Skat (card game) trick points have been won can not be lost, regardless of claims. After the last trick has been played, the game is scored. Winning conditions for null game are different from suit and grand games. To win a suit or grand game, declarer needs at least 61 card points in his tricks. If declarer announced "Schneider", he needs at least 90 card points in order to win. The two cards in the "Skat" count towards declarer's tricks. If declarer announced "Schwarz", he must take all ten tricks in order to win. The highest-ranking cards for taking the tricks (the jacks)
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 ",