# BBO Discussion Forums: 转2副二盖一体系不容易搞定的牌 - BBO Discussion Forums

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## 转2副二盖一体系不容易搞定的牌

### #1002012

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Posted 2016-October-27, 04:30

Board: 16
Vul: E-W
Dlr: West

North
Q 9 2
4
K J 7
K Q J 8 5 2

South
A J T 5
A 7 6 5
A 8 4
A T

West North East South
Pass 1C Pass 1H
Pass 2C Pass 2S
Pass 2NT Pass 3NT
All Pass

D.D.S: 6C=

**************************************

3136 一定不要2NT，3C是必选。

3H(3136) 4C(mKCB)
4D(1KC) 4H(CQ?)
4NT(CQ+DK) 6C
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### #2002012

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Posted 2016-October-27, 04:33

Board: 1
Vul: None
Dlr: North

North
A T 3
T
A K Q 7 6 5
A K 9

South
Q 7
K Q 3 2
4 3
Q 8 7 5 3

West North East South
------- 2C Pass 2D
Pass 3D Pass 3NT
All Pass

D.D.S: 6C/6D=

****************************************

1C 2C
3C(TAB) 3H(5 top 1)
4C(mKCB) 4H(0)
6C/6D

This post has been edited by 002012: 2016-October-27, 16:01

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### #3bgm

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Posted 2016-October-27, 07:40

The first hand is another great example for balanced principle. Before the first bid, south should picture that if they have a fit and partner has a red singleton, then there is a thin slam possibility. So rather than showing a 4-4 M to partner, you ask partner for his (approximate) shape instead, like what your quoted precision sequence do. The problem is not fully related to the system, but rather one need a artifical balanced FG bid.

The second hand is a typical difficult hand to bid - any 2 running suits slam with the other two suits controlled is difficult. The key fact is whether south can introduce his Qxxxx suit as a potential source of trick oppose to a strong partner. In many case this is difficult, and the club suit here make it more difficult to introduce - you need to bypass the 3NT to show it in your example.
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### #4002012

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Posted 2016-October-30, 05:14

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### #5lycier

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Posted 2016-October-30, 08:39

002012, on 2016-October-30, 05:14, said:

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### #6002012

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Posted 2016-October-30, 19:34

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### #7shisun

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Posted 2016-November-23, 05:40

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### #8002012

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Posted 2016-December-06, 02:52

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