xhq Posted October 2, 2013 Report Share Posted October 2, 2013 防守有将定约的首攻,传统的规则严格禁止从A中低引。其背后的逻辑是,如果有人是单张 ,持A低引很可能损失一个赢墩。除此之外,如果庄家在这门花色上有大牌,低引可能让他便宜地吃到一墩。这条规则广泛适用,但例外情况在所难免。最重要的例外情况是,敌方叫到满贯并且明手显示在一门花色有K,而你持有这门花色的A。低引将使庄家面临猜测而他多半会猜错。比如在下面这样一个叫牌进程中:[hv=d=n&v=0&b=1&a=1dp1hp3hp3sp4dp5hp6hppp]133|100[/hv]明手肯定有梅花第二轮控制,因为南家跳叫5♥要求北家有♣控制的情况下叫到满贯,而北家遵命而为。而且,北家肯定没有♣第一轮控制,因为他没有在3♠之后扣叫4♣.依据分析,西家应该在持双张、三张带A或者Q时首攻小♣。南家和北家的牌多半是这样:[hv=pc=n&s=saqhqjt863dk4cj72&n=s83hak42daqj72ck9]133|200[/hv] Quote Link to comment Share on other sites More sharing options...
yunling Posted October 2, 2013 Report Share Posted October 2, 2013 4♦难道不是否认♣控制? Quote Link to comment Share on other sites More sharing options...
000ffj Posted October 3, 2013 Report Share Posted October 3, 2013 通常对手没有问ace的情况下,我还是倾向于ca首攻,也许对手还差一个a,比如缺少sa,甚至将牌a或者k. Quote Link to comment Share on other sites More sharing options...
xuefeier Posted October 5, 2013 Report Share Posted October 5, 2013 不错的防守技术,可以视情况用 Quote Link to comment Share on other sites More sharing options...
wuhuan Posted October 9, 2013 Report Share Posted October 9, 2013 是——能把庄家搞蒙。跳叫5H后要求同伴有C套第二轮控时叫到6,受启发。 Quote Link to comment Share on other sites More sharing options...
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