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如何合理的叫上7NT? 请教

#1 User is offline   madongjun 

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Posted 2013-September-08, 17:33

你和你的搭档是第一次搭档,你拿到了一手非常好的牌,2/1体系,开叫了2,得到同伴正应叫2,你的4N按体系表示28-30Hcp,问题:
1、同伴的5是什么意思?
2、2/1体系,叫到7N合理吗?
3、如果合理,如何叫到7N?
你和你的搭档持牌及叫牌如下,由于是第一次搭档,你在同伴5后直接跳进了7N。

首攻的是黑桃8,坐庄没有难度。
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#2 User is offline   madongjun 

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Posted 2013-September-08, 17:44

此牌是2013年9月7日19:47于BBO所实战的。
请教:同伴按体系应该应叫2表示负应叫,如果是这样的进程,还能叫上7N吗?如何叫呢?
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#3 User is offline   nbxkh 

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Posted 2013-September-08, 18:44

叫上7nt,太难,完全是撞大运。专家叫牌,一般分寸,也就6nt了吧
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