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 Post subject: Re: #205: The Intrepid vs. topazg: The Pistols
Post #121 Posted: Wed Feb 13, 2013 4:46 pm 
Tengen
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Click Here To Show Diagram Code
[go]$$Wcm60 Prisoners: :w1: :b100:
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . X . . . . . . . . . . |
$$ | . . . . . X X . X O X O . . . O X . . |
$$ | . . . X . O X . O X X . . . O X X . . |
$$ | . . . X O . . . O . . . . O X X X . . |
$$ | . . . X . . . . . O . . . . O X . . . |
$$ | . . O . . O . . . . . . . . 1 O 2 . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . X X . . |
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . . . . . O . . X . . . . . O . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ | . O O O O . . . . . . . . . . . . . . |
$$ | O X X X O X . . . , . . . O . , . . . |
$$ | . O X O X . . . . . . . . . . . O . . |
$$ | . . X . X . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Connecting first before working more with the lower right corner.

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 Post subject: Re: #205: The Intrepid vs. topazg: The Pistols
Post #122 Posted: Wed Feb 13, 2013 6:19 pm 
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Oh, wow, that was topazg's plan ... and here I thought he wanted to fight! :D I'll probably jump next, as shown below, but I'll think about it first.
Click Here To Show Diagram Code
[go]$$Wc
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . X . . . . . . . . . . |
$$ | . . . . . X X . X O X O . . . O X . . |
$$ | . . . X . O X . O X X . . . O X X . . |
$$ | . . . X O . . . O . . . . O X X X . . |
$$ | . . . X . . . . . O . . . . O X . . . |
$$ | . . O . . O . . . . . . . . O O X . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . X X . . |
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . . . . . O . . X . . . 1 . O . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . B . . . |
$$ | . O O O O . . . . . . . . . . . . . . |
$$ | O X X X O X . . . , . . . O . , . . . |
$$ | . O X O X . . . . . . . . . . . O . . |
$$ | . . X . X . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
It'll be interesting to find out how exactly topazg plans to defend here. The marked Black stone is in big trouble.

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Ontological imperative holds that my losses occurred only in imagination.

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 Post subject: Re: #205: The Intrepid vs. topazg: The Pistols
Post #123 Posted: Thu Feb 14, 2013 12:09 am 
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I believe I might be able to do the following:
Click Here To Show Diagram Code
[go]$$Wc
$$ -----------------------
$$ . . . . . . . . . . . |
$$ X . . . . . . . . . . |
$$ X O X O . . . O X . . |
$$ O X X . . . O X X . . |
$$ O . . . . O X X X . . |
$$ . O . . . . O X 4 . . |
$$ . . . . . . O O X 3 . |
$$ . . . . . . 5 2 1 . . |
$$ . . . . . . . 6 . . . |
$$ . , . . . . . X X . . |
$$ . . . . . . 7 . O . . |
$$ . X . . . . . O . . . |
$$ . . . . . . . . . . . |
$$ . . . . . . . X . . . |
$$ . . . . . . . . . . . |
$$ . , . . . O . , . . . |
$$ . . . . . . . . O . . |
$$ . . . . . . . . . . . |
$$ . . . . . . . . . . . |
$$ ----------------------[/go]

Next, if Black jumps from his lone stone, White has this variation:
Click Here To Show Diagram Code
[go]$$Bcm8
$$ -----------------------
$$ . . . . . . . . . . . |
$$ X . . . . . . . . . . |
$$ X O X O . . . O X . . |
$$ O X X . . . O X X . . |
$$ O . . . . O X X X . . |
$$ . O . . . . O X X . . |
$$ . . . . . . O O X O . |
$$ . . . . . . O X O . . |
$$ . . . . . . . X . 2 . |
$$ . , . . . . 6 X X 3 5 |
$$ . . . . . . O . O 4 . |
$$ . X . . . . . O . . . |
$$ . . . . . . . . . . . |
$$ . . . . . 1 . X . . . |
$$ . . . . . . . . . . . |
$$ . , . . . O . , . . . |
$$ . . . . . . . . O . . |
$$ . . . . . . . . . . . |
$$ . . . . . . . . . . . |
$$ ----------------------[/go]

