Contract bridge awards a bonus for holding a certain combination of high cards), although some are common between the two. A larger bonus is awarded if the declaring side makes a small slam or grand slam, a contract of 12 or 13 tricks respectively. If the declaring side is not vulnerable, a small slam gets 500 points, and a grand slam 1000 points. If the declaring side is vulnerable, a small slam is 750 points and a grand slam is 1,500. In rubber bridge, the rubber finishes when a partnership has won two games, but the partnership receiving the most "overall" points
Contract bridge "bridge-whist", became popular in the United States and the United Kingdom in the 1890s despite the long-established dominance of whist. In 1904 auction bridge was developed, in which the players bid in a competitive auction to decide the contract and declarer. The object became to make at least as many tricks as were contracted for, and penalties were introduced for failing to do so. Auction bridge bidding beyond winning the auction is pointless. If taking all 13 tricks, there is no difference in score between a 1 and a 7 final bid, as no bonus for game, small slam or