Which of the following is NOT a common type of tournament structure?

• A. Round robin
• B. Single elimination
• C. Triple elimination
• D. Double round robin

Answer: (C)

A tournament structure refers to the format used to organize a competitive event, and typically, common types include round robin, single elimination, and double round robin.

Round robin involves each participant playing against every other participant, which allows for a comprehensive evaluation of skill since every competitor competes in multiple matches. This format is widely utilized in various sports and is favored for its fairness in determining the best overall player or team.

Single elimination is straightforward—once a participant loses a match, they are out of the tournament. This structure is efficient and quick, making it popular for time-sensitive events. It is easy to understand and follow, often resulting in clear winners through a decisive format.

Double round robin expands on the round robin format, where each participant competes against every other participant twice, once at home and once away. This method provides an even more thorough assessment of each competitor's abilities and can help mitigate the impact of any anomalous results from individual matches.

In contrast, "triple elimination" is not a recognized or common structure in competitive tournaments. While some variations like double elimination (where participants get a second chance after one loss) exist, there is no standard format that incorporates three chances before being eliminated. Thus, this makes "triple elimination