Click Here To Show Diagram Code
[go]$$Bcm14
$$ -----------------------
$$ . . . . . . . . . . . |
$$ X . . . . . . . . . . |
$$ X O X O . . . O X . . |
$$ O X X . . . O X X . . |
$$ O . . . . O X X X . . |
$$ . O . . . . O X X 3 . |
$$ . . . . . . O O X O 5 |
$$ . . . . . . O X O 2 . |
$$ . . . . . . 4 X 1 O 7 |
$$ . , . . . . O X X X X |
$$ . . . . . . O 6 O O 8 |
$$ . X . . . . . O . . . |
$$ . . . . . . . . . . . |
$$ . . . . . X . X . . . |
$$ . . . . . . . . . . . |
$$ . , . . . O . , . . . |
$$ . . . . . . . . O . . |
$$ . . . . . . . . . . . |
$$ . . . . . . . . . . . |
$$ ----------------------[/go]

Click Here To Show Diagram Code
[go]$$Bcm22
$$ -----------------------
$$ . . . . . . . . . . . |
$$ X . . . . . . . . . . |
$$ X O X O . . . O X . . |
$$ O X X . . . O X X . . |
$$ O . . . . O X X X . . |
$$ . O . . . . W X X X . |
$$ . . . . . . W O X C X |
$$ . . . . . . W X C C 1 |
$$ . . . . . . W X X C X |
$$ . , . . . . W X X X X |
$$ . . . . . . W W W W W |
$$ . X . . . . . W . . . |
$$ . . . . . . . . . . . |
$$ . . . . . X . X . . . |
$$ . . . . . . . . . . . |
$$ . , . . . O . , . . . |
$$ . . . . . . . . O . . |
$$ . . . . . . . . . . . |
$$ . . . . . . . . . . . |
$$ ----------------------[/go]

Needless to say, this would be a fantastic result for White. However, if Black were to prevent this variation, White could capture the lone Black stone. The following move should work, although there could be other (greedier) ones, as well. This would be a loss of around 20-25 points for Black (although Black did get around 7 points on the right side). Thus, Black would likely fall further behind.
Click Here To Show Diagram Code
[go]$$Bcm8
$$ -----------------------
$$ . . . . . . . . . . . |
$$ X . . . . . . . . . . |
$$ X O X O . . . O X . . |
$$ O X X . . . O X X . . |
$$ O . . . . O X X X . . |
$$ . O . . . . O X X . . |
$$ . . . . . . O O X O . |
$$ . . . . . . O X O . . |
$$ . . . . . 1 . X . . . |
$$ . , . . . . . X X . . |
$$ . . . . . . O . O . . |
$$ . X . . . . . O . . . |
$$ . . . . . . 2 . . . . |
$$ . . . . . . . X . . . |
$$ . . . . . . . . . . . |
$$ . , . . . O . , . . . |
$$ . . . . . . . . O . . |
$$ . . . . . . . . . . . |
$$ . . . . . . . . . . . |
$$ ----------------------[/go]

That said, I have a feeling topazg's whole plan is to sacrifice this one stone in exchange for profit on the top-right. Thus, I'll need to think some more. Maybe I can come up with something cleverer.
Edit:
In retrospect, why not try to capture the Black stone right away any be done with it? :roll:
Click Here To Show Diagram Code
[go]$$Wc
$$ -----------------------
$$ . . . . . . . . . . . |
$$ X . . . . . . . . . . |
$$ X O X O . . . O X . . |
$$ O X X . . . O X X . . |
$$ O . . . . O X X X . . |
$$ . O . . . . O X . . . |
$$ . . . . . . O O X . . |
$$ . . . . . . . . . . . |
$$ . . . . . . . . . . . |
$$ . , . . . . . X X . . |
$$ . . . . . . . . O . . |
$$ . X . . . . . O . . . |
$$ . . . . . . 1 . . . . |
$$ . . . . . . . X . . . |
$$ . . . . . . . . . . . |
$$ . , . . . O . , . . . |
$$ . . . . . . . . O . . |
$$ . . . . . . . . . . . |
$$ . . . . . . . . . . . |
$$ ----------------------[/go]
Edit 2:
Actually, looks like I was miscalculating:
Click Here To Show Diagram Code
[go]$$Bcm8
$$ -----------------------
$$ . . . . . . . . . . . |
$$ X . . . . . . . . . . |
$$ X O X O . . . O X . . |
$$ O X X . . . O X X . . |
$$ O . . . . O X X X . . |
$$ . O . . . 9 O X X . . |
$$ . . . . . . O O X O . |
$$ . . . . . 7 O X O . . |
$$ . . . . 8 6 5 X . 2 . |
$$ . , . . . 3 4 X X . . |
$$ . . . . . . O . O . . |
$$ . X . . . . . O . . . |
$$ . . . . . . . . . . . |
$$ . . . . . 1 . X . . . |
$$ . . . . . . . . . . . |
$$ . , . . . O . , . . . |
$$ . . . . . . . . O . . |
$$ . . . . . . . . . . . |
$$ . . . . . . . . . . . |
$$ ----------------------[/go]

