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ooo 提交于 2023-02-09 14:31 . 一些微调
\section{莫压四路\quad{}休爬二路}
\setcounter{tuxxx}{0}%图编号从1开始
{\heiti 题解}: 莫压四路,就是对方四路上的子,不要去连压(``压''是``压人''的省语),因为这样压是吃亏的,如图一所示。\par
\begin{psgopartialboard*}{(1,1)(7,12)}
%1
\stone{white}{c}{4}
\stone{black}{e}{3}
\stone{white}{g}{3}
\stone{black}{e}{5}
\stone{white}{d}{6}
\setcounter{gomove}{0}%步数编号从1开始
\move{e}{6}%1
\move{d}{7}%2
\move{e}{7}%3
\move{d}{8}%4
\move{e}{8}%5
\move{d}{9}%6
\end{psgopartialboard*}\par
休爬二路,就是不要在二路上连着爬,俗语说``七子沿边活也输'',如图二所示。\par
\begin{psgopartialboard*}{(1,1)(7,12)}
%2
\stone{white}{c}{4}
\stone{black}{e}{4}
\stone{white}{b}{6}
\stone{white}{c}{6}
\stone{black}{d}{6}
\stone{black}{e}{6}
\stone{black}{b}{7}
\stone{black}{c}{7}
\stone{white}{d}{7}
\stone{black}{b}{8}
\stone{white}{c}{8}
\stone{white}{c}{9}
\setcounter{gomove}{0}%步数编号从1开始
\move{b}{9}%1
\move{c}{10}%2
\move{b}{10}%3
\move{c}{11}%4
\move{b}{11}%5
\move{c}{12}%6
\end{psgopartialboard*}\par
通常的下法是一方在四路上压,另一方在三路上行,这就是互不吃亏,如图三所示。\par
\begin{psgopartialboard*}{(1,1)(7,12)}
%3
\stone{white}{c}{4}
\stone{black}{e}{3}
\setcounter{gomove}{0}%步数编号从1开始
\move{d}{5}%1
\move{c}{5}%2
\move{d}{6}%3
\move{c}{7}%4
\move{d}{7}%5
\move{c}{8}%6
\end{psgopartialboard*}\par
{\heiti 由来}:从``题解''知道了在四路长得空的一方便宜,压的一方吃亏,在二路爬则反之,在三路行两不吃亏。但这种理论是怎样产生的呢?请看图四(地线与势线):\\
\begin{psgoboard*}
%4
\stone{black}{c}{3}
\stone{black}{d}{3}
\stone{black}{e}{3}
\stone{black}{f}{3}
\stone{black}{g}{3}
\stone{black}{h}{3}
\stone{black}{j}{3}
\stone{black}{k}{3}
\stone{black}{l}{3}
\stone{black}{m}{3}
\stone{black}{n}{3}
\stone{black}{o}{3}
\stone{black}{p}{3}
\stone{black}{q}{3}
\stone{black}{r}{3}
\stone{black}{c}{4}
\stone{black}{c}{5}
\stone{black}{c}{6}
\stone{black}{c}{7}
\stone{black}{c}{8}
\stone{black}{c}{9}
\stone{black}{c}{10}
\stone{black}{c}{11}
\stone{black}{c}{12}
\stone{black}{c}{13}
\stone{black}{c}{14}
\stone{black}{c}{15}
\stone{black}{c}{16}
\stone{black}{c}{17}
\stone{black}{d}{17}
\stone{black}{e}{17}
\stone{black}{f}{17}
\stone{black}{g}{17}
\stone{black}{h}{17}
\stone{black}{j}{17}
\stone{black}{k}{17}
\stone{black}{l}{17}
\stone{black}{m}{17}
\stone{black}{n}{17}
\stone{black}{o}{17}
\stone{black}{p}{17}
