The term round-robin is derived from the French term ruban ('ribbon'). Over time, the term became idiomized to robin.
In a single round-robin schedule, each participant plays every other participant once. If each … See more

Advantages
The champion in a round-robin tournament is the contestant that wins the most games, except when draws are possible.
In theory, a round … See more

• Group tournament ranking system, including details of tie-breaking systems
• Combinatorial design, a balanced tournament design of order n (a BTD(n))
• Tournament (graph theory), mathematical model of a round-robin tournament See more

In sports with a large number of competitive matches per season, double round-robins are common. Most association football leagues … See more

If $${\displaystyle n}$$ is the number of competitors, a pure round robin tournament requires $${\displaystyle {\begin{matrix}{\frac {n}{2}}\end{matrix}}(n-1)}$$ games. If $${\displaystyle n}$$ is even, then in each of $${\displaystyle (n-1)}$$ See more