Backgammon according to the normal movement rules. The first player to bear off all fifteen of his/her own checkers wins the game. If the opponent has not yet borne off any checkers when the game ends, the winner scores a "gammon", which counts for double stakes. If the opponent has not yet borne off any checkers and has some on the bar or in the winner's home board, the winner scores a "backgammon", which counts for triple stakes. To speed up match play and to provide an added dimension for strategy, a doubling cube is usually used. The doubling cube is
World Series of Backgammon in the world including Gus Hansen who bought into the Round of 16 for US$30,000. In May 2010, World Series of Backgammon ended its agreement with Dicearena and launched its own online backgammon and poker platform, PlayWSOB.com licensing technology from Melita Gaming Network, who also supply to TrueMoneygames and several other poker brands. In April 2010 WSOB launched its own online TV channel using the Vimeo video platform showing full length shows from its archive of match-play television coverage. In October 2011 World Series of Backgammon announced a partnership with the largest online gaming operator in the world, Bwin.com, for