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October MSC - Problem B

#21 User is offline   pclayton 

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Posted 2004-August-25, 18:21

hrothgar, on Aug 25 2004, 04:04 PM, said:

I can see a very valid arguement that a XX over a major suit opening should be scrambling, while a XX over a minor suit opening should be for business]


Wouldn't you think the opposite would be true? A xx after a major would be biz-ness?
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#22 User is offline   hrothgar 

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Posted 2004-August-25, 18:38

pclayton, on Aug 26 2004, 03:21 AM, said:

hrothgar, on Aug 25 2004, 04:04 PM, said:

I can see a very valid arguement that a XX over a major suit opening should be scrambling, while a XX over a minor suit opening should be for business]


Wouldn't you think the opposite would be true? A xx after a major would be biz-ness?

After a 1m opening, responder is able to advance the bidding with significantly weaker hands than after a 1M opening. Compare and contrast the minium hand where you'd bid over a 1♣ opening as opposed to a 1♠ opening. In turn, this suggests that a scrambling sequence would be more valuable after a major suit opening...
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#23 User is offline   inquiry 

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Posted 2004-August-25, 21:16

It is totally meaningless of course, but I used BridgeBrowser to look at auctions that went 1D-X-P-P-2D out of 2.8 million BBO auctions. this auction happened 13 times (out of the 2.8 million ones), and in each case the 2D bidder just had long diamonds. A surprising number of times, doubler bid over 2D. I mention this, only as an oddity.... i don't think any of these 13 people should have bid 2D.
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#24 User is offline   1eyedjack 

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Posted 2004-August-26, 00:10

Had it been MP I could almost understand opener having a problem with certain strong hands. 1DX is not game, and 2 doubled overtricks in Diamonds may not be available given the opposing stack, when game might be possible elsewhere. +380 (or even +580) may be a poor score compare with +600.

But the problem is in IMPs, so I cannot see that it is right to go for a speculative game in preference for a certain plus with the likelihood of an overtrick or 2. And if opener is weak there is no rescue that cannot go through XX.

So I will continue to watch this space with interest.
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