Problem of the day - Sept 13th, 2010

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Joaz Banbeck
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Problem of the day - Sept 13th, 2010

Post by Joaz Banbeck »

I haven't looked at this one at any length myself, so I have no idea how difficult it may be:

Click Here To Show Diagram Code
[go]$$Bc Black to kill.
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . X X X X . . . . . .
$$ | . . X X . O O O X . . . . .
$$ | . . X O . . X O X . . . . .
$$ | . X O O . . O O X . . . . .
$$ | . X O . . . . X . . . . . .
$$ | ---------------------------[/go]
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Chew Terr
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Re: Problem of the day - Sept 13th, 2010

Post by Chew Terr »

Click Here To Show Diagram Code
[go]$$Bc Black to kill.
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . X X X X . . . . . .
$$ | . . X X . O O O X . . . . .
$$ | . . X O 5 . X O X . . . . .
$$ | . X O O . 1 O O X . . . . .
$$ | . X O . 3 2 4 X . . . . . .
$$ | ---------------------------[/go]

Click Here To Show Diagram Code
[go]$$Bc 'a' is false, 7 connects
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . X X X X . . . . . .
$$ | . . X X 8 O O O X . . . . .
$$ | . . X O a 6 X O X . . . . .
$$ | . X O O 4 1 O O X . . . . .
$$ | . X O . 3 2 5 X . . . . . .
$$ | ---------------------------[/go]
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Re: Problem of the day - Sept 13th, 2010

Post by kokomi »

Click Here To Show Diagram Code
[go]$$Bc Black to kill.
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . X X X X . . . . . .
$$ | . . X X . O O O X . . . . .
$$ | . . X O 3 . X O X . . . . .
$$ | . X O O . 1 O O X . . . . .
$$ | . X O . . . 2 X . . . . . .
$$ | ---------------------------[/go]


Click Here To Show Diagram Code
[go]$$Bc Black to kill.
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . X X X X . . . . . .
$$ | . . X X . O O O X . . . . .
$$ | . . X O . 5 X O X . . . . .
$$ | . X O O 2 1 O O X . . . . .
$$ | . X O . . 3 4 X . . . . . .
$$ | ---------------------------[/go]
长考出臭棋.
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Re: Problem of the day - Sept 13th, 2010

Post by kokomi »

btw, do we have answers for yesterday's question?
长考出臭棋.
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Re: Problem of the day - Sept 13th, 2010

Post by Kirby »

kokomi wrote:
Click Here To Show Diagram Code
[go]$$Bc Black to kill.
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . X X X X . . . . . .
$$ | . . X X . O O O X . . . . .
$$ | . . X O 3 . X O X . . . . .
$$ | . X O O . 1 O O X . . . . .
$$ | . X O . . . 2 X . . . . . .
$$ | ---------------------------[/go]


Click Here To Show Diagram Code
[go]$$Bc Black to kill.
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . X X X X . . . . . .
$$ | . . X X . O O O X . . . . .
$$ | . . X O . 5 X O X . . . . .
$$ | . X O O 2 1 O O X . . . . .
$$ | . X O . . 3 4 X . . . . . .
$$ | ---------------------------[/go]


What about this, in your second diagram:
Click Here To Show Diagram Code
[go]$$Bc Black to kill.
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . X X X X . . . . . .
$$ | . . X X . O O O X . . . . .
$$ | . . X O . 4 X O X . . . . .
$$ | . X O O 2 1 O O X . . . . .
$$ | . X O . . 3 . X . . . . . .
$$ | ---------------------------[/go]


:?:
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Re: Problem of the day - Sept 13th, 2010

Post by Kirby »

Joaz Banbeck wrote:I haven't looked at this one at any length myself, so I have no idea how difficult it may be...


If the answer is not ko, then I would say that the difficulty is "difficult" (or I am just missing something)...

