[lycier]

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After cheaper minor 3♣ which promises forcing to 3♠,only,If I rebid 3♦,it only shows 19hcp+,23TPs,4+♦,5+♠,I am worried about Gib partner bidding 3♠ if I really rebid 3♦,how to next? so I have my best to bid 3nt showing my hand with 25hcp.
However first time to see the explanation on 3nt,3nt says " 4-♥,5-6♠,25-32hcp...".
This range with 8hcp is too wide,really not good.
I believe that the main root of this problem is 2♦ as bid waiting,bid waiting is almost useless.
How to resolve this problem?
There are many solutions,for example,after 2♣ ,2♦ as positive responding,2♥ as negative responding.

Reference for another hand:

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[steve2005]

Problem is 3♣ is potentially a double negative. •

GIB Upgraded!
A new version of GIB is is here! We call this Version 33.

2♣ p 2♦ p 2M p 3♣ p 3M is now non-forcing (with 3♣ being an artificial double-negative.)




So, if you have a GF opposite 0 pts., you may have to bid game now. Your hand is essentially unlimited at this point so wide range unavoidable using this system.

I think it better to have 3♣ as always a double negative and bid 2N with balanced or ♣.