_________________
Ontological imperative holds that my losses occurred only in imagination.

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 Post subject: Re: #205: The Intrepid vs. topazg: The Pistols
Post #124 Posted: Thu Feb 14, 2013 11:00 pm 
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Click Here To Show Diagram Code
[go]$$Wcm62 Prisoners: :w1: :b100:
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . X . . . . . . . . . . |
$$ | . . . . . X X . X O X O . . . O X . . |
$$ | . . . X . O X . O X X . . . O X X . . |
$$ | . . . X O . . . O . . . . O X X X . . |
$$ | . . . X . . . . . O . . . . O X . . . |
$$ | . . O . . O . . . . . . . . O O X . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . X X . . |
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . . . . . O . . X . . . 1 . O . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ | . O O O O . . . . . . . . . . . . . . |
$$ | O X X X O X . . . , . . . O . , . . . |
$$ | . O X O X . . . . . . . . . . . O . . |
$$ | . . X . X . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
In retrospect, maybe I should have played at O13 instead of P13. Now, the cut at O14 might remain a problem for a long time.

As for the aji of R12 which I was looking at in my previous post, I can't make anything work there, yet. Also, I was incorrect in thinking that I could kill the Black stone in the bottom-right via a shoulder attachment. I cannot see how to kill Black after the following variation:
Click Here To Show Diagram Code
[go]$$Wc
$$ . . . . . . . . . |
$$ . . . . . X X . . |
$$ . . . . . . O . . |
$$ . . . . . O . . . |
$$ . . . . 1 . . . . |
$$ . . . . . X . . . |
$$ . . . 3 2 . . . . |
$$ . . . O . , . . . |
$$ . . . . . 4 O . . |
$$ . . . . . . . . . |
$$ . . . . . . . . . |
$$ ------------------[/go]

Given this, it's better to encourage Black to jump instead, gaining White points along the side.
Click Here To Show Diagram Code
[go]$$Wc
$$ . . . . . . . . . |
$$ . . . . . X X . . |
$$ . . . . . . O . . |
$$ . . . 1 . O . . . |
$$ . . . . . . . . . |
$$ . . . 2 . X . . . |
$$ . . . . . . . . . |
$$ . 3 . O . , . . . |
$$ . . . . . . O . . |
$$ . . . . . . . . . |
$$ . . . . . . . . . |
$$ ------------------[/go]

_________________
Ontological imperative holds that my losses occurred only in imagination.

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 Post subject: Re: #205: The Intrepid vs. topazg: The Pistols
Post #125 Posted: Fri Feb 15, 2013 8:10 am 
Tengen
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Click Here To Show Diagram Code
[go]$$Wcm62 Prisoners: :w1: :b100:
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . X . . . . . . . . . . |
$$ | . . . . . X X . X O X O . . . O X . . |
$$ | . . . X . O X . O X X . . . O X X . . |
$$ | . . . X O . . . O . . . . O X X X . . |
$$ | . . . X . . . . . O . . . . O X . . . |
$$ | . . O . . O . . . . . . . . O O X . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . X X . . |
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . . . . . O . . X . . . 1 . O . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ | . O O O O . . . . . . . . . . . . . . |
$$ | O X X X O X . . . , . . . O . , 2 . . |
$$ | . O X O X . . . . . . . . . . . O . . |
$$ | . . X . X . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Contact plays strengthen both sides - he's made enough moves around here that I'm more than happy playing this way.

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 Post subject: Re: #205: The Intrepid vs. topazg: The Pistols
Post #126 Posted: Sun Feb 17, 2013 3:06 am 
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topazg intends to exchange :b1: and :b3: for :w2: and :w4: before he jumps.
Click Here To Show Diagram Code
[go]$$Bc
$$ . . . . . . . . . |
$$ . . . . . X X . . |
$$ . . . . . . O . . |
$$ . . . O . O . . . |
$$ . . . . . . . . . |
$$ . . . 5 . X . . . |
$$ . . . . . . 3 . . |
$$ . . . O . 2 1 . . |
$$ . . . . . . O 4 . |
$$ . . . . . . . . . |
$$ . . . . . . . . . |
$$ ------------------[/go]
The idea behind this is to give some strength and eye-space to the Black weak group while preventing White from potentially linking up via a sequence such as below.
Click Here To Show Diagram Code
[go]$$Bc
$$ . . . . . . . . . |
$$ . . . . . X X . . |
$$ . . . . . . O . . |
$$ . . . O . O . . . |
$$ . . . . . . . . . |
$$ . . . 1 . X 2 4 . |
$$ . . . . . 5 3 . . |
$$ . . . O . . . 6 . |
$$ . . . . . . O . . |
$$ . . . . . . . . . |
$$ . . . . . . . . . |
$$ ------------------[/go]
The drawback of Black's plan is, of course, that it solidifies White's corner (secure territory + few aji).

