藍玉 : 期望值是0的bet有時該接、有時不 - 撲克牌
By Rachel
at 2015-07-07T05:40
at 2015-07-07T05:40
Table of Contents
藍玉 : 期望值是0的bet有時該接、有時不該
。
假設開k、q、7 ; 底池1000 ; 還有兩張沒開
對方下了2000
你的手牌是j、10,那你要不要跟呢??? 你跟的話你等於是用2000去拼3000,可是開順的
機率只有31%,期望值為負,公式 :
69/100 x (-2000) + 31/100 x (+3000) = -470
也就是說呢,假設他第四張沒喊,你玩這個遊戲你還是平均會輸470
。
可是一般人憑直覺來說的話會跟,實際上也應該是要跟才對,why???
。
因為你買順買到了他也不知道
開k、q、7,底池才1000,他下了2000,代表他一定覺得非常大,可能是三條k、kq two
pair,或者k帶a,總之他下那麼大,他一定會覺得自己很大,然後繼續下,就算順真的開
出來了,但是他也不可能知道
k、q、7,第四張開9的話,他就知道你有順了嗎??? 不可能,一般來說他一開始下很大,
後來就會繼續下很大了,根本不會管你開出了什麼,而且你順真的開出來了也看不出來
既然你開順都看不出來了,第四張你下5000他還是會跟,也就是說呢,這個公式是錯的
:
69/100 x (-2000) + 31/100 x (+3000) = -470
↑因為這個公式只是算開出來你會賺還是賠而已,根本沒有把「開出來之後可以繼續下」
算進去,你順開出來了,他根本不知道,你下個5000他還是會跟的
。
這裡我就要順便跳出來講解一下 : 順根本看不來
順幾乎一定會開出來,只是看對方有沒有牌而已,怎麼說呢
假設開a、2、6、7、10,那如果有89的人就有順了,可是你怎麼可能看到a、2、6、7、10
就知道對方一定有順呢???
你可以隨便拿撲克牌出來湊,只要兩張沒重複,幾乎一定會有順,我隨便再舉例 : 2、3
、6、10、j也有順,拿45的人就順了
。
反正我跟你講,期望值這種東西,公式根本就是錯的,那個公式的意思只是「開出來的時
候你賺還是賠」,可是問題是開出來可以繼續下啊,所以真實的情況沒有公式表達得那麼
簡單
。
但是呢,還有一個問題 !!!
開k、q、7,底池是1000,對方如果2萬all in 呢,那就不用跟了,因為如果你也all 兩
萬,那就是開了就開了,開了也沒辦法繼續下,那麼你等於是用2萬在拼2萬1,但是你的
勝率只有31%,因此就不用跟了
。
總之我只想跟你們講,公式是死的,人是活的,還是應該要瞭解公式的基本內涵,然後加
以活用才行
--
一直到了今天,蘋果日報、自由時報、聯合聯+yahoo新聞紛紛說我是部落客,我才驚覺我
是個部落客,在此之前我都以為我只是平凡個碩士生而已
--
。
假設開k、q、7 ; 底池1000 ; 還有兩張沒開
對方下了2000
你的手牌是j、10,那你要不要跟呢??? 你跟的話你等於是用2000去拼3000,可是開順的
機率只有31%,期望值為負,公式 :
69/100 x (-2000) + 31/100 x (+3000) = -470
也就是說呢,假設他第四張沒喊,你玩這個遊戲你還是平均會輸470
。
可是一般人憑直覺來說的話會跟,實際上也應該是要跟才對,why???
。
因為你買順買到了他也不知道
開k、q、7,底池才1000,他下了2000,代表他一定覺得非常大,可能是三條k、kq two
pair,或者k帶a,總之他下那麼大,他一定會覺得自己很大,然後繼續下,就算順真的開
出來了,但是他也不可能知道
k、q、7,第四張開9的話,他就知道你有順了嗎??? 不可能,一般來說他一開始下很大,
後來就會繼續下很大了,根本不會管你開出了什麼,而且你順真的開出來了也看不出來
既然你開順都看不出來了,第四張你下5000他還是會跟,也就是說呢,這個公式是錯的
:
69/100 x (-2000) + 31/100 x (+3000) = -470
↑因為這個公式只是算開出來你會賺還是賠而已,根本沒有把「開出來之後可以繼續下」
算進去,你順開出來了,他根本不知道,你下個5000他還是會跟的
。
這裡我就要順便跳出來講解一下 : 順根本看不來
順幾乎一定會開出來,只是看對方有沒有牌而已,怎麼說呢
假設開a、2、6、7、10,那如果有89的人就有順了,可是你怎麼可能看到a、2、6、7、10
就知道對方一定有順呢???
你可以隨便拿撲克牌出來湊,只要兩張沒重複,幾乎一定會有順,我隨便再舉例 : 2、3
、6、10、j也有順,拿45的人就順了
。
反正我跟你講,期望值這種東西,公式根本就是錯的,那個公式的意思只是「開出來的時
候你賺還是賠」,可是問題是開出來可以繼續下啊,所以真實的情況沒有公式表達得那麼
簡單
。
但是呢,還有一個問題 !!!
開k、q、7,底池是1000,對方如果2萬all in 呢,那就不用跟了,因為如果你也all 兩
萬,那就是開了就開了,開了也沒辦法繼續下,那麼你等於是用2萬在拼2萬1,但是你的
勝率只有31%,因此就不用跟了
。
總之我只想跟你們講,公式是死的,人是活的,還是應該要瞭解公式的基本內涵,然後加
以活用才行
--
一直到了今天,蘋果日報、自由時報、聯合聯+yahoo新聞紛紛說我是部落客,我才驚覺我
是個部落客,在此之前我都以為我只是平凡個碩士生而已
--
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