Problem of the day ( 4Dan + ) - Sept 19th, 2010

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Joaz Banbeck
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Problem of the day ( 4Dan + ) - Sept 19th, 2010

Post by Joaz Banbeck »

Problems from the Cotsen tournament, for all of you who could not make it:
Click Here To Show Diagram Code
[go]$$Bc Black to live
$$ | . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . .
$$ | . . . . . . . . . . . . .
$$ | . O O O O . . . . . . . .
$$ | O X . X . O O . . . . . .
$$ | O X . X . X O . . . . . .
$$ | . O O X . X O . . . . . .
$$ | . X X X . . O . . . . . .
$$ | . . . O O . . . . . . . .
$$ | . . . . . . . . . . . . .
$$ |--------------------------[/go]
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mitsun
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Re: Problem of the day ( 4Dan + ) - Sept 19th, 2010

Post by mitsun »

OK, here is my attempt:
1-6 are preparation. W2 looks like the toughest resistance. Then B7 is a hidden move for B, forcing W to choose a branch ....
Click Here To Show Diagram Code
[go]$$
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . O O O O . . . . . .
$$ | O X . X . O O . . . .
$$ | O X 7 X . X O . . . .
$$ | . O O X . X O . . . .
$$ | . X X X 3 4 O . . . .
$$ | . . 1 O O 6 . . . . .
$$ | . 2 . 5 . . . . . . .
$$ |----------------------[/go]
Click Here To Show Diagram Code
[go]$$W
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | 3 O O O O . . . . . .
$$ | O X . X . O O . . . .
$$ | O X X X . X O . . . .
$$ | 1 O O X . X O . . . .
$$ | 2 X X X X O O . . . .
$$ | . . X O O O . . . . .
$$ | 4 O . X . . . . . . .
$$ |----------------------[/go]
Click Here To Show Diagram Code
[go]$$W
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . O O O O . . . . . .
$$ | O X . X . O O . . . .
$$ | O X X X 3 X O . . . .
$$ | 2 . . X . X O . . . .
$$ | . X X X X O O . . . .
$$ | 4 . X O O O . . . . .
$$ | . O 1 X . . . . . . .
$$ |----------------------[/go]
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