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
Singaporean bridge 1, 2, 4, 8, 16, 32, 64 points are scored for contracts of 7, 8, 9, 10, 11, 12, 13 tricks respectively. Both partners score the same points when contract are fulfilled. There is no extra point for over-trick, so players should try to bid to their full potential. There is a penalty for under-trick to prevent reckless pre-emptive bidding; the opponent score 1, 2, 4, 8, 16 points... and so on, depending on the number of under-tricks. The points for each game are recorded on a piece of paper with four columns for four players. In each game only