How it works
- Type the players, one per line. A rating after the name –
Anna 1850– is optional. - Choose how many rounds and press Start. The first round is paired: with ratings, the top half of the field plays the bottom half; without them, the pairs are drawn at random.
- Click the result of each game: 1 : 0, ½ : ½ or 0 : 1.
- When every result is in, press Pair round 2. Players with the same score meet, as near as the numbers allow, and nobody meets the same opponent twice.
- After the last round, the table says who won.
Why Swiss?
A knockout sends half the players home after one game. A round robin takes forever: 16 players need 15 rounds. The Swiss system gives everybody the same number of games, a real winner after only four or five rounds, and in every round an opponent of about their strength.
- 8 players: 3 rounds find one clear winner.
- 16 players: 4 rounds.
- 32 players: 5 rounds – the page suggests the number for your field.
Byes and colours
With an odd number of players, somebody sits out each round: the lowest-ranked player who has not had a bye yet. A bye is usually worth a win – set it to ½ or 0 if your club does it differently.
For chess, Chess: balance white and black gives white to whoever has had it less often, and to whoever had black the round before. Without it the page simply pairs, for any game with two sides.
The tie-breaks
- Buchholz – the sum of your opponents’ points: the same score against stronger opposition counts for more.
- SB (Sonneborn-Berger) – the points of the players you beat, plus half the points of those you drew with.
- Then the rating, if there is one.
Take it with you
The table and every round comes out of the page in whatever shape you need: Excel (.xlsx), CSV for Google Sheets, Copy as text for a message, Copy as table to paste into a spreadsheet, and Print / PDF.
Everything happens in your browser and stays on this device: close the page and it is still there tomorrow.