500 (card game) 500 (card game) 500 or five hundred, also called bid euchre, is a trick-taking game that is an extension of euchre with some ideas from bridge. For two to six players, it is most commonly played by four players in partnerships, but is sometimes recommended as a good three-player game. It arose in America before 1900 and was promoted by the United States Playing Card Company, which copyrighted and marketed the rules in 1904. 500 is a social card game and was highly popular in the United States until around 1920 when first auction bridge and then contract bridge drove
Card reading (bridge) Card reading (bridge) In contract bridge, card reading (or counting the hand) is the process of inferring which remaining cards are held by each opponent. The reading is based on information gained in the bidding and the play to previous tricks. The technique is used by the declarer and defenders primarily to determine the probable suit distribution and card holdings of each unseen ; determination of the location of specific spot-cards may be critical as well. Card reading is based on the fact that there are thirteen cards in each of four suits and thirteen cards in each of four