League round robin

[MAGMA]

I organise a sports league of variable team numbers (sometimes odd, sometimes even). We have 1 court available over multiple timeslots, but I need the timeslots to be as evenly distributed as possible. Everyone needs to play each other once, and then it can repeat if necessary. 

I have tried using the algorithm, but I cannot make things even. 

[Ian Wakeling]

I don't know of any software that will solve this general problem.  Can you give a typical example of the number of players, and number of time slots, and I might be able to offer some help about coming up with schedules.