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Negative inferences


CSGibson

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Just for clarification, the OP was talking specifically about things that are demonstrably not alertable in the ACBL during the auction without screens, and (voluntary?) supplemental disclosure after the auction period.
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Nor do I. But, surely only rebidding 1S if unbalanced...or always implying longer clubs if we rebid 1S...are significant enough in the sense of "carrying a message other than the natural meaning of the bid" to warrant an alert.

 

When would you rebid 1 without a) longer clubs or b) 4-4-4-1? You would if you weren't playing checkback... don't most people near you play checkback?

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When would you rebid 1 without a) longer clubs or b) 4-4-4-1? You would if you weren't playing checkback... don't most people near you play checkback?

Yes they do. But, as stated in previous threads, plain old NMF and the old Hardy-adjunct continations are quite adequate when we don't have to add the concern of opener having a 4-card spade fit with us. That possibility is the main reason people must play 2-way checkback and lose the ability to get out low in clubs. Style decisions affect much more than what originally seems to be.

 

We rebid 1S with any hand which has four of them; and don't jump shift to 2S unless G.F. and unbalanced. A balanced 19 with 4 spades rebids 1S. 1/1/1 is forcing unless responder didn't have a response. We don't particularly advocate this style to anyone else, but it works fine for us. We are content to find our 4-4 spade fit when responder has 4-4M's and minimum, and we have simpler ---easily defined auctions after 1NT and 2NT rebids.

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we have simpler ---easily defined auctions after 1NT and 2NT rebids.

 

With the tradeoff that you don't have as closely defined auctions after a 1 rebid. 1 rebid implying unbalanced (or semi-balanced) is a really useful inference, imo, that makes it very attractive to rebid 1N with all balanced hands. I'm not saying one is better than the other, though I have a preference for the unbalanced 1, but that both sides have strong merits.

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When would you rebid 1 without a) longer clubs or b) 4-4-4-1? You would if you weren't playing checkback... don't most people near you play checkback?

It is interesting what you mean by "most people near you". For example, if you are referring to club players in my area, not in ten plays checkback.

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