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 Post subject: Macelee's study journal of interesting pro games: 2013-09-21
Post #1 Posted: Sat Sep 21, 2013 12:01 am 
Lives in sente

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KGS: macelee
Go is often full of surprise, like what happened in the following game:

At one point, black comfortably controlled the centre of the board.
Click Here To Show Diagram Code
[go]$$W
$$ +---------------------------------------+
$$ | . . . . . . . . . . . . X . . . . . . |
$$ | . . . . . . . . . . X O X O . . . . . |
$$ | . . . X . . O X X X . . X O . X . . . |
$$ | . . . X . . O O O O X X X O . , X . . |
$$ | . X O X O . . . X X O O O O . O X . . |
$$ | . X X O O X . . X O . . . . . . . . . |
$$ | . . O . O . X . X O . . . . . X X . . |
$$ | . . . O . . . X O O . . . . O O O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O , X . . X . X . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . O . . . |
$$ | . . . O . . . . . . . . . . X O . . . |
$$ | . . . . O O X . . . . . . . X O . . . |
$$ | . . O O X X . X . . . . . O X X O . . |
$$ | . . . X . . . . . . X . . . X . O O . |
$$ | . . O , X . . . . , . . X . X O O X . |
$$ | . O X X . . . . O . . O O O O X X X . |
$$ | . O . . . . . . . . . . O X X . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ +---------------------------------------+[/go]


I could not believe my eyes when the game ended like this - not only all the potentials were gone, but all black stones (58 of them) were dead.
Click Here To Show Diagram Code
[go]$$B
$$ +---------------------------------------+
$$ | . . . . . . . . . . . . X O O . O . . |
$$ | . X X X . X X . . . X O X O X O X X . |
$$ | . O O X O . O X X X . . X O X X . . . |
$$ | . X O X O . O O O O X X X O . , X . . |
$$ | X X O X O . . . X X O O O O O O X . . |
$$ | . X X O O X . O X O . . O X X . . . . |
$$ | X O O . O . X . X O . . . O X X X X . |
$$ | . X O O . O X X O O . . . . O O O X . |
$$ | . O . . . O . . O . O . O O . . . O . |
$$ | . . O , X X X X X X . O X . X , O . . |
$$ | . . . . X . O O X . . O X . X O . . . |
$$ | . . . O . O O . O X X O O O X O . . . |
$$ | . . . . O O X O . . O X X O X O . O . |
$$ | . . O O X X X X X X . . . O X X O . O |
$$ | . O X X X O . X O . X . X . X . O O X |
$$ | O . O , X . O X O , X X X . X O O X X |
$$ | . O X X . O O O O O X O O O O X X X . |
$$ | . O . . X O X X O . O . O X X . . . . |
$$ | . . . . X X X X O . . . O O . X . X . |
$$ +---------------------------------------+[/go]


Full game record is here: http://go4go.net/go/games/sgfview/36467

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 Post subject: Re: Macelee's study journal of interesting pro games: 2013-0
Post #2 Posted: Sat Sep 21, 2013 12:12 am 
Honinbo

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Quote:
I could not believe my eyes when the game ended like this - not only all the potentials were gone, but all black stones (58 of them) were dead.


I can see your surprise in the way the game turned out, but they're not *all* dead if black kept playing:

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


(Just for example)

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 Post subject: Re: Macelee's study journal of interesting pro games: 2013-0
Post #3 Posted: Sat Sep 21, 2013 12:20 am 
Lives in sente

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I admit I did not attempt to read the life&death or count the points. Black must be short of points. Thanks for pointing out my mistake. And In fact black can save the 4 stones are well.

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 Post subject: Re: Macelee's study journal of interesting pro games: 2013-0
Post #4 Posted: Sat Sep 21, 2013 5:14 am 
Lives in gote

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Interesting. Why did black so passively allow his center to be taken away?

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