How many points do you need to open in Bridge?

With 0 to 12 points, pass. With 13 or more points, open the bidding with one of your longest suits. With 15 to 17 high-card points and a balanced hand (one where all suits are represented with at least two or more cards), open 1NT (notrump).

What is the difference between a negative double and a takeout double in bridge?

A takeout-like Double by responder, popularized by Alvin Roth and Tobias Stone in 1957 (then called the “Sputnik”)….Negative Double:Takeout DoubleNegative DoubleOvercaller’s new suit after a Takeout Double shows a strong hand (17+ HCP)Responder’s new suit after a Negative Double is simply a signoff to play5

What is the purpose of a takeout double in bridge?

In the card game contract bridge, a takeout double is a low-level conventional call of “Double” over an opponent’s bid as a request for partner to bid his best of the unbid suits.

What does double and redouble mean in bridge?

A redouble is a call that can be made when the last call in the current auction (other than a Pass) is a double. It can have one of three different meanings, depending on the auction: 1) For penalty. This redouble is made after an opponent makes a penalty double of your contract.