Middle Game Discussion 1
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unkx80: This discussion is taken from Philosopher's Stones. Without finding a suitable place to put this discussion, I am creating this page, linked from middle game analysis.
![[Diagram]](../../diagrams/30/af6b0ab7932cde6f676e84453f57d9c9.png) | Black to play |
In the game, White had at . In my opinion, this is a rather bad shape which does not fix the weaknesses on the upper side.
![[Diagram]](../../diagrams/25/786c6ac9285a9549ecd1dbbcb160029e.png) | Suggestion |
My suggestion is for White to play . This move should fix the weaknesses better. Another alternative would be a, but I suspect it is not as good as , because Black can play the peep at .
![[Diagram]](../../diagrams/13/382cb55c66fe03007d766491a99175d9.png) | The powerful move |
Please take some time to muse through . It thoroughly exposes the weakness of . White has no good reply because the ladder is favourable for Black.
![[Diagram]](../../diagrams/4/a709ee36af63da63efbbff37c015df9e.png) | Continuation |
To prevent the vital stones from being captured, must connect. So and naturally pushes down, rendering a totally useless move. Now, White finds it very difficult to decide whether to play at a or b.
![[Diagram]](../../diagrams/12/61fa849f350f746023c1d5dae5d506ce.png) | Black is very thick |
If chooses to play safely, then the atari at feels extremely good for Black, and connects. White is sealed in, and Black is extremely thick outside.
![[Diagram]](../../diagrams/28/c237f02703fa161eda9ade88280a6def.png) | Painful for White |
If plays the hane, then the atari at is also very painful for White. After , cannot cut at a, neither can be played at b...
![[Diagram]](../../diagrams/5/a1c2f21631fcdfd103853af4a14d94da.png) | White captured |
is a mistake, which allows the attachment tesuji at . After , the game is as good as over.
![[Diagram]](../../diagrams/42/04ff031b9d1def4da2fadee0514fde14.png) | White almost collapses |
Black continues to push at , and return to connect at . On the upper side, White has three distinct weak groups, so it is almost as good as saying White has totally collapsed.
![[Diagram]](../../diagrams/25/786c6ac9285a9549ecd1dbbcb160029e.png) | Suggestion |
Dieter: I favour the firm capture at a :
![[Diagram]](../../diagrams/31/32cce6629dc3f852ec32645201a96203.png) | Aji |
How large is the aji of the marked black stone ?
unkx80: Um... yah, will think again another time.
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"Middle Game Discussion 1" at
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2004 the Authors, published under the OpenContent License V1.0.
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