\stone{black}{q}{17}
\stone{black}{r}{17}
\stone{black}{r}{4}
\stone{black}{r}{5}
\stone{black}{r}{6}
\stone{black}{r}{7}
\stone{black}{r}{8}
\stone{black}{r}{9}
\stone{black}{r}{10}
\stone{black}{r}{11}
\stone{black}{r}{12}
\stone{black}{r}{13}
\stone{black}{r}{14}
\stone{black}{r}{15}
\stone{black}{r}{16}
\stone{white}{d}{4}
\stone{white}{e}{4}
\stone{white}{f}{4}
\stone{white}{g}{4}
\stone{white}{h}{4}
\stone{white}{j}{4}
\stone{white}{k}{4}
\stone{white}{l}{4}
\stone{white}{m}{4}
\stone{white}{n}{4}
\stone{white}{o}{4}
\stone{white}{p}{4}
\stone{white}{q}{4}
\stone{white}{d}{5}
\stone{white}{d}{6}
\stone{white}{d}{7}
\stone{white}{d}{8}
\stone{white}{d}{9}
\stone{white}{d}{10}
\stone{white}{d}{11}
\stone{white}{d}{12}
\stone{white}{d}{13}
\stone{white}{d}{14}
\stone{white}{d}{15}
\stone{white}{d}{16}
\stone{white}{e}{16}
\stone{white}{f}{16}
\stone{white}{g}{16}
\stone{white}{h}{16}
\stone{white}{j}{16}
\stone{white}{k}{16}
\stone{white}{l}{16}
\stone{white}{m}{16}
\stone{white}{n}{16}
\stone{white}{o}{16}
\stone{white}{p}{16}
\stone{white}{q}{16}
\stone{white}{q}{5}
\stone{white}{q}{6}
\stone{white}{q}{7}
\stone{white}{q}{8}
\stone{white}{q}{9}
\stone{white}{q}{10}
\stone{white}{q}{11}
\stone{white}{q}{12}
\stone{white}{q}{13}
\stone{white}{q}{14}
\stone{white}{q}{15}
\end{psgoboard*}\par
在三路上放一圈黑子,四路上放白子,谁得空多呢?也许有人随口应道``白子多'',其实正好错了。白连子带空仅169个,而黑方却是192个。看来是黑方便宜了,但是在这里黑方多花了8手棋,所以三路和四路的价值还是相仿佛的。因此,三路叫地线,便于得地,四路叫势线,利于取势。图三符合这两不吃亏的原理,相比之下图一、图二的得失也明了了。\par
\tx (外势的价值):黑在三路行,白在四路压,黑每行一手得二目,这是比较易算的。白每长一手得几目呢?这就比较难算了,大致是最初三个子每个得1目,第四个以后每个递增1目,如图中数字标明。长到6个子时大致变成每子价值二目。越长得多价值越高,所以我们能看到对局中也不肯一直在三路上连长的,总想扳起头来。现在用图五和图一、图二对照,莫压四路、休爬二路的道理更清楚了。\par
\begin{psgopartialboard*}{(1,1)(7,11)}
%5
\stone{black}{c}{5}
\stone{black}{c}{6}
\stone{black}{c}{7}
\stone{black}{c}{8}
\stone{black}{c}{9}
\stone{black}{c}{10}
\stone{black}{c}{11}
\stone{white}{d}{5}
\stone{white}{d}{6}
\stone{white}{d}{7}
\stone{white}{d}{8}
\stone{white}{d}{9}
\stone{white}{d}{10}
\stone{white}{d}{11}
\markpos{\marklb{1}}{e}{5}
\markpos{\marklb{1}}{e}{6}
\markpos{\marklb{1}}{e}{7}
\markpos{\marklb{2}}{e}{8}
\markpos{\marklb{3}}{e}{9}
\markpos{\marklb{4}}{e}{10}
\markpos{\marklb{5}}{e}{11}