Click Here To Show Diagram Code
[go]$$Bcm1 ko
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . X X X X . . . . . .
$$ | . . X X . O O O X . . . . .
$$ | . . X O . 4 X O X . . . . .
$$ | . X O O 2 1 O O X . . . . .
$$ | . X O . 3 . 5 X . . . . . .
$$ | ---------------------------[/go]


Click Here To Show Diagram Code
[go]$$Bc
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . X X X X . . . . . .
$$ | . . X X 6 O O O X . . . . .
$$ | . . X O 2 5 X O X . . . . .
$$ | . X O O . 1 O O X . . . . .
$$ | . X O . 4 7 3 X . . . . . .
$$ | ---------------------------[/go]


Click Here To Show Diagram Code
[go]$$Bc ko
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . X X X X . . . . . .
$$ | . . X X . O O O X . . . . .
$$ | . . X O . 2 X O X . . . . .
$$ | . X O O 4 1 O O X . . . . .
$$ | . X O . 3 . 5 X . . . . . .
$$ | ---------------------------[/go]


Click Here To Show Diagram Code
[go]$$Bc
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . X X X X . . . . . .
$$ | . . X X . O O O X . . . . .
$$ | . . X O 3 . X O X . . . . .
$$ | . X O O 4 1 O O X . . . . .
$$ | . X O . 5 . 2 X . . . . . .
$$ | ---------------------------[/go]


Click Here To Show Diagram Code
[go]$$Bc
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . X X X X . . . . . .
$$ | . . X X . O O O X . . . . .
$$ | . . X O 5 . X O X . . . . .
$$ | . X O O . 1 O O X . . . . .
$$ | . X O . 3 2 4 X . . . . . .
$$ | ---------------------------[/go]


Click Here To Show Diagram Code
[go]$$Bc
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . X X X X . . . . . .
$$ | . . X X 2 O O O X . . . . .
$$ | . . X O . . X O X . . . . .
$$ | . X O O 4 1 O O X . . . . .
$$ | . X O . 5 . 3 X . . . . . .
$$ | ---------------------------[/go]
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Joaz Banbeck
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Re: Problem of the day - Sept 13th, 2010

Post by Joaz Banbeck »

kokomi wrote:btw, do we have answers for yesterday's question?


Answers? :lol: :lol: You want answers? :lol: :lol: :lol: :lol: :lol:


Sorry, I don't have them. This is from a set of photocopied problems handed out during lessons by Myungwan Kim 9P. They are problems that he believed we should figure out for ourselves.
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Re: Problem of the day - Sept 13th, 2010

Post by Kirby »

Joaz Banbeck wrote:
kokomi wrote:btw, do we have answers for yesterday's question?


Answers? :lol: :lol: You want answers? :lol: :lol: :lol: :lol: :lol:


Sorry, I don't have them. This is from a set of photocopied problems handed out during lessons by Myungwan Kim 9P. They are problems that he believed we should figure out for ourselves.


Must be nice to have him as a resource. I went to a workshop that he taught, and it was extremely educational.
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Re: Problem of the day - Sept 13th, 2010

Post by kokomi »

Joaz Banbeck wrote:
kokomi wrote:btw, do we have answers for yesterday's question?


Answers? :lol: :lol: You want answers? :lol: :lol: :lol: :lol: :lol:


Sorry, I don't have them. This is from a set of photocopied problems handed out during lessons by Myungwan Kim 9P. They are problems that he believed we should figure out for ourselves.


:lol: :lol: :lol: :lol: :lol: Wow the answers!

It's fun to try to solving out the problems. Will you have this every day?


Kirby:Yeah, i misread that
and ko is what i can have best so far. This problem looks very like chicken standing on one leg at the first glance, but it looks like it doesn't work that way. :evil:
长考出臭棋.
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Re: Problem of the day - Sept 13th, 2010

Post by Joaz Banbeck »

kokomi wrote:... Will you have this every day?...


I have a 1/4 inch stack of pages, with about 20 problems per page. It will be semi-regular until I get bored or too busy.

