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tsumego #23
http://www.lifein19x19.com/viewtopic.php?f=15&t=7287
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Author:  cyclops [ Mon Nov 26, 2012 7:21 pm ]
Post subject:  tsumego #23

Day #23 November 27th
Black to move, conditional solutions are suspect.
To see the problems click the button below
#23a Advanced problem
Click Here To Show Diagram Code
[go]$$Bc
$$----------
$$|.........
$$|.OOO.....
$$|OXXXOO.X.
$$|.X.OXXX..
$$|.X.O.....
$$|..X.O....
$$|.........[/go]

#23b Intermediate problem
Click Here To Show Diagram Code
[go]$$Bc
$$-------
$$|....X.
$$|XOOOX.
$$|..OXX.
$$|OOOX..
$$|XXXX..
$$|......[/go]

#23c Elementary problem
Click Here To Show Diagram Code
[go]$$Bc
$$--------
$$|.......
$$|.XXXO..
$$|.XOO.O.
$$|.X.,...
$$|.OOO...
$$|.......[/go]

Author:  logan [ Mon Nov 26, 2012 7:32 pm ]
Post subject:  Re: tsumego #23

#23a Advanced problem
Click Here To Show Diagram Code
[go]$$Bc
$$----------
$$|.7.65....
$$|4OOO213..
$$|OXXXOO.X.
$$|.X.OXXX..
$$|.X.O.....
$$|..X.O....
$$|.........[/go]


Click Here To Show Diagram Code
[go]$$Bc
$$----------
$$|.........
$$|.OOO3125.
$$|OXXXOO4X.
$$|.X.OXXX..
$$|.X.O.....
$$|..X.O....
$$|.........[/go]


#23b Intermediate problem
Click Here To Show Diagram Code
[go]$$Bc
$$-------
$$|4521X.
$$|XOOOX.
$$|3.OXX.
$$|OOOX..
$$|XXXX..
$$|......[/go]


Click Here To Show Diagram Code
[go]$$Bc
$$-------
$$|4351X.
$$|XOOOX.
$$|2.OXX.
$$|OOOX..
$$|XXXX..
$$|......[/go]


#23c Elementary problem
Click Here To Show Diagram Code
[go]$$Bc
$$--------
$$|1.32...
$$|.XXXO..
$$|5XOO.O.
$$|4X.,...
$$|.OOO...
$$|.......[/go]

Author:  cyclops [ Tue Nov 27, 2012 6:22 am ]
Post subject:  Re: tsumego #23

#23b has an unconditional solution ( if I read correctly )
edit: I withdraw this claim after second reading.

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