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
Bidding box order of placing the cards would be from right to left. Some manufacturers offer bidding boxes for left-handed people, which are constructed (except for the placement of suit symbols on the tabs) and used as mirror images of right-handed boxes. Tournament organizers generally permit the players to carry their own left-handed bidding boxes. The card symbols are orange for the diamond pips and green for the club pips, whereas the spade and heart pips are the customary black and red. Bidding box A bidding box is a device used for bidding in bridge, usually in duplicate bridge competitions. Made in