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ooo 提交于 2023-02-09 14:31 . 一些微调
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\section{两打同情不打\quad{}后先有变须敲}
\setcounter{tuxxx}{1}%图编号从2开始
{\heiti 题解}:``两打同情不打'',是说左右两方面都可以打吃的时候,就应当保留,如图一所示:图中白方有A、B两处可打,所以应当保留变化,而在1位扳。\par
\begin{psgopartialboard*}{(1,1)(7,8)}
%1
\markpos{A}{d}{6}
\markpos{B}{e}{5}
\stone{black}{c}{6}
\stone{black}{d}{5}
\stone{black}{e}{3}
\stone{black}{e}{4}
\stone{white}{c}{3}
\stone{white}{c}{5}
\stone{white}{d}{4}
\setcounter{gomove}{0}%步数编号从1开始
\pass*
\move{b}{6}%1
\end{psgopartialboard*}
\begin{psgopartialboard*}{(1,1)(7,8)}
%2
\markpos{A}{d}{5}
\markpos{B}{e}{4}
\markpos{C}{b}{3}
\markpos{D}{c}{2}
\markpos{E}{d}{2}
\stone{black}{c}{4}
\stone{black}{d}{3}
\stone{white}{c}{3}
\stone{white}{d}{4}
\setcounter{gomove}{0}%步数编号从1开始
\move{e}{3}%1
\end{psgopartialboard*}\par
\tx :黑白双方四个子扭在一起,叫``扭十字'',这种情往往是一方到另一方形势中去腾挪而出现。这时黑1也不应当打,这也叫``十字不打''。\par
\begin{psgopartialboard*}{(1,1)(9,8)}
%3
\stone{black}{e}{4}
\stone{black}{f}{5}
\stone{black}{g}{4}
\stone{black}{g}{6}
\stone{white}{c}{4}
\stone{white}{d}{5}
\stone{white}{e}{5}
\stone{white}{f}{6}
\stone{white}{g}{7}
\setcounter{gomove}{0}%步数编号从1开始
\move{f}{7}%1
\move{e}{6}%2
\move{h}{6}%3
\end{psgopartialboard*}\par
\tx :现在黑在2位打的用处不大,如果单走3位,白很可能在1位粘,所以黑1先打是正着,这就是``后先有变须敲''敲和打是一样的。\par
{\heiti 理由}:有打先打,这是初学者易犯的毛病,两打同情不打是给对方留下弱点,如果一打,往往凑人走棋。\par
\begin{psgopartialboard*}{(1,1)(6,9)}
%4
\stone{black}{c}{6}
\stone{black}{d}{5}
\stone{black}{e}{3}
\stone{black}{e}{4}
\stone{white}{c}{3}
\stone{white}{c}{5}
\stone{white}{d}{4}
\setcounter{gomove}{0}%步数编号从1开始
\pass*
\move{d}{6}%1
\move{e}{5}%2
\move{b}{6}%3
\move{c}{7}%4
\move{b}{7}%5
\move{c}{8}%6
\end{psgopartialboard*}\par
\tx (恶手):图一情况,白1打,凑黑2位粘,白3打、5爬,黑走4、6,头在白之先,白不利明显。所以白1打是恶手。白1与黑2交换大亏。(在白方征子有利时,白1打后再4位打是可以考虑的)\par
\begin{psgopartialboard*}{(1,1)(6,9)}
%5
\markpos{A}{b}{5}
\stone{black}{c}{6}
\stone{black}{d}{5}
\stone{black}{e}{3}
\stone{black}{e}{4}
\stone{white}{c}{3}
\stone{white}{c}{5}
\stone{white}{d}{4}
\setcounter{gomove}{0}%步数编号从1开始
\pass*
\move{b}{6}%1
\move{c}{7}%2
\move{b}{7}%3
\move{c}{8}%4
\move{e}{5}%5
\move{d}{6}%6
\move{f}{5}%7
\end{psgopartialboard*}\par
