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Offline perceval
 Post subject: 6k-4k with 2H
Post #1 Posted: Sat Oct 15, 2011 1:05 pm 
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Hello, slow activity on the analysis forum so i thought i'll contribue;
I lost this 2 stones handi game by 8.5 but i felt i could have done better.
questions are in the sgf but any comments will be as always appreciated
i was Black

:tmbup:

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Offline emeraldemon
 Post subject: Re: 6k-4k with 2H
Post #2 Posted: Sat Oct 15, 2011 2:22 pm 
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Just a few quick thoughts:

:b6: I like the pincer around C10, maybe just preference

:b12: I don't think it's meaningless; black group gains a base. Not sure if its best though

:b18: I like c8, staying aggressive

:b28: I think either is OK.

:b38: I do like the position for black b/c the white group on the right is weak. might consider K17 instead of S15.

:b50: maybe extend N11. If the white group on the right struggles, it would be worth sacrificing the two stones L17 & M17 (not that they are dead yet).

:b56: yeah, I think P14 is absolutely necessary.

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Offline Bill Spight
 Post subject: Re: 6k-4k with 2H
Post #3 Posted: Sat Oct 15, 2011 9:50 pm 
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Interesting game. :)

A few comments:


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Offline jts
 Post subject: Re: 6k-4k with 2H
Post #4 Posted: Sat Oct 15, 2011 10:47 pm 
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Bill, in the var. to 50 where you show a ko, can't 62 be at N19?
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Offline Bill Spight
 Post subject: Re: 6k-4k with 2H
Post #5 Posted: Sun Oct 16, 2011 12:52 am 
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jts wrote:
Bill, in the var. to 50 where you show a ko, can't 62 be at N19?


Well there are better tacticians than I around, but here are a couple of other kos in that variation.



Edit: BTW, when I saw :w49:, I said, wow, are you sure this guy is 4-kyu? :)

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Offline perceval
 Post subject: Re: 6k-4k with 2H
Post #6 Posted: Mon Oct 17, 2011 2:00 am 
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thanks for all the answers! i'll take my time to digest them :salute:

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Offline Joaz Banbeck
 Post subject: Re: 6k-4k with 2H
Post #7 Posted: Tue Oct 18, 2011 8:02 am 
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EmeraldDemon recomends K17 instead at move 38, and I agree. It is a much better move. I think that it may be worth considering why it is a better move.

With moves like C14, Q17, S15 and maybe F3, you appear to be treating the corner stones as territorial. But 4-4 stones are influence stones. Their direction is outward.
Move 8 is an archtypal example. You have two weak white groups nearby ( the one on the upper side has one eye but not yet two, and the one on the right which may not have any ) so you should be pushing out between them. K17 is theoretically good ( and I like it because it follows the proverb of 'lean on one target to build strength thereby preparing to attack the other' ) as is P12.
You could also simply conclude that your upper right group is strong enough, and follow the proverb of 'push him toward your strength' with P9.

That is the theory. As a practical matter, K17 prepares B E17, W E18, B F16 with the goal of center territory.

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