Re: In between Law 23

No Walther, you have not grasped the meaning.
Let me take your example B, because it is the closest:

Volker Walther wrote:
>
> B)
> 1C opening: 15+ pt, any distribution
> 2C overcall 15+ pt, any distribution or 10+ spades
>

Suppose they open 1He, and you have 15+.
If you simply bid 2C, you indicate either your value or your spades.
But if you first bid 1C, and then change it to 2C, you have indicated 
your value but _without_ the possibility of the spades!

So by first underbidding, you have told your partner more than by 
bidding the 2C straight away.

And of course this is very little extra information, which is why, as 
TD, I'd allo it anyay - but that is the reason why a comparable call can 
be more restricted, a subset of the original, cancelled call, but not a 
more broader set.

OK?

Herman.


> C)
> 1C opening: 15+ pt, any distribution
> 2C overcall 18+ pt, any distribution or 10+ spades
>
> The replacement of a withdrawn 1C opening by a 2C overcall is...
> A) CC according to 23A2
> B) CC according to 23A1
> C) no CC?
>
> This looks strange to me. All the difference between the meaning of 2C
> in B respectively in C is completely contained in the authorized
> information, given by the 2C bid.
>
> This is a matter of symmetry.
> Since the replacement bid becomes a part of the legal auction, all the
> information gained from it is AI anyway. Regarding this, it is
> reasonable to have the asymmetric situation of 23A2: a more precise
> replacement bid is a comparable call, since the additional information
> is AI.
>
> But the wording in 23A1 is requesting a symmetry  between withdrawn call
> and replacement. Their meanings have to be similar in both directions.
> I do not see any necessity why all the meanings of the withdrawn call
> have to be found in the replacing call.	
>
> IMHO a replacing call that has meaning similar to one, defining a subset
> of the possible meanings of the withdrawn call should be called a
> comparable call.
>
> My suggestion:
> "Law 23 A new definition
> A call that replaces a withdrawn call is a comparable call, if it:
> 1.  has the same or similar meaning as _one_ attributable to the
> withdrawn call, or ...."
>
> But being no native speaker it is possible the I missed the point of 23A1.
>
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