Life In 19x19
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tsumego #24
http://www.lifein19x19.com/viewtopic.php?f=15&t=7293
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Author:  cyclops [ Tue Nov 27, 2012 3:15 pm ]
Post subject:  tsumego #24

Day #24 November 28th
Lot of discussion 5 years ago about a.
#24a Advanced problem
Click Here To Show Diagram Code
[go]$$Bc
$$----------
$$|.O.......
$$|.XOOOX...
$$|.XXXXOOO.
$$|..XXO....
$$|XXXOO....
$$|OOO......
$$|.........[/go]

#24b Intermediate problem
Click Here To Show Diagram Code
[go]$$Bc
$$--------
$$|OXO.O..
$$|O.OOOX.
$$|..XXXX.
$$|XX.,...
$$|.......[/go]

#24c Elementary problem
Click Here To Show Diagram Code
[go]$$Bc
$$--------
$$|..O....
$$|.OOX.X.
$$|.OXX...
$$|OOX,...
$$|XXX....
$$|.......[/go]

Author:  SoDesuNe [ Tue Nov 27, 2012 3:26 pm ]
Post subject:  Re: tsumego #24

It's late here, hope I didn't do something stupid ^^

#24a Advanced problem
Click Here To Show Diagram Code
[go]$$Bc
$$----------
$$|5O3.14...
$$|.XOOOX2..
$$|.XXXXOOO.
$$|..XXO....
$$|XXXOO....
$$|OOO......
$$|.........[/go]


Click Here To Show Diagram Code
[go]$$Bc
$$----------
$$|.O2.1....
$$|3XOOOX4..
$$|.XXXXOOO.
$$|5.XXO....
$$|XXXOO....
$$|OOO......
$$|.........[/go]


#24b Intermediate problem
Click Here To Show Diagram Code
[go]$$Bc 3 at 1, 4 at marked
$$--------
$$|OBO.O..
$$|O1OOOX.
$$|52XXXX.
$$|XX.,...
$$|.......[/go]

#24c Elementary problem
Click Here To Show Diagram Code
[go]$$Bc Cannot approach at 'a' because of shortage of liberties. Dead under japanese rules?
$$--------
$$|23O....
$$|1OOX.X.
$$|aOXX...
$$|OOX,...
$$|XXX....
$$|.......[/go]

Author:  logan [ Tue Nov 27, 2012 5:32 pm ]
Post subject:  Re: tsumego #24

Same as SoDesuNe

Author:  cyclops [ Tue Nov 27, 2012 6:30 pm ]
Post subject:  Re: tsumego #24

5 yrs ago EricBackus finally found the same solution for #24 advanced after 31 hrs. Many had a try: sol.ch, xela, sverre, unkx80, zinger and andd. Going after the enemy kill instead of mutual life.

Author:  EricBackus [ Thu Nov 29, 2012 2:00 am ]
Post subject:  Re: tsumego #24

cyclops wrote:
5 yrs ago EricBackus finally found the same solution for #24 advanced after 31 hrs. Many had a try: sol.ch, xela, sverre, unkx80, zinger and andd. Going after the enemy kill instead of mutual life.

I did? I must have had more time on my hands back then. These days, I figure the advanced problems are too hard, and would take much too long to solve.

Thanks for posting these problems, they're good practice for me.

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