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Tournament Tree Generator

Tool/Generator to make trees of elimination/knockout tournaments from a list and taking into account any available seeds of the first rounds of the tournament.

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Tournament Tree Generator -

Tag(s) : Algorithm, Combinatorics

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Tournament Tree Generator

Tournament Tree Generator


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Answers to Questions (FAQ)

What is a single elimination tournament? (Definition)

A knockout tournament is a competition eliminating any competitor/team that loses a match. The winner is then the team/competitor who does not lose any matches.

How to organize a single elimination tournament?

Make a list of all participants, if necessary taking into account a prior ranking of players / teams (for a tournament with seed) otherwise a random sort will be done.

Ideally, the number of teams is a number equal to a power of $ 2 $ such as $ 4, 8, 16, 32, 64, 128, 256 $, if not, some match will not have 2 opponents (Teams / players will then automatically qualify in the next round).

Click Generate to get the tournament games' tree.

What are tournament seeds?

In a tournament, to increase the show and the suspense, the first rounds are not completely random. To prevent 2 favorites/contenders face each over in the first rounds and be quickly eliminated, the seeds (the best players from a previous ranking or tournament) are slightly helped and can not meet immediately, they must first beat other players (theoretically less well ranked) before reaching the final stages.

Example: Grand Slam tennis matches (Roland Garros, Wimbledon, etc.) use seeds

How many total games has a tournament?

For a knockout tournament competition with $ N $ teams then there is a total of $ N-1 $ matches.

Indeed, every game, a team is eliminated, so in the end only one team will never lose, so there will have been $ N-1 $ games.

Example: In a 32-team tournament, there are 31 matches (sometimes 32 when a game is played for 3rd place)

Source code

dCode retains ownership of the "Tournament Tree Generator" source code. Except explicit open source licence (indicated Creative Commons / free), the "Tournament Tree Generator" algorithm, the applet or snippet (converter, solver, encryption / decryption, encoding / decoding, ciphering / deciphering, breaker, translator), or the "Tournament Tree Generator" functions (calculate, convert, solve, decrypt / encrypt, decipher / cipher, decode / encode, translate) written in any informatic language (Python, Java, PHP, C#, Javascript, Matlab, etc.) and all data download, script, or API access for "Tournament Tree Generator" are not public, same for offline use on PC, mobile, tablet, iPhone or Android app!
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The copy-paste of the page "Tournament Tree Generator" or any of its results, is allowed (even for commercial purposes) as long as you credit dCode!
Exporting results as a .csv or .txt file is free by clicking on the export icon
Cite as source (bibliography):
Tournament Tree Generator on dCode.fr [online website], retrieved on 2024-06-14, https://www.dcode.fr/tournament-tree-generator

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Questions / Comments

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