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
Auction bridge "The Times" (London), January 16, 1905, signed by Oswald Crawford, describes auction bridge as first played in 1904, while a book by "John Doe" (F. Roe), published in Alláhábád, India, in 1889, puts forward auction bridge as an invention of three members of the Indian Civil Service stationed at an isolated community, designed a three-handed form of bridge to compensate the lack of a fourth player. Their key contribution was the concept of competitive bidding for the declaration. The bidding, play and laws are similar to contract bridge. The dealer opens the bidding and must declare to win at least