\end{psgopartialboard*}\par
\begin{psgopartialboard*}{(1,1)(7,11)}
%6
\setcounter{gomove}{0}%步数编号从1开始
\move{e}{3}%1
\move{c}{4}%2
\move{d}{5}%3
\move{c}{5}%4
\move{d}{6}%5
\move{c}{7}%6
\markpos{\marklb{A}}{d}{7}
\markpos{\marklb{B}}{c}{8}
\markpos{\marklb{C}}{d}{8}
\markpos{\marklb{D}}{d}{9}
\end{psgopartialboard*}\par
\tx (势与地):也有人不同意图五的说法,举出本图这个定式为例,这是众所周知的两分定式,但按照图五的计算法却是取势方吃亏了。而实际对局中这样下的人很多,而且白6必定要跳出去,如果连着在三路上爬,公认是得势一方便宜。图中白6跳出后,黑如A位压,白B位退,黑再C位压时,白方必然在D位扳起头来,所以黑A轻易也就不压了。\par
上述两种说法虽然稍有差异,但大义是相同的,就是认为三路和四路的价值很接近。\par
{\heiti 运用}:一样东西懂了就得用,用了才能熟。\par
\tx (习题):黑5飞起后,白该怎样下呢?如果信手A位压,就要蹈图一的复辙了,要诀告诉我们不要这样下,那么怎么办呢?\par
\begin{psgopartialboard*}{(1,1)(8,9)}
%7
\setcounter{gomove}{0}%步数编号从1开始
\move{c}{4}%1
\move{e}{3}%2
\move{g}{3}%3
\move{e}{5}%4
\move{d}{6}%5
\markpos{\marklb{A}}{e}{6}
\end{psgopartialboard*}\par
\tx (定式):根据上述道理产生了如本图的下法。白2这步棋,因为这时不能在3位压,又不愿单纯地在4位靠,被黑在左边拆,下在这里就不难理解了。\par
\begin{psgopartialboard*}{(1,1)(8,9)}
%8
\stone{black}{c}{4}
\stone{black}{g}{3}
\stone{white}{e}{3}
\stone{white}{e}{5}
\setcounter{gomove}{0}%步数编号从1开始
\move{d}{6}%1
\move{e}{8}%2
\move{e}{6}%3
\move{g}{4}%4
\move{d}{3}%5
\move{f}{3}%6
\move{g}{6}%7
\move{h}{3}%8
\end{psgopartialboard*}\par
黑3挺出到白8补,是常用的定式。看了这个图我们可以知道,定式是从棋理而来的。\par
\tx (逼迫):上图根据常识避开了``压四路'',本图黑1二间夹,白2大跳时,黑3是什么意思呢?\par
\begin{psgopartialboard*}{(1,1)(8,9)}
%9
\stone{black}{c}{4}
\stone{white}{e}{3}
\setcounter{gomove}{0}%步数编号从1开始
\move{h}{3}%1
\move{e}{6}%2
\move{d}{7}%3
\end{psgopartialboard*}\par
它就是利用常识来逼迫对方压四路,立意相当巧妙。\par
\tx (中计):白2压、黑3退均是正着。白4退,求稳健,正好中计,黑5后就成了图一那样的``压四路''了。\par
\begin{psgopartialboard*}{(1,1)(8,9)}
%10
\stone{black}{c}{4}
\stone{black}{h}{3}
\stone{white}{e}{3}
\stone{white}{e}{6}
\setcounter{gomove}{0}%步数编号从1开始
\move{d}{7}%1
\move{e}{7}%2
\move{d}{6}%3
\move{e}{5}%4
\move{d}{8}%5
\end{psgopartialboard*}\par
\tx (定式):现在白4长是正着,头高一路,随时可在四路曲,就算不得压四路了。这样黑5扳出当然,到16止,黑得实地,白得外势,两不吃亏。在这里白宁肯弃子,不压四路,我们可由此加深认识。\par
\begin{psgopartialboard*}{(1,1)(8,9)}
%11
\stone{black}{c}{4}
\stone{black}{h}{3}
\stone{white}{e}{3}
\stone{white}{e}{6}
\setcounter{gomove}{0}%步数编号从1开始
\move{d}{7}%1
\move{e}{7}%2
\move{d}{6}%3
\move{e}{8}%4
\move{e}{5}%5
\move{f}{5}%6
\move{f}{4}%7
