Tile tracking or 'consonant-heavy', how many S's or blanks are unseen, if an opponent is likely to have a bingo on their rack, or which tiles to play or conserve. For example, if Alice has the option of playing J(I)NN or J(I)LL, and four N's and zero L's remain unseen, then assuming both plays are otherwise equal (in terms of score, openings for the opponent), J(I)NN is likely the better play. Letter frequency lists for both Scrabble and Words with Friends are easily accessible (some versions of Scrabble have the tile distribution directly on the board) and, unlike word lists, using them
Scrabble six and nine games are played each day. There are also clubs in the UK and many other countries. There are a number of internationally rated SOWPODS tournaments. During off hours at tournaments, many players socialize by playing consultation (team) "Scrabble", Clabbers, Anagrams, Boggle, Words with Friends, Scramble with Friends and other games. Maven is a computer opponent for the game, created by Brian Sheppard. The official "Scrabble" computer game in North America uses a version of Maven as its artificial intelligence and is published by Atari. Outside North America, the official "Scrabble" computer game is published by Ubisoft. Quackle