Support the combination of Golf (golf tournament)

A secretary of the golf competition want to know "a past opponents list".
A past opponents list is the list, whom they played together and how many times they played together.
* List of opponent and number of times
* List of past attendance number of times
* List of combination

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If there is a set of just a beginner, there must be much time,
and trobules and annoying occur.

In the company's golf competition, there are cases where the great people are divided and arranged.

We will combine to make the great people a separate pair in advance.

If you get lost in various combinations, how about arranging them randomly?
If you do a combination with a lottery sense, my personal opinion does not enter and members may be convinced.

Beginners are worried about going around the course. It is safe to have veteran people in the pair. You can tell it on the spot right now, and the technology will improve faster as well. It also helps smooth progress. As an secretary, this is an item I would like to keep in mind.

That is, I turn around with people who are not turning as much as possible.There seems to be a demand for a traditional golfing competition for large numbers of people.Do you not want to know past attendance data, who and how many times did you play together?As the number of large people, the number of times increases, it is hard work by hand.

The secretary is convenient when placing it in the last group.
Women are convenient when they want to put in early groups due to change of clothes

There are various people in the competition where a lot of people participate. There are things that are called bad friends by all means. In that case, let's use this pattern 7.
After placing the corresponding person, others can (1) choose a uniform score, (2) order from top to bottom, and (2) random placement.

In the historic golf competition, is there anything you would like to place another person who played together recently?
It is quite difficult to think of combinations that put the people who fought in the past five times in different groups. There are about 2.5 billion combinations of 20 participants (4 people × 5 pairs). Also, in the case of 24 people, it will be 4.5 trillion ways. I think that it is impossible to do this manually.
Even if you use a computer you can not produce results unless you devise one method. Please use this pattern 8 by all means.