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Round Robin Pairing Tournament

Tool to simplify the planning of pairs tournaments: automatic generator of fair match schedules for a championship (also called Americano).

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Round Robin Pairing Tournament -

Tag(s) : Algorithm, Combinatorics

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Round Robin Pairing Tournament

Round Robin Pairing Tourmanent Generator

From the number of participants (from 1 to N)


From participants' list

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Other Tournament Formats

Answers to Questions (FAQ)

What is a round robin pairing tournament? (Definition)

A pairs championship is a competition format where participants are grouped into teams of two. The teams compete in a championship where everyone meets everyone, but the partners change each day so that all players have played against and with each of the other players.

This type of championship is sometimes called Americano.

How to generate the rounds list?

Indicate in the table the list of participants or competitors in the championship (such as players, people, etc.), placing them one per box. Then, press the Generate button to initiate the random generation of the calendar by days/rounds (represented by #) of the championship.

Each element of the table will be associated with all the others and will meet each other participant.

Example: For a pairs championship with 4 players (P1, P2, P3, P4), a possible draw could be as follows:
Round 1: (P1 & P3) against (P2 & P4)
Round 2: (P1 & P4) against (P2 & P3)
Round 3: (P2 & P1) against (P4 & P3)

Note that the number of participants must necessarily be a multiple of 4 (i.e. 4, 8, 12, 16, 20, 24, 28, 32 players), otherwise some participants may not have a teammate or opponent.

Why are some games empty?

In a pairs championship, empty matches, designated by ??? occur when the number of players is not divisible by 4.

This means that some players may take a break during a round, as there are not enough partners or opponents available for everyone.

How are pairs championships used in individual sports?

Paired competitions (tournaments/championships) can be adapted for individual sports such as tennis, badminton, padel, squash, etc.

In addition, this format serves as a basis for organizing card tournaments like Bridge.

Source code

dCode retains ownership of the "Round Robin Pairing Tournament" source code. Except explicit open source licence (indicated Creative Commons / free), the "Round Robin Pairing Tournament" algorithm, the applet or snippet (converter, solver, encryption / decryption, encoding / decoding, ciphering / deciphering, breaker, translator), or the "Round Robin Pairing Tournament" 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 "Round Robin Pairing Tournament" are not public, same for offline use on PC, mobile, tablet, iPhone or Android app!
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Cite as source (bibliography):
Round Robin Pairing Tournament on dCode.fr [online website], retrieved on 2024-06-16, https://www.dcode.fr/round-robin-pairing-tournament

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Questions / Comments

Feedback and suggestions are welcome so that dCode offers the best 'Round Robin Pairing Tournament' tool for free! Thank you!


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