jallerton, on Aug 22 2010, 04:59 PM, said:
Law 10C1 instructs the TD to "explain all of the options available". In this case, it seems to me that the options available are:
1. South should be given the option to accept the insufficient bid or not.
2. If South does not accept the insufficient bid, East should be given his options: to correct his call to any sufficient bid or to a Pass (or possibly to a Double if this has the same or a more precise meaning than the insufficient bid).
It seems to me that neither Law 81C2 nor Law 10C authorises the TD to explain the consequences of selecting a particular option. I realise that it is generally accepted TD practice around the world to explain which calls would or would not bar partner, but this practice would appear to be legal only if you consider the Laws themselves to be available authorised information.
The options available are (leaving out the minor things):
1a. South may accept the IB, so ...
1b. South may not accept the IB, then
2a. East might have a Law 27b1a substitution and may chose that, so ...
2b. East might have a Law 27b1b substitution and may chose that, so ...
2c. East does not have any Law 27b1 substitution or he does not want to chose that, so East has to pass or make a sufficient bid, and West is barred throughout.
These are the options that have to be explained
before South decides whether to accept the IB or not. The TD does
not explain in advance to South which are valid substitutions under 2b or whether there is a possible application of 2a. South may ask supplementary question about NS's system, but that's all.
Max Bavin (Head TD of the WBF) - EBL TDs seminar on 2007 Laws, on 2008 in Torino, said:
Recommended Tournament Director procedure
1. Advise the offender to say nothing at the table which might indicate what it was he thought he was doing, as to do so may create Unauthorised Information [UI] for his partner (Law 16B refers).
2. Advise the left hand opponent [LHO] that he may accept or reject the insufficient bid [IB], explaining that if he rejects it the offender will have the following options:-
· if the offender makes the lowest legal bid in the same denomination, and if neither call is artificial, then the auction will continue without any further rectification
· if the offender makes a call (any legal call) which has either an identical meaning a the IB or has a more precise meaning (such meaning being already fully contained within the scope of the IB), then the auction will continue without any further rectification
· otherwise, the offender can make any legal call he wishes other than a double or redouble, but his partner will be silenced throughout.
3. The LHO is not entitled to know what the offender was trying to do when he made the IB (though he is entitled to guess!). However, he is entitled to know full details of his opponents system (e.g. he can ask supplementary questions) and he is entitled to know the Law (e.g. he can seek clarification of the Law from the Tournament Director [TD]).
4. If the IB is rejected, the TD will need to establish what the offender was trying to do when he made it. He will almost inevitably need to do this away from the table in order that the other three players remain unaware of the reason. The TD then advises the player of his options (still away from the table) i.e. which calls, if any, will allow the auction to proceed without further rectification. If the correction is to be allowed under 27B1(b ), this may well involve quite a detailed (and possibly skilled) discussion and analysis of the players system. The offender then selects his call at the table, and the TD advises the table as a whole whether or not partner is silenced throughout.
5. There may be Law 26 type lead penalties if the offending side become defenders. Please see this Law even in 27B1(a) and 27B1(b ) cases [this aspect of Law may be subject to further review by the WBF LC].
6. At the end of play, the TD may need to examine whether there is any reason to adjust the score. In general terms (e.g. in the absence of Law 16B type UI), if the IB has been accepted then all should be well. Also, in general terms (e.g. in the absence of Law 23), if partner has been silenced throughout then all should be well. Note that rub of the green or just being lucky is perfectly acceptable when partner has been silenced throughout Law 27D does not apply, do not even think about going there!