Snooker plus is a cue sport based on snooker

Snooker

Snooker is a cue sport that is played on a green baize-covered table with pockets in each of the four corners and in the middle of each of the long side cushions. A regular table is . It is played using a cue and snooker balls: one white , 15 worth one point each, and six balls of different :...

. The variant was created by Joe Davis

Joe Davis

Joe Davis, OBE was a British professional player of snooker and English billiards....

, who added an orange ball (8 points) and a purple ball (10 points) to the set. The idea was that this would increase the maximum break from 147 to 210, and so help to attract a greater audience. At the end of the frame after the six normal colours were potted in their usual order, then they were followed by orange and purple. If the frame ends in a tie, then the purple was respotted on the black spot. The new format was introduced to the public on 26 October 1959 at the Burroughes Hall, London

London

London is the capital city of :England and the :United Kingdom, the largest metropolitan area in the United Kingdom, and the largest urban zone in the European Union by most measures. Located on the River Thames, London has been a major settlement for two millennia, its history going back to its...

 during the News of the World Championship

News of the World Championship

The News of the World Championship was the premium snooker tournament of the 1950s and widely considered as being more important than the world championship due to the involvement of Joe Davis.-History:...

. The variation failed to catch on, and the extra necessary to play the game are not available from any major supplier.