Tile-matching video game casual games, tile-matching games are designed to be easily accessible and easy to play, which conflicts with a traditional video gaming ethos that demands games to be challenging and punishing. Match-three games are NP-hard when generalized to an n × n playfield and played such that the player knows in advance all the tiles that will appear, with no random chance involved. In particular, it is NP-hard to determine: Tile-matching video game A tile-matching video game is a type of puzzle video game where the player manipulates tiles in order to make them disappear according to a matching criterion. In
National Scrabble Championship (UK) in a 14-game stage with the top two playing in a best-of-five final held in London. Since the replacement of the ABSP from Mattel as the sponsor of the NSC in 2014, qualifiers now compete in a 17-game final held over a weekend in November, with no best-of-5 final. The final, like a normal Scrabble tournament, orders players based on number of wins then by number of spread points. The player who finishes first after 17-games is crowned UK National Scrabble Champion and wins a cash prize of £1,000. Smaller cash prizes are also awarded to the top 10 players,