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From: "Timothy Rogers" <trogers@srv1.mech.ed.ac.uk>
Organization: Mechanical Engineering
To: britdisc@csv.warwick.ac.uk
Date: Thu, 2 Mar 2000 15:30:16 +0000
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Subject: Tour Format: Explaination of Swiss
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Sorry to go on about this but the Swiss system does not ignore
seeding. There was no suggestion that it did.
Here's a possible format (without more short games):
* During the weekend each team plays 7 games.
* It is assumed that all teams are seeded.
* There are no pools.
As with all Swiss systems:
* Every time a team wins a game they get a point.
* You always play a team with the same number of points
Just for simplicities sake, assume that there are 32 teams.
At start of tourny: Each team in the top 16 receives a point.
Round 1:
1v15 , 2v16 , 3v13, 4v14, 5v11 ...
17v31, 18v32, 19v30 ...
Simple way of seeing seedings for next round is that if you win you
maintain your seeding.
Round 2:
2 point teams: 1v7, 2v8, 3v5, 4v6
1 point teams: 9v24, 10v23, 11v22, ...
0 point teams: 25v31, 26v32, 27v30, ...
After this round there are 16 teams with 2 or more points. Split the
tourny in two groups. There can be no crossover now between bottom
and top 16.
Round 3:
3 point teams: 1v3, 2v4
2 point teams: 5v15, 6v16 7v13, 8v14 ...
1 point teams: 17v27, 18v28, 19v25, 20v26 ...
0 point teams: 29v31, 30v32
Round 3 really allows more seeding changes, and provides games
between teams of the same standard. At this stage all points are
abandoned, teams just keep their seed.
Now top 16 play knockout, and bottom 16 play knockout.
In this system you cannot lose a top 16 position unless you lose to a
bottom 16 side in the second round. in the first round the bottom 16
teams are basically fighting for the right to play a top 16 side.
Top 16 teams are fighting for the right to avoid playing a bottom 16
side.
The standard of play is not comprimised either: A top 4 side will if
they keep their seed, play 3 games against top 4 sides, 2 games
against top 8 sides and 2 games against top 16 sides. Similarly, a
top 8 side will if they keep seed, play 3 games against top 16
sides, 2 games against top 4 sides and 2 games against top 8
sides.
Seedings are also equally as changeable as in pool play.
Any team entering the competition can win the tournament.
Incidently, it still works if there are not 32 teams, you still give
the top 16 a point, and teams still have to play for the right to
play a top 16 team.
Tim
Ro-Sham-Bo