mila85, on Sep 1 2005, 09:43 AM, said:
Yes. Bidder HOPES pard will understand it. So there must be an agreement. Without it it would be impossible to understand. (natural is also an agreement)
No.
A hope is not an agreement.
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No, this is not a normal psych.
What is a "normal" psyche ?
there is no "normal" psyche. A psyche is an "abnormal" bid by definition.
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You know that partner is not sure what it means.
Come on, let's be serious: whenever a sub come at my table and I see a unalerted 2NT opening bid, I assume 20-21, even with no agreement, and so will my opps.
And so will 95% of the players on BBO.
It's not an explicit agreement though.
An explicit agreement is just what the word says: it was explicitly agreed.
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Imagine the bidding 2nt-p-3nt-dbl/4c-p-?
a) I have 20BAL, 5 clubs and think that RHO can make tricks in my unstopped suit (dbl was for a lead).
b ) I was psyching.
I think a) is normal. Partner can bid 5♣. But when you play with a sub he will always pass.
yes. So what ?
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After multi bids can be natural or P/C. This is a big difference. I you deny explain it and partner takes a good action then TD will work...
There are people, I mean beginner/intermediats, who have no idea: they had not discussed whether a 3M response to Multi after interference was pass/correct or not: if they say "undiscused", it's quite legitimate, they do not havce to tell you what they have, they only have to tell you the explicit agrements they have with pard.
The ame hold true for strong 2C overcalled, and MANY competitive sequences.
If no agreements, "undiscussed" is ok
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I have found that, in the "undiscussed" cases, many of my opps that ask me explanation, they are only trying to set up a trap:
they want me to explain the hand in such detail that, if the exlanation deviates, they will call the TD because of misalerting.
You can say "It tends to be..." If it's true you must give this information.
I usually do, when it is true that "it tends" to show something.
But when it is indeed undiscussed, I am not obliged to say anything: if my pard must guess, opps can be in the same position.
Take for instance the bidding in the thread "This cost much" by Ron:
1D-(p)-p-(2S)
4H-(4S)-5H-?
Is pass forcing here ?
If opps ask, I will say "undiscussed", because it was not discussed with partner.
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Opps must guess. Your pard can think about it.
No, what you say is not right.
My pard can think about it only if *we have agrements and I do not disclose them*: in this case I would be outright cheating.
But *if pard indeed has no agreement*, he is guessing too, ad he can guess right or wring, just like opps:
- see the above example of forcing pass;
-or, if I open 2NT with, say, 10 hcp and a long minor, and opps buy the contract, my pard could be guessing wrong doubling opps assuming I do have 20 hcp.
So, by making a psyche or an undiscussed bid, one player can win or lose: let's just accept it, sometimes one ca win by gambling or psyching, by making a bid that noone else at the table will understand, but this is not necessarily cheating.
"Bridge is like dance: technique's important but what really matters is not to step on partner's feet !"