I am unlikely to deviate from the sequence I indicated above, but I'll double-check if there aren't any cleverer tries for White.

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 Post subject: Re: #205: The Intrepid vs. topazg: The Pistols
Post #127 Posted: Sun Feb 17, 2013 9:01 am 
Tengen
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As I've been quite poor at keeping my thoughts posted due to limited time at the moment, I've put some of the random spare time I've had in the last couple of days writing my thoughts up a bit.

Any thoughts, questions or comments you want me to see are welcome :)


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 Post subject: Re: #205: The Intrepid vs. topazg: The Pistols
Post #128 Posted: Sun Feb 17, 2013 2:52 pm 
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Click Here To Show Diagram Code
[go]$$Wcm64 Prisoners: :w1: :b100:
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . X . . . . . . . . . . |
$$ | . . . . . X X . X O X O . . . O X . . |
$$ | . . . X . O X . O X X . . . O X X . . |
$$ | . . . X O . . . O . . . . O X X X . . |
$$ | . . . X . . . . . O . . . . O X . . . |
$$ | . . O . . O . . . . . . . . O O X . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . X X . . |
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . . . . . O . . X . . . O . O . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ | . O O O O . . . . . . . . . . . . . . |
$$ | O X X X O X . . . , . . . O . , X . . |
$$ | . O X O X . . . . . . . . . . 1 O . . |
$$ | . . X . X . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
If I haned, I was worried that I'd give Black too many cuts, cross-cuts, and whatnot. This could let Black live too easily. The solid extension, by contrast, reduces Black's options and leaves Black with only one eye on the side, forcing a running battle. The following is a possible sequence:
Click Here To Show Diagram Code
[go]$$Bc
$$ . . . . . . . . . |
$$ . . . . . X X . . |
$$ . . . . . . O . . |
$$ . . . O . O . . . |
$$ . . . . . . . . . |
$$ . . . 5 . X . . . |
$$ . . . . . . 3 . . |
$$ . 6 . O . 2 X . . |
$$ . . . . . O O 1 . |
$$ . . . . . . . 4 . |
$$ . . . . . . . . . |
$$ ------------------[/go]

_________________
Ontological imperative holds that my losses occurred only in imagination.

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 Post subject: Re: #205: The Intrepid vs. topazg: The Pistols
Post #129 Posted: Sun Feb 17, 2013 4:15 pm 
Tengen
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Posts: 4511
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KGS: topazg
Click Here To Show Diagram Code
[go]$$Wcm64 Prisoners: :w1: :b100:
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . X . . . . . . . . . . |
$$ | . . . . . X X . X O X O . . . O X . . |
$$ | . . . X . O X . O X X . . . O X X . . |
$$ | . . . X O . . . O . . . . O X X X . . |
$$ | . . . X . . . . . O . . . . O X . . . |
$$ | . . O . . O . . . . . . . . O O X . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . X X . . |
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . . . . . O . . X . . . O . O . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ | . O O O O . . . . . . . . . . . . . . |
$$ | O X X X O X . . . , . . . O . , X . . |
$$ | . O X O X . . . . . . . . . . 1 O 2 . |
$$ | . . X . X . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]

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 Post subject: Re: #205: The Intrepid vs. topazg: The Pistols
Post #130 Posted: Mon Feb 18, 2013 9:31 pm 
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Click Here To Show Diagram Code
[go]$$Wcm66 Prisoners: :w1: :b100:
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . X . . . . . . . . . . |
$$ | . . . . . X X . X O X O . . . O X . . |
$$ | . . . X . O X . O X X . . . O X X . . |
$$ | . . . X O . . . O . . . . O X X X . . |
$$ | . . . X . . . . . O . . . . O X . . . |
$$ | . . O . . O . . . . . . . . O O X . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . X X . . |
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . . . . . O . . X . . . O . O . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ | . O O O O . . . . . . . . . . . 2 . . |
$$ | O X X X O X . . . , . . . O . 1 X . . |
$$ | . O X O X . . . . . . . . . . O O X . |
$$ | . . X . X . . . . . . . . . . . . 3 . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
The order of moves is important.
For instance, if hane first, Black could choose this variation, essentially guaranteeing life to the Black group.
Click Here To Show Diagram Code
[go]$$Wc
$$ . . . . . . . . . |
$$ . . . . . X X . . |
$$ . . . . . . O . . |
$$ . . . O . O . . . |
$$ . . . . . . . . . |
$$ . . . . . X . . . |
$$ . . . . . 4 . 2 . |
$$ . . . O . 3 X . . |
$$ . . . . . O O X . |
$$ . . . . . . . 1 . |
$$ . . . . . . . . . |
$$ ------------------[/go]

