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,
Duplicate Scrabble in Tours, France where 274 people participated. Due to the nature of duplicate, there is almost no limit to the number of players who can participate in a single game, and at the biggest international festivals, some games are played by more than 1000 people simultaneously. In French, duplicate is practised in France, Belgium, Canada, Switzerland, Senegal, Benin, Tunisia, Lebanon and many other countries. Duplicate Scrabble has been part of the Romanian national championship since 1981. The rules of duplicate Scrabble can vary between different languages and different associations. Some of the general principles of duplicate are Duplicate Scrabble Duplicate