關於那所謂的神之一手 - 圍棋
By Jessica
at 2016-03-14T23:18
at 2016-03-14T23:18
Table of Contents
這次李世石贏了,雖然很高興,但是最讓人驚心動魄的 78 手也成為關注的焦點。
在賽中直播時古力稱之為"神之一手",而媒體也跟著引用了 78 手為"神之一手"。
然而,不管這手棋有沒有起上一定的作用,是不是有問題(後來職業棋手研究可能
某種程度上的疑問,因為似乎有解圍棋 TV),這手棋我都認為都算是鬼手,使用
神之一手,我覺得並不是太恰當。
如果,這手棋不是能一下下去,就致對方於死地,而是要考驗對方,看對方會
不會失誤,那這手棋以術語來說,理當稱之為"勝負手"。
圍棋我認為終究不是一個結果論的遊戲,電腦因為李世石下出 78 手出現了狀況,
而 Google 說 78 手給電腦造成了很大的壓力以至於發生了誤判情形,但是在 87
手 AlphaGo 自己判斷出前面的 79手 出現了某種程度上的失誤。那是他當時根本
沒有判斷到這手將帶來的麻煩?所以就忽略過去。從棋的角度上來看,就像是你被
別人隨便點一手,你當下以為沒什麼,後來對方開始征子你才發現,幹!我剛剛誤
判,大概是這種感覺。
還是說真的就是一瞬間 AlphaGo 的誤判,誤判了那手棋的價值,是怎樣的誤判?我個
人認為 Google 並沒有說的很清楚,是 AlphaGo 覺得已經殺死了所以誤判,還是他覺
得對方已經活了,所以乾脆不下了?AlphaGo 直到發現自己形勢,出現了一定程度上的
變化,從棋理角度上來說這手棋正確的對應方式只有一條,而正確的應對方式變化需
要計算到超過20手(如果含殺死白棋),而 Google 的設計會不會可以計算到後續 20
多手的死活,我就不清楚了,而且其中還會發生"類似"打劫的棋,當然那並不是打劫。
而 AlphaGo 我個人認為他是會避開劫爭的。
其他條路(錯誤的走法),都會走向類似的結果,都是李世石一定可以獲得中央逃出些
棋子的利益,所以我會質疑是 AlphaGo 判斷是死還是活?才導致這方面的誤判。是
AlphaGo 認為不管怎樣這棋他都殺不掉了?還是他認為這棋不管怎樣都是死的?我認
為,不管是哪一種他都是一個計算上的失誤,但 Google 似乎有必要把這誤判詳細交
代清楚。
也就是說選擇只有一條,AlphaGo 是沒算到正確的殺路,還是一直認為裡面那些白子
都是死的,但在 87 手,才發現裡面白子可以活?
以下 圍棋 TV 解說反擊(唯一正確的路)
圍棋TV張東岳極速點評白78手變化:https://goo.gl/Ho8B3O
僅僅擺 18 手,後續攻殺列入計算,對 AlphaGo 是否還能算的清楚?
http://i.imgur.com/T8ukVVV.png
當然有些人,可能會跟我說 AlphaGo 不會去判斷死活,但他總要判斷一些東西來
計算勝率,所以我對這邊還是挺有疑問,想要請大家來討論看看。
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圍棋
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