Of course nothing prevents someone else from posting POTDs too. If I see that someone else has, I will just delay mine unil the next open day.
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Re: Problem of the day - Sept 13th, 2010

Post by shapenaji »

woops... overlooked,
yeah, it's definitely ko
Last edited by shapenaji on Mon Sep 13, 2010 2:01 pm, edited 1 time in total.
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Re: Problem of the day - Sept 13th, 2010

Post by Magicwand »

shapenaji wrote:I believe the answer is that black kills outright:
Click Here To Show Diagram Code
[go]$$Bc Black to kill.
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . X X X X . . . . . .
$$ | . . X X . O O O X . . . . .
$$ | . . X O . . X O X . . . . .
$$ | . X O O . . O O X . . . . .
$$ | . X O . 1 . . X . . . . . .
$$ | ---------------------------[/go]


Click Here To Show Diagram Code
[go]$$Bc Black to kill.
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . X X X X . . . . . .
$$ | . . X X . O O O X . . . . .
$$ | . . X O 3 . X O X . . . . .
$$ | . X O O . . O O X . . . . .
$$ | . X O . 1 . 2 X . . . . . .
$$ | ---------------------------[/go]


Click Here To Show Diagram Code
[go]$$Bc Black to kill.
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . X X X X . . . . . .
$$ | . . X X . O O O X . . . . .
$$ | . . X O . . X O X . . . . .
$$ | . X O O 4 3 O O X . . . . .
$$ | . X O . 1 2 5 X . . . . . .
$$ | ---------------------------[/go]


Click Here To Show Diagram Code
[go]$$Bc Black to kill.
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . X X X X . . . . . .
$$ | . . X X . O O O X . . . . .
$$ | . . X O . . X O X . . . . .
$$ | . X O O 2 . O O X . . . . .
$$ | . X O . 1 . 3 X . . . . . .
$$ | ---------------------------[/go]


i think there is no way to kill without ko
Click Here To Show Diagram Code
[go]$$Bc Black to kill.
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . X X X X . . . . . .
$$ | . . X X . O O O X . . . . .
$$ | . . X O . . X O X . . . . .
$$ | . X O O . 2 O O X . . . . .
$$ | . X O . 1 . . X . . . . . .
$$ | ---------------------------[/go]
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Re: Problem of the day - Sept 13th, 2010

Post by shapenaji »

Yeah, I typed too fast. That sequence is why I edited

Magicwand wrote:
shapenaji wrote:I believe the answer is that black kills outright:
Click Here To Show Diagram Code
[go]$$Bc Black to kill.
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . X X X X . . . . . .
$$ | . . X X . O O O X . . . . .
$$ | . . X O . . X O X . . . . .
$$ | . X O O . . O O X . . . . .
$$ | . X O . 1 . . X . . . . . .
$$ | ---------------------------[/go]




Click Here To Show Diagram Code
[go]$$Bc Black to kill.
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . X X X X . . . . . .
$$ | . . X X . O O O X . . . . .
$$ | . . X O 3 . X O X . . . . .
$$ | . X O O . . O O X . . . . .
$$ | . X O . 1 . 2 X . . . . . .
$$ | ---------------------------[/go]


Click Here To Show Diagram Code
[go]$$Bc Black to kill.
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . X X X X . . . . . .
$$ | . . X X . O O O X . . . . .
$$ | . . X O . . X O X . . . . .
$$ | . X O O 4 3 O O X . . . . .
$$ | . X O . 1 2 5 X . . . . . .
$$ | ---------------------------[/go]


Click Here To Show Diagram Code
[go]$$Bc Black to kill.
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . X X X X . . . . . .
$$ | . . X X . O O O X . . . . .
$$ | . . X O . . X O X . . . . .
$$ | . X O O 2 . O O X . . . . .
$$ | . X O . 1 . 3 X . . . . . .
$$ | ---------------------------[/go]


i think there is no way to kill without ko
Click Here To Show Diagram Code
[go]$$Bc Black to kill.
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . . .
$$ | . . . . X X X X . . . . . .
$$ | . . X X . O O O X . . . . .
$$ | . . X O . . X O X . . . . .
$$ | . X O O . 2 O O X . . . . .
$$ | . X O . 1 . . X . . . . . .
$$ | ---------------------------[/go]
Tactics yes, Tact no...
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