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 Post subject: Re: #205: The Intrepid vs. topazg: The Pistols
Post #131 Posted: Mon Feb 18, 2013 9:38 pm 
Tengen
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[go]$$Wcm66 Prisoners: :w1: :b100:
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . X . . . . . . . . . . |
$$ | . . . . . X X . X O X O . . . O X . . |
$$ | . . . X . O X . O X X . . . O X X . . |
$$ | . . . X O . . . O . . . . O X X X . . |
$$ | . . . X . . . . . O . . . . O X . . . |
$$ | . . O . . O . . . . . . . . O O X . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . X X . . |
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . . . . . O . . X . . . O . O . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ | . O O O O . . . . . . . . . . . . . . |
$$ | O X X X O X . . . , . . . O . 1 X 2 . |
$$ | . O X O X . . . . . . . . . . O O X . |
$$ | . . X . X . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


That looks like a White mistake to me... life is now guaranteed locally, which is handy!

Click Here To Show Diagram Code
[go]$$Wcm66 Prisoners: :w1: :b100:
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . X . . . . . . . . . . |
$$ | . . . . . X X . X O X O . . . O X . . |
$$ | . . . X . O X . O X X . . . O X X . . |
$$ | . . . X O . . . O . . . . O X X X . . |
$$ | . . . X . . . . . O . . . . O X . . . |
$$ | . . O . . O . . . . . . . . O O X . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . X X . . |
$$ | . . . . . . . . . . . . . . . . O 7 . |
$$ | . . . . . . O . . X . . . O . O . . . |
$$ | . . . . . . . . . . . . . . . . 6 . . |
$$ | . . . . . . . . . . . . . . . X a 8 . |
$$ | . O O O O . . . . . . . . . . . . . b |
$$ | O X X X O X . . . , . c . O . 1 X 2 . |
$$ | . O X O X . . . . . . c . . . O O X . |
$$ | . . X . X . . . . . . . . . . . . 3 4 |
$$ | . . . . . . . . . . . . . . . . . 5 . |
$$ ---------------------------------------[/go]


I don't see it as possible for White to prevent Black getting an eye at "a" and another at "b", which means I'll probably think about playing :b73: around "c"

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 Post subject: Re: #205: The Intrepid vs. topazg: The Pistols
Post #132 Posted: Mon Feb 18, 2013 9:58 pm 
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Change of plans. :) There probably isn't much substantive difference between the moves, hopefully, but I better check.

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 Post subject: Re: #205: The Intrepid vs. topazg: The Pistols
Post #133 Posted: Mon Feb 18, 2013 10:26 pm 
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Click Here To Show Diagram Code
[go]$$Wcm68 Prisoners: :w1: :b100:
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . X . . . . . . . . . . |
$$ | . . . . . X X . X O X O . . . O X . . |
$$ | . . . X . O X . O X X . . . O X X . . |
$$ | . . . X O . . . O . . . . O X X X . . |
$$ | . . . X . . . . . O . . . . O X . . . |
$$ | . . O . . O . . . . . . . . O O X . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . X X . . |
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . . . . . O . . X . . . O . O . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ | . O O O O . . . . . . . . . . . . . . |
$$ | O X X X O X . . . , . . . O . O X X . |
$$ | . O X O X . . . . . . . . . . O O X . |
$$ | . . X . X . . . . . . . . . . . . 1 . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
I guess topazg could try to live here--but only at the cost of harming the two Black stones above. The price for life might be too steep. Naturally, he might simply jump, leaving the aji in the position for when he truly needs it.

