Bridge placard

1. A deck of cards * * * has four colors, each with 13 points, and a deck of cards * * * has 52 points.

Where A is the maximum of 4 points, K is 3 points, Q is 2 points, and J is 1 point.

In bridge bidding, S stands for spades, H stands for hearts, D stands for diamonds, C stands for clubs, and NT stands for generals.

Among them, S and H are high-level suits, and D and C are low-level suits. The order from high to low is nt "s" h "d" c.

3. Bridge stipulates that each player plays a card as "one pier", * * * has 13 piers, and the number of winning piers required is based on 6.

For example, if the number of stages specified in the contract is 4D, the number of winning piers required is 10 pier.

4. 30 points for each high flower pier; Low flowers 20 points per pier; No, 40 points for the first meal, and 30 points for each dock after that.

It is divided into "incoming", so it takes 4 levels for high flowers to enter, 5 levels for low flowers to enter, and only 3 levels for no generals to enter.