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Offline Bill Spight
 Post subject: Redstone tsumego problem 1
Post #1 Posted: Fri Mar 02, 2012 10:05 am 
Honinbo

Posts: 10905
Liked others: 3651
Was liked: 3374
Click Here To Show Diagram Code
[go]$$B Black to play
$$ ------------------
$$ | . O . O . . . . .
$$ | . . . O X . X . .
$$ | O O O X X . . . .
$$ | . X X , . . . . .
$$ | . . . X . . . . .
$$ | . X . . . . . . .
$$ | . . . . . . . . .
$$ | . . . . . . . . .[/go]


Enjoy!

All captures are made with red stones, which are immortal. A player may capture a stone or stones of either color, or both, with one play.

_________________
The Adkins Principle:
At some point, doesn't thinking have to go on?
— Winona Adkins

Visualize whirled peas.

Everything with love. Stay safe.


Last edited by Bill Spight on Fri Mar 02, 2012 3:00 pm, edited 2 times in total.
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Offline Dusk Eagle
 Post subject: Re: Redstone tsumego problem 1
Post #2 Posted: Fri Mar 02, 2012 11:13 am 
Gosei
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Posts: 1758
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Rank: 4d
Click Here To Show Diagram Code
[go]$$B
$$ ------------------
$$ | . O . O . . . . .
$$ | 1 2 3 O X . X . .
$$ | O O O X X . . . .
$$ | . X X , . . . . .
$$ | . . . X . . . . .
$$ | . X . . . . . . .
$$ | . . . . . . . . .
$$ | . . . . . . . . .[/go]

Click Here To Show Diagram Code
[go]$$B
$$ ------------------
$$ | 2 O 4 O 5 . . . .
$$ | 1 . 3 O X . X . .
$$ | O O O X X . . . .
$$ | . X X , . . . . .
$$ | . . . X . . . . .
$$ | . X . . . . . . .
$$ | . . . . . . . . .
$$ | . . . . . . . . .[/go]

Click Here To Show Diagram Code
[go]$$B If white 'a', then black :b1:. Black will\nform a dead shape using red stones.\nIf white tenukies, black fills the outside.
$$ ------------------
$$ | a O . O . . . . .
$$ | 1 3 2 O X . X . .
$$ | O O O X X . . . .
$$ | . X X , . . . . .
$$ | . . . X . . . . .
$$ | . X . . . . . . .
$$ | . . . . . . . . .
$$ | . . . . . . . . .[/go]

_________________
We don't know who we are; we don't know where we are.
Each of us woke up one moment and here we were in the darkness.
We're nameless things with no memory; no knowledge of what went before,
No understanding of what is now, no knowledge of what will be.
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Offline Bill Spight
 Post subject: Re: Redstone tsumego problem 1
Post #3 Posted: Fri Mar 02, 2012 11:48 am 
Honinbo

Posts: 10905
Liked others: 3651
Was liked: 3374
Edit: I missed this at first. The problem is well cooked. ;)

Edit: Not much point in hiding things now. The problem is cooked, as is my goose. ;)

Click Here To Show Diagram Code
[go]$$B
$$ ------------------
$$ | 2 O 4 O 5 . . . .
$$ | 1 6 3 O X . X . .
$$ | O O O X X . . . .
$$ | . X X , . . . . .
$$ | . . . X . . . . .
$$ | . X . . . . . . .
$$ | . . . . . . . . .
$$ | . . . . . . . . .[/go]


Click Here To Show Diagram Code
[go]$$B Life!
$$ ------------------
$$ | O O O O X . . . .
$$ | . + . O X . X . .
$$ | O O O X X . . . .
$$ | . X X , . . . . .
$$ | . . . X . . . . .
$$ | . X . . . . . . .
$$ | . . . . . . . . .
$$ | . . . . . . . . .[/go]



Edit: Wrong! As DuskEagle and topazg knew. The White stones are coptured, too. See later post.
----

But

Click Here To Show Diagram Code
[go]$$B
$$ ------------------
$$ | 2 O 3 O . . . . .
$$ | 1 . . O X . X . .
$$ | O O O X X . . . .
$$ | . X X , . . . . .
$$ | . . . X . . . . .
$$ | . X . . . . . . .
$$ | . . . . . . . . .
$$ | . . . . . . . . .[/go]


Or

Click Here To Show Diagram Code
[go]$$B
$$ ------------------
$$ | 2 O . O . . . . .
$$ | 1 3 . O X . X . .
$$ | O O O X X . . . .
$$ | . X X , . . . . .
$$ | . . . X . . . . .
$$ | . X . . . . . . .
$$ | . . . . . . . . .
$$ | . . . . . . . . .[/go]


