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An 8 kyu Problem
http://www.lifein19x19.com/viewtopic.php?f=11&t=10025		 Page 1 of 1
Author:  Charlie [ Tue Mar 18, 2014 2:33 am ]
Post subject:  An 8 kyu Problem
My favourite Android Go problem app. of not-entirely-awful problems presents this as an 8 kyu problem:

Click Here To Show Diagram Code
[go]$$Bc Black to Play
$$ +-------------
$$ | . O . . . .
$$ | O O . X . .
$$ | . X O X . .
$$ | X . O X . .
$$ | . O X X . .
$$ | . O . . . .
$$ | O X X . . .
$$ | X . . . . .
$$ | . X . . . .
$$ | . . . , . .
$$ | . . . . . .[/go]


Without much time, I found this solution and couldn't refute it in my head:

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


Honestly, I didn't look for other solutions after finding this one. I'd have fun playing this way, in a game.


The app. thinks it's wrong. Is there anything wrong with it?
Author:  HermanHiddema [ Tue Mar 18, 2014 3:01 am ]
Post subject:  Re: An 8 kyu Problem
Charlie wrote:
The app. thinks it's wrong. Is there anything wrong with it?


No, the app probably just expects :b3: and :b5: in reverse order. It is not uncommon for solutions to miss alternate order variants.
Author:  Bill Spight [ Tue Mar 18, 2014 6:53 am ]
Post subject:  Re: An 8 kyu Problem
Both lines kill, but your solution is superior. :)
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