Scrabble of points for each lettered tile is based on the letter's frequency in standard English; commonly used letters such as vowels are worth one point, while less common letters score higher, with Q and Z each worth 10 points. The game also has two blank tiles that are unmarked and carry no point value. The blank tiles can be used as substitutes for any letter; once laid on the board, however, the choice is fixed. Other language sets use different letter set distributions with different point values. Tiles are usually made of wood or plastic and are square and thick,
Scrabble variants receive points for their own words, and at the end, when there are no more consonants or no more vowels, the player with the most points wins the game. This form of Scrabble can often result in many players participating simultaneously; the official record for participation in France, where Duplicate Scrabble is the preferred form of the game, is 1485 at the 1998 tournament in Vichy. It is also the predominant format used in the French World Scrabble Championships. So called because in it the blank tiles are recycled. If a blank tile is played to represent a particular letter,