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 Post subject: Re: #205: The Intrepid vs. topazg: The Pistols
Post #134 Posted: Tue Feb 19, 2013 1:22 am 
Tengen
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Click Here To Show Diagram Code
[go]$$Wcm68 Prisoners: :w1: :b100:
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . X . . . . . . . . . . |
$$ | . . . . . X X . X O X O . . . O X . . |
$$ | . . . X . O X . O X X . . . O X X . . |
$$ | . . . X O . . . O . . . . O X X X . . |
$$ | . . . X . . . . . O . . . . O X . . . |
$$ | . . O . . O . . . . . . . . O O X . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . X X . . |
$$ | . . . . . . . . . . . . . . . . O . . |
$$ | . . . . . . O . . X . . . O . O . . . |
$$ | . . . . . . . . . . . . . . . . 2 . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ | . O O O O . . . . . . . . . . . . . . |
$$ | O X X X O X . . . , . . . O . O X X . |
$$ | . O X O X . . . . . . . . . . O O X . |
$$ | . . X . X . . . . . . . . . . . . 1 . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]

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 Post subject: Re: #205: The Intrepid vs. topazg: The Pistols
Post #135 Posted: Tue Feb 19, 2013 1:54 am 
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Black threatens to connect, as the cutting stone at :w6: has nowhere to run and, thus, would get captured in short order (and, besides, Black would already be alive on both sides even if :w6: were to survive).
Click Here To Show Diagram Code
[go]$$Bc
$$ -------------------
$$ . . . . . . . . . |
$$ . . . . . . . . . |
$$ X O . . . O X . . |
$$ X . . . O X X . . |
$$ . . . O X X X . . |
$$ . . . . O X . . . |
$$ . . . . O O X . . |
$$ . . . . . . . . . |
$$ . . . . . . . . . |
$$ . . . . . X X 6 . |
$$ . . . . . 4 O 1 . |
$$ . . . O . O 3 2 7 |
$$ . . . . . . X 5 . |
$$ . . . . . X . . . |
$$ . . . . . . . . . |
$$ . . . O . O X X . |
$$ . . . . . O O X . |
$$ . . . . . . . O . |
$$ . . . . . . . . . |
$$ ------------------[/go]

However, I think I can simply extend downward. This move not only prevents the connection, but also threatens to cut off Black's two stones from the stones above them.
Click Here To Show Diagram Code
[go]$$Wc :b2: tenuki
$$ -------------------
$$ . . . . . . . . 2 |
$$ . . . . . . . . . |
$$ X O . . . O X . . |
$$ X . . . O X X . . |
$$ . . . O X X X . . |
$$ . . . . O X 6 . . |
$$ . . . . O O X 5 . |
$$ . . . . . 4 3 . . |
$$ . . . . . . . 7 . |
$$ . . . . . X X . . |
$$ . . . . . . O 1 . |
$$ . . . O . O . . . |
$$ . . . . . . X . . |
$$ . . . . . X . . . |
$$ . . . . . . . . . |
$$ . . . O . O X X . |
$$ . . . . . O O X . |
$$ . . . . . . . O . |
$$ . . . . . . . . . |
$$ ------------------[/go]

To be honest, I am a bit surprised that topazg has, so far, refused so strongly and sternly to jump and fight. I surmise that he worries about giving me too much territory along the bottom, but living small (like he seems intent on doing)--and at the expense of the other stones on the right side--might turn out to be a significantly worse choice. Well, we'll see.

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 Post subject: Re: #205: The Intrepid vs. topazg: The Pistols
Post #136 Posted: Wed Feb 20, 2013 12:54 pm 
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A Notice of Delay

topazg, I'll be travelling during the next two weeks, and it's unlikely I'll have time to make moves during that time. Hence, should you fancy taking 14 days to think over your next move, let nothing stop you from doing so. :)

Click Here To Show Diagram Code
[go]$$Wcm70 Prisoners: :w1: :b100:
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . X . . . . . . . . . . |
$$ | . . . . . X X . X O X O . . . O X . . |
$$ | . . . X . O X . O X X . . . O X X . . |
$$ | . . . X O . . . O . . . . O X X X . . |
$$ | . . . X . . . . . O . . . . O X . . . |
$$ | . . O . . O . . . . . . . . O O X . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . X X . . |
$$ | . . . . . . . . . . . . . . . . O 1 . |
$$ | . . . . . . O . . X . . . O . O . . . |
$$ | . . . . . . . . . . . . . . . . X . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ | . O O O O . . . . . . . . . . . . . . |
$$ | O X X X O X . . . , . . . O . O X X . |
$$ | . O X O X . . . . . . . . . . O O X . |
$$ | . . X . X . . . . . . . . . . . . O . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]

