How the weird scoring system in tennis gives underdogs a boost

New Scientist
Anyone for tennis?

Wilfredo Lee/AP/REX/Shutterstock

By Michael Le Page

The weird scoring system used in tennis makes the game more exciting by boosting the chances of the underdog winning, a mathematical analysis shows.

“The result is not unexpected,” says Chris Hope of the University in Cambridge. “But as far as I know no one has quantified it.”

In most sports, what matters is the total number of goals, runs or points. But in tennis – where players compete for games and sets – some points are more equal than others.

In fact, a 2014 study found that in 5 per cent …

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