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Don't understand Gib's rebid sequence with nmf


lycier

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[hv=http://www.bridgebase.com/tools/handviewer.html?sn=lycier&s=S752HAQ654DQJ9CA2&wn=机器人&w=SAK98HJ832DT53C53&nn=机器人&n=SQT64HT9DAK42CJT8&en=机器人&e=SJ3HK7D876CKQ9764&d=s&v=n&b=&a=1H(Major%20suit%20opening%20--%205+%20%21H%3B%2011-21%20HCP%3B)P1S(One%20over%20one%20--%204+%20%21S%3B%206+%20total%20points)P1N(2-3%20%21C%3B%202-3%20%21D%3B%205%20%21H%3B%202-3%20%21S%3B%2012-14%20HCP)P2C!(New%20minor%20forcing%20--%204+%20%21S%3B%2011+%20total%20points)P2S(Secondary%20support%20--%202-3%20%21C%3B%202-3%20%21D%3B%205%20%21)PPP&p=D6D9DTDAHTHKHAH3S2S8STSJH7HQH2H9DQD3D4D7DJD5D2D8H6HJSQC7S6S3S5SKSAS4C4S7C5C8C9C2C6CAC3CTH5H8CJCQS9DKCKH4]499|350[/hv]

 

After 1nt,Gib N rebid 2 as nmf with 4 card ,and then pass my 2,I think it should rebid 2nt as invitation.I am wondering why rebid 2.

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I don't know the reasons,maybe it is a strange thing.

 

It is a known bug with the hand presentation software. It has been around for a long time and there is no known fix nor apparently any prospect for correcting it.

 

I think that it only happens with the explanation of bids ranked on the far right of the diagram, normally South.

 

 

 

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  • 2 weeks later...

It has been fixed previously for

 

1m - 1M

1N - 2om

 

Fixed in next version and for 1 - 1.

 

So

- with INV values and 5+ GIB would use NMF

- with GF values and 4+ GIB would use NMF

- with INV but bal 4th, GIB would invite directly ( 11-12HCP )

 

otherwise ( like here in example ) GIB would pass.

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