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〖电机专栏〗和电机打牌42-59 如何叫

#81 User is offline   lxt08 

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Posted 2013-June-17, 17:12

谢谢7兄

最近在看一本书,桥牌中的扣叫,对试满贯有了些新的认识.
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#82 User is offline   madongjun 

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Posted 2013-June-17, 18:01

世界第七的叫牌就不错。
我觉得失去满贯的原因主要是南不该直接3NT的。
进局进程已经建立,在3♦后直接扣3♥是理所当然的选择。
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#83 User is offline   madongjun 

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Posted 2013-June-17, 18:11

北家选择了一个逆叫进程来显示这手牌,本也无可厚非。
我觉得叫到满贯也正常,只是将牌的中间张少了点儿。

看着四手牌,也许北略微调低自己所持一手牌的估值,在同伴1♠后跳叫3♦,结果可能比实战好些。
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#84 User is offline   sungh 

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Posted 2013-June-17, 20:16

我是北家的话开叫2NT,大牌分散,方块的长度点,我估值为20P的均型牌。
正确的判断来自经验,而经验常常来自错误的判断。

寻找自己的错误才是学习桥牌的唯一进步方法
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#85 User is offline   HeartA 

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Posted 2013-June-18, 16:52

北的19大牌点分布得不好,除了一个不错的D套,一大半在短套。逆叫扭曲了牌,不如跳叫2NT。南再叫3H,北就知道低花大牌浪费很多,关键的S套缺乏大牌支持。除非南要继续,北不应该试探满贯。
Senshu
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#86 User is offline   lxl3256 

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Posted 2013-June-18, 18:53

1.整个叫牌过程感觉是扭曲的,主要原因就是2H的逆叫。
2.2H作为比较性叫品只有在PD明确显示没有H套时才可以利用进行技术性逼叫(比如:1D-P-1NT-P进程),而且该技术性逼叫一定是难以继续选择下一个叫品的不得以而为之。

3.本牌力中,感觉还是选择2NT跳叫好些,而且牌也很适合。
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#87 User is offline   wangzhi123 

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Posted 2013-June-19, 04:50

这牌精确!我当时在想离满贯的点力有点遥远!s上的点没用!奖牌强度!这牌打二盖一我会叫3h试探,精确让我退却
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#88 User is offline   wangzhi123 

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Posted 2013-June-19, 04:55

 lycier, on 2013-June-16, 19:04, said:

我也是这样理解。3nt也就是一个最佳落脚点,难道还有别的含义?

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#89 User is offline   wangzhi123 

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Posted 2013-June-19, 04:56

我的感觉是d很强的邀请!18'19直接3n
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#90 User is offline   hejiang 

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Posted 2013-June-19, 19:16

3N
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#91 User is offline   hejiang 

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Posted 2013-June-19, 19:22

 world7th, on 2013-June-17, 11:00, said:


3d=中限以上4张以上
3h扣叫,满贯兴趣
3s=扣叫
3nt=等待
4c=扣叫
4nt=h、c都没有输张了,核对关键张
5c=1或4关键张
7d=大满贯很有希望。


如果没有约定3NT是严肃3NT,担心北家PASS。在北家响应低花配合进局前提下的扣叫3S后,南家已知每门花色均有控制,可以发动4D问关键张。

4D:低花木
4H:4个关键张
5C:C花色控制问
5H:第三轮控制
7D:通过叫牌己知北家牌形为5242或5143,H花色没有失张,上7D
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#92 User is offline   lxt08 

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Posted 2013-June-19, 19:27

21世纪2/1中是这样说的

持19大牌点和适宜的牌型(通常5-3-3-2),开叫人可以直接加叫1N到3N.
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#93 User is offline   lxt08 

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Posted 2013-June-19, 19:33



西的牌
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#94 User is offline   HeartA 

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Posted 2013-June-20, 15:35

18-19点一般直接叫3NT。我认为1D-1NT-2NT应该是C短的15-17点牌(同伴的1NT应叫隐含C止张),比如5431,6331之类的牌。所以,东应该pass。
Senshu
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#95 User is offline   601821297 

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Posted 2013-June-20, 23:31

2NT表示好的18P以上的牌,如果约定使用麦克斯特罗斯约定叫那么这个2NT不保证均型
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#96 User is offline   lxt08 

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Posted 2013-June-21, 00:28

麦克斯特罗斯约定叫使用是指在开叫1S/1H 应叫1N后的 2N?
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