2009 Feb 2, 11:52"Chessboxing: Created in 2003 by Dutch artist Iepe Rubingh, chess boxing has 11 rounds of alternated boxing and chess. In first round, which lasts four minutes, contestants initiate the chess match.
A two-minute boxing round follows. Rounds alternate until one of the players gets a checkmate or a knockout."
humor art chess boxing sport via:boingboing video youtube