Everything you need to understand the game: BDO rules, 501 scoring, checkout combinations, and how darts formats differ between organisations.
AIA clear breakdown of 501 darts rules: how scoring works, what the double out rule means, how to read a checkout, and how legs and sets build into a match.
AIThe official BDO and WDF measurements for dartboard height and throwing distance: bullseye at 5 ft 8 in, oche at 7 ft 9¼ in, and why the diagonal check saves you the hassle of measuring twice.
AIHow a leg of darts works, what the BDO World Championship format actually looked like, and the measurements every player should know. The official rules, clearly explained.