Chess boxing an alternative to traditional roles. A chessboxing fight consists of 11 rounds, 6 rounds of chess and 5 rounds of boxing, and a victory in either chess or boxing wins and ends the entire contest. Chess and boxing rounds alternate, a full-distance contest begins and ends with a round of chess. Each round lasts three minutes, regardless of whether it involves chess or boxing. A single chess game is played over the six chess rounds. These total 18 minutes; each player is subject to a time control of 9 minutes with no increment to make all their moves (blitz chess).
The distance (boxing) for men. In the early days of bare-knuckle boxing, there was no limit on the number of rounds and so matches would be fought to a conclusion (i.e. with a knockout or tap out). For example, the match between Simon Byrne and James 'Deaf' Burke in 1833 lasted 3¼ hours. Subsequently, laws and rules were passed to prevent such protracted bouts. When John L. Sullivan made boxing under Queensbury rules with gloved hands popular, his matches were of a pre-determined length and the referee would decide the winner if they went the distance. If a match reached the prescribed limit