\move{e}{4}%8
\move{d}{5}%9
\move{g}{4}%10
\move{f}{3}%11
\move{g}{3}%12
\move{f}{2}%13
\move{g}{2}%14
\move{e}{2}%15
\move{g}{5}%16
\end{psgopartialboard*}\par
\tx (初学者的想法):初学围棋的同志的思考方法往往是一直线的,他们爱在6、8位压,然后10位夹攻,想当然地认为黑棋必定在11位跳,白12刺,14再压,16跳封,猛攻黑棋。有时这样一下很快就取得了优势,随即就把6、8这种不合棋理的下法视为成功的经验。\par
\begin{psgopartialboard*}{(1,1)(10,11)}
%12
\setcounter{gomove}{0}%步数编号从1开始
\move{c}{4}%1
\move{e}{3}%2
\move{g}{3}%3
\move{e}{5}%4
\move{d}{6}%5
\move{e}{6}%6
\move{d}{7}%7
\move{e}{7}%8
\move{d}{8}%9
\move{k}{4}%10
\move{g}{5}%11
\move{h}{4}%12
\move{g}{4}%13
\move{e}{8}%14
\move{d}{9}%15
\move{h}{6}%16
\markpos{\marklb{A}}{d}{3}
\end{psgopartialboard*}\par
可是,在棋谱上,高手是绝少这样下的。因为黑11时的下法非常之多,可以在14位曲,A位顶,轻灵地舍弃黑3一子。\par
总之,在这里白方先走了吃亏的棋,然后再寄希望于10的攻击,这是不可取的。但初学者为什么爱用呢?因为我国古代的棋侧重于攻杀,至今一些县城的高手仍然有``胡杀不顾''的倾向,他们这样一走,很快把初学者杀败了,初学者便学到了类似他们的着法,久而久之,使自己的思路变得狭窄了。\par
\tx (习题):黑1到白12是一种常见的走法,它和征子有关。由于征子关系,过程中必然有一方走错了。现在黑方下,如果信手在A位长,就陷入和图二一样的窘境。\par
\begin{psgopartialboard*}{(1,1)(6,10)}
%13
\setcounter{gomove}{0}%步数编号从1开始
\move{e}{4}%1
\move{c}{4}%2
\move{d}{6}%3
\move{c}{6}%4
\move{c}{7}%5
\move{d}{7}%6
\move{e}{6}%7
\move{c}{8}%8
\move{b}{7}%9
\move{b}{6}%10
\move{b}{8}%11
\move{c}{9}%12
\markpos{\marklb{A}}{b}{9}
\markpos{\marklb{B}}{c}{5}
\end{psgopartialboard*}\par
\tx (恶果):在水平较低的同志中,有人到此不知如何是好,怕三子被吃,姑且爬出去再说。水平稍强些的人又会想:先爬几个吃点亏,回头再来吃你的角。这两种想法虽然不一样,但后果是一样的。\par
黑1爬,白2退,黑7、9是次序,走到白14时,黑已活。15回头攻角,但到18白是活棋。这一结果黑角上所得抵不了边上爬二路所失,黑方吃亏了。\par
\begin{psgopartialboard*}{(1,1)(7,19)}
%14
\stone{black}{b}{7}
\stone{black}{b}{8}
\stone{black}{c}{7}
\stone{black}{d}{6}
\stone{black}{e}{6}
\stone{black}{e}{4}
\stone{white}{b}{6}
\stone{white}{c}{4}
\stone{white}{c}{6}
\stone{white}{c}{8}
\stone{white}{c}{9}
\stone{white}{d}{7}
\setcounter{gomove}{0}%步数编号从1开始
\move{b}{9}%1
\move{c}{10}%2
\move{b}{10}%3
\move{c}{11}%4
\move{b}{11}%5
\move{c}{12}%6
\move{c}{3}%7
\move{b}{3}%8
\move{d}{4}%9
\move{b}{5}%10
\move{b}{12}%11
\move{c}{13}%12
\move{b}{13}%13
\move{c}{14}%14
\move{c}{2}%15
\move{b}{2}%16
\move{b}{1}%17
\move{a}{4}%18
\end{psgopartialboard*}\par
\tx (征子):黑1打、3压,是常用手筋,征子有利时A、B必得其一,图十三中白8、10的下法便不能成立。在征子不利时,黑1、3即不能奏效,所以图十三中黑7就要改在B位打,另换一个定式而不可因循苟且。\par
\begin{psgopartialboard*}{(1,1)(6,10)}
