automatic team calculation according to juniorstrophy 2/2/2

[groegert]

team calculation for juniors trophy is:
The best 2 athletes in all around of each category (which is class) of an organization do form a team.
The results of this 6 athletes (because of 3 classes) have to be added.

It should be possible to calculate this result without specifying the athletes manually.
For know the best solution would be a special calculation key in team class.