\tx (好):现在白1不打,好。黑2如仍然长,经白3、黑4后,白5换个方向打,黑势化为乌有。所以白1扳是两打同情不打的好手。白1时先在5位打也是不行的,被黑6位粘后,白1就扳不动了。其中黑2在A位打,白粘,黑3位吃一子,白可6位双打,黑不行。\par
\begin{psgopartialboard*}{(1,1)(6,8)}
%6
\setcounter{gomove}{0}%步数编号从1开始
\move{e}{3}%1
\move{c}{3}%2
\move{d}{5}%3
\move{c}{5}%4
\move{c}{6}%5
\move{d}{4}%6
\move{e}{4}%7
\move{b}{6}%8
\move{d}{6}%9
\move{b}{7}%10
\move{c}{2}%11
\move{b}{2}%12
\move{b}{4}%13
\move{c}{4}%14
\move{d}{2}%15
\move{b}{3}%16
\end{psgopartialboard*}\par
\tx (定式):这个型是由黑据目外,白投三三走出来的。白8扳时,黑9粘是好手,白10长出是两不吃亏的定式。\par
两打同情不打的情况是经常遇到的,有时能使你不吃亏,有时能使你生出不少妙趣来。\par
{\heiti 运用}:在对局中第一步要做到见到``两打同情''时不去打它,第二步还需要主动去制造出``两打同情''来牵制对方。\par
\begin{psgopartialboard*}{(1,1)(9,10)}
%7
\stone{black}{c}{4}
\stone{black}{d}{3}
\stone{black}{e}{3}
\stone{black}{f}{2}
\stone{black}{f}{4}
\stone{black}{f}{5}
\stone{black}{f}{6}
\stone{black}{f}{7}
\stone{white}{e}{4}
\stone{white}{f}{3}
\stone{white}{f}{8}
\stone{white}{g}{2}
\stone{white}{g}{3}
\stone{white}{g}{4}
\stone{white}{g}{5}
\stone{white}{g}{7}
\end{psgopartialboard*}\par
\tx (习题):这是一间高挂定式的一型。黑先,该怎样下呢?\par
\begin{psgopartialboard*}{(1,1)(9,10)}
%8
\stone{black}{c}{4}
\stone{black}{d}{3}
\stone{black}{e}{3}
\stone{black}{f}{2}
\stone{black}{f}{4}
\stone{black}{f}{5}
\stone{black}{f}{6}
\stone{black}{f}{7}
\stone{white}{e}{4}
\stone{white}{f}{3}
\stone{white}{f}{8}
\stone{white}{g}{2}
\stone{white}{g}{3}
\stone{white}{g}{4}
\stone{white}{g}{5}
\stone{white}{g}{7}
\setcounter{gomove}{0}%步数编号从1开始
\move{g}{6}%1
\move{h}{6}%2
\move{e}{8}%3
\move{g}{8}%4
\move{e}{9}%5
\end{psgopartialboard*}\par
\tx (正解):黑1冲,破坏棋形,如果被白棋在这里粘,就很厚实了。白2挡后便出现了两打同情之势,黑3不打空扳,好棋。到黑5是常法。\par
\begin{psgopartialboard*}{(1,1)(9,10)}
%9
\stone{black}{c}{4}
\stone{black}{d}{3}
\stone{black}{e}{3}
\stone{black}{f}{2}
\stone{black}{f}{4}
\stone{black}{f}{5}
\stone{black}{f}{6}
\stone{black}{f}{7}
\stone{black}{g}{6}
\stone{white}{e}{4}
\stone{white}{f}{3}
\stone{white}{f}{8}
\stone{white}{g}{2}
\stone{white}{g}{3}
\stone{white}{g}{4}
\stone{white}{g}{5}
\stone{white}{g}{7}
\stone{white}{h}{6}
\setcounter{gomove}{0}%步数编号从1开始
\move{e}{8}%1
\move{f}{9}%2
\move{h}{7}%3
\move{g}{8}%4
\move{j}{6}%5
\move{h}{5}%6
\move{d}{8}%7
\end{psgopartialboard*}\par
\tx :白2如硬往前长,黑3打,再5打,破坏了黑方棋形,这是行棋的次序。\par
