sentences:  The World Masters is unusual in darts in that its sets are the best of 3 legs (first to 2) rather than the standard best of 5 legs (first to 3).It was previously the final leg of the BDO's Grand Slam title of televised majors, along with the Topic International Darts League, the Bavaria World Darts Trophy and the Lakeside World Professional Championship.However, it is now one of only three major BDO events and is considered to be the second biggest tournament after the World Championship.