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Offline cyclops
 Post subject: tsumego #21
Post #1 Posted: Sat Nov 24, 2012 5:28 pm 
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Day #21 November 25th
Black to play. Conditional solutions are suspect.
#21a Advanced problem
Click Here To Show Diagram Code
[go]$$Bc
$$---------
$$|........
$$|.XXXOO..
$$|.OOOX.O.
$$|.OXX.X..
$$|.O......
$$|.OX.....
$$|.XX.....
$$|........[/go]

#21b Intermediate problem
Click Here To Show Diagram Code
[go]$$Bc
$$---------
$$|.XXO....
$$|.O.OX.X.
$$|OOOOX...
$$|.XXXX...
$$|........
$$|.X......
$$|........[/go]

#21c Elementary problem
Click Here To Show Diagram Code
[go]$$Bc
$$--------
$$|.XX.OX.
$$|.OOO.X.
$$|OOXXX..
$$|XX.,...
$$|..X....
$$|.......[/go]
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Offline Bill Spight
 Post subject: Re: tsumego #21
Post #2 Posted: Sat Nov 24, 2012 6:36 pm 
Honinbo

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Click Here To Show Diagram Code
[go]$$Bc
$$---------
$$|..86....
$$|1XXXOO..
$$|4OOOX.O.
$$|.OXX.X..
$$|5O7.....
$$|9OX.....
$$|2XX.....
$$|.3......
$$|........
$$|........[/go]


:b5: prevents ko. :)

Click Here To Show Diagram Code
[go]$$Bc
$$---------
$$|.864....
$$|1XXXOO..
$$|7OOOX.O.
$$|9OXX.X..
$$|.O5.....
$$|.OX.....
$$|2XX.....
$$|.3......
$$|........
$$|........[/go]

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Offline cyclops
 Post subject: Re: tsumego #21
Post #3 Posted: Sat Nov 24, 2012 7:59 pm 
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thx Bill. I saw your :b1: . And I thought: "too easy!". But I never dreamt your variations.
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Offline cyclops
 Post subject: #21b&c
Post #4 Posted: Sun Nov 25, 2012 2:28 pm 
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Maybe today's problems are too easy. To see the other solutions press
The only solution in both cases is to play in the corner which gives a bent four.
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Offline jts
 Post subject: Re: tsumego #21
Post #5 Posted: Sun Nov 25, 2012 7:54 pm 
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Cyclops, just want to say I love this series, even if I don't post in every one. It's a pain to make diagrams on mobile devices, so I probably won't answer the tsumego in the thread unless no one else has posted, but please keep doing this! :)

This post by jts was liked by: topazg
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