什么是桥牌中的魔鬼战术?两张时1-1分布的概率是多少?

RT
2025-02-28 14:18:10
推荐回答(4个)
回答1:

桥牌中的魔鬼战术是指人们认为牌很难打,只有使用魔鬼战术才能打成吧!

我不记得是欧洲的哪个国家在一次普通的桥牌双人比赛中,规定谁先叫上大满贯并做成可得一个特别的奖。所谓“重赏之下,必有勇夫”,有一位牌手叫上了一个看似根本没机会做成的大满贯定约7S,但最后他神奇地做成了,人们称他所用的战术打法为“魔鬼战术”。牌的分布是大致这样的:
N家:S:A 10 8 5
H:A K Q×
D:K Q ×
C:K ×

S家:S:K 9 7 6
H:× ×
D:A××
C:A×××
E,W两家的黑心分布为:2-3且QJ分开。
这付牌正常情况下7S肯定不成,但有一条成牌的可能让南家找到了-----------
这条路线如何设计,一时说不清。可以自己先琢磨,如不行再百度Hi我

1-1分布的概率是为52%,而不是50%。这可以这样理解:
因为桥牌中一把牌每人各13张,如一张落在某一家,则另一张落在另一家的概率为13/(13+12)=52%

祝进步!

回答2:

魔鬼:
最简单的牌型
你打7s 前面得到了10顿,最后3张牌
sk9
hx
sjx s qxx

hx
satx
地下出h,你只好将吃, 如果你大将吃,暗手盖吃,然后飞死西, 这样就打死了你的王牌赢顿。魔鬼一般都是自动打出来的, 需要特定的分配。
2张1-1是52, 0-2 是48。

回答3:

1-1分布的概率为52%

回答4:

1、魔鬼妙招,使一个看起来必失将牌输墩消失的妙招

---------S J842
---------H K105
---------D K6
---------C A974
S AK73------------S Q965
H J86-------------H Q7
D 932-------------D QJ84
C J105------------C 832
---------S 10
---------H A9432
---------D A1075
---------C KQ6

南做6H定约,西家首攻SK、赢得第一墩后继续攻SA,南家将吃。由于联手将牌太弱,加上S已经丢失一墩,所而外面H花色上Q、J双张的可能性微乎其微,所以这副牌做成的可能性很小。
南家是位大师,他用明手吃进第二墩S后,兑现CK-Q及明手的CA,看到对方的C为3-3分布;庄家随即兑现明手的DK,接着再换出S8给手中的H3将吃;庄家兑现手中的DA并续出D7给明手的H5将吃,明手回出SJ,庄家以H4将吃掉东家跟出的SQ,并且欣喜地看到西家又跟出S7。此时的残局如下:

---------S
---------H K10
---------D
---------C 9
S ----------------S
H J86-------------H Q7
D ----------------D Q
C ----------------C
---------S
---------H A9
---------D 10
---------C

南家从手中打出D10,西家为难了:由于西家手中只剩原封未动的三张红心,因而不得不将吃,可他该打出哪张牌来将吃呢?显然,西家在此若出小红心将吃,则庄家只需要H10盖吃并兑现HK,即可凭其手中的HA拿到最后一墩牌而做成小满贯。实战中,西家再次打出HJ,但是这并未能阻止庄家完成定约:在已知对方的红心为3-2分布且尚未露面的DQ在东家手中之前提下,庄家只能寄希望于东家还持有HQ!当然,倘若是西家原本持有HQ-J-X三张将牌,那么定约本来就无法获得成功;而果然如此的话,在自己冒险叫上6H后西家便很可能要叫出“加倍”。
于是,南家以明手的HK盖吃得进后便回出H10,并面对东家跟出的H7镇定地从手中放H9飞过……,就这样,南家神奇般地完成了这个看似“根本无法完成得”小满贯定约。
这一残局打法,在理论上被称为“魔鬼妙招”(Devil's Coup)。其含义是:庄家借助某种特定而有利的牌张分布和将吃打法,使防守方一个看似肯定的将牌赢墩最终消失。

2、你方持有某花色11张牌时,外面2张牌的分布概率为:
1-1分布52%,2-0分布48%(2张牌在特定一家的概率为24%)

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