How Many Matches Are Played in a 12-Team Round-Robin Tournament?

Learn how to calculate the total number of matches in a 12-team round-robin tournament using the simple formula N(N-1)/2.

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If there are 12 teams playing in a simple round-robin tournament, each team plays against every other team once. This means 66 matches will be played in total. To calculate this, you use the formula N(N-1)/2, where N is the number of teams, so 12(12-1)/2 = 66.

FAQs & Answers

  1. What is the formula to calculate matches in a round-robin tournament? The formula to calculate the total matches in a round-robin tournament is N(N-1)/2, where N is the number of teams.
  2. How many matches will be played if there are 10 teams in a round-robin format? Using the formula N(N-1)/2, for 10 teams, the total matches are 10(10-1)/2 = 45 matches.
  3. Why does each team only play every other team once in a simple round-robin? In a simple round-robin, each team plays every other team exactly once to ensure fairness and equal opportunity without repetition.

Watch More

For more insights on organizing tournaments and understanding different competition formats, check out our videos on double-elimination tournaments and scheduling matches for sports leagues.

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