Slam-seeking conventions Slam-seeking conventions Slam-seeking conventions are codified artificial bids used in the card game contract bridge. Bidding and making a small slam (12 tricks) or grand slam (13 tricks) yields high bonuses ranging from 500 to 1500 points. However, the risk is also high as failure to fulfill the slam contract also means failure to score the bonus points for a game (300-500). Conventions have been devised to maximise the opportunity for success whilst minimising the risk of failure. Contract bridge bidding systems are mainly "natural" (most bids have an obvious meaning) or "artificial" (many bids have a meaning unrelated to
500 (card game) double misère a set always occurs at 3 tricks. Breach indicates that a non-bidding team intends to breach the contract of a bidding team by at least one more trick than is actually necessary to break the contract. As opposed to the Setting rule, Breach must be called on a per hand basis, and does result in additional scoring. Typically, Breach is not played in a game when the setting rule is being used. A single player from a non-bidding partnership may call to breach another team’s contract after a successful bid for a seven-trick (or more) contract has been