Scrabble have been sold worldwide and roughly one-third of American and half of British homes have a Scrabble set. There are around 4,000 Scrabble clubs around the world. The game is played by two to four players on a square board with a 15×15 grid of cells (individually known as "squares"), each of which accommodates a single letter tile. In official club and tournament games, play is between two players or, occasionally, between two teams each of which collaborates on a single rack. The board is marked with "premium" squares, which multiply the number of points awarded: eight dark red "triple-word"
National Scrabble Association on July 1, 2013. Activities of the association included: National Scrabble Association The National Scrabble Association (NSA) was created in 1978 by Selchow & Righter, then the makers of Scrabble, to promote their game. It coordinated local clubs and Scrabble tournaments in North America, including the National Scrabble Championship, until 2009. The last director was John D. Williams, who is co-author of the book "Everything Scrabble". In July 2009, the coordination of tournaments and competitive clubs was transferred to a new organization, North American Scrabble Players Association (NASPA). The NSA continued to publish "Scrabble News" and run programs such as