Swiss Round Calculator

Enter participants to auto-generate Swiss-system tournament pairings and manage standings.

Category: Random & Generation

When to use?

Run a fair tournament (board games, card games, chess) where all participants play multiple rounds without elimination.

How to use

  • Enter player names, one per line.
  • Start the tournament — Round 1 pairings are auto-generated.
  • Select winners for each match and advance to the next round.

Usage Examples

  • Board game tournaments - Run a no-elimination event where everyone plays a set number of rounds.
  • Chess tournaments - Use Swiss pairing to match players of similar skill.

FAQ

How many rounds?

Typically ceil(log₂(N)) rounds: 3 for 8 players, 4 for 16.

Odd number of players?

One player receives a bye (automatic win) each round.

Tiebreaker?

Opponent Match Win % (OMW%) is used to break ties.

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