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Bridge Bidding Principles. Bridge Bidding Systems Descriptions and links to bidding systems including Standard American, 2/1, Acol, Polish Club, and more. Read hundreds of bridge bidding conventions used in contract bridge. Blackwood, limit raises, and more exotic bids are explained in detail.
- Maximal Double
With a stronger hand (15-17 points), you want to bid 3 as an...
- Lebensohl
Lebensohl is a bidding convention used when the opponents...
- Ogust
Ogust is a conventional 2NT response to a weak two bid or...
- Responsive Double
In their excellent book "Modern Bridge Conventions", Bill...
- Strong Jump Shifts
Meaning; Raising partner's suit: At least 3-card support....
- Minor Suit Transfers
Meaning; Pass of 3: A weak hand with at least 6 diamonds. 3...
- Maximal Double
We say suggests because of the good-old “Five and Dime” rule – as responder we should have a 5 card suit and 10+ points to respond in a new suit at the 2 level.
Rule of 5 and 5. This pertains to an ACBL policy issued in the 1980’s that in ACBL sanctioned bridge events (generally meaning tournament events where the General Convention Chart is in use) weak two bids should not contain fewer than 5 HCP’s and that the suit should be a holding of at least five cards. Rule of 7. The rule of seven is a ...
If the sum of your High Card Points and the number of cards in your two longest suits is 20 or more you should open the bidding. For example, with 11 High Card Points, 5 spades and 4 hearts you should open 1S.
At least 5-5 in clubs and diamonds. Cappelletti is a popular convention against the weak 1NT, because it retains a natural double while still offering a way to compete with a variety of major-suited hands.
Three conventions that use the puppet concept are: Five-Card Stayman (1N - 3♣!), Smolen (1N - 2♣ - 2♦ - 3M), and. Puppet Stayman. Of these, Five-Card Stayman is the best improvement to the basic 1N system that you can make, and adding it does not affect the rest of your structure.
Opposite a good diamond raise with values in both black suits, though, Five Diamonds is likely to be a much better spot despite your weak trumps. With Hand I, your heart values rate to be next to useless in a high diamond contract.
