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Offline entropi
 Post subject: 1001 problems, nr 775
Post #1 Posted: Fri Jun 18, 2010 2:24 am 
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Click Here To Show Diagram Code
[go]$$Bc
$$ | . . . . . . . . . .
$$ | . . . . . . . . . .
$$ | . O . . . . . . . .
$$ | . O . O O . . . . .
$$ | . X X X O . . . . .
$$ | X X O . O . . . . .
$$ | X O . . X O . . . .
$$ | X O . . X O . . . .
$$ | ------------------+
black to live (unconditionally)[/go]


Solution given in the book:
Click Here To Show Diagram Code
[go]$$Bc
$$ | . . . . . . . . . .
$$ | . . . . . . . . . .
$$ | . O . . . . . . . .
$$ | . O . O O . . . . .
$$ | . X X X O . . . . .
$$ | X X O 1 O . . . . .
$$ | X O 2 5 X O . . . .
$$ | X O 3 4 X O . . . .
$$ | ------------------+[/go]


My question:
No question! I was missing something obvious :oops:

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Last edited by entropi on Fri Jun 18, 2010 2:52 am, edited 1 time in total.
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Offline tj86430
 Post subject: Re: 1001 problems, nr 775
Post #2 Posted: Fri Jun 18, 2010 2:28 am 
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entropi wrote:
Click Here To Show Diagram Code
[go][go]$$Bc
$$ | . . . . . . . . . .
$$ | . . . . . . . . . .
$$ | . O . . . . . . . .
$$ | . O . O O . . . . .
$$ | . X X X O . . . . .
$$ | X X O 1 O . . . . .
$$ | X O 3 4 X O . . . .
$$ | X O 2 . X O . . . .
$$ | ------------------+[/go]

dead?

What am I missing?

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


results in:
Click Here To Show Diagram Code
[go]$$Bc
$$ | . . . . . . . . . .
$$ | . . . . . . . . . .
$$ | . O . . . . . . . .
$$ | . O . O O . . . . .
$$ | . X X X O . . . . .
$$ | X X . X O . . . . .
$$ | X . X . X O . . . .
$$ | X . . X X O . . . .
$$ | ------------------+[/go]

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Offline entropi
 Post subject: Re: 1001 problems, nr 775
Post #3 Posted: Fri Jun 18, 2010 2:32 am 
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:lol:

Ok too earlky in the morning, I should permanently delete this thread

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Offline topazg
 Post subject: Re: 1001 problems, nr 775
Post #4 Posted: Fri Jun 18, 2010 5:33 am 
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Quote:
results in:

Click Here To Show Diagram Code
[go]$$Bc
$$ | . . . . . . . . . .
$$ | . . . . . . . . . .
$$ | . O . . . . . . . .
$$ | . O . O O . . . . .
$$ | . X X X O . . . . .
$$ | X X O X O . . . . .
$$ | X O . O X O . . . .
$$ | X O O 5 X O . . . .
$$ | ------------------+[/go]


Not really, this is a self atari by Black!

The fact Black can't play it means White kills, so it's not so good for Black really :D
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Offline Magicwand
 Post subject: Re: 1001 problems, nr 775
Post #5 Posted: Fri Jun 18, 2010 5:58 am 
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topazg wrote:
Quote:
results in:

Click Here To Show Diagram Code
[go]$$Bc
$$ | . . . . . . . . . .
$$ | . . . . . . . . . .
$$ | . O . . . . . . . .
$$ | . O . O O . . . . .
$$ | . X X X O . . . . .
$$ | X X O X O . . . . .
$$ | X O . O X O . . . .
$$ | X O O 5 X O . . . .
$$ | ------------------+[/go]


Not really, this is a self atari by Black!

The fact Black can't play it means White kills, so it's not so good for Black really :D

i think you missed something on the picture.. :)

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Offline topazg
 Post subject: Re: 1001 problems, nr 775
Post #6 Posted: Fri Jun 18, 2010 6:03 am 
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Hahaha, aren't diagrams where the stones get removed amusing :D
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Offline entropi
 Post subject: Re: 1001 problems, nr 775
Post #7 Posted: Fri Jun 18, 2010 6:23 am 
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topazg wrote:
Hahaha, aren't diagrams where the stones get removed amusing :D


That was exactly the thing I overlooked :)
Luckily it was just a problem, overlooking such a thing in a game would be really frustrating :)

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Offline topazg
 Post subject: Re: 1001 problems, nr 775
Post #8 Posted: Fri Jun 18, 2010 7:27 am 
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That was a really interesting blindspot with diagrams for me actually. The second I saw your 4 I assumed it captured 3, because else why would you play it? Actually going through the numbers sequentially didn't happen until I re-read magicwand's post :)
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Offline entropi
 Post subject: Re: 1001 problems, nr 775
Post #9 Posted: Fri Jun 18, 2010 7:52 am 
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topazg wrote:
...because else why would you play it? ...


For a good reason: Being waken up at 6am by my daughter dancing on my head :)

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This post by entropi was liked by: topazg
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Offline cyclops
 Post subject: Re: 1001 problems, nr 775
Post #10 Posted: Fri Jun 18, 2010 4:46 pm 
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Happily I started reading this thread. I solved the problem looking forward to the hidden parts. Only to find out there was no problem. Maybe you should edit the unhidden part of your first post just to mention that you withdraw your problem. Actually this is also a lesson for me to learn because I also too often started a new thread based on some stupid error. No way to withdraw a thread, or is there?

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