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
Japanese auction to the ante in Poker. Japanese auction A Japanese auction (also called ascending clock auction) is a dynamic auction format. It proceeds in the following way. Suppose a buyer believes that the value of the item is "v". Then this buyer has a simple dominant strategy: stay in the arena as long as the displayed price is below "v"; exit the arena whenever the displayed price equals "v". This means that the Japanese auction is a truthful mechanism: it is always best to act according to your true value, regardless of the others' values. When all buyers play their dominant