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Purpose of sudden 6-level bid


trolley813

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I had the following hand when playing SAYC-like with a robot:

4 108743 KQJ7 AQ10

 

Partner had

AQ982 QJ6 A K875

 

The bidding went as follows (I opened): 1 (12+ HCP with 5+ hearts) - 1 - 2 (good diamond suit, no spade fit) - and then North suddenly blasted to 6. Of course, for the obvious reasons (missing AK of trumps), it went down 1.

 

So, why did North bid a slam without further investigating (Blackwood etc), since I didn't promise the strength of my heart suit (opposed to length)? Or maybe I shouldn't open with my long major being not good enough?

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So, why did North bid a slam without further investigating (Blackwood etc), since I didn't promise the strength of my heart suit (opposed to length)? Or maybe I shouldn't open with my long major being not good enough?

6H is clearly ridiculous, but the auction is a problematic one. Say North bids 3C and you bid anything other than 3D - how does North set hearts and look for slam now? Here you're going to bid 3NT, and I don't know what GIB's options are at this point.

 

A partnership needs good agreements to deal with a 4SF bid at the three-level, otherwise the auction may not be much more informative than the one the robot chose.

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I reckon opposite a half decent (even average) 5 card opening heart bid its not a bad attempt (very approx averagish 75% plus or minus a fair bit chance of double dummy), but even I at my lowly robot-type level like to check for some controls, and remove some of the error variance occasionally. Saadly also despite having a fairly healthy mean chance of making it the mean number of tricks is less than 12 (dont know why) Do people really expect 100% accuracy from anything human or robot

 

I'm going to think twice opening a heart suit like that in future :)

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Ouch. Robots tend to overuse point count (they double count honors + shortness). Something to be said for rebid of 1NT with 12-14.

Worth considering suit quality in first or second seat. It sometimes is worth while passing this hand first, although it goes against the grain playing with a real partner1

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I had the following hand when playing SAYC-like with a robot:

4 108743 KQJ7 AQ10

 

Partner had

AQ982 QJ6 A K875

 

The bidding went as follows (I opened): 1 (12+ HCP with 5+ hearts) - 1 - 2 (good diamond suit, no spade fit) - and then North suddenly blasted to 6. Of course, for the obvious reasons (missing AK of trumps), it went down 1.

 

So, why did North bid a slam without further investigating (Blackwood etc), since I didn't promise the strength of my heart suit (opposed to length)? Or maybe I shouldn't open with my long major being not good enough?

Playing SAYC while GIB is playing 2/1 should lead to some confusing auctions.

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