My solution:

Click Here To Show Diagram Code
[go]$$B
$$ ------------------
$$ | . O 2 O . . . . .
$$ | 3 . 1 O X . X . .
$$ | O O O X X . . . .
$$ | . X X , . . . . .
$$ | . . . X . . . . .
$$ | . X . . . . . . .
$$ | . . . . . . . . .
$$ | . . . . . . . . .[/go]


Click Here To Show Diagram Code
[go]$$B
$$ ------------------
$$ | . O . O . . . . .
$$ | 2 3 1 O X . X . .
$$ | O O O X X . . . .
$$ | . X X , . . . . .
$$ | . . . X . . . . .
$$ | . X . . . . . . .
$$ | . . . . . . . . .
$$ | . . . . . . . . .[/go]


I also missed this:

Click Here To Show Diagram Code
[go]$$B
$$ ------------------
$$ | . O . O . . . . .
$$ | 3 1 2 O X . X . .
$$ | O O O X X . . . .
$$ | . X X , . . . . .
$$ | . . . X . . . . .
$$ | . X . . . . . . .
$$ | . . . . . . . . .
$$ | . . . . . . . . .[/go]


Click Here To Show Diagram Code
[go]$$B
$$ ------------------
$$ | . O . O . . . . .
$$ | 2 1 3 O X . X . .
$$ | O O O X X . . . .
$$ | . X X , . . . . .
$$ | . . . X . . . . .
$$ | . X . . . . . . .
$$ | . . . . . . . . .
$$ | . . . . . . . . .[/go]


And this, which does not work:

Click Here To Show Diagram Code
[go]$$B
$$ ------------------
$$ | . O 1 O 3 . . . .
$$ | 2 . . O X . X . .
$$ | O O O X X . . . .
$$ | . X X , . . . . .
$$ | . . . X . . . . .
$$ | . X . . . . . . .
$$ | . . . . . . . . .
$$ | . . . . . . . . .[/go]


Yielding:

Click Here To Show Diagram Code
[go]$$B
$$ ------------------
$$ | . O . . X . . . .
$$ | O . + . X . X . .
$$ | O O O X X . . . .
$$ | . X X , . . . . .
$$ | . . . X . . . . .
$$ | . X . . . . . . .
$$ | . . . . . . . . .
$$ | . . . . . . . . .[/go]

_________________
The Adkins Principle:
At some point, doesn't thinking have to go on?
— Winona Adkins

Visualize whirled peas.

Everything with love. Stay safe.


Last edited by Bill Spight on Fri Mar 02, 2012 6:31 pm, edited 2 times in total.
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Offline cyclops
 Post subject: Re: Redstone tsumego problem 1
Post #4 Posted: Fri Mar 02, 2012 2:45 pm 
Lives in sente
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Rank: KGS 7 kyu forever
GD Posts: 460
Not sure this problem belongs to "Improve Your Game". I propose a new chapter "Deviant Go". Why? Because I didn't remember Redstone as a form of deviant go so I started to solve Bill's problem as a straight go problem and I got confused because I got slowly convinced that it is clearly alive.

This post by cyclops was liked by 2 people: Bill Spight, MarkSteere
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Offline topazg
 Post subject: Re: Redstone tsumego problem 1
Post #5 Posted: Fri Mar 02, 2012 6:06 pm 
Tengen
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Location: Chatteris, UK
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Rank: Nebulous
GD Posts: 918
KGS: topazg
Bill, in Redstone there is mutual capture, so in your diagram here:

Click Here To Show Diagram Code
[go]$$B
$$ ------------------
$$ | 2 O 4 O 5 . . . .
$$ | 1 6 3 O X . X . .
$$ | O O O X X . . . .
$$ | . X X , . . . . .
$$ | . . . X . . . . .
$$ | . X . . . . . . .
$$ | . . . . . . . . .
$$ | . . . . . . . . .[/go]


:w6: actually leads to:

Click Here To Show Diagram Code
[go]$$B
$$ ------------------
$$ | . . . . X . . . .
$$ | . + . . X . X . .
$$ | O O O X X . . . .
$$ | . X X , . . . . .
$$ | . . . X . . . . .
$$ | . X . . . . . . .
$$ | . . . . . . . . .
$$ | . . . . . . . . .[/go]


It's a really funny game on L+D!

This post by topazg was liked by: Bill Spight
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