999 - 1016
5.6
12
387 - 404
2.2
5

1017 - 1034
5.7
12
405 - 422
2.3
5

1035 - 1052
5.8
12
423 - 440
2.4
5

1053 - 1070
5.9
13
441 - 458
2.5
5
 
1071 - 1088
6.0
13
459 - 476
2.6
5

1089 - 1106
6.1
13
477 - 494
2.7
6

1107 - 1124
6.2
13
495 - 512
2.8
6

1125 - 1142
6.3
13
513 - 530
2.9
6

1143 - 1160
6.4
14
531 - 548
3.0
6

1161-1178
6.5
14
549 - 566
3.1
7

1179 - 1196
6.6
14
567 - 584
3.2
7

1197 - 1214
6.7
14
585 - 602
3.3
7

1215 - 1232
6.8
14
603 - 620
3.4
7
 
1233 - 1250
6.9
15