\begin{psgopartialboard*}{(1,1)(9,10)}
%10
\markpos{A}{f}{9}
\stone{black}{c}{4}
\stone{black}{d}{3}
\stone{black}{e}{3}
\stone{black}{f}{2}
\stone{black}{f}{4}
\stone{black}{f}{5}
\stone{black}{f}{6}
\stone{black}{f}{7}
\stone{black}{g}{6}
\stone{white}{e}{4}
\stone{white}{f}{3}
\stone{white}{f}{8}
\stone{white}{g}{2}
\stone{white}{g}{3}
\stone{white}{g}{4}
\stone{white}{g}{5}
\stone{white}{g}{7}
\stone{white}{h}{6}
\setcounter{gomove}{0}%步数编号从1开始
\move{h}{7}%1
\move{g}{8}%2
\move{j}{6}%3
\move{h}{5}%4
\move{e}{8}%5
\move{e}{7}%6
\move{e}{5}%7
\move{e}{9}%8
\move{d}{8}%9
\move{d}{9}%10
\end{psgopartialboard*}\par
\tx (先打恶):黑1先打是恶手,这样先将白棋走定形,就失去了变化。黑5扳时,白6绝不会在A退,本图与图九比较,得失自明。\par
\begin{psgopartialboard*}{(1,1)(9,10)}
%11
\stone{black}{c}{4}
\stone{black}{d}{3}
\stone{black}{e}{3}
\stone{black}{f}{2}
\stone{black}{f}{4}
\stone{black}{f}{5}
\stone{black}{f}{6}
\stone{black}{f}{7}
\stone{black}{g}{6}
\stone{white}{e}{4}
\stone{white}{f}{3}
\stone{white}{f}{8}
\stone{white}{g}{2}
\stone{white}{g}{3}
\stone{white}{g}{4}
\stone{white}{g}{5}
\stone{white}{g}{7}
\stone{white}{h}{6}
\setcounter{gomove}{0}%步数编号从1开始
\move{g}{8}%1
\move{h}{7}%2
\move{e}{8}%3
\move{f}{9}%4
\move{e}{9}%5
\move{e}{7}%6
\move{e}{5}%7
\move{e}{10}%8
\end{psgopartialboard*}\par
\tx (白厚):黑1打,再3连打,初学者以为这样下能使对方脱不开手,其实也是错着。白8扳后,白比图八厚实。\par
以上说明了现成的两打同情不去打它。现在还需要你能进一步——制造出两打同情来牵制对方。\par
\begin{psgopartialboard*}{(1,1)(19,8)}
%12
\stone{black}{c}{3}
\stone{black}{d}{4}
\stone{black}{d}{6}
\stone{black}{j}{4}
\stone{black}{p}{3}
\stone{black}{r}{4}
\stone{black}{r}{8}
\stone{white}{d}{2}
\stone{white}{f}{3}
\stone{white}{f}{5}
\stone{white}{j}{2}
\end{psgopartialboard*}\par
\tx (习题):左下是常见的二间高夹定式,假设现已进入中盘阶段,白中腹有孤棋,这时黑应怎样在下边定形?\par
\begin{psgopartialboard*}{(1,1)(19,8)}
%13
\markpos{A}{k}{2}
\markpos{B}{h}{4}
\markpos{C}{h}{1}
\stone{black}{c}{3}
\stone{black}{d}{4}
\stone{black}{d}{6}
\stone{black}{j}{4}
\stone{black}{p}{3}
\stone{black}{r}{4}
\stone{black}{r}{8}
\stone{white}{d}{2}
\stone{white}{f}{3}
\stone{white}{f}{5}
\stone{white}{j}{2}
\setcounter{gomove}{0}%步数编号从1开始
\move{g}{4}%1
\move{f}{4}%2
\move{h}{2}%3
\move{h}{3}%4
\move{j}{3}%5
\move{g}{2}%6
\end{psgopartialboard*}\par
