Rubber bridge they must play a card of the suit led if they have one. A player who has no cards of the suit led may play any card either discarding or trumping. A trick is won by the highest card of the suit led unless trumps are played, when the highest trump wins. The winner of the trick leads to the next trick. The main article includes a detailed description of rubber bridge scoring with examples. Essentially, each winning bid's value is scored "below the line" (e.g., 3 Spades nets 90 points below the line) and overtricks, bonuses, etc. are scored
Bidding as reverse auction, social bidding, or many other game-class ideas that promote themselves as bidding. Bidding is also sometimes used as ethical gambling in which the prize money is not determined solely by luck but also by the total demand that the prize has attracted towards itself. Bidding performs in two ways online: unique bidding and dynamic bidding. Unique bidding: In this scheme, the user who gives the most unique bid wins the bidding. For example, if users A, B, C, D, and E are bidding for the same product, and A bids $5, B bids $5, C and D