Point system

For every finished race we will assign these points: 

1 50
2 40
3 32
4 26
5 22
6 20
7 18
8 16
9 14
10 12
11 10
12 8
13 6
14 4
15 2

If races are splitted in two manches the points will be: 

1 25
2 20
3 16
4 13
5 11
6 10
7 9
8 8
9 7
10 6
11 5
12 4
13 3
14 2
15 1