I briefly looked at a few alternatives, but the simple descent seems easily best. Killing the group outright (with something akin to "a") seems impossible. I also looked at moves like "b" with the intent to give easy life to the group below in exchange for additional strength against the two Black stones above. However, the simple descent should be sufficient against the two stones above, while there is more benefit still to be had from attacking the Black group below.
Click Here To Show Diagram Code
[go]$$Bc
$$ . . . . . . . . . |
$$ . . . . . X X . . |
$$ . . . . . . O . . |
$$ . . . O . O . a . |
$$ . . . . . . X b . |
$$ . . . . . X . . . |
$$ . . . . . . . . . |
$$ . . . O . O X X . |
$$ . . . . . O O X . |
$$ . . . . . . . O . |
$$ . . . . . . . . . |
$$ ------------------[/go]

I expect a sequence akin to this one:
Click Here To Show Diagram Code
[go]$$Bc
$$ -------------------
$$ . . . . . . . . . |
$$ . . . . . . . . . |
$$ X O . . . O X . . |
$$ X . . . O X X . . |
$$ . . . O X X X . . |
$$ . . . . O X . . . |
$$ . . . . O O X . . |
$$ . . . . . . 6 . . |
$$ . . . . . . . . . |
$$ . . . . . X X . . |
$$ . . . . . . O O . |
$$ . . . O . O . 5 . |
$$ . . . . . 4 X . . |
$$ . . . . . X . 1 . |
$$ . . . . . 2 3 . . |
$$ . . . O . O X X . |
$$ . . . . . O O X . |
$$ . . . . . . . O . |
$$ . . . . . . . . . |
$$ ------------------[/go]

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 Post subject: Re: #205: The Intrepid vs. topazg: The Pistols
Post #137 Posted: Wed Feb 20, 2013 4:10 pm 
Tengen
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Click Here To Show Diagram Code
[go]$$Wcm70 Prisoners: :w1: :b100:
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . X . . . . . . . . . . |
$$ | . . . . . X X . X O X O . . . O X . . |
$$ | . . . X . O X . O X X . . . O X X . . |
$$ | . . . X O . . . O . . . . O X X X . . |
$$ | . . . X . . . . . O . . . . O X . . . |
$$ | . . O . . O . . . . . . . . O O X . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . X X . . |
$$ | . . . . . . . . . . . . . . . . O 1 . |
$$ | . . . . . . O . . X . . . O . O . . . |
$$ | . . . . . . . . . . . . . . . . X . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ | . O O O O . . . . . . . . . . . . . . |
$$ | O X X X O X . . . , . . . O . O X X . |
$$ | . O X O X . . . . . . . . . . O O X . |
$$ | . . X . X . . . . . . . . . . . . O 2 |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


I don't think White can kill with one move, so I'm going to extend along the bottom after he responds:

Click Here To Show Diagram Code
[go]$$Wcm70 Prisoners: :w1: :b100:
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . X . . . . . . . . . . |
$$ | . . . . . X X . X O X O . . . O X . . |
$$ | . . . X . O X . O X X . . . O X X . . |
$$ | . . . X O . . . O . . . . O X X X . . |
$$ | . . . X . . . . . O . . . c O X . . . |
$$ | . . O . . O . . . . . . . . O O X . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . B B . . |
$$ | . . . . . . . . . . . . . . . . O 1 . |
$$ | . . . . . . O . . X . . . O . O . . . |
$$ | . . . . . . . . . . . . . . b . X . . |
$$ | . . . . . . . . . . . . . 5 . X . 6 . |
$$ | . O O O O . . . . . . . . . b . . . . |
$$ | O X X X O X . . . , . . . O . O X X . |
$$ | . O X O X . . . . . 4 . . . . O O X . |
$$ | . . X . X . . . . . . . . a . . . O 2 |
$$ | . . . . . . . . . . . . . . . . . 3 . |
$$ ---------------------------------------[/go]


Now "a" makes a serious cutting threat of the shape points at "b". I can't take :b75: first happily because White will just extend at the bottom, which is big, and much though I don't like to get sealed in, White hasn't got any points at my central stone is at least somewhat supported by :b73:

Next, I want to cut at "c" if I can, hopefully either settling the marked Black stones or taking a large territory at the top.

Optimistic and greedy? Me?

