Cyberyeti, on 2013-June-22, 02:52, said:
This was the auction at the table, 3
♣ was slow.
Is 3N suggested by the hesitation, or is it equally likely that the 3
♣ bidder was thinking about pass/3
♣ as 3
♣/something bigger.
His hand was void, Axx, Axx, AQ10xxxx and with
♣KJ tight onside, 3N was cold.
Adjust to 3
♠-1 (it is quite clearly always -1) or leave the table score ? MPs if it matters.
With better particulars of the BIT a more confident judgment might be made as to the available inferences. As such the inferences generally fall into two classes:
[1] opener has minimum holdings/ subminimum holdings for a contemplated action such as [a] shorter anchor suit which is stout [b] a flimsey anchor suit [c] it is dangerous to mention a side suit
When opener has no problem passing 3S it infers that the previous tempo suggests 3C was aggressive rather than conservative
[2] opener sees possibilities for game and is deciding whether to risk a unilateral action when there is no satisfactory systemic action to elicit responders opinion- the basis of which could be [a] a long, strong, but broken suit plus stoppers and winners [b] very long but not solid enough suit needing sufficient spade stoppers [c] undisclosable honors and worried about the quality of spade stopper [d] contemplating the risk of penalizing 2S
My view is that 3S breaks the connection between the UI and possible damage thereby; reasoned as follows:
If the tempo suggested that opener had significant extras then by reopening the auction they would give the opportunity to punish 3S/ improve the contract. Therefore, to reopen risks having your head handed to you. Conversely, reopening implies the tempo suggests the weaker view that opener was contemplating a very aggressive action [weaker hand]. Thus, the UI suggests that 3N is more likely to fare worse than alternatives and as such is not demonstrably suggested.