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What is needed to bid 3N?

#1 User is offline   thorvald 

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Posted 2022-October-04, 06:56



Does the bot needs stoppers in all suits to bid 3N here?

4 was not a winner.
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#2 User is offline   mw64ahw 

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Posted 2022-October-04, 07:27

I would say no in practice, but this is a bot. More importantly bidding 3NT depends on the strength of the X; if this is sub 15hcp then you will struggle in 3NT too
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#3 User is online   smerriman 

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Posted 2022-October-04, 13:15

Seems they've turned off simulations in this position so you only get the book bid; who knows why as a simulation gives 3NT almost every time.
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#4 User is offline   thorvald 

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Posted 2022-October-04, 13:22

View Postsmerriman, on 2022-October-04, 13:15, said:

Seems they've turned off simulations in this position so you only get the book bid; who knows why as a simulation gives 3NT almost every time.


I think the Book bid should be 3N on this hand :-)
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#5 User is online   smerriman 

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Posted 2022-October-04, 13:34

View Postthorvald, on 2022-October-04, 13:22, said:

I think the Book bid should be 3N on this hand :-)

GIB requires 11 HCP to bid 3NT. If you decrease the limit by 1, no doubt there will be other 10 HCP hands where it would be silly to bid 3NT. So it really doesn't make any sense / is pointless to change the book bid - whenever you're on the edge like this, a simulation is the only sensible method for deciding.
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#6 User is offline   nullve 

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Posted 2022-October-04, 13:52

View Postsmerriman, on 2022-October-04, 13:15, said:

Seems they've turned off simulations in this position so you only get the book bid; who knows why as a simulation gives 3NT almost every time.

I'd expect Pass to be best at every other vulnerability.

Right or wrong?
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#7 User is online   smerriman 

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Posted 2022-October-04, 14:17

View Postnullve, on 2022-October-04, 13:52, said:

I'd expect Pass to be best at every other vulnerability.

Right or wrong?

Yeah, other vulnerabilities the older version of GIB which does have simulations enabled comes up with pass around half the time and 3NT the other half - not sure which is best in the long run; it's probably pretty close.
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