\tx :黑1点是常用的,3跨是弃子战术,白6打时,黑留有A、B两方面的打,此时黑脱先走别处是正解。这样符合两打同情不打的棋理,给白方今后行棋制造了困难。要等到在某一方打明显有利时,抓住时机打吃,这就又用上了后先有变须敲了。何时有变?这个形大致要到大官子阶段。\par
\begin{psgopartialboard*}{(1,1)(10,8)}
%14
\markpos{A}{e}{7}
\markpos{B}{d}{6}
\markpos{C}{d}{7}
\markpos{D}{c}{8}
\stone{black}{d}{3}
\stone{black}{d}{4}
\stone{black}{d}{5}
\stone{black}{e}{2}
\stone{black}{e}{3}
\stone{black}{f}{4}
\stone{black}{j}{4}
\stone{white}{c}{2}
\stone{white}{c}{3}
\stone{white}{c}{4}
\stone{white}{c}{6}
\stone{white}{d}{2}
\stone{white}{f}{3}
\end{psgopartialboard*}\par
\tx (习题):这是点三三以后的结果,轮黑走时,A飞、B压、C跳、D拦四种下法多是常见的。假设现在情况是白在中腹有孤棋,但离左下黑子尚有一定距离。黑在A、B、C方面走怕被白在边上得空后,外势落空;如走D位,又是后手,同时又想切断中腹白子归路,这时有什么好办法呢?\par
\begin{psgopartialboard*}{(1,1)(7,9)}
%15
\markpos{A}{d}{6}
\markpos{B}{c}{7}
\stone{black}{d}{3}
\stone{black}{d}{4}
\stone{black}{d}{5}
\stone{black}{e}{2}
\stone{black}{e}{3}
\stone{black}{f}{4}
\stone{black}{j}{4}
\stone{white}{c}{2}
\stone{white}{c}{3}
\stone{white}{c}{4}
\stone{white}{c}{6}
\stone{white}{d}{2}
\stone{white}{f}{3}
\setcounter{gomove}{0}%步数编号从1开始
\move{c}{5}%1
\move{b}{5}%2
\move{b}{6}%3
\move{b}{7}%4
\end{psgopartialboard*}\par
\tx :黑1、3冲断,是初学者容易想到的,白4打时,黑再去攻中腹孤子,在左边保留A、B打的利用。黑的这种想法在一般情况下是吃亏的,但在上述特殊情况下往往很有力,意思有了,但具体着法不完善。\par
\begin{psgopartialboard*}{(1,1)(7,9)}
%16
\markpos{A}{d}{6}
\markpos{B}{b}{8}
\markpos{C}{c}{5}
\stone{black}{d}{3}
\stone{black}{d}{4}
\stone{black}{d}{5}
\stone{black}{e}{2}
\stone{black}{e}{3}
\stone{black}{f}{4}
\stone{black}{j}{4}
\stone{white}{c}{2}
\stone{white}{c}{3}
\stone{white}{c}{4}
\stone{white}{c}{6}
\stone{white}{d}{2}
\stone{white}{f}{3}
\setcounter{gomove}{0}%步数编号从1开始
\move{b}{6}%1
\move{b}{7}%2
\move{c}{7}%3
\move{b}{5}%4
\end{psgopartialboard*}\par
\tx (好手):本图黑1不冲而托是好手,白2扳时,黑3断亦好,保留A、B两打,要比上图的两打来得有效。所以图十六才是制造``两打''给对方留下负担的好手。其中白2如在C位粘,是甘愿吃点亏,黑也可满意。\par
从以上两题我们看到了在中盘战时,如何制造出``两打''来牵制对方。下面再举几个两打同情不打的常见图形。\par
\begin{psgopartialboard*}{(1,1)(7,11)}
%17
\markpos{A}{d}{5}
\markpos{B}{e}{7}
\markpos{C}{d}{8}
\markpos{D}{b}{6}
\markpos{E}{b}{5}
\markpos{F}{a}{7}
\stone{black}{b}{7}
\stone{black}{c}{4}
\stone{black}{c}{7}
\stone{black}{d}{4}
\stone{black}{d}{6}
\stone{black}{e}{6}
\stone{white}{b}{8}
\stone{white}{c}{5}
\stone{white}{c}{6}