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 Post subject: Re: #205: The Intrepid vs. topazg: The Pistols
Post #138 Posted: Wed Feb 20, 2013 5:01 pm 
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14-day thinking time not required? ;)
topazg is playing with fire. The idea behind his move, I believe, is to reduce my territory in sente (I have to respond if I want to deny Black easy life). However, don't I get to play the following eye-space-reducing move in sente?
Click Here To Show Diagram Code
[go]$$Wc
$$ . . . . . . . . . |
$$ . . . . . X X . . |
$$ . . . . . . O O . |
$$ . . . O . O . . . |
$$ . . . . . . X . . |
$$ . . . . . X . . . |
$$ . . . . . . . . . |
$$ . . . O . O X X . |
$$ . . . . . O O X 1 |
$$ . . . . . . . O X |
$$ . . . . . . . . . |
$$ ------------------[/go]

This small detail could be the difference between Black group having two eyes on the side and not having them there.

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 Post subject: Re: #205: The Intrepid vs. topazg: The Pistols
Post #139 Posted: Thu Mar 14, 2013 7:45 pm 
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topazg, sorry that I'm taking such a long time to play. I ought to be able to uncork a move soon.
I've looked at the position briefly just now, and I wonder what would happen if I played the following move:
Click Here To Show Diagram Code
[go]$$Wc
$$ . . . . . . . . . |
$$ . . . . . X X . . |
$$ . . . . . . O O . |
$$ . . . O . O . . . |
$$ . . . . . . X . . |
$$ . . . . . X . 1 . |
$$ . . . . . . . . . |
$$ . . . O . O X X . |
$$ . . . . . O O X . |
$$ . . . . . . . O X |
$$ . . . . . . . . . |
$$ ------------------[/go]

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 Post subject: Re: #205: The Intrepid vs. topazg: The Pistols
Post #140 Posted: Sat Mar 16, 2013 11:12 pm 
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Click Here To Show Diagram Code
[go]$$Wcm72 Prisoners: :w1: :b100:
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . X . . . . . . . . . . |
$$ | . . . . . X X . X O X O . . . O X . . |
$$ | . . . X . O X . O X X . . . O X X . . |
$$ | . . . X O . . . O . . . . O X X X . . |
$$ | . . . X . . . . . O . . . . O X . . . |
$$ | . . O . . O . . . . . . . . O O X . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . X X . . |
$$ | . . . . . . . . . . . . . . . . O O . |
$$ | . . . . . . O . . X . . . O . O . . . |
$$ | . . . . . . . . . . . . . . . . X . . |
$$ | . . . . . . . . . . . . . . . X . 1 . |
$$ | . O O O O . . . . . . . . . . . . . . |
$$ | O X X X O X . . . , . . . O . O X X . |
$$ | . O X O X . . . . . . . . . . O O X . |
$$ | . . X . X . . . . . . . . . . . . O X |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
All right, here we go! One of the two marked groups will die--and if neither of them do, I will get sufficient compensation elsewhere ... or so I think.
Click Here To Show Diagram Code
[go]$$Wc
$$ -------------------
$$ . . . . . . . . . |
$$ . . . . . . . . . |
$$ X O . . . O X . . |
$$ X . . . O X X . . |
$$ . . . O X X X . . |
$$ . . . . O X . . . |
$$ . . . . O O X . . |
$$ . . . . . . . . . |
$$ . . . . . . . . . |
$$ . . . . . # # . . |
$$ . . . . . . O O . |
$$ . . . O . O . . . |
$$ . . . . . . B . . |
$$ . . . . . B . 1 . |
$$ . . . . . . . . . |
$$ . . . O . O X X . |
$$ . . . . . O O X . |
$$ . . . . . . . O X |
$$ . . . . . . . . . |
$$ ------------------[/go]

Sample variations:
Click Here To Show Diagram Code
[go]$$Bc Black gets cut.
$$ . . . . . . . . . |
$$ . . . . . X X . . |
$$ . . . . . . O O . |
$$ . . . O . O . . . |
$$ . . . . . . X 6 . |
$$ . . . . . X . O . |
$$ . . . . . 5 4 . . |
$$ . . . O . O X X . |
$$ . . . . . O O X . |
$$ . . . . . 2 1 O X |
$$ . . . . . . . 3 . |
$$ ------------------[/go]

Click Here To Show Diagram Code
[go]$$Bc Black gets only one eye.
$$ . . . . . . . . . |
$$ . . . . . X X . . |
$$ . . . . . . O O . |
$$ . . . O . O . . . |
$$ . . . . . . X 1 . |
$$ . . . . . X . O . |
$$ . . . . . 2 3 . . |
$$ . . . O . O X X . |
$$ . . . . . O O X . |
$$ . . . . . . 4 O X |
$$ . . . . . . . . . |
$$ ------------------[/go]

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