Scrabble variants the winner. In others, a calculation based on word length is used to determine the winner. Some variants allow for the exchange of unwanted tiles. Local variants include Take One or Take Four; the banning of 2 letter words; having a dictionary on hand for any players to use (but since it is a game of speed, this doesn't get used much); a bonus of 50 points for building the word "chicken", a bonus for longest word (number of letters in word, not tile values; and only if a single player has longest word), etc. Team Speed Scrabble is when
Scrabble CH in the "Collins Scrabble Words" lexicon. In 1938, American architect Alfred Mosher Butts created the game as a variation on an earlier word game he invented called "Lexiko". The two games had the same set of letter tiles, whose distributions and point values Butts worked out by performing a frequency analysis of letters from various sources, including "The New York Times". The new game, which he called "Criss-Crosswords," added the 15×15 gameboard and the crossword-style game play. He manufactured a few sets himself, but was not successful in selling the game to any major game manufacturers of the day.