\stone{white}{c}{8}
\stone[\marktr]{black}{f}{4}
\stone[\marktr]{white}{d}{7}
\end{psgopartialboard*}\par
\tx :黑在有\stone[\marktr]{black}子的情况,不必利用A位先手,对白\stone[\marktr]{white}一子有B、C两打,属于两打同情,应当保留。\par
黑在没有\stone[\marktr]{black}子的情况下,需要走A位先手,这时往往先在B位打,因为黑A、白D、黑E、白F后就打不到了,这就是后先有变须敲。\par
\begin{psgopartialboard*}{(1,1)(7,11)}
%18
\markpos{A}{e}{11}
\markpos{B}{d}{10}
\markpos{C}{e}{9}
\stone{black}{b}{2}
\stone{black}{b}{9}
\stone{black}{c}{3}
\stone{black}{c}{8}
\stone{black}{d}{3}
\stone{black}{d}{4}
\stone{black}{d}{6}
\stone{black}{d}{7}
\stone{black}{d}{8}
\stone{black}{e}{2}
\stone{black}{e}{3}
\stone{black}{e}{5}
\stone{black}{e}{6}
\stone{black}{f}{2}
\stone{black}{f}{6}
\stone{black}{g}{5}
\stone{white}{a}{4}
\stone{white}{b}{3}
\stone{white}{b}{8}
\stone{white}{b}{10}
\stone{white}{c}{4}
\stone{white}{c}{5}
\stone{white}{c}{6}
\stone{white}{c}{7}
\stone{white}{c}{9}
\stone{white}{d}{5}
\stone{white}{e}{4}
\stone{white}{f}{3}
\stone{white}{f}{4}
\stone{white}{f}{5}
\stone{white}{g}{2}
\setcounter{gomove}{0}%步数编号从1开始
\move{d}{9}%1
\move{c}{10}%2
\end{psgopartialboard*}\par
\tx :这是大斜定式的一型,有人觉得黑1打是当然的,有个别书也把黑1打划在定式内,其实黑1是不应当打的,也属于两打同情,因为黑伺机可2位打。除此之外,不打还有两个好处:一是留下一劫材;另外,这个型黑很可能成腹空,黑1打后,白2粘,以后可安然在A位飞,不打白反而不易出头。白如空走A位飞,黑可B位分断;又白如于1位挺,黑可C位扳。\par
本型保留不打的关键是黑外势坚固,白轻易不会在1位长,因长是后手,所以黑可不急于打。\par
通过以上两例我们又知道了,能保留时要尽量保留。\par
``尽量保留''话谁都会说,可是用起来就不同了。什么样的棋当留,什么样的棋不当留?这里有一个诀窍。\par
请细看图十三、图十六、图十七、图十八,我们能发现一个共同点,就是黑方保留变化之后,白方找不到一步高效率的棋来补净。例如图十三中白如在A位长,黑B打仍有效,而白A这个子就局促了;又白如B冲,黑可A打,白B一子也没大用。至于白C位提,自然是委曲的。其他各图请读者自己验证。\par
对方没有一步高效率的棋来补净,是保留不打的前提。如果对方有高效的棋来补净时,这就属于后先有变须敲了,这时如错过机会不打,被对方一手补净,自己反而吃亏。由此可见,``两打同情不打''和``后先有变须敲''既是对立的,又是统一的,而且会相互转化,行棋时必须辨别清楚。\par
{\heiti 辨别}\par
两打同情不打和后先有变须敲是对立的,属于哪一种情况需要辨别,辨别时主要方法是看对方的下一手。\par
\begin{psgopartialboard*}{(1,1)(10,10)}
%19
\markpos{A}{f}{4}
\markpos{B}{g}{3}
\markpos{C}{f}{1}
\markpos{D}{g}{4}
\markpos{E}{g}{5}
\markpos{F}{h}{4}
\markpos{G}{d}{2}
\markpos{H}{c}{2}
\stone{black}{c}{4}
\stone{black}{d}{4}
\stone{black}{d}{10}
\stone{black}{e}{3}
\stone{black}{e}{4}
\stone{black}{f}{2}
\stone{white}{c}{3}
\stone{white}{d}{3}
\stone{white}{e}{2}
\stone{white}{f}{3}
\stone{white}{g}{2}
\stone[\marktr]{black}{k}{4}
\end{psgopartialboard*}\par
