Round Robin Tournament Scheduling

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Title: Table Tennis Round Robin Tournament - Help!
Post by: ollitrop on December 23, 2007, 04:22:54 AM

I am trying to get a Round Robin schedule and Scoresheet for a Table Tennis Tournament we are doing at work.

I know Round Robin lets each player play eachother, which is exactly what we want.

We only have one table tennis table and 40 players.

Title: Re: Table Tennis Round Robin Tournament - Help!
Post by: wbport on December 28, 2007, 02:08:57 PM

With only one table, you might be better off with a knockout or double elimination event.  However to create round robin event:

• Assign everyone (at random) a pairing number.
• Subtract everyone's pairing number from 41 to get their first opponent.
• Except for 40 (the "ghost" player), add 1 to each person's previous round opponent to get their next round player. After meeting 39, their next opponent is 1.  When they get to their own number, they play 40; then meet the player numbered directly above them.
• Player 40 meets whoever is free.  Would meet 1, 21, 2, 22, 3 ... 19, 39, 20 in that order.

Note you will have 20 games in each round.