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
Trick-taking game hold an auction for it. The most popular games of the 18th-century was tarot which experienced a great revival. During this time, many tarot games borrowed bidding over the stock (taroc-l'hombre). In the 20th century, Whist (now with bidding and the dummy hand) developed into Contract bridge, the last global trick-taking game. It is possible that the origin of the practice of counting tricks (in plain-trick games) was the counting of cards won in tricks. It was therefore a logical development to accord some cards a higher counting-value, and some cards no value at all, leading to point-trick games. Point-trick