The World Snooker Championship is professional snooker's longest-running, most prestigious, and wealthiest tournament, with total prize money in 2021 of £2,395,000, including £500,000 for the winner. First held in 1927, it is now one of the three tournaments (together with the UK Championship and the invitational Masters) that make up snooker's Triple Crown Series. The reigning world champion is Mark Selby.