World Series of Boxing Like professional boxing, each bout is decided by the scores of three judges or, in some cases, by a knockout, technical knockout or walk-over. A WSB meet between two international franchises consists of bouts in ten (formerly five) weight categories. There are five three-minute rounds in each bout and the team that wins the most number of bouts wins the meet. Until season 4, there were five weight categories which were different than 10 categories in amateur (Olympic) boxing or 17 categories in professional boxing. These were Heavyweight (91+ kg), Light heavyweight (80–85 kg), Middleweight (68–73 kg), Lightweight (57–61 kg)
Boxing at the 2008 Summer Olympics – Middleweight Boxing at the 2008 Summer Olympics – Middleweight The middleweight competition was the fourth-highest weight class featured in amateur boxing at the 2008 Summer Olympics, and was held at the Workers Indoor Arena. Middleweights were limited to a maximum of 75 kilograms in body mass. Like all Olympic boxing events, the competition was a straight single-elimination tournament. Both semifinal losers are awarded bronze medals, so no boxers compete again after their first loss. Bouts consist of four rounds of two minutes each, with one-minute breaks between rounds. Punches are scored only if the white area on the front of the