Chessboxing:

The Chessboxing is an sport which combines boxing and chess. This sport was invented by Enki Bilal, a cartoonist and Iepe Rubing brought it to reality. The sport consists o 11 rounds that combine chess and boxing: 6 rounds of chess and 5 rounds of boxing. Each round of chess during 4 minutes and each round o boxing during 3 minutes. There is one minute of break between rounds. The competitor win the game if he achieves a checkmate, or if his opponent exceedes the time limit in chess round, if there is a retirement of an opponent, if there is a K.O in the boxing round. If the chess game ends in a stalement, the opponent with the higher score in boxing wins. If there is a tie score, the player win the black pieces.
The First World Chessboxing Championship was in Amsterdam in 2003, where Iepe Rubingh became the world champion and the First European Chessboxing Tournament was in Berlin in October 2005 where Tihomir Titschko won.
In 2009, in the Light Heavyweight World Championship Leo Granit Kraft won, in the Heavyweight World Championship Gianluca Sirci won and in the Middleweight World Championship Konrad Rikardson won.
The countries most interested in this sport are Germany, England, Holand, Belgium and Russia.