Bridge is a four-person card game between two people. There are many kinds of cards, which are gradually developed from card games such as the old puppet West. The first book about bridge is Edmund Huo Yier, published in 1742. Before playing bridge, four people bid according to the strength of the cards, and the dealer needs to control the hand to complete his contract, which is divided into two categories: contract and non-contract.

Bridge is an elegant, civilized, philosophical and scientific intellectual sport, known as "the game of the wise". Bridge has become a performance event of the 20 12 Summer Olympic Games and an official competition event of the 2007 National University Games.

Rules of the game:

52 cards are evenly distributed, each person 13 cards; When playing cards, one party plays cards and the other three parties follow. After a round, the winner puts the cards vertically and the loser puts them horizontally. Every victory is called a trick. Make an appointment with 6 piers as the base pier, and cards exceeding 6 piers can be counted as winning piers. If the player makes a 3S contract (spades is a third-order contract), it will only be completed if he has dunked (6+3) times or more.

If the number of piers is not enough, it will be deducted. If a contract lacks several piers, it is called several piers. For example, North and South signed a 5NT contract and finally got 7 piers, which is called Dang 4(6+5-7=4) pier. When the contract is confirmed, the contractor first calls out the person whose contract color is the leading role, and he calls the banker. His companion called Qing shou, and he had to show his cards for the first attack.

Bridge game:

Swiss transfer is a way to arrange seats, with the aim of making each round of meetings have similar points. The seats in the first round are arranged in the order of registration, and the seats in each round will be arranged according to the current points of each pair of players, with the highest points being preferred.

Pairs that account for a certain proportion of the total number of completed games are generally 60% to 80%. After all competitions, the system calculates the total points of all participating pairs, including those who abstained before the last round, and ranks all the pairs who have completed the competition. Those who are the same, those who complete multiple pairs are the first, and those who complete the same pair are the first.