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What can you do? This is where the Gerber Bidding convention is use. The Gerber Bidding Convention. Instead of bidding 4NT, you use 4Clubs instead. The responses are the same as the responses for Blackwood. 4 Diamonds = No aces or four aces. 4 Hearts = One ace. 4 Spades = Two aces. 4 NT = Three aces.
The Blackwood convention appeared in 17 different languages and 57 books by the time Blackwood published the convention in his own Bridge Humanics in 1949. Blasckwood was born in Birmingham AL in 1903 and went to work as a clerk with Metropolitan Life Insurance Company at the age of 17.
In the partnership card game contract bridge, the Blackwood convention is a popular bidding convention that was developed by Easley Blackwood. It is used to explore the partnership's possession of aces, kings and in some variants, the queen of trumps, to judge more precisely whether slam is likely to be a good contract.
To determine the amount of controls in your partner’s hand, however you must ask it with special “asking” bids and the 4NT bid now means something different rather than just inviting partner to bid Slam. This lesson is a brief extract from the interactive lessons and Bridge games available to members: LEARN MORE.
The basic idea behind the Blackwood convention is to de-termine how many aces partner holds. In certain circumstances, this permits slams to be accurately bid — or avoided. The player who wishes to know how many aces partner holds bids 4NT, usually as part of a constructive auction. For example: Cappelletti over 1NT . — part 1.
Apr 11, 2015 · This convention has been around since the 1940's. It is a most helpful convention, but is often misused and abused. Blackwood should not be used as a crutch to determine if there is a slam, but more to make sure that you don't reach a slam off 2 aces (nor a grand slam off 1 ace).
The basic idea behind the Blackwood convention is to de-termine how many aces partner holds. In certain circumstances, this permits slams to be accurately bid — or avoided. The player who wishes to know how many aces partner holds bids 4NT, usually as part of a constructive auction.
