Pinochle cards (a piquet deck does not have the 2-6, making it easier to modify, and a euchre deck is exactly half a pinochle deck), but with the game's popularity in the United States in the early 1900s, a single boxed deck with the necessary cards was marketed, and these specialized pinochle decks are now widely available in similar styles to common 52-card counterparts. Variants of pinochle can be played with five, six, eight or more players. These larger variations can combine two pinochle decks called a "double deck". The double deck can also be used when playing with four players;
International Skat Players Association International Skat Players Association The International Skat Players Association (ISPA) is the worldwide umbrella organisation for all competition Skat players. The ISPA was founded in 1976 by Peter Brand and Martha Prickartz in Aachen, Germany. It initially crossed swords with the world's largest national Skat association, the German Skat Association ("Deutscher Skatverband", DSkV), and promulgated different rules for the game. Towards the end of the 1990s, talks between the top officials of each organisation led to rapprochement and agreement between the two large associations. The ban on double membership was lifted and a uniform International Skat Order ("Internationale Skatordnung ",