Scrabble letter distributions "H" tile in place of the "CH" tile, two "L" tiles for the "LL" tile, or two "R" tiles for the "RR" tile is also not allowed in Spanish Scrabble (see rules in Spanish provided by the FISE). Spanish-language sets sold within North America (known as "Scrabble – Edición en Español") use - including "K" and "W" but without "CH" - these 103 tiles: Stress accents are still disregarded. Arguably the "K" and "W" tiles should not be included in this Scrabble set, but they are anyway, so that loanwords can be played. Spanish-language sets sold within Latin America under
Tile tracking using AI or Artificial Intelligence. While the practice of tile-tracking is considered an acceptable part of Scrabble and sanctioned by NSA and NASPA rules, there is much colloquial evidence to suggest that tile-tracking as both a legitimate technique and a strategic tool is not widely known outside of the Scrabble community. The similarities to the technique to 'card counting' is credited as contributing to some of the confusion among novice players. Zynga's Words with Friends online game includes tile-tracking as a paid feature, known as 'Peeks'. This received some criticism as being a form of "cheating" that the Zynga both