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用二盖一如何叫出7D大满贯

#1 User is offline   lucy_shb03 

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Posted 2015-January-15, 19:26



1.3♠示♣单张；
2.4♣接力问失张；
3.4♥=4失张。
我们不认为2/1与Sayc的2♦弱阻实战效果有多好，所以腾出这个叫品赋予新的内容，本局打出全场最高分，其他136队叫出3NT\5D\6D的都有。
意大利世界冠军Versace是否开叫的那副牌例，按照桥牌世界标准是开叫2S的教科书式案例，别小视了桥牌世界标准，我们和曾获得BBO月赛冠军的选手大战36个回合胜出，和国内某个独创体系激战两个晚上部落下风。回到本局，用二盖一您如何叫出7D大满贯？
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#2 User is offline   lycier 

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Posted 2015-January-15, 20:01


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#3 User is offline   dillon561 

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Posted 2015-January-23, 20:55

View Postlycier, on 2015-January-15, 20:01, said:



好，只要北及时叫出第二套♦，南加叫3♦确定将牌，再通过低花木问叫和合理控制展示，北一样能把握住整手牌的持牌情况了，7♦不难叫出。
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