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現代叫牌工具:XYZ約定叫及其拓展應用 XYZ convention including extended

#21 User is offline   hejiang 

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Posted 2012-September-05, 19:05

提一个问题:我方开叫,敌方加倍或争叫,应叫人负加倍,之后还有XYZ吗?,或者应叫人的加倍算不算是Y呢?例如,1C-(1S)-X-(pass)—1NT-(pass)-2C,应叫人的这个2C可以表述什么?开叫人该怎么叫?
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#22 User is offline   yunlongg 

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Posted 2012-September-05, 21:43

 hejiang, on 2012-September-05, 19:05, said:

提一个问题:我方开叫,敌方加倍或争叫,应叫人负加倍,之后还有XYZ吗?,或者应叫人的加倍算不算是Y呢?例如,1C-(1S)-X-(pass)—1NT-(pass)-2C,应叫人的这个2C可以表述什么?开叫人该怎么叫?


这个进程仍然使用xyz,重要的是,上面进程的后续叫品和 1c-p-1h-p;1nt-以后的后续叫品完全一样。那个负加倍,就相当于应叫方应叫了1h.
道,天与之。大人慎而求之,疑而避之,信而行之。无为,有为。
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#23 User is offline   000B1 

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Posted 2012-September-13, 18:27

碰到一副牌 请大家帮助一起分析,1C-1S-X-P-1NT-P-3C 因为没有约定,我PASS ,认为3C是示弱,理由是如果是逼叫,可以用扣叫,2D,邀叫,可以用2C,在1NT以后跳3C,是6-9点的C套加叫,谢谢大家!
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#24 User is offline   sungh 

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Posted 2012-September-14, 07:53

 yunlongg, on 2012-September-05, 21:43, said:

这个进程仍然使用xyz,重要的是,上面进程的后续叫品和 1c-p-1h-p;1nt-以后的后续叫品完全一样。那个负加倍,就相当于应叫方应叫了1h.

学习了!
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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#25 User is offline   shingkit 

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Posted 2012-September-15, 03:38

我再翻了翻哈代,我理解MTWS对于敌方竞叫之后还是适用,但XYZ则是不适用的。是否如此呢?
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#26 User is offline   9Ayy 

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Posted 2012-September-22, 23:05

请教:(1)P-1D-1H-1S-2C-2D-p
(2)P-1D-1H-1S-2D
在上面二个进程中,应叫人的牌有什么不同(应叫方是Pass过的)?
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#27 User is offline   wuhuan 

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Posted 2012-October-17, 09:44

看到这么多有关xyz约定的探讨——我想了许多......
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#28 User is offline   arter 

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Posted 2012-October-19, 18:08

MTWS在2c后再叫2NT表示应叫人有四张开叫低花。XYNT中没有提及,是否也要保证?
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#29 User is offline   yunlongg 

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Posted 2012-November-24, 05:21

 9Ayy, on 2012-September-22, 23:05, said:

请教:(1)P-1D-1H-1S-2C-2D-p
(2)P-1D-1H-1S-2D
在上面二个进程中,应叫人的牌有什么不同(应叫方是Pass过的)?


第二个进程 5+3-4不逼叫,开叫方改叫2止叫
道,天与之。大人慎而求之,疑而避之,信而行之。无为,有为。
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