BBO Discussion Forums: 现代二盖一方法：不寻常的2NT争叫后的防守 - BBO Discussion Forums

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现代二盖一方法：不寻常的2NT争叫后的防守

#21 User is offline   zyp163 

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Posted 2012-December-21, 09:43

还有一个叫品未使用：加倍。
国家集训队精确体系里将这时的加倍设计为，对OPP其中之一花色的加倍。不知道使用效果如何？
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#22 User is offline   xuefeier 

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Posted 2012-December-21, 22:04

好！应该经常会碰到。
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