From: Ross Dickson <rdickson <at> ACHILLES <dot> NET>
Date: 2 oct 1997
Subject: Round robins

Is there a simple process for setting up a round robin for an even (say 20)
number of players so everyone plays everyone else once.

Obviously it's possible; by trial and error I can set up a matrix for a
smaller number of players (8) but the trial part seems to grow quite
rapidly as the number increases.

I'm hoping there is a "mechanical" way of doing it.

Incidentally, this is part of a larger problem I'm working on of having a
round robin tournament of doubles teams (you're right, they're not Shogi
players) in which each player plays with each other player against each
other player twice. If any one has any insight into this larger problem I
would also be interested in hearing from you.

Thanks
Ross