%15
\stone{black}{b}{7}
\stone{black}{b}{8}
\stone{black}{c}{7}
\stone{black}{d}{6}
\stone{black}{e}{6}
\stone{black}{e}{4}
\stone{white}{b}{6}
\stone{white}{c}{4}
\stone{white}{c}{6}
\stone{white}{c}{8}
\stone{white}{c}{9}
\stone{white}{d}{7}
\setcounter{gomove}{0}%步数编号从1开始
\move{d}{8}%1
\move{e}{7}%2
\move{d}{9}%3
\markpos{\marklb{A}}{f}{7}
\markpos{\marklb{B}}{c}{10}
\end{psgopartialboard*}\par
{\heiti 例外}:``莫压四路、休爬二路'',不是死教条,它在一定的条件下生存,在一定的条件下转化。\par
\tx :黑1到5是二间高夹中常用的下法,白6以下构思独特,连压五路。虽然这样下不是最常见,却不失为一法。原因是左边有较坚实的处于低位的白子,黑在这边得不了应有的空,五路长的价值相应变小。\par
\begin{psgopartialboard*}{(1,1)(8,12)}
%16
\stone[\marktr]{white}{c}{11}
\setcounter{gomove}{0}%步数编号从1开始
\move{c}{4}%1
\move{e}{3}%2
\move{h}{4}%3
\move{f}{4}%4
\move{e}{5}%5
\move{f}{5}%6
\move{e}{6}%7
\move{f}{6}%8
\move{e}{7}%9
\move{f}{7}%10
\move{e}{8}%11
\end{psgopartialboard*}\par
\tx :这是林海峰十段(当时)执白对加藤正夫八段(当时)在1976年第14期十段赛中下的一局棋。白断时,黑本手大概在A位长吧,可是加藤竟一直连压六路。因为黑上边广阔,所以可行。当然这种下法未必就好,但总不失为一种灵活变通吧。\par
\begin{psgoboard*}
%17
\stone{black}{f}{3}
\stone{black}{f}{15}
\stone{black}{f}{17}
\stone{black}{k}{4}
\stone{black}{m}{17}
\stone{black}{n}{17}
\stone{black}{o}{15}
\stone{black}{o}{16}
\stone{black}{o}{18}
\stone{black}{p}{14}
\stone{black}{p}{17}
\stone{black}{q}{3}
\stone{black}{q}{9}
\stone{black}{q}{16}
\stone{black}{r}{16}
\stone{white}{c}{11}
\stone{white}{d}{4}
\stone{white}{d}{6}
\stone{white}{d}{15}
\stone{white}{d}{17}
\stone{white}{n}{16}
\stone{white}{p}{15}
\stone{white}{p}{16}
\stone{white}{q}{15}
\stone{white}{q}{17}
\stone{white}{r}{14}
\stone{white}{r}{17}
\stone{white}{s}{16}
\stone[\marktr]{white}{o}{14}
\markpos{\marklb{A}}{p}{13}
\setcounter{gomove}{0}%步数编号从1开始
\move{n}{14}%1
\move{o}{13}%2
\move{n}{13}%3
\move{o}{12}%4
\move{n}{12}%5
\move{o}{11}%6
\move{n}{11}%7
\move{o}{10}%8
\move{n}{10}%9
\move{o}{9}%10
\move{q}{6}%11
\end{psgoboard*}\par
{\heiti 小结}:我们看了十几个图,明确了``莫压四路、休爬二路''它的根本是个价值问题。在一般的情况下适用,在价值起变化的时候是可以变通的。例如图十六使对方变小,图十七使自己变大,这是指压四路。至于有人要问能不能爬二路,只能回答也能爬。何时能爬?有便宜时。何为便宜?大致是爬后能吃人一块,但还要视局势来定。``莫压四路、休爬二路''只限于布局时用,中盘以后就不一样了,更不必说是收官时。\par
\clearpage
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棋理与要诀_过惕生沈果荪
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