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Help bidding this grand

#1 User is offline   The Casual 

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Posted 2015-April-04, 10:27

http://tinyurl.com/n5lgq2h

With the 1 opening and 1 overcall how would you get to the grandslam? I doubt I can bid 7 over partners 5 bid (I was thinking he had more like 7 solid trump). I was hoping my 3 bid was something like "tell me more partner", 3NT being a stopper of some kind (not expected with e's holding) or maybe 4 with honour doubleton, is this correct?? Anyway I wasn't quite expecting 13 tricks off the top (more like 7 trump and 5 outside), what do you think? Also what would be the difference in meaning between a 4 bid and partner's 5 bid?
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#2 User is online   Cyberyeti 

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Posted 2015-April-04, 15:34

To me, 5 is a lot of clubs, 4 isn't quite so many.

From E's point of view, partner must have a side card outside the club suit or he'd have opened 3/4/5 (would an opening 4 have been natural or NAMYATS style ?) and it could easily be a 3 card major suit holding (wouldn't you preempt 1138 say). A singleton heart could easily be all you need to ruff out the suit.

From W's PoV, I'd read 3 as either "I stop the spades but not the diamonds and am looking for 3N" or a club raise. I would have bid 4 over 3 saying "I don't stop the diamonds but do control them, and have enough clubs to be confident here", now it continues 4(cue)-5(void, no spade control)-5(spade control no K)-5N(which in style for us says "I have something I haven't yet been able to show" which will be K or Q which should be enough for the grand to be bid.
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#3 User is offline   mike777 

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Posted 2015-April-04, 16:56

perhaps just open 5c then 7c?
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#4 User is offline   hrothgar 

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Posted 2015-April-04, 17:11

View Postmike777, on 2015-April-04, 16:56, said:

perhaps just open 5c then 7c?


Would not open 1

I would start with a high level preempt and would not get to the grand because we wouldn't be able to place the Queen of Spades
Alderaan delenda est
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#5 User is online   Cyberyeti 

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Posted 2015-April-04, 17:55

View Postmike777, on 2015-April-04, 16:56, said:

perhaps just open 5c then 7c?


If you open 5 partner won't bid 7 as you could easily have xx, xx, x, AKJ10xxxx where it's no play.

1 followed by 5 and partner will assume something outside and probably bid it.
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#6 User is offline   mike777 

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Posted 2015-April-04, 18:02

I fully grant bidding 7c is a bit of a guess, I like that long h suit and lots of entries.

PRefer 1c then 5c to be more outside but that may be old fashion. Sort of a 3 loser hand with few hcp.

I would 100% bid 7c after 1c then 5c :)
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#7 User is offline   vinchy 

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Posted 2015-April-04, 22:23

I would not have followed the same bidding pattern, but why not 4 after partner's 3? There's no way he will pass, and in this situation it communicates what partner needed to know.
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#8 User is online   P_Marlowe 

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Posted 2015-April-06, 02:49

Hi,

the problem with 3S is, that there is not much room between 3S and 3NT, but
given that 3C does not necesarrily show 6+, it is hard to come up with a good
alternative to 3S.
Seeing both hands a neg. X may have worked better, but having a forcing 2H bid
av. and a 6 card suit, 2H is obvious.

The way the auction went, you did well to reach 6C.

You may reach 7C, after a 5C opening bid, but a 1C opening bid is not wrong.

With kind regards
Marlowe
With kind regards
Uwe Gebhardt (P_Marlowe)
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#9 User is offline   Zelandakh 

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Posted 2015-April-06, 09:00

View PostP_Marlowe, on 2015-April-06, 02:49, said:

Seeing both hands a neg. X may have worked better, but having a forcing 2H bid
av. and a 6 card suit, 2H is obvious.

I was wondering about this too - what would everyone think Responder was showing if they used a double-cue-heart sequence? For example 1 - (1) - X; 2 - 2; 3 - 3.

Aside from the theoretical, I think worrying about system for hands with an 8PT opener that is being shown as a minimum opposite a SJS Responder should probably not be a high priority - I am fairly sure the OP's system has more important system holes. As a further aside, I am not fond of the 1 overcall - 2 or some 2-suited jump seem to make life much more interesting for E-W.
(-: Zel :-)
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#10 User is offline   perko90 

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Posted 2015-April-08, 03:00

I prefer a 5 opening preempt.
But whether it starts with a preempt or the way the auction presented started, I think getting to a Grand is tough.

On the given auction, after 5, E will be counting tricks. A reasonable assumption is that W has AKxxxxx and an outside high card. But that's only 12 tricks. A 13th could come from finding Kxx in diamonds or setting up the H suit. But you could just as easily have an unavoidable H loser, like xx xx Kx AKJxxxx. Too much of a guess to bid the Grand. And if you back up the auction more, second guessing E's reasonable 3 bid seems like "resulting" it to me.
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#11 User is offline   jdonn 

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Posted 2015-April-08, 08:23

I think west is too good for 3, whether you play it as forcing or not (I think non-forcing is standard). I would rebid 4. East could essentially raise that directly to 7 with his monster, with whatever science along the way you feel like.
Please let me know about any questions or interest or bug reports about GIB.
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#12 User is offline   WesleyC 

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Posted 2015-April-11, 03:51

1C is clear for me at these colours.

I'm also happy with 3C. The 8c suit is huge, but holding minimum high cards and Qxx I'm happy to take a conservative position. 3C also leaves the most room for partner to describe their hand.

5C is a reasonable choice if it shows extra distribution and club length - basically a 5C opening with a bit outside. I'm also assuming that 4C would've been N/F.

Over 5C East, can tell that grand-slam must be a huge chance. Even a sub-minimum hand with a singleton heart such as [xx x xxx AKJxxxx] makes the grand 80%+. Almost any full strength hand should make it lay down.

If I wasn't confident with my agreements at that point i'd be happy to just blast 7C. Not investigating grand-slam at all is definitely a mistake.
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#13 User is offline   Lovera 

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Posted 2015-April-11, 06:50

View Postjdonn, on 2015-April-08, 08:23, said:

I think west is too good for 3, whether you play it as forcing or not (I think non-forcing is standard). I would rebid 4. East could essentially raise that directly to 7 with his monster, with whatever science along the way you feel like.

I too think 4 should be a better bidding partner following with 4NT(=RKCB 3014-club trump), 5NT(=2 keys+void). It has to consider that with 5 (presumibly) entries in dummy we can get grand easyly.(Lovera)
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#14 User is offline   aguahombre 

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Posted 2015-April-11, 19:45

Seems like once we learned Opener has all those clubs and didn't open 5C, we should just bid the darn grand.
"Bidding Spades to show spades can work well." (Kenberg)
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#15 User is offline   Lovera 

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Posted 2015-April-12, 05:47

..It are examples that justify this opening : - 2 KJ98 KQJ98742 , Q83 4 - AK10987654 , - - KQJ87542 QJ1032 , Q763 - 2 AQJ108642.. [9 or 10 tricks principally from longness] (From "Il libro completo del bridge di gara by Guido Barbone pagg. 53-54 Open bidding of five in a minor suit).
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