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July26Problem

 

July 26 Solution 1
  Difficulty: Advanced   Keywords: Problem

[Diagram]
Diag.: July26Solution1

White can't falsen the eye at a. It is very important to leave the points x miai.


[Diagram]
Diag.: Try to kill Black's group

[Diagram]
Diag.: Next...


[Diagram]
Diag.: July26 Confused

Mike Kaulbars: OK, I'm a newbie, but I do not see in Solution 1 why White does not play 4 instead of a. Thanks.


[Diagram]
Diag.: July26 Confused

unkx80: Black lives with 5. If White plays a, Black plays at b.

Mike Kaulbars: Yes, the forced move. What I was missing was the correct sequence to a second eye and life. I see it now (that's how I play too, seeing the obvious after I've played). Is there a proper Japanese term for the worst possible choice in a local situation? I need it to properly describe my games ;-). Thank you.

You could have a look at Zokusuji for instance, which doesn't mean worst, but it's kinda related. I often use imosuji? to describe my own bad moves, but I prefer to let native speakers explain what it exactly means ;-) --Nando



[Diagram]
Diag.: How about this?

Jasonred: Does this sequence manage to kill black off?

Confused: Not really. If White plays at a, Black kills the group with b and has a nice bent four shape, which is alive by either playing at 4 or at a. If White plays anywhere else, Black at a makes two eyes.

Dieter: Well, one has to be careful ...:


[Diagram]
Diag.: Slightly complicated

Black 3 would be a mistake: After White has taken the VitalPoint with 2, she turns back to 4. Black is left without a clue. So ...


[Diagram]
Diag.: Slightly complicated

... Black has to continue in the corner. Can White now cut off the marked stone ?


[Diagram]
Diag.: Slightly complicated

Not really a problem.



Incorrect play



This is a copy of the living page "July 26 Solution 1" at Sensei's Library.
(OC) 2003 the Authors, published under the OpenContent License V1.0.