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).
Boxing fight completes all of its allocated rounds, the victor is determined by judges' scorecards at the end of the contest. In the event that both fighters gain equal scores from the judges, professional bouts are considered a draw. In Olympic boxing, because a winner must be declared, judges award the content to one fighter on technical criteria. While humans have fought in hand-to-hand combat since the dawn of human history, the earliest evidence of fist-fighting sporting contests date back to the ancient Middle East in the 3rd and 2nd millennia BCE. The earliest evidence of boxing rules date back to