tesuji to finish this game

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macelee
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tesuji to finish this game

Post by macelee »

Saw this game while compiling Go4Go database. Black to play a tesuji and win this game immediately.
Click Here To Show Diagram Code
[go]$$W
$$ +---------------------------------------+
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . X X O . . . . . . . X . . . |
$$ | . X X X . O . O . . . . . O . . . . . |
$$ | . O . O O . . . . , . . . . . X . . . |
$$ | . . O . . . X O . . . . . . . . . . . |
$$ | . . . . . X O O . . X O . . . . X . . |
$$ | . O X . X O O . . . . . . X . . . . . |
$$ | . O . . X X X X X X . O O O X . O . . |
$$ | . . O O O X O O O . X X O X X . . . . |
$$ | . . X O X O O X . O X O X O . , . . . |
$$ | . . X X X X X . . O X O X . . . . . . |
$$ | . . . X X O X . . O X O . . . . . . . |
$$ | . X O O O O X X . O . . . . . . O . . |
$$ | . . X . O . O X O . . . . . . . . O . |
$$ | . X . X O O X O . . . . . . X O O X . |
$$ | . O . X O X X . O , . . O O O X X X . |
$$ | . . X . X X O O . . . . . O X X . . . |
$$ | . . X X O O . . . . . . . O . X O X . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ +---------------------------------------+[/go]
Hint: use a ladder
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lobotommy
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Re: tesuji to finish this game

Post by lobotommy »

Nice one. I'm surprised that such funny thing occured in a pro game.
Tsumego/Tesuji apps for iPad, iPhone & Android devices:http://www.lifein19x19.com/forum/viewto ... =18&t=7511
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speedchase
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Re: tesuji to finish this game

Post by speedchase »

I think i got it:
Click Here To Show Diagram Code
[go]$$b
$$ +---------------------------------------+
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . X X O . . . . . . . X . . . |
$$ | . X X X . O . O . . . . . O . . . . . |
$$ | . O . O O . . . . , . . . . . X . . . |
$$ | . . O . . . X O . . . 7 . . . . . . . |
$$ | . . . . . X O O . 9 X O 3 . . . X . . |
$$ | . O X . X O O . 0 8 4 1 2 X . . . . . |
$$ | . O . . X X X X X X 5 O O O X . O . . |
$$ | . . O O O X O O O . X X O X X . . . . |
$$ | . . X O X O O X . O X O X O . , . . . |
$$ | . . X X X X X . . O X O X . . . . . . |
$$ | . . . X X O X . . O X O . . . . . . . |
$$ | . X O O O O X X . O . . . . . . O . . |
$$ | . . X . O . O X O . . . . . . . . O . |
$$ | . X . X O O X O . . . . . . X O O X . |
$$ | . O . X O X X . O , . . O O O X X X . |
$$ | . . X . X X O O . . . . . O X X . . . |
$$ | . . X X O O . . . . . . . O . X O X . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ +---------------------------------------+[/go]
:w6: @ :b1:
Click Here To Show Diagram Code
[go]$$b11
$$ +---------------------------------------+
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . X X O . . . . . . . X . . . |
$$ | . X X X . O . O . 9 . . . O . . . . . |
$$ | . O . O O . . 3 5 8 0 . . . . X . . . |
$$ | . . O . . . X O 4 6 7 X . . . . . . . |
$$ | . . . . . X O O 1 X X O X . . . X . . |
$$ | . O X . X O O 2 O O O O O X . . . . . |
$$ | . O . . X X X X X X X O O O X . O . . |
$$ | . . O O O X O O O . X X O X X . . . . |
$$ | . . X O X O O X . O X O X O . , . . . |
$$ | . . X X X X X . . O X O X . . . . . . |
$$ | . . . X X O X . . O X O . . . . . . . |
$$ | . X O O O O X X . O . . . . . . O . . |
$$ | . . X . O . O X O . . . . . . . . O . |
$$ | . X . X O O X O . . . . . . X O O X . |
$$ | . O . X O X X . O , . . O O O X X X . |
$$ | . . X . X X O O . . . . . O X X . . . |
$$ | . . X X O O . . . . . . . O . X O X . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ +---------------------------------------+[/go]
Click Here To Show Diagram Code
[go]$$b21
$$ +---------------------------------------+
$$ | . . . . . . . . . . . . . . . . . . |
$$ | . . . . . X X O . . 3 6 7 . . X . . . |
$$ | . X X X . O . O . X 2 4 5 O . . . . . |
$$ | . O . O O . . X X O O 1 . . . X . . . |
$$ | . . O . . . X O O O X X . . . . . . . |
$$ | . . . . . X O O X X X O X . . . X . . |
$$ | . O X . X O O O O O O O O X . . . . . |
$$ | . O . . X X X X X X X O O O X . O . . |
$$ | . . O O O X O O O . X X O X X . . . . |
$$ | . . X O X O O X . O X O X O . , . . . |
$$ | . . X X X X X . . O X O X . . . . . . |
$$ | . . . X X O X . . O X O . . . . . . . |
$$ | . X O O O O X X . O . . . . . . O . . |
$$ | . . X . O . O X O . . . . . . . . O . |
$$ | . X . X O O X O . . . . . . X O O X . |
$$ | . O . X O X X . O , . . O O O X X X . |
$$ | . . X . X X O O . . . . . O X X . . . |
$$ | . . X X O O . . . . . . . O . X O X . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ +---------------------------------------+[/go]
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jts
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Re: tesuji to finish this game

Post by jts »

lobotommy wrote:Nice one. I'm surprised that such funny thing occured in a pro game.
Personally, I think this one is more embarrassing:

http://senseis.xmp.net/?LadderExercise2
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macelee
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Re: tesuji to finish this game

Post by macelee »

speedchase has given the correct answer. Note that :b1: and :w2: in his second diagram can be swapped without affecting the final result.

Here is the link the the full game: http://www.go4go.net/go/games/sgfview/35678
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