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Black to Play
Posted: Wed Dec 26, 2012 10:24 pm
by logan
$$Bm1 Black to play
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$$ | . X X X O X . . . , .
$$ | . O O X O . X . X . .
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$$ ----------------------
Click Here To Show Diagram Code [go]$$Bm1 Black to play
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$$ ----------------------[/go]
I would like to see how you all evaluate this, then I'll show the source solution. I think you'll find it quite humorous...
Re: Black to Play
Posted: Wed Dec 26, 2012 11:18 pm
by speedchase
[quote="logan"]
$$Bm1 Black to play
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$$ | . X X X O X . . . , .
$$ | 3 O O X O . X . X . .
$$ | . 1 2 O . O 4 5 . . .
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$$ ----------------------
Click Here To Show Diagram Code [go]$$Bm1 Black to play
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$$ | . X X X O X . . . , .
$$ | 3 O O X O . X . X . .
$$ | . 1 2 O . O 4 5 . . .
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$$ ----------------------[/go]
this?
Re: Black to Play
Posted: Wed Dec 26, 2012 11:43 pm
by logan
What about after the throw-in? Does White have any useful forcing moves?
Re: Black to Play
Posted: Wed Dec 26, 2012 11:55 pm
by jts
$$Bm1 Black to play
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$$ | . X X X O X . . . , .
$$ | 3 O O X O a X . X . .
$$ | 4 1 2 O . O 6 7 . . .
$$ | 5 . 9 . 8 . b . . . .
$$ ----------------------
Click Here To Show Diagram Code [go]$$Bm1 Black to play
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$$ | . . . X X X . . . . .
$$ | . X X X O X . . . , .
$$ | 3 O O X O a X . X . .
$$ | 4 1 2 O . O 6 7 . . .
$$ | 5 . 9 . 8 . b . . . .
$$ ----------------------[/go]
$$Bm1 Black to play
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$$ | . . . X X X . . . . .
$$ | . X X X O X . . . , .
$$ | 3 O O X O . X . X . .
$$ | 4 1 2 O . O 6 7 . . .
$$ | 5 . 8 . 9 . . . . . .
$$ ----------------------
Click Here To Show Diagram Code [go]$$Bm1 Black to play
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$$ | . . . X X X . . . . .
$$ | . X X X O X . . . , .
$$ | 3 O O X O . X . X . .
$$ | 4 1 2 O . O 6 7 . . .
$$ | 5 . 8 . 9 . . . . . .
$$ ----------------------[/go]
After w captures the four black stones and b throws in again,
and the space above
are miai.
Re: Black to Play
Posted: Thu Dec 27, 2012 2:16 pm
by logan
Right!
There are a couple of possible tricks up White's sleeve, and miai key points & a sacrifice Black has to find.
$$Bm1 Solution 1, :b9: @ :w4:
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$$ | 0 X X X O X . . . , .
$$ | 3 O O X O . X . X . .
$$ | 4 1 2 O . O . . . . .
$$ | 5 8 6 . 7 . . . . . .
$$ ----------------------
Click Here To Show Diagram Code [go]$$Bm1 Solution 1, :b9: @ :w4:
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$$ | 0 X X X O X . . . , .
$$ | 3 O O X O . X . X . .
$$ | 4 1 2 O . O . . . . .
$$ | 5 8 6 . 7 . . . . . .
$$ ----------------------[/go]
$$Bm11 Cont. 1,
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$$ | O X X X O X . . . , .
$$ | 2 O O X O 4 X . X . .
$$ | 1 . O O 3 O 5 . . . .
$$ | . O O . X . . . . . .
$$ ----------------------
Click Here To Show Diagram Code [go]$$Bm11 Cont. 1,
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$$ | O X X X O X . . . , .
$$ | 2 O O X O 4 X . X . .
$$ | 1 . O O 3 O 5 . . . .
$$ | . O O . X . . . . . .
$$ ----------------------[/go]
$$Bm1 Solution 2
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$$ | 9 X X X O X . . . , .
$$ | 3 O O X O . X . X . .
$$ | 4 1 2 O . O . . . . .
$$ | 5 0 7 8 6 . . . . . .
$$ ----------------------
Click Here To Show Diagram Code [go]$$Bm1 Solution 2
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$$ | 9 X X X O X . . . , .
$$ | 3 O O X O . X . X . .
$$ | 4 1 2 O . O . . . . .
$$ | 5 0 7 8 6 . . . . . .
$$ ----------------------[/go]
$$Bm11 Cont. 1
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$$ | . . . X X X . . . . .
$$ | X X X X O X . . . , .
$$ | X O O X O 4 X . X . .
$$ | 1 X O O . O 2 3 . . .
$$ | X O . O O . 5 . . . .
$$ ----------------------
Click Here To Show Diagram Code [go]$$Bm11 Cont. 1
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$$ | X X X X O X . . . , .
$$ | X O O X O 4 X . X . .
$$ | 1 X O O . O 2 3 . . .
$$ | X O . O O . 5 . . . .
$$ ----------------------[/go]
So let's see the book answer:
Re: Black to Play
Posted: Thu Dec 27, 2012 2:44 pm
by Alguien
One of the reasons I don't do go problems from anything not interactive.
Re: Black to Play
Posted: Thu Dec 27, 2012 2:44 pm
by TIM82
Which book, if I may ask?
Re: Black to Play
Posted: Thu Dec 27, 2012 11:47 pm
by logan
TIM82 wrote: Which book, if I may ask?
Essential L&D Vol. 4
Re: Black to Play
Posted: Thu Dec 27, 2012 11:54 pm
by Shaddy
If it's a 1-5d book, I don't see anything wrong with the book's answer. A 1-5d should be able to see all of those lines with only a little effort.
Re: Black to Play
Posted: Fri Dec 28, 2012 1:06 am
by Alguien
Shaddy wrote: If it's a 1-5d book, I don't see anything wrong with the book's answer. A 1-5d should be able to see all of those lines with only a little effort.
Do you think someone who can see all those lines with little effort really needs the first move to be pointed out?
Otherwise it's not a problem, it's a "look how beautiful are these lines" aesthetic construction.
Re: Black to Play
Posted: Fri Dec 28, 2012 1:12 pm
by Shaddy
It's possible to miss the first move and go off on a futile reading adventure with some other first move. I almost did that because I thought the first move was too obvious (I thought it'd be a harder problem), but I decided to check it anyway.