CHINA_TD Posted October 30, 2012 Report Share Posted October 30, 2012 下面这副牌是BBO的一场比赛中出现的，有3牌桌，3桌都是一样的定约，一样的结果北开叫2NT，南加叫进局，似乎顺理成章，只是运气欠佳，大家认为北的牌开2NT好不好，换成你也是开叫2NT吗？[hv=pc=n&s=s43hat94dt9752cjt&w=sk987h632dj4caq53&n=saqj2hkq5dakq6c97&e=st65hj87d83ck8642&d=n&v=0&b=1&a=2np3nppp]399|300[/hv] Quote Link to comment Share on other sites More sharing options...
madongjun Posted October 30, 2012 Report Share Posted October 30, 2012 我也会选择开叫2NT，4432的牌型，20－21HCP的牌力。 Quote Link to comment Share on other sites More sharing options...
sungh Posted October 30, 2012 Report Share Posted October 30, 2012 开叫2NT没有问题吧。问题是如何找到♥的莫耶斯配合。 Quote Link to comment Share on other sites More sharing options...
cqwbc Posted October 30, 2012 Report Share Posted October 30, 2012 我拿南家的牌 我会叫3C 寻找H配合 Quote Link to comment Share on other sites More sharing options...
gamebridge Posted October 31, 2012 Report Share Posted October 31, 2012 当然是开2NT了。每一副叫牌都把牌清表达的清清楚楚明明白白是不可能的。 小双张不一定遇上同伴弱套。遇上了,对方不一定攻。攻了,不一定能兑现。能兑现不一定会兑现。又,同伴不一定就是打无将…… Quote Link to comment Share on other sites More sharing options...
yin970902 Posted November 1, 2012 Report Share Posted November 1, 2012 开叫2nt 通常要求每一门花色都有止张。这副牌不开2nt 开1d是很容易叫到4h或5d的；另一方面，应叫人的直接3nt欠妥当。moyesian fit 在2nt 开叫后较难找到。 Quote Link to comment Share on other sites More sharing options...
lycier Posted November 1, 2012 Report Share Posted November 1, 2012 我是这样想的，双张小不是开叫强弱1nt和强2nt的障碍，正如4441牌型都不是弱无将的障碍那样，本不是什么问题，不能凭借一副牌的得失或是否买单就能轻下结论的。就拿这幅牌而言，你大可不必因噎废食，就开2nt！因为我害怕一阶开叫丢局呢，比如我方单有局，同伴持有：S:K9876H:JXD：XXC:XXXX当你一阶开叫低花吧，单有局况不适合应叫吧，那么结果丢失多少大分！要知道牌型分布的不可预测性，造化弄人，也就造成了世界上没有完美的体系，只有相对的概率，没有100%的绝对，桥牌也就是概率的游戏，道理如此。 Quote Link to comment Share on other sites More sharing options...
hejiang Posted November 1, 2012 Report Share Posted November 1, 2012 开叫2NT，如果不开叫2NT，那么面临再叫困难。 Quote Link to comment Share on other sites More sharing options...
sleekrain Posted November 1, 2012 Report Share Posted November 1, 2012 开2N没有问题，后面可以审时度势调整，特别是南家不能放弃对高花寻求，毕竟同伴甚至是带5张高花的2N。当发现南家有4张H，感觉C空挡，打4H不失一种最佳选择。 Quote Link to comment Share on other sites More sharing options...
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