Based on the TV Show, Countdown, this competition will feature letters and numbers rounds. Each match-up will run as seen in the show over 15 rounds.
5 round swiss, followed by a final and 3rd place play-off (players selected by wins, then points scored), using the Bristol System where the same letters/numbers are used across each match-up in a round. Apterous dictionary to be used. This is based on the ODO which is currently used in the show.
The countdown server is apterous.org – which allows trial users to play