\tx :这是常见的点三三定式,这时A、B两打能不能保留呢?\par
如果黑保留A位打,白下一手有C提、A挺两种下法:白C位提,以后黑A、白D、黑E、白F,结果白厚黑薄,白有利;白A位挺,以后黑G、白C、黑H,结果黑\stone[\marktr]{black}一子位置不好,也是白有利。\par
由此可知这个型黑A位的打是不能保留的。通过本图我们可以知道被对方补一手后,结果反而对自己不利的情况,属于必须先打之例。\par
\begin{psgopartialboard*}{(1,1)(7,10)}
%20
\markpos{A}{d}{10}
\markpos{B}{c}{9}
\stone{black}{c}{6}
\stone{black}{d}{5}
\stone{black}{d}{6}
\stone{black}{d}{7}
\stone{black}{d}{8}
\stone{black}{e}{3}
\stone{black}{e}{9}
\stone{white}{b}{6}
\stone{white}{c}{4}
\stone{white}{c}{5}
\stone{white}{c}{7}
\stone{white}{c}{8}
\stone{white}{d}{9}
\stone{white}{e}{10}
\end{psgopartialboard*}\par
\tx :这是目外飞压定式。这里黑有A、B两打,从棋形来看总是要在A位打的,但是现在还不能打,因为B打的价值还未利用尽。\par
\begin{psgopartialboard*}{(1,1)(7,10)}
%21
\markpos{A}{d}{10}
\markpos{B}{c}{9}
\stone{black}{c}{6}
\stone{black}{d}{5}
\stone{black}{d}{6}
\stone{black}{d}{7}
\stone{black}{d}{8}
\stone{black}{e}{3}
\stone{black}{e}{9}
\stone{white}{b}{6}
\stone{white}{c}{4}
\stone{white}{c}{5}
\stone{white}{c}{7}
\stone{white}{c}{8}
\stone{white}{d}{9}
\stone{white}{e}{10}
\setcounter{gomove}{0}%步数编号从1开始
\move{b}{5}%1
\move{b}{7}%2
\move{c}{3}%3
\move{b}{4}%4
\end{psgopartialboard*}\par
\tx :黑1断好手,利用B位弱点逼白2位粘,以后黑3靠在角上得利。如果先在A位打,然后再1位断时,白就会在4位打了。\par
走到白4以后,B位打的价值已经失去,现在A位的打就转化为后先有变须敲。\par
\begin{psgopartialboard*}{(1,1)(7,11)}
%22
\markpos{A}{f}{10}
\markpos{B}{e}{11}
\stone{black}{b}{5}
\stone{black}{c}{3}
\stone{black}{c}{6}
\stone{black}{d}{5}
\stone{black}{d}{6}
\stone{black}{d}{7}
\stone{black}{d}{8}
\stone{black}{e}{3}
\stone{black}{e}{9}
\stone{white}{b}{4}
\stone{white}{b}{6}
\stone{white}{b}{7}
\stone{white}{c}{4}
\stone{white}{c}{5}
\stone{white}{c}{7}
\stone{white}{c}{8}
\stone{white}{d}{9}
\stone[\marktr]{white}{e}{10}
\setcounter{gomove}{0}%步数编号从1开始
\move{d}{10}%1
\move{c}{9}%2
\move{f}{9}%3
\end{psgopartialboard*}\par
\tx :黑1打、3退正着,这两步棋虽然简单,却体现了后先有变须敲和两打同情不打的区别。\par
黑1如不打,单在3位退,则白于1位粘,这样白棋形厚实。\par
白2后,黑对于上面\stone[\marktr]{white}一子又出现了两打同情的情况,此时黑3如在A位打,白B长后,黑仍然须在3位补,这样反凑白走棋,结果明显不如在3位空退好。\par
如果对本定式能有较深刻体会,运用``两打同情不打,后先有变须敲''于实战也就不难了。\par
{\heiti 小结}:``两打同情不打,后先有变须敲''适用范围较广,从定式、布局到中盘都能遇到,但是要注意分清``同情''和``有变''两种不同情况。另外还要注意在进入收官后,就要及时把棋走定了。\par
\clearpage
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