What is a set of rules sometimes used in governing the sport of boxing?

The Marquess of Queensberry Rules, also known as Queensbury Rules, are a code of generally accepted rules in the sport of boxing. Drafted in London in 1865 and published in 1867, they were named so as the 9th Marquess of Queensberry publicly endorsed the code, although they were written by a Welsh sportsman named John Graham Chambers. The code of rules on which modern boxing is based, the Queensbury rules were the first to mandate the use of gloves in boxing.

Some of the applied rules of the code include no wrestling allowed, rounds of three minutes duration and one minute's time between rounds, and that a man on one knee is considered down and if struck is entitled to the stakes.

The Queensbury Rules eventually superseded the London Prize Ring Rules (revised in 1853), and are intended for use in both professional and amateur boxing matches, thus separating it from the less-popular American Fair Play Rules, which were strictly intended for amateur matches. In colloquial use the term Queensbury Rules is sometimes used to refer to a sense of sportsmanship and fair play.